Enable Kotlin.

app/build.gradle

@@ -2,6 +2,7 @@ apply plugin: 'com.android.application'
 apply plugin: 'io.fabric'
 apply plugin: 'com.neenbedankt.android-apt'
 apply plugin: 'com.getkeepsafe.dexcount'
+apply plugin: 'kotlin-android'
 
 apply from: 'https://raw.githubusercontent.com/littledot/android-gradle-java-template/v1.0.0/common.gradle'
 
@@ -48,8 +49,12 @@ android {
         lintConfig project.rootProject.file('lint.xml')
     }
     sourceSets {
+        main {
+            java.srcDirs += 'src/main/kotlin'
+        }
         test {
             java.srcDirs += 'src/commonTest/java'
+            java.srcDirs += 'src/test/kotlin'
         }
     }
     packagingOptions {
@@ -73,6 +78,7 @@ dependencies {
     compile project.butterknife
     compile project.javaxAnnotation
     compile project.javaxInject
+    compile project.kotlinStdlib
     compile project.kryo
     compile project.leveldb
     compile project.mbassador
@@ -83,6 +89,8 @@ dependencies {
     testApt project.daggerCompiler
 
     testCompile project(':commonTest')
+    testCompile project.kotlinTest
+    testCompile project.kotlinTestJunit
 
     androidTestCompile project.junit
     androidTestCompile project.mockitoCore

app/src/main/java/com/permissionnanny/ConfirmRequestBinder.java

@@ -11,7 +11,6 @@
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 import android.text.style.StyleSpan;
-import com.permissionnanny.dagger.ContextComponent;
 import com.permissionnanny.data.AppPermission;
 import com.permissionnanny.data.AppPermissionManager;
 import com.permissionnanny.lib.NannyBundle;
@@ -51,7 +50,7 @@ public ConfirmRequestBinder(Activity activity,
         mBundle = bundle;
         mClientAddr = mBundle.getClientAddress();
         mAppPackage = mBundle.getSenderIdentity();
-        mAppInfo = Util.getApplicationInfo(mContext, mAppPackage);
+        mAppInfo = Util.INSTANCE.getApplicationInfo(mContext, mAppPackage);
         mRequest = mBundle.getRequest();
         mOperation = Operation.getOperation(mRequest);
     }

app/src/main/java/com/permissionnanny/missioncontrol/AppControlAdapter.java

@@ -13,11 +13,10 @@
 import android.widget.ArrayAdapter;
 import com.permissionnanny.R;
 import com.permissionnanny.SimpleOnItemSelectedListener;
-import com.permissionnanny.Util;
-import com.permissionnanny.data.AppPermissionManager;
 import com.permissionnanny.data.AppPermission;
+import com.permissionnanny.data.AppPermissionManager;
 import com.permissionnanny.data.PermissionDetail;
-
+import com.permissionnanny.Util;
 import java.util.Map;
 
 /**
@@ -86,7 +85,7 @@ private void bindAppViewHolder(AppInfoViewHolder holder, int position) {
         String appName = appPackage;
         Drawable appIcon = null;
 
-        ApplicationInfo info = Util.getApplicationInfo(mContext, appPackage);
+        ApplicationInfo info = Util.INSTANCE.getApplicationInfo(mContext, appPackage);
         if (info != null) {
             CharSequence appLabel = mPM.getApplicationLabel(info);
             if (appLabel != null) {

app/src/main/kotlin/com/permissionnanny/Util.kt

@@ -0,0 +1,21 @@
+package com.permissionnanny
+
+import android.content.Context
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+
+/**
+ * Utilities.
+ */
+object Util {
+
+    fun getApplicationInfo(context: Context, packageName: String): ApplicationInfo? {
+        val pm = context.packageManager
+        try {
+            return pm.getApplicationInfo(packageName, 0)
+        } catch (e: PackageManager.NameNotFoundException) {
+            return null
+        }
+
+    }
+}

