添加启动画面

app/src/main/AndroidManifest.xml

@@ -15,9 +15,7 @@
         android:theme="@style/AppTheme"
         tools:replace="android:icon">
         <activity
-            android:name=".activity.MainActivity"
-            android:label="@string/app_name"
-            android:launchMode="singleTask"
+            android:name=".activity.SplashScreenActivity"
             android:screenOrientation="portrait"
             android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
@@ -26,6 +24,12 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".activity.MainActivity"
+            android:label="@string/app_name"
+            android:launchMode="singleTask"
+            android:screenOrientation="portrait"
+            android:theme="@style/AppTheme.NoActionBar"></activity>
         <activity
             android:name=".activity.BookInfoActivity"
             android:screenOrientation="portrait" />

app/src/main/java/me/icxd/bookshelve/activity/SplashScreenActivity.java

@@ -0,0 +1,28 @@
+package me.icxd.bookshelve.activity;
+
+import android.content.Intent;
+import android.os.Handler;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.WindowManager;
+
+import me.icxd.bookshelve.R;
+
+public class SplashScreenActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_splash_screen);
+
+        getWindow().setFlags(WindowManager.LayoutParams. FLAG_FULLSCREEN ,WindowManager.LayoutParams. FLAG_FULLSCREEN);
+
+        new Handler().postDelayed(new Runnable() {
+            public void run() {
+                Intent mainIntent = new Intent(SplashScreenActivity.this, MainActivity.class);
+                SplashScreenActivity.this.startActivity(mainIntent);
+                SplashScreenActivity.this.finish();
+            }
+        }, 2000);
+    }
+}

app/src/main/res/layout/activity_splash_screen.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/colorPrimary"
+    android:gravity="center"
+    android:orientation="vertical"
+    tools:context="me.icxd.bookshelve.activity.SplashScreenActivity">
+
+    <ImageView
+        android:layout_width="80dp"
+        android:layout_height="80dp"
+        android:src="@drawable/ic_import_contacts_white_48dp" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="书柜"
+        android:textColor="#FFFFFF"
+        android:textSize="24sp" />
+
+</LinearLayout>

app/src/main/res/layout/nav_header_main.xml

@@ -22,13 +22,14 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:paddingTop="@dimen/nav_header_vertical_spacing"
-        android:text="HaPBoy"
+        android:text="我的书柜"
+        android:textSize="18sp"
         android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
 
-    <TextView
-        android:id="@+id/textView"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="ihapboy@gmail.com" />
+    <!--<TextView-->
+        <!--android:id="@+id/textView"-->
+        <!--android:layout_width="wrap_content"-->
+        <!--android:layout_height="wrap_content"-->
+        <!--android:text="ihapboy@gmail.com" />-->
 
 </LinearLayout>

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.0'
+        classpath 'com.android.tools.build:gradle:2.1.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files