Android 常见对话框

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();     } }