Android 图片闪烁(延迟切换)

 <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:orientation="vertical" >

     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/hello_world" />

     <ViewFlipper
         android:id="@+id/flipper"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_alignParentTop="true"
         android:layout_marginTop="10dp"
         android:flipInterval="200" >

         <TextView
             android:id="@+id/text_1"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="text_1" />

         <TextView
             android:id="@+id/text_2"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="text_12" />

         <TextView
             android:id="@+id/text_3"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="text_13" />

         <TextView
             android:id="@+id/text_4"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="text_14" />
     </ViewFlipper>

     <Button
         android:id="@+id/btn"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="stop" />

 </LinearLayout>

 package com.example.demoviewfliper;

 import android.app.Activity;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 import android.widget.ViewFlipper;

 public class MainActivity extends Activity {
     ViewFlipper mVf;
     Button btn;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         mVf = (ViewFlipper) findViewById(R.id.flipper);
         mVf.startFlipping();

         btn = (Button) findViewById(R.id.btn);
         btn.setOnClickListener(new View.OnClickListener() {

             @Override
             public void onClick(View v) {
                 if (mVf != null && mVf.isFlipping()) {
                     mVf.stopFlipping();
                     mVf.setDisplayedChild(mVf.getChildCount() - 1);
                 }

             }
         });
     }

 }