Android 图片闪烁(延迟切换)

Posted 2020-07-09 鲸歌

 1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical" >
 6 
 7     <TextView
 8         android:layout_width="wrap_content"
 9         android:layout_height="wrap_content"
10         android:text="@string/hello_world" />
11 
12     <ViewFlipper
13         android:id="@+id/flipper"
14         android:layout_width="match_parent"
15         android:layout_height="wrap_content"
16         android:layout_alignParentTop="true"
17         android:layout_marginTop="10dp"
18         android:flipInterval="200" >
19 
20         <TextView
21             android:id="@+id/text_1"
22             android:layout_width="match_parent"
23             android:layout_height="wrap_content"
24             android:text="text_1" />
25 
26         <TextView
27             android:id="@+id/text_2"
28             android:layout_width="match_parent"
29             android:layout_height="wrap_content"
30             android:text="text_12" />
31 
32         <TextView
33             android:id="@+id/text_3"
34             android:layout_width="match_parent"
35             android:layout_height="wrap_content"
36             android:text="text_13" />
37 
38         <TextView
39             android:id="@+id/text_4"
40             android:layout_width="match_parent"
41             android:layout_height="wrap_content"
42             android:text="text_14" />
43     </ViewFlipper>
44 
45     <Button
46         android:id="@+id/btn"
47         android:layout_width="wrap_content"
48         android:layout_height="wrap_content"
49         android:text="stop" />
50 
51 </LinearLayout>

 1 package com.example.demoviewfliper;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.view.View;
 6 import android.widget.Button;
 7 import android.widget.ViewFlipper;
 8 
 9 public class MainActivity extends Activity {
10     ViewFlipper mVf;
11     Button btn;
12 
13     @Override
14     protected void onCreate(Bundle savedInstanceState) {
15         super.onCreate(savedInstanceState);
16         setContentView(R.layout.activity_main);
17 
18         mVf = (ViewFlipper) findViewById(R.id.flipper);
19         mVf.startFlipping();
20 
21         btn = (Button) findViewById(R.id.btn);
22         btn.setOnClickListener(new View.OnClickListener() {
23 
24             @Override
25             public void onClick(View v) {
26                 if (mVf != null && mVf.isFlipping()) {
27                     mVf.stopFlipping();
28                     mVf.setDisplayedChild(mVf.getChildCount() - 1);
29                 }
30 
31             }
32         });
33     }
34 
35 }