diff --git a/.idea/codeStyleSettings.xml b/.idea/codeStyleSettings.xml
index 29ab470c..7217c320 100644
--- a/.idea/codeStyleSettings.xml
+++ b/.idea/codeStyleSettings.xml
@@ -35,12 +35,31 @@
           <option name="USE_CUSTOM_SETTINGS" value="true" />
         </AndroidXmlCodeStyleSettings>
         <XML>
+          <option name="XML_KEEP_LINE_BREAKS" value="false" />
+          <option name="XML_ALIGN_ATTRIBUTES" value="false" />
+          <option name="XML_SPACE_INSIDE_EMPTY_TAG" value="true" />
           <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
         </XML>
+        <codeStyleSettings language="Groovy">
+          <indentOptions>
+            <option name="INDENT_SIZE" value="2" />
+            <option name="CONTINUATION_INDENT_SIZE" value="4" />
+            <option name="TAB_SIZE" value="2" />
+          </indentOptions>
+        </codeStyleSettings>
+        <codeStyleSettings language="JAVA">
+          <indentOptions>
+            <option name="INDENT_SIZE" value="2" />
+            <option name="CONTINUATION_INDENT_SIZE" value="4" />
+            <option name="TAB_SIZE" value="2" />
+          </indentOptions>
+        </codeStyleSettings>
         <codeStyleSettings language="XML">
           <option name="FORCE_REARRANGE_MODE" value="1" />
           <indentOptions>
-            <option name="CONTINUATION_INDENT_SIZE" value="4" />
+            <option name="INDENT_SIZE" value="2" />
+            <option name="CONTINUATION_INDENT_SIZE" value="2" />
+            <option name="TAB_SIZE" value="2" />
           </indentOptions>
           <arrangement>
             <rules>
@@ -168,7 +187,7 @@
         </codeStyleSettings>
       </value>
     </option>
-    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default (1)" />
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
   </component>
 </project>
 
diff --git a/build.gradle b/build.gradle
index c79ae903..eddbf9ff 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,25 +1,25 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    repositories {
-        jcenter()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:1.0.0'
-    }
+  repositories {
+    jcenter()
+  }
+  dependencies {
+    classpath 'com.android.tools.build:gradle:1.0.0'
+  }
 }
 
 def isReleaseBuild() {
-    return version.contains("SNAPSHOT") == false
+  return version.contains("SNAPSHOT") == false
 }
 
 allprojects {
-    version = VERSION_NAME
-    group = GROUP
+  version = VERSION_NAME
+  group = GROUP
 
-    repositories {
-        jcenter()
-        maven { url 'https://oss.sonatype.org/content/groups/public' }
-    }
+  repositories {
+    jcenter()
+    maven { url 'https://oss.sonatype.org/content/groups/public' }
+  }
 }
 
 apply plugin: 'android-reporting'
\ No newline at end of file
diff --git a/library/build.gradle b/library/build.gradle
index 37b646b5..92912e1a 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -1,25 +1,25 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
-    buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION
+  compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
+  buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION
 
-    defaultConfig {
-        minSdkVersion 7
-        targetSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
-    }
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-        }
+  defaultConfig {
+    minSdkVersion 7
+    targetSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
+  }
+  buildTypes {
+    release {
+      minifyEnabled false
+      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
     }
+  }
 }
 
 dependencies {
-    compile 'com.android.support:support-annotations:21.0.3'
-    compile 'com.nineoldandroids:library:2.4.0'
-    compile 'com.android.support:appcompat-v7:21.0.3'
+  compile 'com.android.support:support-annotations:21.0.3'
+  compile 'com.nineoldandroids:library:2.4.0'
+  compile 'com.android.support:appcompat-v7:21.0.3'
 }
 
 // Used to push in maven
diff --git a/library/src/androidTest/java/com/rengwuxian/materialedittext/ApplicationTest.java b/library/src/androidTest/java/com/rengwuxian/materialedittext/ApplicationTest.java
index e09a1270..375ff272 100644
--- a/library/src/androidTest/java/com/rengwuxian/materialedittext/ApplicationTest.java
+++ b/library/src/androidTest/java/com/rengwuxian/materialedittext/ApplicationTest.java
@@ -7,7 +7,7 @@
  * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
  */
 public class ApplicationTest extends ApplicationTestCase<Application> {
-	public ApplicationTest() {
-		super(Application.class);
-	}
+  public ApplicationTest() {
+    super(Application.class);
+  }
 }
\ No newline at end of file
diff --git a/library/src/androidTest/java/com/rengwuxian/materialedittext/MaterialEditTextSetErrorTest.java b/library/src/androidTest/java/com/rengwuxian/materialedittext/MaterialEditTextSetErrorTest.java
index b2def487..788d4907 100644
--- a/library/src/androidTest/java/com/rengwuxian/materialedittext/MaterialEditTextSetErrorTest.java
+++ b/library/src/androidTest/java/com/rengwuxian/materialedittext/MaterialEditTextSetErrorTest.java
@@ -9,20 +9,20 @@
  */
 public class MaterialEditTextSetErrorTest extends AndroidTestCase {
 
-    private MaterialEditText editTextUnderTest;
+  private MaterialEditText editTextUnderTest;
 
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-        editTextUnderTest = new MaterialEditText(getContext());
-    }
+  @Override
+  protected void setUp() throws Exception {
+    super.setUp();
+    editTextUnderTest = new MaterialEditText(getContext());
+  }
 
-    public void testGetErrorReturnsNullIfNoErrorMessageWasSet() {
-        assertNull(editTextUnderTest.getError());
-    }
+  public void testGetErrorReturnsNullIfNoErrorMessageWasSet() {
+    assertNull(editTextUnderTest.getError());
+  }
 
