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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 DialogInte易做图ce.OnClickListener(){   
                  public void onClick(DialogInte易做图ce dialoginte易做图ce, 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.DialogInte易做图ce;   
 import android.content.DialogInte易做图ce.OnClickListener;   
 import android.content.DialogInte易做图ce.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();   
             }   
                
         });   
     }   
       
     /**  
      * 对话框复选框事件易做图  
     */   
   OnMultiChoiceClickListener multiClick = new OnMultiChoiceClickListener(){   
         @Override   
         public void onClick(DialogInte易做图ce 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易做图  
      */   
     OnClickListener onclick = new OnClickListener() {   
         @Override   
         public void onClick(DialogInte易做图ce 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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