Android中弹出对话框，AlertDialog关键代码

写在这里便于以后查看。

Android中弹出对话框的关键代码：

 1 btn01.setOnClickListener(new OnClickListener() {
 2 
 3             @Override
 4             public void onClick(View v) {
 5                 Toast.makeText(musicActivity.this, "tanchu", 100).show();
 6                 // 以下是弹出对话框的关键代码,
 7                 AlertDialog.Builder b = new AlertDialog.Builder(
 8                         musicActivity.this);
 9                 b.setTitle("wyl");
10                 b.setIcon(R.drawable.icon);
11                 b.setCancelable(true);
12                 b.setMessage("这是.setMessage(String str)方法");
13                 b.setPositiveButton("positivieButton..",
14                         new DialogInterface.OnClickListener() {
15 
16                             @Override
17                             public void onClick(DialogInterface dialog,
18                                     int which) {
19 
20                                 Toast.makeText(musicActivity.this,
21                                         "xxxxxxxxxx", 100).show();
22 
23                             }
24                         });
25                 b.setNegativeButton("否", new DialogInterface.OnClickListener() {
26 
27                     @Override
28                     public void onClick(DialogInterface dialog, int which) {
29                         // TODO Auto-generated method stub
30                         Toast.makeText(musicActivity.this, "否...", 100).show();
31                     }
32                 });
33                 b.create().show();
34             }
35         });