安卓开发_使用AlertDialog实现对话框

 1 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 2             builder.setTitle("确认对话框");
 3             builder.setIcon(R.drawable.icon_72);
 4             builder.setMessage("这里是对话框内容");
 5             builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
 6                 
 7                 @Override
 8                 public void onClick(DialogInterface arg0, int arg1) {
 9                     // TODO Auto-generated method stub
10                     Toast.makeText(AlertDialog_text.this, "点击了确定按钮", 1).show();
11                 }
12             });
13             AlertDialog dialog = builder.create();
14             dialog.show(); //显示、

 1 final String[] items = new String[]{"语文","数学","英语","物理","化学"};   //列表项
 2             Builder alertdialog = new AlertDialog.Builder(this); 
 3             alertdialog.setTitle("你喜欢的课程").setItems(items, new DialogInterface.OnClickListener() {
 4                 
 5                 @Override
 6                 public void onClick(DialogInterface dialog, int which) {
 7                     // TODO Auto-generated method stub
 8                     Toast.makeText(AlertDialog_lianxi.this, items[which], Toast.LENGTH_SHORT).show();
 9                     
10                 }
11             });
12             alertdialog.create().show();                  //创建显示列表

 1 final String[] items_fruit = new String[]{"苹果","香蕉","橘子","西瓜","梨"};
 2             Builder alerdialog = new AlertDialog.Builder(this);
 3             //设置列表标题
 4             alerdialog.setTitle("你喜欢的水果");
 5             //设置单选列表
 6             alerdialog.setSingleChoiceItems(items_fruit, 0, new DialogInterface.OnClickListener() {
 7                 @Override
 8                 public void onClick(DialogInterface dialog, int which) {
 9                     // TODO Auto-generated method stub
10                     Toast.makeText(AlertDialog_lianxi.this, items_fruit[which], Toast.LENGTH_SHORT).show();
11                     
12                 }
13             });
14             //设置取消按钮并且设置响应事件
15             alerdialog.setNegativeButton("取消", new DialogInterface.OnClickListener() {
16                 
17                 @Override
18                 public void onClick(DialogInterface dialog, int which) {
19                     // TODO Auto-generated method stub
20                     //取消按钮响应事件
21                 }
22             });
23             //添加确定按钮 并且设置响应事件
24             alerdialog.setPositiveButton("确定", new DialogInterface.OnClickListener() {     
25                 
26                 @Override
27                 public void onClick(DialogInterface dialog, int which) {
28                     // TODO Auto-generated method stub
29                     //确定按钮响应事件
30                 }
31             });
32             
33             alerdialog.create().show();//创建显示列表

 1 final String[] items_fruit1 = new String[]{"苹果","香蕉","橘子","西瓜","梨"}; //设置项
 2             final boolean[] items_fruit_selected = new boolean[]{true,false,false,false,false};  
 3             Builder alerdialog1 = new AlertDialog.Builder(this);
 4             //设置列表标题
 5             alerdialog1.setTitle("你喜欢的水果");
 6             //设置多选列表
 7             alerdialog1.setMultiChoiceItems(items_fruit1, items_fruit_selected, new DialogInterface.OnMultiChoiceClickListener() {
 8                 
 9                 @Override
10                 public void onClick(DialogInterface dialog, int which, boolean isChecked) {
11                     // TODO Auto-generated method stub
12                     items_fruit_selected[which] = isChecked;
13                 }
14             });
15             //设置取消按钮并且设置响应事件
16             alerdialog1.setNegativeButton("取消", new DialogInterface.OnClickListener() {
17                 
18                 @Override
19                 public void onClick(DialogInterface dialog, int which) {
20                     // TODO Auto-generated method stub
21                     //取消按钮响应事件
22                 }
23             });
24             //添加确定按钮 并且设置响应事件,将选择的项显示
25             alerdialog1.setPositiveButton("确定", new DialogInterface.OnClickListener() {     
26                 
27                 @Override
28                 public void onClick(DialogInterface dialog, int which) {
29                     // TODO Auto-generated method stub
30                     //确定按钮响应事件
31                     StringBuilder stringBuilder = new StringBuilder();
32                     for(int i=0;i<items_fruit_selected.length;i++)
33                     {
34                         if(items_fruit_selected[i] == true)
35                         {
36                             stringBuilder.append(items_fruit1[i]+"、");
37                         }
38                     }
39                     Toast.makeText(AlertDialog_lianxi.this, stringBuilder.toString(), Toast.LENGTH_SHORT).show();
40                 }
41             });
42             
43             alerdialog1.create().show();//创建显示列表

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:gravity="center_horizontal"
 6     android:orientation="vertical" >
 7     
 8     <EditText 
 9         android:layout_width="match_parent"
10         android:layout_height="wrap_content"
11         android:editable="false"
12         android:text="自定义对话框"/>
13     
14     <TextView 
15         android:layout_width="wrap_content"
16         android:layout_height="wrap_content"
17         android:text="这里是自定义对话框的内容"
18         android:textSize="20dp"
19         />
20     <Button 
21         android:layout_width="wrap_content"
22         android:layout_height="wrap_content"
23         android:text="确定"
24         />
25 </LinearLayout>

 1 package com.example.demo1;
 2 
 3 import android.app.Activity;
 4 import android.app.AlertDialog;
 5 import android.content.DialogInterface;
 6 import android.os.Bundle;
 7 import android.view.LayoutInflater;
 8 import android.view.View;
 9 import android.view.View.OnClickListener;
10 import android.widget.Button;
11 
12 public class MainActivity extends Activity {
13     private Button btn_openDialog;
14     private View view;
15     @Override
16     protected void onCreate(Bundle savedInstanceState) {
17         super.onCreate(savedInstanceState);
18         setContentView(R.layout.activity_main);
19         btn_openDialog = (Button) findViewById(R.id.id_submit);
20         btn_openDialog.setOnClickListener(new OnClickListener() {
21             
22             @Override
23             public void onClick(View v) {
24                 // TODO Auto-generated method stub
25                 view = LayoutInflater.from(MainActivity.this).inflate(R.layout.layout_dialog, null);
26                 AlertDialog dialog = new AlertDialog.Builder(MainActivity.this)
27                                      .setTitle("主题")
28                                      .setIcon(R.drawable.ic_launcher)
29                                      .setView(view)
30                                      .setPositiveButton("取消", new DialogInterface.OnClickListener() {
31                                         
32                                         @Override
33                                         public void onClick(DialogInterface dialog, int which) {
34                                             // TODO Auto-generated method stub
35                                             
36                                         }
37                                     })
38                                      .create();
39                 dialog.show();
40             }
41         });
42         
43         
44     }
45 
46     
47 
48 }