Android 启动画面

Android 启动画面

xml

xml
    android:name=".MainActivity"
    android:theme="@style/AppTheme">
    ...

xml
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
            android:id="@+id/splash_screen"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop"
        android:src="@drawable/splash_screen" />
    ...

java
public class MainActivity extends AppCompatActivity {
    private static final int SPLASH_TIME_OUT = 2000; // 延迟时间
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                Intent intent = new Intent(MainActivity.this, HomeActivity.class);
                startActivity(intent);
                finish();
            }
        }, SPLASH_TIME_OUT);
    }
    ...
}