popwindow简单实例

直接上图：

  1 import android.app.Activity;

  2 import android.os.Bundle;

  3 import android.view.Gravity;

  4 import android.view.MotionEvent;

  5 import android.view.View;

  6 import android.view.View.OnClickListener;

  7 import android.widget.LinearLayout;

  8 import android.widget.LinearLayout.LayoutParams;

  9 import android.widget.PopupWindow;

 10 import android.widget.TextView;

 11 import android.widget.Toast;

 12 

 13 public class Popupwindow_Activity extends Activity {

 14     private PopupWindow popWin;

 15     private View view;

 16     private LinearLayout linear;

 17     private TextView t1,t2,t3;

 18     private float x,y;

 19     @Override

 20     public void onCreate(Bundle savedInstanceState) {

 21         super.onCreate(savedInstanceState);

 22         setContentView(R.layout.main);

 23         view=getLayoutInflater().inflate(R.layout.popwin, null);

 24         t1=(TextView)view.findViewById(R.id.link_text);

 25         t2=(TextView)view.findViewById(R.id.link_text2);

 26         t3=(TextView)view.findViewById(R.id.link_text3);

 27         linear=(LinearLayout)findViewById(R.id.linear);

 28         //这里监听事件之所以采用这种方式是因为setContentVIEW(main)所以...

 29         t1.setOnClickListener(new OnClickListener() {

 30             

 31             @Override

 32             public void onClick(View v) {

 33                 // TODO Auto-generated method stub

 34                 Toast.makeText(Popupwindow_Activity.this, "在线", Toast.LENGTH_LONG).show();

 35             }

 36         });

 37         t2.setOnClickListener(new OnClickListener() {

 38             

 39                 @Override

 40                 public void onClick(View v) {

 41                     // TODO Auto-generated method stub

 42                     Toast.makeText(Popupwindow_Activity.this, "离线", Toast.LENGTH_LONG).show();

 43                 }

 44         });

 45         t3.setOnClickListener(new OnClickListener() {

 46             

 47             @Override

 48             public void onClick(View v) {

 49                 // TODO Auto-generated method stub

 50                 Toast.makeText(Popupwindow_Activity.this, "隐身", Toast.LENGTH_LONG).show();

 51             }

 52         });

 53     }

 54 //初始化popwindow

 55     public void initPopWindow(){

 56         if(null==popWin){//(popwin自定义布局文件,popwin宽度,popwin高度)(注：若想指定位置则后两个参数必须给定值不能为WRAP_CONTENT)

 57             popWin=new PopupWindow(view, 120,  LayoutParams.WRAP_CONTENT);

 58         }

 59         if(popWin.isShowing()){//如果当前正在显示，则将被处理

 60             popWin.dismiss();

 61         }

 62     }

 63 //以自己作为Anchor,Drawdown风格，显示在正下方

 64     public void btn1Click(View v) {

 65         initPopWindow();

 66 //        popWin.showAsDropDown(v);

 67         popWin.showAsDropDown(v,Math.abs(v.getWidth()-popWin.getWidth())/2, 0);

 68     }

 69 //以自己为Anchor,偏移100,-50

 70     public void btn2Click(View v) {

 71         initPopWindow();

 72         popWin.showAsDropDown(v,100,-50);

 73     }

 74 //以屏幕正中为参照,不偏移

 75     public void btn3Click(View v) {

 76         initPopWindow();

 77         popWin.showAtLocation(linear,Gravity.CENTER, 0, 0);

 78     }

 79 //以屏幕左上为参照,偏移50,50(包括状态栏)

 80     public void btn4Click(View v) {

 81         initPopWindow();

 82         //(参照物，垂直水平对齐方式，x偏移，y偏移)

 83         popWin.showAtLocation(linear,Gravity.TOP | Gravity.LEFT, 50, 50);

 84     }

 85 //距屏幕下方一个popwin高度

 86     public void btn5Click(View v) {

 87         initPopWindow();

 88         popWin.showAtLocation(linear,Gravity.BOTTOM | Gravity.CENTER, 0, view.getHeight());

 89 

 90     }

 91     //这里采用Gestuary手势识别最佳

 92     @Override

 93     public boolean onTouchEvent(MotionEvent event) {

 94         // TODO Auto-generated method stub

 95         if(event.getX()==x&&event.getY()==y){

 96             return true;

 97         }else{

 98             x=event.getX();

 99             y=event.getY();

100         }

101         initPopWindow();

102         popWin.showAtLocation(linear,Gravity.TOP|Gravity.LEFT, (int)event.getX()-popWin.getWidth()/2,(int)event.getY());

