Android练习之ProgressDialog

资源包：范例练习b8 FLExB8.rar
需求分析：两种类型的ProgressDialog，STYLE_SPINNER和STYLE_HORIZONTAL
View Code
  1 package com.example.flexb8;
  2 
  3 import android.os.Bundle;
  4 import android.os.Handler;
  5 import android.os.Message;
  6 import android.app.Activity;
  7 import android.app.ProgressDialog;
  8 import android.content.DialogInterface;
  9 import android.view.Menu;
 10 import android.view.View;
 11 import android.view.View.OnClickListener;
 12 import android.widget.Button;
 13 import android.widget.TextView;
 14 
 15 public class MainActivity extends Activity {
 16 
 17     private TextView tv1;
 18     private Button bt1;
 19     private Button bt2;
 20     private int progressCount;
 21     private ProgressDialog progressDialog;
 22     private ProgressDialog progressDialog2;
 23 
 24     @Override
 25     public void onCreate(Bundle savedInstanceState) {
 26         super.onCreate(savedInstanceState);
 27         setContentView(R.layout.activity_main);
 28         
 29         bt1 = (Button)findViewById(R.id.bt1);
 30         bt1.setOnClickListener(onClickListenter);
 31         bt2 = (Button)findViewById(R.id.bt2);
 32         bt2.setOnClickListener(onClickListenter);
 33         tv1 = (TextView)findViewById(R.id.tv1);
 34     }
 35     
 36     OnClickListener onClickListenter = new OnClickListener() {
 37         //@Override
 38         @SuppressWarnings("deprecation")
 39         public void onClick(View v) {
 40             switch(v.getId()){
 41                 case R.id.bt1:
 42                     progressDialog = new ProgressDialog(MainActivity.this);
 43                     //风格
 44                     progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
 45                     progressDialog.setTitle("Title");
 46                     progressDialog.setMessage("Message");
 47                     progressDialog.setIcon(R.drawable.ic_launcher);
 48                     //进度不明确false 即明确
 49                     progressDialog.setIndeterminate(false);
 50                     //按回退键取消
 51                     progressDialog.setCancelable(true);
 52                     //写了这个Button就木有代码提示了，这...何解啊
 53                     /*progressDialog.setButton("确定", new DialogInterface.OnClickListener() {
 54                         //@Override
 55                         public void onClick(DialogInterface dialog, int which) {
 56                             progressDialog.cancel();
 57                         }
 58                     });*/
 59                     progressDialog.show();
 60                     break;
 61                     
 62                 case R.id.bt2:
 63                     progressCount = 0;
 64                     progressDialog2 = new ProgressDialog(MainActivity.this);
 65                     progressDialog2.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
 66                     progressDialog2.setTitle("Title2");
 67                     progressDialog2.setIcon(R.drawable.ic_launcher);
 68                     progressDialog2.setMessage("Message2");
 69                     progressDialog2.setIndeterminate(false);
 70                     progressDialog2.setCancelable(true);
 71                     progressDialog2.setMax(100);
 72                     new Thread(){
 73                         @Override
 74                         public void run(){
 75                             while(progressCount<=100){
 76                                 try {
 77                                     progressDialog2.setProgress(progressCount++);
 78                                     Thread.sleep(200);
 79                                 } catch (InterruptedException e) {
 80                                     progressCount = 0;
 81                                     progressDialog2.cancel();
 82                                 }
 83                             }
 84                         }
 85                     }.start();
 86                     progressDialog2.setButton("确定", new DialogInterface.OnClickListener() {
 87                         //@Override
 88                         public void onClick(DialogInterface dialog, int which) {
 89                             dialog.cancel();
 90                         }
 91                     });
 92                     progressDialog2.show();
 93                     break;
 94                     
 95                 default:
 96                     break;
 97             }//switch
 98         }
 99     };
100 
101 
102     @Override
103     public boolean onCreateOptionsMenu(Menu menu) {
104         getMenuInflater().inflate(R.menu.activity_main, menu);
105         return true;
106     }
107 }
108 //http://www.cnblogs.com/jh5240/archive/2011/10/30/2229269.html
posted on 2012-11-21 14:38 hanxun 阅读(144) 评论(0) 编辑收藏举报