-    public void testGetErrorReturnsMessageSetEarlierViaSetError() {
-        editTextUnderTest.setError("Error!");
-        assertEquals("Error!", editTextUnderTest.getError().toString());
-    }
+  public void testGetErrorReturnsMessageSetEarlierViaSetError() {
+    editTextUnderTest.setError("Error!");
+    assertEquals("Error!", editTextUnderTest.getError().toString());
+  }
 }
diff --git a/library/src/main/AndroidManifest.xml b/library/src/main/AndroidManifest.xml
index 638cded6..96399115 100644
--- a/library/src/main/AndroidManifest.xml
+++ b/library/src/main/AndroidManifest.xml
@@ -1,3 +1 @@
-<manifest
-  package="com.rengwuxian.materialedittext">
-</manifest>
+<manifest package="com.rengwuxian.materialedittext"/>
diff --git a/library/src/main/java/com/rengwuxian/materialedittext/Density.java b/library/src/main/java/com/rengwuxian/materialedittext/Density.java
index 9a1f6d39..b5247c33 100644
--- a/library/src/main/java/com/rengwuxian/materialedittext/Density.java
+++ b/library/src/main/java/com/rengwuxian/materialedittext/Density.java
@@ -8,9 +8,9 @@
  * Created by Zhukai on 2014/5/29 0029.
  */
 class Density {
-	public static int dp2px(Context context, float dp) {
-		Resources r = context.getResources();
-		float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, r.getDisplayMetrics());
-		return (int) px;
-	}
+  public static int dp2px(Context context, float dp) {
+    Resources r = context.getResources();
+    float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, r.getDisplayMetrics());
+    return (int) px;
+  }
 }
diff --git a/library/src/main/java/com/rengwuxian/materialedittext/validation/METValidator.java b/library/src/main/java/com/rengwuxian/materialedittext/validation/METValidator.java
index 20581029..ffaee762 100644
--- a/library/src/main/java/com/rengwuxian/materialedittext/validation/METValidator.java
+++ b/library/src/main/java/com/rengwuxian/materialedittext/validation/METValidator.java
@@ -9,14 +9,14 @@ public abstract class METValidator {
 
   /**
    * Error message that the view will display if validation fails.
-   *
+   * <p/>
    * This is protected, so you can change this dynamically in your {@link #isValid(CharSequence, boolean)}
    * implementation. If necessary, you can also interact with this via its getter and setter.
    */
   protected String errorMessage;
 
   public METValidator(@NonNull String errorMessage) {
-      this.errorMessage = errorMessage;
+    this.errorMessage = errorMessage;
   }
 
   public void setErrorMessage(@NonNull String errorMessage) {
@@ -31,7 +31,7 @@ public String getErrorMessage() {
   /**
    * Abstract method to implement your own validation checking.
    *
-   * @param text The CharSequence representation of the text in the EditText field. Cannot be null, but may be empty.
+   * @param text    The CharSequence representation of the text in the EditText field. Cannot be null, but may be empty.
    * @param isEmpty Boolean indicating whether or not the text param is empty
    * @return True if valid, false if not
    */
diff --git a/library/src/main/res/values/attrs.xml b/library/src/main/res/values/attrs.xml
index 9ae17f4f..26886ba1 100644
--- a/library/src/main/res/values/attrs.xml
+++ b/library/src/main/res/values/attrs.xml
@@ -2,48 +2,48 @@
 <resources>
   <declare-styleable name="MaterialEditText">
     <!-- The base color of the line and the texts. Default is black. -->
-    <attr name="baseColor" format="color"/>
+    <attr name="baseColor" format="color" />
     <!-- The highlight color of the line, and the floating label if the highlightFloatingLabel is true. -->
-    <attr name="primaryColor" format="color"/>
+    <attr name="primaryColor" format="color" />
     <!-- How the floating label should be shown. Default is none -->
     <attr name="floatingLabel">
-      <enum name="none" value="0"/>
-      <enum name="normal" value="1"/>
-      <enum name="highlight" value="2"/>
+      <enum name="none" value="0" />
+      <enum name="normal" value="1" />
+      <enum name="highlight" value="2" />
     </attr>
     <!-- The color for when something is wrong.(e.g. exceeding max characters) -->
-    <attr name="errorColor" format="color"/>
+    <attr name="errorColor" format="color" />
     <!-- Min characters count limit. 0 means no limit. -->
-    <attr name="minCharacters" format="integer"/>
+    <attr name="minCharacters" format="integer" />
     <!-- max Characters count limit. 0 means no limit. -->
-    <attr name="maxCharacters" format="integer"/>
+    <attr name="maxCharacters" format="integer" />
     <!-- Whether to show the bottom ellipsis in singleLine mode -->
-    <attr name="singleLineEllipsis" format="boolean"/>
+    <attr name="singleLineEllipsis" format="boolean" />
     <!-- Reserved bottom text lines count, no matter if there is some helper/error text. -->
-    <attr name="minBottomTextLines" format="integer"/>
+    <attr name="minBottomTextLines" format="integer" />
     <!-- Helper text at the bottom -->
-    <attr name="helperText" format="string"/>
+    <attr name="helperText" format="string" />
     <!-- Helper text color -->
-    <attr name="helperTextColor" format="color"/>
+    <attr name="helperTextColor" format="color" />
     <!-- Font of the paint used to draw accent texts -->
-    <attr name="accentTypeface" format="string"/>
+    <attr name="accentTypeface" format="string" />
     <!-- Custom float label text -->
-    <attr name="floatingLabelText" format="string"/>
+    <attr name="floatingLabelText" format="string" />
     <!-- spacing between the main text and the floating label -->
-    <attr name="floatingLabelSpacing" format="dimension"/>
+    <attr name="floatingLabelSpacing" format="dimension" />
     <!-- Hide underline -->
-    <attr name="hideUnderline" format="boolean"/>
+    <attr name="hideUnderline" format="boolean" />
     <!-- Auto validate -->
-    <attr name="autoValidate" format="boolean"/>
-	  <!-- Left icon -->
-	  <attr name="iconLeft" format="reference"/>
-	  <!-- Right icon -->
-	  <attr name="iconRight" format="reference"/>
-	  <!-- Padding between icon(s) and the main area. 8dp by default. -->
-	  <attr name="iconPadding" format="dimension"/>
-	  <!-- The floating label's text size. 12sp by default. -->
-	  <attr name="floatingLabelTextSize" format="dimension"/>
-	  <!-- The bottom texts' size. 12sp by default. -->
-	  <attr name="bottomTextSize" format="dimension"/>
+    <attr name="autoValidate" format="boolean" />
+    <!-- Left icon -->
+    <attr name="iconLeft" format="reference" />
+    <!-- Right icon -->
+    <attr name="iconRight" format="reference" />
+    <!-- Padding between icon(s) and the main area. 8dp by default. -->
+    <attr name="iconPadding" format="dimension" />
+    <!-- The floating label's text size. 12sp by default. -->
+    <attr name="floatingLabelTextSize" format="dimension" />
+    <!-- The bottom texts' size. 12sp by default. -->
+    <attr name="bottomTextSize" format="dimension" />
   </declare-styleable>
 </resources>
\ No newline at end of file
diff --git a/maven_push.gradle b/maven_push.gradle
index b741e61b..5b9379c0 100644
--- a/maven_push.gradle
+++ b/maven_push.gradle
@@ -3,90 +3,90 @@ apply plugin: 'signing'
 