103         System.out.println("view"+view.getHeight()+"  h/w  "+view.getWidth());

104         return true;

105     }

106 

107 }

 1 <?xml version="1.0" encoding="utf-8"?>

 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

 3     android:orientation="vertical"

 4     android:layout_width="fill_parent"

 5     android:layout_height="fill_parent"

 6     android:id="@+id/linear"

 7     >

 8     <TextView  

 9     android:layout_width="fill_parent" 

10     android:layout_height="wrap_content" 

11     android:text="@string/hello"

12     />

13     <Button

14         android:id="@+id/btn1"

15         android:text="以自己作为Anchor,Drawdown风格，显示在正下方"

16         android:onClick="btn1Click"

17         android:layout_width="wrap_content"

18         android:layout_height="wrap_content" />

19     <Button

20         android:id="@+id/btn2"

21         android:text="以自己为Anchor,偏移100,-50"

22         android:onClick="btn2Click"

23         android:layout_width="wrap_content"

24         android:layout_height="wrap_content" />

25     <Button

26         android:id="@+id/btn3"

27         android:text="以屏幕正中为参照,不偏移"

28         android:onClick="btn3Click"

29         android:layout_width="wrap_content"

30         android:layout_height="wrap_content" />

31     <Button

32         android:id="@+id/btn4"

33         android:text="以屏幕左上为参照,偏移50,50(包括状态栏)"

34         android:onClick="btn4Click"

35         android:layout_width="wrap_content"

36         android:layout_height="wrap_content" />

37     <Button

38         android:id="@+id/btn5"

39         android:text="距屏幕下方一个popwin高度"

40         android:onClick="btn5Click"

41         android:layout_width="wrap_content"

42         android:layout_height="wrap_content" />

43 </LinearLayout>

 1 <?xml version="1.0" encoding="utf-8"?>

 2 <LinearLayout

 3   xmlns:android="http://schemas.android.com/apk/res/android"

 4   android:orientation="vertical"

 5   android:layout_width="wrap_content"

 6   android:layout_height="wrap_content"

 7   android:background="@drawable/pop_up"

 8   android:gravity="center">

 9   <TableLayout 

10       android:layout_height="wrap_content"

11       android:layout_width="wrap_content"

12       android:paddingTop="40dp"

13       android:paddingLeft="10dp"

14       android:paddingRight="10dp"

15       android:paddingBottom="10dp"

16       >

17       <TableRow

18       android:layout_height="wrap_content"

19       android:layout_width="wrap_content"

20       android:gravity="left|center_vertical"

21       >

22       <ImageView 

23       android:id="@+id/link_img"

24       android:layout_height="40dp"

25       android:layout_width="40dp"

26       android:src="@drawable/qq"

27       android:scaleType="fitCenter"

28       

29       />

30       <TextView 

31       android:id="@+id/link_text"

32       android:layout_height="wrap_content"

33       android:layout_width="wrap_content"

34       android:textSize="14sp"

35       android:text="qq在线"

36       />

37       </TableRow>

38       

39       

40       

41       <TableRow

42       android:layout_height="wrap_content"

43       android:layout_width="fill_parent"

44       android:gravity="left|center_vertical"

45       >

46       <ImageView 

47       android:id="@+id/link_img2"

48       android:layout_height="40dp"

49       android:layout_width="40dp"

50       android:src="@drawable/qq2"

51       android:scaleType="fitCenter"

52       />

53       <TextView 

54       android:id="@+id/link_text2"

55       android:layout_height="wrap_content"

56       android:layout_width="wrap_content"

57       android:textSize="14sp"

58       android:text="qq离线"

59       />

60       </TableRow>

61       

62       

63       <TableRow

64       android:layout_height="wrap_content"

65       android:layout_width="fill_parent"

66       android:gravity="left|center_vertical"

67       >

68       <ImageView 

69       android:id="@+id/link_img3"

70       android:layout_height="40dp"

71       android:layout_width="40dp"

72       android:src="@drawable/qq3"

73       android:scaleType="fitCenter"

74       />

75       <TextView 

76       android:id="@+id/link_text3"

77       android:layout_height="wrap_content"

78       android:layout_width="wrap_content"

79       android:textSize="14sp"

80       android:text="qq隐身"

81       />

82       </TableRow>

83       

84   </TableLayout>

85     

86 </LinearLayout>

直接将上面的代码复制到工程中，即可运行。功能比较简单，代码容易理解。如有转载，请注明出处...