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云代码 - android代码库

AlertDialog的使用

2016-12-16 作者： cwm1996举报

[android]代码库

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package com.example.android_day13alertdialog;
 
import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.DialogInterface.OnMultiChoiceClickListener;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
 
public class MainActivity extends Activity implements OnClickListener{
 
    private Button bt1,bt2,bt3,bt4,bt5;
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initviews();
    }
    //初始化控件
    public void initviews(){
 
        bt1=(Button) findViewById(R.id.bt1);
        bt2=(Button) findViewById(R.id.bt2);
        bt3=(Button) findViewById(R.id.bt3);
        bt4=(Button) findViewById(R.id.bt4);
        bt5=(Button) findViewById(R.id.bt5);
        bt1.setOnClickListener(this);
        bt2.setOnClickListener(this);
        bt3.setOnClickListener(this);
        bt4.setOnClickListener(this);
        bt5.setOnClickListener(this);
    }
    //设置点击事件监听
    public void onClick(View v) {
 
        switch(v.getId()){
        case R.id.bt1:
            common();
            break;
        case R.id.bt2:
            item();
            break;
        case R.id.bt3:
            radiobutton();
            break;
        case R.id.bt4:
            checkbox();
            break;
        case R.id.bt5:
            custom();
            break;
        }      
    }
    /**
     * 普通文本框
     */
    public void common(){
        //创建对象
        Builder builder=new AlertDialog.Builder(this);
        //设置标题
        builder.setTitle("QQ");
        //设置图标
        builder.setIcon(R.drawable.qq);
        //设置内容
        builder.setMessage("是否确定退出QQ？");
        //设置确定按钮
        builder.setPositiveButton("是", new DialogInterface.OnClickListener() {         
            @Override
            public void onClick(DialogInterface dialog, int which) {               
                Toast.makeText(MainActivity.this, "欢迎下次进入QQ", Toast.LENGTH_SHORT).show();                              
            }
        })
        //设置取消按钮
        .setNegativeButton("否",new DialogInterface.OnClickListener() {         
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "继续运行QQ", Toast.LENGTH_SHORT).show();
            }
            //创建对话框create()，展示show()，关闭dismiss()。
        });
        AlertDialog dialog=builder.create();
                dialog.show();
    }
    /**
     * 列表选项卡
     */
    public void item(){
        final String[] str=new String[]{"选项一","选项二","选项三","选项四"};
        new AlertDialog.Builder(this)
        .setTitle("列表对话框")
        .setIcon(R.drawable.qq)
        .setItems(str, new DialogInterface.OnClickListener() {
 
            @Override
            public void onClick(DialogInterface dialog, int which) {               
                Toast.makeText(MainActivity.this, str[which], Toast.LENGTH_SHORT).show();                                              
            }
        })
        .setPositiveButton("是", new DialogInterface.OnClickListener() {        
            @Override
            public void onClick(DialogInterface dialog, int which) {               
                Toast.makeText(MainActivity.this, "欢迎下次进入QQ", Toast.LENGTH_SHORT).show();                              
            }
        })
        .setNegativeButton("否",new DialogInterface.OnClickListener() {         
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "继续运行QQ", Toast.LENGTH_SHORT).show();
            }
        }).create().show();
    }
    /**
     * 单选文本框
     */
    public void radiobutton(){
        final String[] str=new String[]{"选项一","选项二","选项三","选项四"};
        new AlertDialog.Builder(this)
        .setTitle("列表对话框")
        .setIcon(R.drawable.qq)
        .setSingleChoiceItems(str, 2, new DialogInterface.OnClickListener() {
 
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "您选了"+str[which],Toast.LENGTH_SHORT).show();
 
            }
        })
        .setPositiveButton("是", new DialogInterface.OnClickListener() {        
            @Override
            public void onClick(DialogInterface dialog, int which) {               
                Toast.makeText(MainActivity.this, "欢迎下次进入QQ", Toast.LENGTH_SHORT).show();                              
            }
        })
        .setNegativeButton("否",new DialogInterface.OnClickListener() {         
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "继续运行QQ", Toast.LENGTH_SHORT).show();
            }
        }).create().show();
    }
    /**
     * 多选文本框
     */
    public void checkbox(){
        final String[] str=new String[]{"选项一","选项二","选项三","选项四"};
        new AlertDialog.Builder(this)
        .setTitle("列表对话框")
        .setIcon(R.drawable.qq)
        .setMultiChoiceItems(str,null , new OnMultiChoiceClickListener() {
 
            @Override
            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                Toast.makeText(MainActivity.this, str[which]+"的状态为"+isChecked, Toast.LENGTH_SHORT).show();         
            }
        })
        .setPositiveButton("是", new DialogInterface.OnClickListener() {        
            @Override
            public void onClick(DialogInterface dialog, int which) {               
                Toast.makeText(MainActivity.this, "欢迎下次进入QQ", Toast.LENGTH_SHORT).show();                              
            }
        })
        .setNegativeButton("否",new DialogInterface.OnClickListener() {         
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "继续运行QQ", Toast.LENGTH_SHORT).show();
            }
        }).create().show();
    }
    /**
     * 自定义文本框
     */
    public void custom(){
        //      ImageView iv=new ImageView(MainActivity.this);
        //      iv.setImageResource(R.drawable.ic_launcher);
        View v=getLayoutInflater().inflate(R.layout.login, null);
        new AlertDialog.Builder(this)
        .setTitle("列表对话框")
        .setIcon(R.drawable.qq)
        .setView(v)
        .setPositiveButton("是", new DialogInterface.OnClickListener() {        
            @Override
            public void onClick(DialogInterface dialog, int which) {               
                Toast.makeText(MainActivity.this, "欢迎下次进入QQ", Toast.LENGTH_SHORT).show();                              
            }
        })
        .setNegativeButton("否",new DialogInterface.OnClickListener() {         
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(MainActivity.this, "继续运行QQ", Toast.LENGTH_SHORT).show();
            }
        }).setCancelable(false).create().show();
    }
 
 
 
}


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