框架佈局FrameLayout

一、簡介

二、代碼實例

結果圖：

代碼：

需要註意的代碼：

imageView_play.setVisibility(View.INVISIBLE);

<FrameLayout 

framelayoutfry2.MainActivity

 1 package framelayoutfry2;
 2 
 3 
 4 
 5 import com.example.framelayoutfry2.R;
 6 
 7 import android.app.Activity;
 8 import android.content.Intent;
 9 import android.os.Bundle;
10 import android.view.View;
11 import android.view.View.OnClickListener;
12 import android.widget.Button;
13 import android.widget.ImageView;
14 
15 
16 
17 public class MainActivity extends Activity implements OnClickListener{
18     private Button btn_play;//創建一個button對象
19     private Button btn_pause;//創建一個button對象
20     private ImageView imageView_play;
21      protected void onCreate(Bundle savedInstanceState) {
22             super.onCreate(savedInstanceState);//父類操作
23             setContentView(R.layout.activity_main);//引入名為activity_main的界面
24             imageView_play=(ImageView) findViewById(R.id.imageView_play);
25             btn_play=(Button) findViewById(R.id.btn_play);
26             btn_pause=(Button) findViewById(R.id.btn_pause);
27             btn_play.setOnClickListener(this);
28             btn_pause.setOnClickListener(this);
29             
30         }
31     @Override
32     public void onClick(View v) {
33         // TODO Auto-generated method stub
34         switch (v.getId()) {
35         case R.id.btn_play:
36             imageView_play.setVisibility(View.INVISIBLE);
37             break;
38         case R.id.btn_pause:
39             imageView_play.setVisibility(View.VISIBLE);
40             break;
41         default:
42             break;
43         }
44     }
45 }

/Test_FrameLayout/res/layout/activity_main.xml

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical" >
 6 
 7     <FrameLayout 
 8         android:layout_width="match_parent"
 9         android:layout_height="wrap_content"
10         
11         >
12         <ImageView 
13             android:layout_width="match_parent"
14             android:layout_height="250dp"
15             android:src="@drawable/frame_bg"
16             />
17         
18         <ImageView 
19             android:id="@+id/imageView_play"
20             android:layout_width="35dp"
21             android:layout_height="35dp"
22             android:src="@drawable/play"
23             android:layout_gravity="bottom"
24             android:layout_marginBottom="38dp"
25             />
26         
27     </FrameLayout>
28     
29     <LinearLayout
30         android:layout_width="match_parent" 
31         android:layout_height="wrap_content"
32         android:orientation="horizontal"
33         >
34         <Button
35             android:id="@+id/btn_play" 
36             android:layout_width="wrap_content"
37             android:layout_height="wrap_content"
38             android:text="播放"
39             android:layout_weight="1"
40             />
41         
42         <Button
43             android:id="@+id/btn_pause" 
44             android:layout_width="wrap_content"
45             android:layout_height="wrap_content"
46             android:text="暫停"
47             android:layout_weight="1"
48             />
49         
50     </LinearLayout>
51 
52 </LinearLayout>