 def sonatypeRepositoryUrl
 if (isReleaseBuild()) {
-    println 'RELEASE BUILD'
-    sonatypeRepositoryUrl = hasProperty('RELEASE_REPOSITORY_URL') ? RELEASE_REPOSITORY_URL
-            : "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
+  println 'RELEASE BUILD'
+  sonatypeRepositoryUrl = hasProperty('RELEASE_REPOSITORY_URL') ? RELEASE_REPOSITORY_URL
+      : "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
 } else {
-    println 'DEBUG BUILD'
-    sonatypeRepositoryUrl = hasProperty('SNAPSHOT_REPOSITORY_URL') ? SNAPSHOT_REPOSITORY_URL
-            : "https://oss.sonatype.org/content/repositories/snapshots/"
+  println 'DEBUG BUILD'
+  sonatypeRepositoryUrl = hasProperty('SNAPSHOT_REPOSITORY_URL') ? SNAPSHOT_REPOSITORY_URL
+      : "https://oss.sonatype.org/content/repositories/snapshots/"
 }
 
 def getRepositoryUsername() {
-    return hasProperty('nexusUsername') ? nexusUsername : ""
+  return hasProperty('nexusUsername') ? nexusUsername : ""
 }
 
 def getRepositoryPassword() {
-    return hasProperty('nexusPassword') ? nexusPassword : ""
+  return hasProperty('nexusPassword') ? nexusPassword : ""
 }
 
 afterEvaluate { project ->
-    uploadArchives {
-        repositories {
-            mavenDeployer {
-                beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
+  uploadArchives {
+    repositories {
+      mavenDeployer {
+        beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
 
-                pom.artifactId = POM_ARTIFACT_ID
+        pom.artifactId = POM_ARTIFACT_ID
 
-                repository(url: sonatypeRepositoryUrl) {
-                    authentication(userName: getRepositoryUsername(), password: getRepositoryPassword())
-                }
+        repository(url: sonatypeRepositoryUrl) {
+          authentication(userName: getRepositoryUsername(), password: getRepositoryPassword())
+        }
 
-                pom.project {
-                    name POM_NAME
-                    packaging POM_PACKAGING
-                    description POM_DESCRIPTION
-                    url POM_URL
+        pom.project {
+          name POM_NAME
+          packaging POM_PACKAGING
+          description POM_DESCRIPTION
+          url POM_URL
 
-                    scm {
-                        url POM_SCM_URL
-                        connection POM_SCM_CONNECTION
-                        developerConnection POM_SCM_DEV_CONNECTION
-                    }
+          scm {
+            url POM_SCM_URL
+            connection POM_SCM_CONNECTION
+            developerConnection POM_SCM_DEV_CONNECTION
+          }
 
-                    licenses {
-                        license {
-                            name POM_LICENCE_NAME
-                            url POM_LICENCE_URL
-                            distribution POM_LICENCE_DIST
-                        }
-                    }
+          licenses {
+            license {
+              name POM_LICENCE_NAME
+              url POM_LICENCE_URL
+              distribution POM_LICENCE_DIST
+            }
+          }
 
-                    developers {
-                        developer {
-                            id POM_DEVELOPER_ID
-                            name POM_DEVELOPER_NAME
-                        }
-                    }
-                }
+          developers {
+            developer {
+              id POM_DEVELOPER_ID
+              name POM_DEVELOPER_NAME
             }
+          }
         }
+      }
     }
+  }
 
-    signing {
-        required { isReleaseBuild() && gradle.taskGraph.hasTask("uploadArchives") }
-        sign configurations.archives
-    }
+  signing {
+    required { isReleaseBuild() && gradle.taskGraph.hasTask("uploadArchives") }
+    sign configurations.archives
+  }
 
-    task androidJavadocs(type: Javadoc) {
-        source = android.sourceSets.main.java.sourceFiles
-    }
+  task androidJavadocs(type: Javadoc) {
+    source = android.sourceSets.main.java.sourceFiles
+  }
 
-    task androidJavadocsJar(type: Jar) {
-        classifier = 'javadoc'
-        //basename = artifact_id
-        from androidJavadocs.destinationDir
-    }
+  task androidJavadocsJar(type: Jar) {
+    classifier = 'javadoc'
+    //basename = artifact_id
+    from androidJavadocs.destinationDir
+  }
 
-    task androidSourcesJar(type: Jar) {
-        classifier = 'sources'
-        //basename = artifact_id
-        from android.sourceSets.main.java.sourceFiles
-    }
+  task androidSourcesJar(type: Jar) {
+    classifier = 'sources'
+    //basename = artifact_id
+    from android.sourceSets.main.java.sourceFiles
+  }
 
