android对话框应用

		啥都别说了，看效果吧！
1代码  
new AlertDialog.Builder(Lesson_01_Pic.this).setTitle("提示标题").setMessage("这是提示内容").show();     
 
2代码  
new AlertDialog.Builder(Lesson_01_Pic.this)    
         .setTitle("这是标题")    
        .setMessage("这是提示内容")     
        .setPositiveButton("确定",     
        new DialogInterface.OnClickListener(){    
                  public void onClick(DialogInterface dialoginterface, int i){     
                                 //按钮事件     
                           Toast.makeText(Lesson_01_Pic.this, "确定",Toast.LENGTH_LONG).show();    
                              }     
                     }).show();     
 
3代码  
import android.app.Activity;    
 import android.app.AlertDialog;    
 import android.app.Dialog;    
 import android.content.DialogInterface;    
 import android.content.DialogInterface.OnClickListener;    
 import android.content.DialogInterface.OnMultiChoiceClickListener;    
 import android.os.Bundle;    
 import android.view.View;    
 import android.widget.Button;    
 import android.widget.Toast;    
 public class Lesson_02_Dia extends Activity {    
     /** Called when the activity is first created. */    
     @Override    
     public void onCreate(Bundle savedInstanceState) {    
         super.onCreate(savedInstanceState);    
         setContentView(R.layout.main);    
             
         Button button = (Button)findViewById(R.id.b01);    
         button.setText("对话框");    
         button.setOnClickListener(new Button.OnClickListener(){    
             @Override    
             public void onClick(View v) {    
                 //选项数组    
                 String[] choices={"Facebook","Twitter"};    
                 //Check判断数组，与选项对应    
                 boolean[] chsBool = {true,false};    
                  //包含多个选项及复选框的对话框    
                 AlertDialog dialog = new AlertDialog.Builder(Lesson_02_Dia.this)    
                          .setIcon(android.R.drawable.btn_star_big_on)    
                          .setTitle("调查")    
                          .setMultiChoiceItems(choices, chsBool, multiClick)    
                          .setPositiveButton("Yes", onclick)    
                          .setNegativeButton("No",  onclick).create();    
                 dialog.show();    
             }    
                 
         });    
     }    
        
     /**   
      * 对话框复选框事件监听器   
     */    
   OnMultiChoiceClickListener multiClick = new OnMultiChoiceClickListener(){    
         @Override    
         public void onClick(DialogInterface dialog, int which, boolean isChecked) {    
             Toast.makeText(Lesson_02_Dia.this, "第"+(which+1)+"项,选中结果:"+isChecked,Toast.LENGTH_SHORT).show();    
         }    
             
     };    
         
     /**   
     * 对话框按钮点击事件监听器   
      */    
     OnClickListener onclick = new OnClickListener() {    
         @Override    
         public void onClick(DialogInterface dialog, int which) {    
            switch (which) {    
                 case Dialog.BUTTON_NEGATIVE:    
                     Toast.makeText(Lesson_02_Dia.this, "No..",    
               &

补充：移动开发 , Android ,

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