Alert Dialog

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package com.example.dialog;import android.os.Bundle;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Toast;public class MainActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initEvent();}/* * 初始化点击事件 */private void initEvent() {findViewById(R.id.dialog_btn1).setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubshowDialog1();}});}private void showDialog1() {AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.setTitle("确认对话框");builder.setIcon(R.drawable.ic_launcher);builder.setMessage("确认对话框提示内容");builder.setPositiveButton("确认", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubToast.makeText(MainActivity.this, "点击了确认按钮", Toast.LENGTH_SHORT);}});builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubToast.makeText(MainActivity.this, "点击了取消按钮", Toast.LENGTH_SHORT);}});AlertDialog dialog = builder.create();dialog.show();}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}
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