android_22_AlertDialog

效果:

 

布局:

<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: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.sg31.alertdialog.MainActivity" 
    android:orientation="vertical"
    >

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="确定取消对话框" 
        android:onClick="confirm_cancel_btnClicked"
        />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="单选对话框" 
        android:onClick="singleChoiceBtnClicked"
        />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="多选对话框" 
        android:onClick="multipleChoiceBtnClicked"
        />

    

</LinearLayout>

代码:

package com.sg31.alertdialog;

import android.support.v7.app.ActionBarActivity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnMultiChoiceClickListener;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;


public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }


    @Override
    public 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;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
    
    

    
    
    public void confirm_cancel_btnClicked(View v){
        AlertDialog.Builder builder = new Builder(this);
        //设置图标
        //builder.setIcon(android.R.drawable.alert_dark_frame);
        builder.setIcon(R.drawable.appicon);
        //设置标题
        builder.setTitle("帅哥日语");
        //设置文本
        builder.setMessage("是否购买VIP?");
        
        //设置确定按钮
        builder.setPositiveButton("确定", new OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "支付成功", 0).show();
            }
        });
        
        //设置取消按钮
        builder.setNegativeButton("取消", new OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "支付失败", 0).show();
            }
        });
        //使用创建器,生成一个对话框对象
        AlertDialog dialog = builder.create();
        dialog.show();
    }
    
    public void singleChoiceBtnClicked(View v){
        AlertDialog.Builder builder = new Builder(this);
        builder.setTitle("请选择性别");
        final String[] items = new String[]{
            "男",
            "女",
            "保密"
        };
        
        builder.setSingleChoiceItems(items, -1, new OnClickListener() {
            
            //which:用户所选的条目的下标
            //dialog:触发这个方法的对话框
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "您选择的是:" + items[which], 0).show();
                //关闭对话框
                dialog.dismiss();
            }
        });
        builder.show();
    }
    
    public void multipleChoiceBtnClicked(View v){
        AlertDialog.Builder builder = new Builder(this);
        builder.setTitle("请选择要一键翻译的语言");
        final String[] items = new String[]{
            "中文",
            "英语",
            "日语",
            "韩语",
            "泰语",
            "阿拉伯语"
        };
        final boolean[] checkedItems = new boolean[]{
            true,
            true,
            false,
            false,
            false,
            false
            
        };
        
        builder.setMultiChoiceItems(items, checkedItems, new OnMultiChoiceClickListener() {
            
            //which:用户点击的条目的下标
            //isChecked:用户是选中该条目还是取消该条目
            @Override
            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                checkedItems[which] = isChecked;
                
            }
        });
        
        //设置一个确定按钮
        builder.setPositiveButton("确定", new OnClickListener() {
            
            @Override
            public void onClick(DialogInterface dialog, int which) {
                String text = "";
                for(int i = 0; i < 6; i++){
                    text += checkedItems[i]? items[i] + "," : "";
                }
                // 截取最后一个,
                text = text.substring(0, text.length()-1);
                Toast.makeText(MainActivity.this, text, 0).show();
                dialog.dismiss();
            }
        });
        builder.show();
    }
    
}