一，提示对话框

            效果：

          调用代码：

  new AlertDialog.Builder(MainActivity.this)

        				.setIcon(android.R.drawable.ic_dialog_alert)
        				.setTitle("注意：请谨慎选择！选错手机会爆炸！")
        				.setMessage("我是不是最好看的人？")
        				.setPositiveButton(R.string.confirm,new DialogInterface.OnClickListener() {

							@Override
							public void onClick(DialogInterface arg0, int arg1) {
								finish();

							}
						})
						.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {

							@Override
							public void onClick(DialogInterface arg0, int arg1) {
								// TODO Auto-generated method stub

							}
						})
						.create()
						.show();

二，单选对话框

                调用代码：

	//单选对话框
	        new AlertDialog.Builder(MainActivity.this)
	        			.setTitle("选择性别")
	        			.setCancelable(false)
	        			.setSingleChoiceItems(new CharSequence[]{"男","女"},0,new DialogInterface.OnClickListener() {

							@Override
							public void onClick(DialogInterface arg0, int arg1) {
								// TODO Auto-generated method stub

							}
						})
						.setPositiveButton("确定", new DialogInterface.OnClickListener() {

							@Override
							public void onClick(DialogInterface arg0, int arg1) {
								MainActivity.this.setTitle("恩恩，选好啦");

							}
						})
						.setNegativeButton("取消", new DialogInterface.OnClickListener() {

							@Override
							public void onClick(DialogInterface arg0, int arg1) {
								MainActivity.this.setTitle("取消干嘛");

							}
						})
						.create()
						.show();

  三，复选对话框

        调用代码：

String[] addr=new String[]{"北京","上海","天津","广州","重庆"};
        new AlertDialog.Builder(MainActivity.this)
        				.setTitle("宝贝儿，选个城市吃火锅~")
        				.setMultiChoiceItems(addr, null, new DialogInterface.OnMultiChoiceClickListener() {

							@Override
							public void onClick(DialogInterface arg0, int arg1, boolean arg2) {

							}
						})
						.setPositiveButton("确定",new OnClickListener(){

							@Override
							public void onClick(DialogInterface arg0, int arg1) {
								// TODO Auto-generated method stub

							}

						})
						.setNegativeButton("取消", new OnClickListener(){

							@Override
							public void onClick(DialogInterface arg0, int arg1) {
								// TODO Auto-generated method stub

							}

						})
						.create().show();

四，列表对话框

    代码：

 //列表对话框
	        String[] addr=new String[]{"北京","上海","天津","深圳"};
	        new AlertDialog.Builder(MainActivity.this)
	        				.setTitle("城市列表框")
	        				.setItems(addr, new DialogInterface.OnClickListener() {

								@Override
								public void onClick(DialogInterface arg0, int arg1) {
									// TODO Auto-generated method stub

								}
							})
							.create().show();

             注意：

                       一些名称，比如按钮名称，title，等要写成XML写到strings.xml文件中，以上仅是Demo.