Android 常见对话框 _Android

亦余心之所善兮，虽九死其犹未悔。这篇文章主要讲述Android 常见对话框相关的知识，希望能为你提供帮助。
下面代码写了常见的几个对话框，包含：

1、确定取消对话框
2、单选对话框
3、多选对话框
4、进度对话框（加载时的）
5、下载进度对话框

package com.yuanlp.dialogs; import android.app.ProgressDialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } /** * 创建一个确定取消对话框 * @param view */ public void click1(View view){ //工厂设计模式，获取对话框工厂 AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("警告"); builder.setMessage("欲练此功，必先自宫"); builder.setPositiveButton("是", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this,"点击了是",Toast.LENGTH_SHORT).show(); } }); builder.setNegativeButton("否", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this,"不自宫，不成功",Toast.LENGTH_SHORT).show(); } }); //一定要显示show,不然不会显示 builder.show(); } /** * 创建一个单选对话框 * @param view */ public void click2(View view){ //工厂设计模式，获取对话框工厂 final AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("请选择姓名"); final String[] items=new String[]{"男","女","未知"}; builder.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(MainActivity.this,"选择的性别是:"+items[which],Toast.LENGTH_LONG).show(); //关闭对话框 dialog.dismiss(); } }); //一定要显示show,不然不会显示 builder.show(); } /** * 创建一个多选对话框 * @param view */ public void click3(View view){ //工厂设计模式，获取对话框工厂 AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("警告"); final String[] items={"苹果","香蕉","梨子","桃子"}; final boolean[] checkdes={false,true,true,true}; //参数解析：第一个是多选项的一个集合，第二个是每个选项默认的选择状态，第三个是监听 builder.setMultiChoiceItems(items, checkdes, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { Toast.makeText(MainActivity.this,items[which]+isChecked,Toast.LENGTH_SHORT).show(); } }); builder.setPositiveButton("是", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { StringBuffer sb=new StringBuffer(); for(int i=0; i< checkdes.length; i++){ if (checkdes[i]){ sb.append(items[i]+" "); } } Toast.makeText(MainActivity.this,"喜欢吃的水果是："+sb.toString(),Toast.LENGTH_SHORT).show(); } }); //一定要显示show,不然不会显示 builder.show(); } /** * 创建一个进度对话框 * @param view */ public void click4(View view){ //工厂设计模式，获取对话框工厂 final ProgressDialog pd = new ProgressDialog(this); pd.setTitle("稍等"); pd.setMessage("正在拼命加载中"); //一定要显示show,不然不会显示 pd.show(); new Thread(){ @Override public void run() { try { Thread.sleep(20000); } catch (InterruptedException e) { e.printStackTrace(); } pd.dismiss(); //关闭对话框 } }.start(); } /** * 创建具体进度条的对话框 * @param view */ public void click5(View view){ //工厂设计模式，获取对话框工厂 final ProgressDialog pd = new ProgressDialog(this); pd.setTitle("请等待"); pd.setMessage("正在拼命加载"); pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); pd.setMax(100); //一定要显示show,不然不会显示 pd.show(); new Thread(){ @Override public void run() { try { for (int i=0; i< 100; i++){ Thread.sleep(300); pd.setProgress(i); } } catch (InterruptedException e) { e.printStackTrace(); } pd.dismiss(); } }.start(); } }

【Android 常见对话框】本文出自 “YuanGuShi” 博客，请务必保留此出处http://cm0425.blog.51cto.com/10819451/1940215