Android应用欢迎界面实现

public class WelcomeActivity extends AppCompatActivity {    private static final String TAG ="WelcomeActivity" ;    private Handler handler;    private Runnable runnable;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        //设置为全屏模式        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);        setContentView(R.layout.activity_welcome);        handler = new Handler();        runnable = new Runnable() {            @Override            public void run() {               startActivity(new Intent(WelcomeActivity.this,MainActivity.class));               finish();            }        };        handler.postDelayed(runnable,5000);    }    @Override    protected void onDestroy() {        super.onDestroy();        handler.removeCallbacks(runnable);        Log.i(TAG,"移除runable");    }}

布局

<?xml version="1.0" encoding="utf-8"?><RelativeLayout 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"    tools:context=".WelcomeActivity">    <ImageView        android:layout_width="match_parent"        android:layout_height="match_parent"        android:background="@android:color/white"        android:layout_centerInParent="true"        android:scaleType="center"        android:src="@mipmap/mes"/>RelativeLayout>

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