app/src/test/kotlin/com/permissionnanny/UtilTest.kt

@@ -0,0 +1,45 @@
+package com.permissionnanny
+
+import android.content.Context
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import org.hamcrest.Matchers.nullValue
+import org.hamcrest.Matchers.sameInstance
+import org.junit.Assert.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.mockito.BDDMockito.given
+import org.mockito.Matchers.anyInt
+import org.mockito.Matchers.anyString
+import org.mockito.Mock
+
+class UtilTest : NannyAppTestCase() {
+
+    private var applicationInfo = ApplicationInfo()
+    @Mock private lateinit var context: Context
+    @Mock private lateinit var packageManager: PackageManager
+
+    @Before
+    fun setUp() {
+        given(context.packageManager).willReturn(packageManager)
+    }
+
+    @Test
+    fun getApplicationInfo() {
+        given(packageManager.getApplicationInfo("a", 0)).willReturn(applicationInfo)
+
+        val actual = Util.getApplicationInfo(context, "a")
+
+        assertThat(actual, sameInstance(applicationInfo))
+    }
+
+    @Test
+    fun getApplicationInfo_shouldReturnNull_whenQueryThrows() {
+        given(packageManager.getApplicationInfo(anyString(), anyInt()))
+                .willThrow(PackageManager.NameNotFoundException())
+
+        val actual = Util.getApplicationInfo(context, "a")
+
+        assertThat(actual, nullValue())
+    }
+}

build.gradle

@@ -4,25 +4,14 @@ buildscript {
         maven { url "https://plugins.gradle.org/m2/" }
         maven { url "https://maven.fabric.io/public" }
     }
-    dependencies {
-        classpath "com.android.tools.build:gradle:2.0.0"
-        classpath "com.getkeepsafe.dexcount:dexcount-gradle-plugin:0.6.1"
-        classpath "com.github.ben-manes:gradle-versions-plugin:0.13.0"
-        classpath "com.github.dcendents:android-maven-gradle-plugin:1.4.1"
-        classpath "com.jakewharton.sdkmanager:gradle-plugin:0.12.0"
-        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6"
-        classpath "com.neenbedankt.gradle.plugins:android-apt:1.8"
-        classpath "io.fabric.tools:gradle:1.20.1"
-        classpath 'net.ltgt.gradle:gradle-errorprone-plugin:0.0.8'
-        classpath 'org.kt3k.gradle.plugin:coveralls-gradle-plugin:2.4.0'
-    }
     project.ext {
         compileSdk = 22
         buildTools = "23.0.2"
         minSdk = 9
         targetSdk = 22
         versionCode = 10
         versionName = "0.1.2-dev"
+        kotlin_version = '1.0.5-3'
 
         v = "22.2.0"
         design = "com.android.support:design:${v}"
@@ -49,6 +38,10 @@ buildscript {
         eventbusAnnotationProcessor = "de.greenrobot:eventbus-annotation-processor:${v}"
         javaxAnnotation = "javax.annotation:javax.annotation-api:1.2"
         javaxInject = "javax.inject:javax.inject:1"
+        kotlinReflect = "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+        kotlinStdlib = "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+        kotlinTest = "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
+        kotlinTestJunit = "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version"
         kryo = "com.esotericsoftware:kryo:3.0.2"
         kryoSerializers = "de.javakaffee:kryo-serializers:0.33"
         v = "1.3"
@@ -92,6 +85,19 @@ buildscript {
             set(key, val ? val : System.env.get(key))
         }
     }
+    dependencies {
+        classpath "com.android.tools.build:gradle:2.0.0"
+        classpath "com.getkeepsafe.dexcount:dexcount-gradle-plugin:0.6.1"
+        classpath "com.github.ben-manes:gradle-versions-plugin:0.13.0"
+        classpath "com.github.dcendents:android-maven-gradle-plugin:1.4.1"
+        classpath "com.jakewharton.sdkmanager:gradle-plugin:0.12.0"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6"
+        classpath "com.neenbedankt.gradle.plugins:android-apt:1.8"
+        classpath "io.fabric.tools:gradle:1.20.1"
+        classpath 'net.ltgt.gradle:gradle-errorprone-plugin:0.0.8'
+        classpath 'org.kt3k.gradle.plugin:coveralls-gradle-plugin:2.4.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
 }
 
 allprojects {

lib/src/main/java/com/permissionnanny/lib/deeplink/DeepLinkRequest.java

@@ -95,6 +95,7 @@ public DeepLinkRequest listener(SimpleListener listener) {
      *
      * @param context Activity, Service, etc.
      */
+    @Override
     public void startRequest(Context context) {
         setPayload(newBroadcastIntent(context));
         super.startRequest(context);