string.xml

       
           
      
       TestBase
            
      
       城市
            
      
       北京
            
      
       是否选择提示框
            
      
       列表选择提示框
        
     

　　

main.xml

　　

activity.java

package com.mytest.testbase;    import android.app.Activity;  import android.app.AlertDialog;  import android.app.AlertDialog.Builder;  import android.content.DialogInterface;  import android.os.Bundle;  import android.view.View;  import android.widget.TextView;  import android.widget.Toast;    public class MainActivity extends Activity {        private TextView textview_result;        @Override      protected void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.activity_main);            textview_result = (TextView) this.findViewById(R.id.tv_result);      }        /**      * 是否选择提示框      *       * @param view      */      public void YesOrNoOnClick(View view) {            Builder builder = new AlertDialog.Builder(this);            builder.setMessage("确认删除吗？").setPositiveButton("是", new DialogInterface.OnClickListener() {                @Override              public void onClick(DialogInterface dialog, int which) {                  // Toast.makeText(getApplicationContext(), "删除成功",                  // Toast.LENGTH_SHORT).show();                  textview_result.setText("删除成功");              }          }).setNegativeButton("否", new DialogInterface.OnClickListener() {                @Override              public void onClick(DialogInterface dialog, int which) {                  // Toast.makeText(getApplicationContext(), "删除失败",                  // Toast.LENGTH_SHORT).show();                  textview_result.setText("删除失败");              }            });            AlertDialog dialog = builder.create();          dialog.show();      }        /**      * 列表项选择提示框      *       * @param view      */      public void ListItemOnClick(View view) {          Builder builder = new AlertDialog.Builder(this);          final String[] cities = { "广州", "上海", "北京", "香港", "澳门" };          builder.setTitle("选择城市").setItems(cities, new DialogInterface.OnClickListener() {                @Override              public void onClick(DialogInterface dialog, int which) {                  textview_result.setText("选择的城市是" + cities[which]);              }            });            AlertDialog dialog = builder.create();          dialog.show();      }    }