-    artifacts {
-        //archives packageReleaseJar
-        archives androidSourcesJar
-        archives androidJavadocsJar
-    }
+  artifacts {
+    //archives packageReleaseJar
+    archives androidSourcesJar
+    archives androidJavadocsJar
+  }
 }
\ No newline at end of file
diff --git a/sample/build.gradle b/sample/build.gradle
index d2ebba82..674c9f74 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -1,25 +1,25 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
-    buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION
+  compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
+  buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION
 
-    defaultConfig {
-        applicationId "com.rengwuxian.materialedittext.sample"
-        minSdkVersion 12
-        targetSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
-    }
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-        }
+  defaultConfig {
+    applicationId "com.rengwuxian.materialedittext.sample"
+    minSdkVersion 12
+    targetSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
+  }
+  buildTypes {
+    release {
+      minifyEnabled false
+      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
     }
+  }
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:21.0.3'
-    compile 'com.rengwuxian.materialedittext:library:1.8.1'
+  compile fileTree(dir: 'libs', include: ['*.jar'])
+  compile 'com.android.support:appcompat-v7:21.0.3'
+  compile 'com.rengwuxian.materialedittext:library:1.8.1'
 //    compile project(':library')
 }
diff --git a/sample/sample.iml b/sample/sample.iml
index 0c6902c5..26fd4c57 100644
--- a/sample/sample.iml
+++ b/sample/sample.iml
@@ -84,10 +84,10 @@
     <orderEntry type="jdk" jdkName="Android API 21 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" exported="" name="appcompat-v7-21.0.3" level="project" />
+    <orderEntry type="library" exported="" name="library-1.8.1" level="project" />
     <orderEntry type="library" exported="" name="library-2.4.0" level="project" />
     <orderEntry type="library" exported="" name="support-v4-21.0.3" level="project" />
     <orderEntry type="library" exported="" name="support-annotations-21.0.3" level="project" />
-    <orderEntry type="module" module-name="library" exported="" />
   </component>
 </module>
 
diff --git a/sample/src/androidTest/java/com/rengwuxian/materialedittext/sample/ApplicationTest.java b/sample/src/androidTest/java/com/rengwuxian/materialedittext/sample/ApplicationTest.java
index fce18681..28ff36b9 100644
--- a/sample/src/androidTest/java/com/rengwuxian/materialedittext/sample/ApplicationTest.java
+++ b/sample/src/androidTest/java/com/rengwuxian/materialedittext/sample/ApplicationTest.java
@@ -7,7 +7,7 @@
  * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
  */
 public class ApplicationTest extends ApplicationTestCase<Application> {
-	public ApplicationTest() {
-		super(Application.class);
-	}
+  public ApplicationTest() {
+    super(Application.class);
+  }
 }
\ No newline at end of file
diff --git a/sample/src/main/AndroidManifest.xml b/sample/src/main/AndroidManifest.xml
index 04da3074..844bc393 100644
--- a/sample/src/main/AndroidManifest.xml
+++ b/sample/src/main/AndroidManifest.xml
@@ -12,9 +12,9 @@
       android:name=".MainActivity"
       android:windowSoftInputMode="stateUnchanged">
       <intent-filter>
-        <action android:name="android.intent.action.MAIN"/>
+        <action android:name="android.intent.action.MAIN" />
 
-        <category android:name="android.intent.category.LAUNCHER"/>
+        <category android:name="android.intent.category.LAUNCHER" />
       </intent-filter>
     </activity>
   </application>
diff --git a/sample/src/main/java/com/rengwuxian/materialedittext/sample/MainActivity.java b/sample/src/main/java/com/rengwuxian/materialedittext/sample/MainActivity.java
index 0e4820d2..914bef92 100644
--- a/sample/src/main/java/com/rengwuxian/materialedittext/sample/MainActivity.java
+++ b/sample/src/main/java/com/rengwuxian/materialedittext/sample/MainActivity.java
@@ -14,58 +14,58 @@
 
 public class MainActivity extends ActionBarActivity {
 
-	@Override
-	protected void onCreate(Bundle savedInstanceState) {
-		super.onCreate(savedInstanceState);
-		setContentView(R.layout.activity_main);
-		getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-		getSupportActionBar().setDisplayShowTitleEnabled(false);
-		initEnableBt();
-		initSingleLineEllipsisEt();
-		initSetErrorEt();
-		initValidationEt();
-	}
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_main);
+    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    getSupportActionBar().setDisplayShowTitleEnabled(false);
+    initEnableBt();
+    initSingleLineEllipsisEt();
+    initSetErrorEt();
+    initValidationEt();
+  }
 
-	private void initEnableBt() {
-		final EditText basicEt = (EditText) findViewById(R.id.basicEt);
-		final Button enableBt = (Button) findViewById(R.id.enableBt);
-		enableBt.setOnClickListener(new View.OnClickListener() {
-			@Override
-			public void onClick(View v) {
-				basicEt.setEnabled(!basicEt.isEnabled());
-				enableBt.setText(basicEt.isEnabled() ? "DISABLE" : "ENABLE");
-			}
-		});
-	}
+  private void initEnableBt() {
+    final EditText basicEt = (EditText) findViewById(R.id.basicEt);
+    final Button enableBt = (Button) findViewById(R.id.enableBt);
+    enableBt.setOnClickListener(new View.OnClickListener() {
+      @Override
+      public void onClick(View v) {
+        basicEt.setEnabled(!basicEt.isEnabled());
+        enableBt.setText(basicEt.isEnabled() ? "DISABLE" : "ENABLE");
+      }
+    });
+  }
 
