高级控件【安卓5】——对话框操作事件

 1 protected void onCreate(Bundle savedInstanceState) {
 2     super.onCreate (savedInstanceState);
 3     setContendView(R.layout.dialog);        //设置布局管理器
 4     Button bt = (Button) findViewById (R.id.button);
 5     bt.setOnClickListener (new OnClickListener () {
 6         public void onClick (View v) {
 7             Dialog dialog2=new AlertDialog.Builder (Dialog0.this)
 8                 .setTitle("删除")                        //设置标题
 9                 .setMessage("是否删除指定内容？")        //显示信息
10                 .setPositiveButton("确定", new DialogInterface.OnClickListener() {
11                     public void onClick(DialogInterface dialog, int which) {
12                     }})
13                 .setNeutralButton("取消", new DialogInterface.OnClickListener() {
14                     public void onClick(DialogInterface dialog, int which) {
15                     }})
16                 .create();                //创建Dialog
17             dialog2.show();            //显示对话框
18             }
19         });
20 }

Dialog dialog2=new AlertDialog.Builder(Dialog0.this)
    .setTitle("退出")                        //设置标题
    .setMessage("是否退出程序？")        //显示信息
    .setPositiveButton("确定", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
                Dialog0.this.finish();    //退出程序
        }
    })
    .setNeutralButton("取消", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {}
    })
    .create();                            //创建Dialog
    dialog2.show();            //显示对话框

 1 Button bt = (Button) findViewById(R.id.Dbt);
 2 bt.setOnClickListener(new OnClickListener() {
 3     public void onClick(View v) {
 4         final ProgressDialog pd=ProgressDialog.show(Dialog01.this,
 5              "搜索", "正在努力加载中。。。");
 6         new Thread(){                //线程对象
 7             public void run(){        //线程主体方法
 8                 try {
 9                     Thread.sleep(3000);        //运行3秒后关闭对话框
10                 } catch (InterruptedException e) {
11                     e.printStackTrace();
12                 }finally{
13                     pd.dismiss();    //关闭对话框
14                 }
15              }
16          }.start();                //线程启动
17         pd.show();
18      }
19 });