Android弹出对话框

 

 

1、

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

 2、

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、

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;                  }              }          };      }   

 

 4、

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;        }        }               };