-	private void initSingleLineEllipsisEt() {
-		EditText singleLineEllipsisEt = (EditText) findViewById(R.id.singleLineEllipsisEt);
-		singleLineEllipsisEt.setSelection(singleLineEllipsisEt.getText().length());
-	}
+  private void initSingleLineEllipsisEt() {
+    EditText singleLineEllipsisEt = (EditText) findViewById(R.id.singleLineEllipsisEt);
+    singleLineEllipsisEt.setSelection(singleLineEllipsisEt.getText().length());
+  }
 
-	private void initSetErrorEt() {
-		final EditText bottomTextEt = (EditText) findViewById(R.id.bottomTextEt);
-		final Button setErrorBt = (Button) findViewById(R.id.setErrorBt);
-		setErrorBt.setOnClickListener(new View.OnClickListener() {
-			@Override
-			public void onClick(View v) {
-				bottomTextEt.setError("1-Line Error!");
-			}
-		});
-		final Button setError2Bt = (Button) findViewById(R.id.setError2Bt);
+  private void initSetErrorEt() {
+    final EditText bottomTextEt = (EditText) findViewById(R.id.bottomTextEt);
+    final Button setErrorBt = (Button) findViewById(R.id.setErrorBt);
+    setErrorBt.setOnClickListener(new View.OnClickListener() {
+      @Override
+      public void onClick(View v) {
+        bottomTextEt.setError("1-Line Error!");
+      }
+    });
+    final Button setError2Bt = (Button) findViewById(R.id.setError2Bt);
     setError2Bt.setOnClickListener(new View.OnClickListener() {
-			@Override
-			public void onClick(View v) {
-				bottomTextEt.setError("2-Line\nError!");
-			}
-		});
-		final Button setError3Bt = (Button) findViewById(R.id.setError3Bt);
+      @Override
+      public void onClick(View v) {
+        bottomTextEt.setError("2-Line\nError!");
+      }
+    });
+    final Button setError3Bt = (Button) findViewById(R.id.setError3Bt);
     setError3Bt.setOnClickListener(new View.OnClickListener() {
-			@Override
-			public void onClick(View v) {
-				bottomTextEt.setError("So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors!");
-			}
-		});
+      @Override
+      public void onClick(View v) {
+        bottomTextEt.setError("So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors!");
+      }
+    });
     final EditText bottomTextWithMinLinesEt = (EditText) findViewById(R.id.bottomTextWithMinLinesEt);
     final Button setErrorWithMinLinesBt = (Button) findViewById(R.id.setErrorWithMinLinesBt);
     setErrorWithMinLinesBt.setOnClickListener(new View.OnClickListener() {
@@ -88,40 +88,40 @@ public void onClick(View v) {
         bottomTextWithMinLinesEt.setError("So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors! So Many Errors!");
       }
     });
-	}
+  }
 
-	private void initValidationEt() {
-		final MaterialEditText validationEt = (MaterialEditText) findViewById(R.id.validationEt);
+  private void initValidationEt() {
+    final MaterialEditText validationEt = (MaterialEditText) findViewById(R.id.validationEt);
     validationEt.addValidator(new RegexpValidator("Only Integer Valid!", "\\d+"));
-		final Button validateBt = (Button) findViewById(R.id.validateBt);
-		validateBt.setOnClickListener(new View.OnClickListener() {
+    final Button validateBt = (Button) findViewById(R.id.validateBt);
+    validateBt.setOnClickListener(new View.OnClickListener() {
       @Override
       public void onClick(View v) {
         // validate
         validationEt.validate();
       }
     });
-	}
+  }
 
-	@Override
-	public boolean onCreateOptionsMenu(Menu menu) {
-		// Inflate the menu; this adds items to the action bar if it is present.
-		getMenuInflater().inflate(R.menu.menu_main, menu);
-		return true;
-	}
+  @Override
+  public boolean onCreateOptionsMenu(Menu menu) {
+    // Inflate the menu; this adds items to the action bar if it is present.
+    getMenuInflater().inflate(R.menu.menu_main, menu);
+    return true;
+  }
 
-	@Override
-	public boolean onOptionsItemSelected(MenuItem item) {
-		// Handle action bar item clicks here. The action bar will
-		// automatically handle clicks on the Home/Up button, so long
-		// as you specify a parent activity in AndroidManifest.xml.
-		int id = item.getItemId();
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    // Handle action bar item clicks here. The action bar will
+    // automatically handle clicks on the Home/Up button, so long
+    // as you specify a parent activity in AndroidManifest.xml.
+    int id = item.getItemId();
 
-		//noinspection SimplifiableIfStatement
-		if (id == R.id.action_settings) {
-			return true;
-		}
+    //noinspection SimplifiableIfStatement
+    if (id == R.id.action_settings) {
+      return true;
+    }
 
