android 对话框使用

啥都别说了，看效果吧！

   new AlertDialog.Builder(Lesson_01_Pic.this).setTitle("提示标题").setMessage("这是提示内容").show();   

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    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();   

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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..",                               Toast.LENGTH_LONG).show();                      break;                   case Dialog.BUTTON_NEUTRAL:                     Toast.makeText(Lesson_02_Dia.this, "I don't know.",                               Toast.LENGTH_LONG).show();                      break;                   case Dialog.BUTTON_POSITIVE:                       Toast.makeText(Lesson_02_Dia.this, "Yes!!",                               Toast.LENGTH_LONG).show();                       break;               }           }       };   }  

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   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={"新浪微博","校内","街旁"};                    //包含多个选项的对话框              AlertDialog dialog = new AlertDialog.Builder(Lesson_02_Dia.this)                        .setIcon(android.R.drawable.btn_star)                        .setTitle("分享")                        .setItems(choices, onselect).create();               dialog.show();           }          });      }               /**   * 选项的事件监听器   */      OnClickListener onselect = new OnClickListener() {       @Override       public void onClick(DialogInterface dialog, int which) {           // TODO Auto-generated method stub           switch (which) {           case 0:               Toast.makeText(Lesson_02_Dia.this, "您选择了新浪微博.",Toast.LENGTH_SHORT).show();               break;           case 1:               Toast.makeText(Lesson_02_Dia.this, "您选择了校内",Toast.LENGTH_SHORT).show();               break;           case 2:               Toast.makeText(Lesson_02_Dia.this, "您选择了街旁",Toast.LENGTH_SHORT).show();               break;       }       }             };  

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    <?xml version="1.0" encoding="utf-8"?>     <TableLayout     android:id="@+id/widget36"     android:layout_width="fill_parent"      android:layout_height="fill_parent"    android:orientation="vertical"      xmlns:android="http://schemas.android.com/apk/res/android"      >     <TextView    android:id="@+id/widget37"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="用户名:"     >     </TextView>     <EditText     android:id="@+id/widget38"     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:text=""     android:textSize="18sp"     >    </EditText>     <TextView    android:id="@+id/widget39"     android:layout_width="wrap_content"     android:layout_height="wrap_content"    .android:text="密码:"     >     </TextView>    <EditText    android:id="@+id/widget40"    android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:text=""     android:textSize="18sp"     >    </EditText>     </TableLayout>  

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    LayoutInflater factory = LayoutInflater.from(Lesson_02_Dia.this);     //获得自定义对话框     View view = factory.inflate(R.layout.login, null);          AlertDialog dialog02 = new AlertDialog.Builder(Lesson_02_Dia.this)          .setIcon(android.R.drawable.btn_star)         .setTitle("登录")           .setView(view)       .setPositiveButton("Yes", onclick)           .setNegativeButton("No",  onclick).create();     dialog02.show();  

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