anroid基本对话框

    这次写的android的基本对话框的使用，主要是看代码其实写的时候都是一样的，看你的需求是什么，你就可以设置成什么样

    activity_main.xml源码

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.uidemo01.MainActivity" >

   <Button 
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:onClick="commondialog"
       android:layout_gravity="center"
       android:text="普通对话框"/>
     <Button 
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:onClick="listdialog"
       android:layout_gravity="center"
       android:text="列表对话框"/>
       <Button 
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:onClick="singledialog"
       android:layout_gravity="center"
       android:text="单选对话框"/>
       <Button 
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:onClick="multidialog"
       android:layout_gravity="center"
       android:text="多选对话框"/>
       <Button 
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:onClick="progressdialog"
       android:layout_gravity="center"
       android:text="不确定进度条对话框"/>
          <Button 
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:onClick="progressdialog_1"
       android:layout_gravity="center"
       android:text="确定进度条对话框"/>
       

</LinearLayout>

 MainActivity代码

package com.example.uidemo01;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.SystemClock;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.Toast;

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
	}
	
	//普通对话框
	public void commondialog(View v){
		//1.创建Builder
		AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
		//2.给Builder设置数据
		//设置标题
		builder.setTitle("警告");
		//是后退键失效
		builder.setCancelable(false);
		//设置提醒的内容
		builder.setMessage("你确定要访问这个网页！");
		//设置图标
		builder.setIcon(android.R.drawable.alert_light_frame);
		//设置确定按钮
		builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
			}
		});
		//设置中间的按钮
		builder.setNeutralButton("隐藏", new DialogInterface.OnClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which) {
			}
		});
		//设置取消按钮
		builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
			}
		});
		//3.使用Builder创建对话框
		AlertDialog dialog = builder.create();
		//4.显示对话框
		dialog.show();
		
	}
	//列表对话框
	public void listdialog(View v){
		final String[] items =new String[] {"武汉","岳阳","长沙"};
		//1.创建Builder
		AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
		//2.给Builder设置数据
		builder.setTitle("请选择");
		builder.setIcon(android.R.drawable.alert_dark_frame);
		builder.setItems(items, new DialogInterface.OnClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which) {
				String item = items[which];
				Toast.makeText(MainActivity.this, item, 0).show();
			}
		});
		//3.使用Builder创建对话框
		AlertDialog dialog = builder.create();
		//4.显示对话框
		dialog.show();
	}
	//单选对话框
	public void singledialog(View v){
		final String[] items =new String[] {"武汉","岳阳","长沙"};
		//1.创建Builder
		AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
		//2.给Builder设置数据
		builder.setTitle("请选择");
		builder.setIcon(android.R.drawable.alert_dark_frame);
		builder.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which) {
				String item = items[which];
				Toast.makeText(MainActivity.this, item, 0).show();
				dialog.dismiss();
			}
		});
		//3.使用Builder创建对话框
		AlertDialog dialog = builder.create();
		//4.显示对话框
		dialog.show();
	}
	//多选对话框
	public void multidialog(View v){
		final String[] items =new String[] {"武汉","岳阳","长沙"};
		final boolean[] checkedItems = new boolean[]{true,false,false};
		AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
		builder.setTitle("请选择");
		builder.setIcon(android.R.drawable.alert_dark_frame);
		builder.setMultiChoiceItems(items, checkedItems, new DialogInterface.OnMultiChoiceClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which, boolean isChecked) {
				checkedItems[which] = isChecked;
			}
		});
		
		builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which) {
				StringBuffer sb = new StringBuffer();
				for(int i=0; i<checkedItems.length; i++){
					if(checkedItems[i]){
						sb.append(items[i]).append(",");
					}
				}
				Toast.makeText(MainActivity.this, sb.toString(), 0).show();
			}
		});
		builder.create().show();
	}
	//不确定进度条对话框
	public void progressdialog(View v){
		new ProgressDialog(this).show(this, "正在加载", "正在努力加载中.....");
	}
	//确定进度条对话框
	public void progressdialog_1(View v){
		final ProgressDialog pd = new ProgressDialog(this);
		//水平
		pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
		pd.setMax(100);
		pd.setIcon(android.R.drawable.alert_dark_frame);
		pd.setMessage("正在下载中....");
		pd.show();
		new Thread(){
			public void run() {
				int i = 1;
				while(i<100){
					pd.setProgress(i++);
					//睡眠
					SystemClock.sleep(200);
				}
				pd.dismiss();
			}
		}.start();
	}
}