-		return super.onOptionsItemSelected(item);
-	}
+    return super.onOptionsItemSelected(item);
+  }
 }
diff --git a/sample/src/main/res/drawable/text_cursor_cyan.xml b/sample/src/main/res/drawable/text_cursor_cyan.xml
index 89cce415..a7531fb4 100644
--- a/sample/src/main/res/drawable/text_cursor_cyan.xml
+++ b/sample/src/main/res/drawable/text_cursor_cyan.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android">
-  <solid android:color="@color/cyan_500"/>
-  <size android:width="0.5dp"/>
+  <solid android:color="@color/cyan_500" />
+  <size android:width="0.5dp" />
 </shape>
\ No newline at end of file
diff --git a/sample/src/main/res/layout/activity_main.xml b/sample/src/main/res/layout/activity_main.xml
index 901b1f89..c89ebb05 100644
--- a/sample/src/main/res/layout/activity_main.xml
+++ b/sample/src/main/res/layout/activity_main.xml
@@ -1,459 +1,459 @@
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-            xmlns:app="http://schemas.android.com/apk/res-auto"
-            xmlns:tools="http://schemas.android.com/tools"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:scrollbarStyle="outsideOverlay"
-            tools:context=".MainActivity">
-
-	<LinearLayout
-		android:layout_width="match_parent"
-		android:layout_height="wrap_content"
-		android:orientation="vertical">
-
-		<LinearLayout
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content"
-			android:background="?colorPrimary"
-			android:orientation="vertical"
-			android:paddingBottom="16dp"
-			android:paddingLeft="72dp"
-			android:paddingRight="16dp"
-			android:paddingTop="16dp">
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Library Name"
-				android:text="MaterialEditText"
-				android:textCursorDrawable="@drawable/text_cursor_cyan"
-				android:textSize="34sp"
-				app:baseColor="@android:color/white"
-				app:floatingLabel="highlight"
-				app:maxCharacters="20"
-				app:primaryColor="?colorAccent"
-				app:singleLineEllipsis="true"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Description"
-				android:text="EditText in Material Design"
-				android:textCursorDrawable="@drawable/text_cursor_cyan"
-				app:baseColor="@android:color/white"
-				app:floatingLabel="highlight"
-				app:maxCharacters="20"
-				app:primaryColor="?colorAccent"/>
-
-		</LinearLayout>
-
-		<LinearLayout
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content"
-			android:orientation="vertical"
-			android:paddingBottom="@dimen/activity_vertical_margin"
-			android:paddingLeft="@dimen/activity_horizontal_margin"
-			android:paddingRight="@dimen/activity_horizontal_margin"
-			android:paddingTop="@dimen/activity_vertical_margin">
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="Basic:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<LinearLayout
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:gravity="center_vertical">
-
-				<com.rengwuxian.materialedittext.MaterialEditText
-					android:id="@+id/basicEt"
-					android:layout_width="0dp"
-					android:layout_height="wrap_content"
-					android:layout_weight="1"
-					android:hint="Basic"/>
-
-				<Button
-					android:id="@+id/enableBt"
-					android:layout_width="100dp"
-					android:layout_height="wrap_content"
-					android:layout_marginLeft="8dp"
-					android:text="DISABLE"/>
-
-			</LinearLayout>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Floating Label:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:floatingLabel=&quot;normal&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Floating Label"
-				app:floatingLabel="normal"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Highlight Floating Label:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:floatingLabel=&quot;highlight&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Highlight Floating Label"
-				app:floatingLabel="highlight"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Custom Floating Label Text:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:floatingLabel=&quot;normal&quot;\napp:floatingLabelText=&quot;Label&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Custom Floating Label Text"
-				app:floatingLabel="normal"
-				app:floatingLabelText="Label"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Single Line Ellipsis:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:singleLineEllipsis=&quot;true&quot;\n#singLineEllipsis will force android:singleLine to true#"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:id="@+id/singleLineEllipsisEt"
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Single Line Ellipsis"
-				android:text="Touch The Ellipsis And See What Happens. Touch The Ellipsis And See What Happens."
-				app:singleLineEllipsis="true"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Max/Min Characters:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:maxCharacters=&quot;5&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Max Characters"
-				app:maxCharacters="5"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:minCharacters=&quot;3&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Min Characters"
-				app:minCharacters="3"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:minCharacters=&quot;3&quot;\napp:maxCharacters=&quot;5&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Min and Max"
-				app:minCharacters="3"
-				app:maxCharacters="5"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Helper/Error Text:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:helperText=&quot;helper is here&quot; (in xml)\nsetError(&quot;Error!&quot;) (in java)"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<LinearLayout
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:gravity="center_vertical">
-
-				<com.rengwuxian.materialedittext.MaterialEditText
-					android:id="@+id/bottomTextEt"
-					android:layout_width="0dp"
-					android:layout_height="wrap_content"
-					android:layout_weight="1"
-					android:hint="Helper/Error Text"
-					app:helperText="helper is here"/>
-
-				<Button
-					android:id="@+id/setErrorBt"
-					android:layout_width="48dp"
-					android:layout_height="wrap_content"
-					android:layout_marginLeft="8dp"
-					android:text="1"/>
-
-				<Button
-					android:id="@+id/setError2Bt"
-					android:layout_width="48dp"
-					android:layout_height="wrap_content"
-					android:layout_marginLeft="8dp"
-					android:text="2"/>
-
-				<Button
-					android:id="@+id/setError3Bt"
-					android:layout_width="48dp"
-					android:layout_height="wrap_content"
-					android:layout_marginLeft="8dp"
-					android:text="3"/>
-
-			</LinearLayout>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Helper/Error Text with Min Lines Count:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:helperText=&quot;helper is here&quot;\napp:minBottomTextLines=&quot;2&quot; (in xml)\nsetError(&quot;Error!&quot;) (in java)"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<LinearLayout
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:gravity="center_vertical">
-
-				<com.rengwuxian.materialedittext.MaterialEditText
-					android:id="@+id/bottomTextWithMinLinesEt"
-					android:layout_width="0dp"
-					android:layout_height="wrap_content"
-					android:layout_weight="1"
-					android:hint="Helper/Error Text"
-					app:helperText="helper is here"
-					app:minBottomTextLines="2"/>
-
-				<Button
-					android:id="@+id/setErrorWithMinLinesBt"
-					android:layout_width="48dp"
-					android:layout_height="wrap_content"
-					android:layout_marginLeft="8dp"
-					android:text="1"/>
-
-				<Button
-					android:id="@+id/setErrorWithMinLines2Bt"
-					android:layout_width="48dp"
-					android:layout_height="wrap_content"
-					android:layout_marginLeft="8dp"
-					android:text="2"/>
-
-				<Button
-					android:id="@+id/setErrorWithMinLines3Bt"
-					android:layout_width="48dp"
-					android:layout_height="wrap_content"
-					android:layout_marginLeft="8dp"
-					android:text="3"/>
-
-			</LinearLayout>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Custom Base/Primary/Error/HelperText Color:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:baseColor=&quot;#009688&quot;\napp:primaryColor=&quot;#2196F3&quot;\napp:errorColor=&quot;#ddaa00&quot;\napp:helperTextColor=&quot;#795548&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Custom Colors"
-				app:floatingLabel="highlight"
-				app:helperText="Helper Text"
-				app:maxCharacters="5"
-				app:baseColor="#009688"
-				app:primaryColor="#2196F3"
-				app:errorColor="#ddaa00"
-				app:helperTextColor="#795548"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Custom Accent Typeface:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:floatingLabel=&quot;normal&quot;\napp:helperText=&quot;Helper Text&quot;\napp:maxCharacters=&quot;5&quot;\napp:accentTypeface=&quot;fonts/Roboto-LightItalic.ttf&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Custom Accent Typeface"
-				app:accentTypeface="fonts/Roboto-LightItalic.ttf"
-				app:floatingLabel="normal"
-				app:helperText="Helper Text"
-				app:maxCharacters="5"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Hide underline"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:hideUnderline=&quot;true&quot;"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Hidden underline"
-				app:hideUnderline="true"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Material Design Icon"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:iconLeft=&quot;@drawable/ic_phone&quot;\napp:iconPadding=&quot;0dp&quot; (Note: 8dp by default, not 0)"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<com.rengwuxian.materialedittext.MaterialEditText
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:hint="Material Design Icon"
-				app:iconLeft="@drawable/ic_phone"
-				app:iconPadding="0dp"
-				app:maxCharacters="5"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:layout_marginTop="16dp"
-				android:text="Validation:"
-				android:textColor="#333333"
-				android:textSize="14sp"/>
-
-			<TextView
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:text="app:helperText=&quot;Integer&quot; (in xml)\naddValidator(new RegexValidator(&quot;Only Integer Valid!&quot;, &quot;\\\\d+&quot;)); (in java)"
-				android:textColor="#888888"
-				android:textSize="14sp"/>
-
-			<LinearLayout
-				android:layout_width="match_parent"
-				android:layout_height="wrap_content"
-				android:gravity="center_vertical">
-
-				<com.rengwuxian.materialedittext.MaterialEditText
-					android:id="@+id/validationEt"
-					android:layout_width="0dp"
-					android:layout_height="wrap_content"
-					android:layout_weight="1"
-					android:hint="Validation"
-					app:helperText="Integer"/>
-
-				<Button
-					android:id="@+id/validateBt"
-					android:layout_width="100dp"
-					android:layout_height="wrap_content"
-					android:layout_marginLeft="8dp"
-					android:text="VALIDATE"/>
-
-			</LinearLayout>
-
-		</LinearLayout>
-	</LinearLayout>
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent"
+  android:scrollbarStyle="outsideOverlay"
+  tools:context=".MainActivity">
+
+  <LinearLayout
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <LinearLayout
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:background="?colorPrimary"
+      android:orientation="vertical"
+      android:paddingBottom="16dp"
+      android:paddingLeft="72dp"
+      android:paddingRight="16dp"
+      android:paddingTop="16dp">
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Library Name"
+        android:text="MaterialEditText"
+        android:textCursorDrawable="@drawable/text_cursor_cyan"
+        android:textSize="34sp"
+        app:baseColor="@android:color/white"
+        app:floatingLabel="highlight"
+        app:maxCharacters="20"
+        app:primaryColor="?colorAccent"
+        app:singleLineEllipsis="true" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Description"
+        android:text="EditText in Material Design"
+        android:textCursorDrawable="@drawable/text_cursor_cyan"
+        app:baseColor="@android:color/white"
+        app:floatingLabel="highlight"
+        app:maxCharacters="20"
+        app:primaryColor="?colorAccent" />
+
+    </LinearLayout>
+
+    <LinearLayout
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:orientation="vertical"
+      android:paddingBottom="@dimen/activity_vertical_margin"
+      android:paddingLeft="@dimen/activity_horizontal_margin"
+      android:paddingRight="@dimen/activity_horizontal_margin"
+      android:paddingTop="@dimen/activity_vertical_margin">
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Basic:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center_vertical">
+
+        <com.rengwuxian.materialedittext.MaterialEditText
+          android:id="@+id/basicEt"
+          android:layout_width="0dp"
+          android:layout_height="wrap_content"
+          android:layout_weight="1"
+          android:hint="Basic" />
+
+        <Button
+          android:id="@+id/enableBt"
+          android:layout_width="100dp"
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="8dp"
+          android:text="DISABLE" />
+
+      </LinearLayout>
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Floating Label:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:floatingLabel=&quot;normal&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Floating Label"
+        app:floatingLabel="normal" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Highlight Floating Label:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:floatingLabel=&quot;highlight&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Highlight Floating Label"
+        app:floatingLabel="highlight" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Custom Floating Label Text:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:floatingLabel=&quot;normal&quot;\napp:floatingLabelText=&quot;Label&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Custom Floating Label Text"
+        app:floatingLabel="normal"
+        app:floatingLabelText="Label" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Single Line Ellipsis:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:singleLineEllipsis=&quot;true&quot;\n#singLineEllipsis will force android:singleLine to true#"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:id="@+id/singleLineEllipsisEt"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Single Line Ellipsis"
+        android:text="Touch The Ellipsis And See What Happens. Touch The Ellipsis And See What Happens."
+        app:singleLineEllipsis="true" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Max/Min Characters:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:maxCharacters=&quot;5&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Max Characters"
+        app:maxCharacters="5" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:minCharacters=&quot;3&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Min Characters"
+        app:minCharacters="3" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:minCharacters=&quot;3&quot;\napp:maxCharacters=&quot;5&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Min and Max"
+        app:maxCharacters="5"
+        app:minCharacters="3" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Helper/Error Text:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:helperText=&quot;helper is here&quot; (in xml)\nsetError(&quot;Error!&quot;) (in java)"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center_vertical">
+
+        <com.rengwuxian.materialedittext.MaterialEditText
+          android:id="@+id/bottomTextEt"
+          android:layout_width="0dp"
+          android:layout_height="wrap_content"
+          android:layout_weight="1"
+          android:hint="Helper/Error Text"
+          app:helperText="helper is here" />
+
+        <Button
+          android:id="@+id/setErrorBt"
+          android:layout_width="48dp"
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="8dp"
+          android:text="1" />
+
+        <Button
+          android:id="@+id/setError2Bt"
+          android:layout_width="48dp"
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="8dp"
+          android:text="2" />
+
+        <Button
+          android:id="@+id/setError3Bt"
+          android:layout_width="48dp"
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="8dp"
+          android:text="3" />
+
+      </LinearLayout>
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Helper/Error Text with Min Lines Count:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:helperText=&quot;helper is here&quot;\napp:minBottomTextLines=&quot;2&quot; (in xml)\nsetError(&quot;Error!&quot;) (in java)"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center_vertical">
+
+        <com.rengwuxian.materialedittext.MaterialEditText
+          android:id="@+id/bottomTextWithMinLinesEt"
+          android:layout_width="0dp"
+          android:layout_height="wrap_content"
+          android:layout_weight="1"
+          android:hint="Helper/Error Text"
+          app:helperText="helper is here"
+          app:minBottomTextLines="2" />
+
+        <Button
+          android:id="@+id/setErrorWithMinLinesBt"
+          android:layout_width="48dp"
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="8dp"
+          android:text="1" />
+
+        <Button
+          android:id="@+id/setErrorWithMinLines2Bt"
+          android:layout_width="48dp"
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="8dp"
+          android:text="2" />
+
+        <Button
+          android:id="@+id/setErrorWithMinLines3Bt"
+          android:layout_width="48dp"
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="8dp"
+          android:text="3" />
+
+      </LinearLayout>
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Custom Base/Primary/Error/HelperText Color:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:baseColor=&quot;#009688&quot;\napp:primaryColor=&quot;#2196F3&quot;\napp:errorColor=&quot;#ddaa00&quot;\napp:helperTextColor=&quot;#795548&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Custom Colors"
+        app:baseColor="#009688"
+        app:errorColor="#ddaa00"
+        app:floatingLabel="highlight"
+        app:helperText="Helper Text"
+        app:helperTextColor="#795548"
+        app:maxCharacters="5"
+        app:primaryColor="#2196F3" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Custom Accent Typeface:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:floatingLabel=&quot;normal&quot;\napp:helperText=&quot;Helper Text&quot;\napp:maxCharacters=&quot;5&quot;\napp:accentTypeface=&quot;fonts/Roboto-LightItalic.ttf&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Custom Accent Typeface"
+        app:accentTypeface="fonts/Roboto-LightItalic.ttf"
+        app:floatingLabel="normal"
+        app:helperText="Helper Text"
+        app:maxCharacters="5" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Hide underline"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:hideUnderline=&quot;true&quot;"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Hidden underline"
+        app:hideUnderline="true" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Material Design Icon"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:iconLeft=&quot;@drawable/ic_phone&quot;\napp:iconPadding=&quot;0dp&quot; (Note: 8dp by default, not 0)"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <com.rengwuxian.materialedittext.MaterialEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Material Design Icon"
+        app:iconLeft="@drawable/ic_phone"
+        app:iconPadding="0dp"
+        app:maxCharacters="5" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:text="Validation:"
+        android:textColor="#333333"
+        android:textSize="14sp" />
+
+      <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="app:helperText=&quot;Integer&quot; (in xml)\naddValidator(new RegexValidator(&quot;Only Integer Valid!&quot;, &quot;\\\\d+&quot;)); (in java)"
+        android:textColor="#888888"
+        android:textSize="14sp" />
+
+      <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center_vertical">
+
+        <com.rengwuxian.materialedittext.MaterialEditText
+          android:id="@+id/validationEt"
+          android:layout_width="0dp"
+          android:layout_height="wrap_content"
+          android:layout_weight="1"
+          android:hint="Validation"
+          app:helperText="Integer" />
+
+        <Button
+          android:id="@+id/validateBt"
+          android:layout_width="100dp"
+          android:layout_height="wrap_content"
+          android:layout_marginLeft="8dp"
+          android:text="VALIDATE" />
+
+      </LinearLayout>
+
+    </LinearLayout>
+  </LinearLayout>
 </ScrollView>
\ No newline at end of file
diff --git a/sample/src/main/res/menu/menu_main.xml b/sample/src/main/res/menu/menu_main.xml
index db961b95..63bc0b2b 100644
--- a/sample/src/main/res/menu/menu_main.xml
+++ b/sample/src/main/res/menu/menu_main.xml
@@ -1,8 +1,10 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
-      xmlns:tools="http://schemas.android.com/tools"
-      tools:context=".MainActivity">
-  <item android:id="@+id/action_settings"
-        android:title="@string/action_settings"
-        android:orderInCategory="100"
-        android:showAsAction="never"/>
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  xmlns:tools="http://schemas.android.com/tools"
+  tools:context=".MainActivity">
+  <item
+    android:id="@+id/action_settings"
+    android:orderInCategory="100"
+    android:title="@string/action_settings"
+    app:showAsAction="never" />
 </menu>
diff --git a/sample/src/main/res/values-w820dp/dimens.xml b/sample/src/main/res/values-w820dp/dimens.xml
index 63fc8164..1e656d65 100644
--- a/sample/src/main/res/values-w820dp/dimens.xml
+++ b/sample/src/main/res/values-w820dp/dimens.xml
@@ -1,6 +1,6 @@
 <resources>
-    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
-         (such as screen margins) for screens with more than 820dp of available width. This
-         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
-    <dimen name="activity_horizontal_margin">64dp</dimen>
+  <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+       (such as screen margins) for screens with more than 820dp of available width. This
+       would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+  <dimen name="activity_horizontal_margin">64dp</dimen>
 </resources>