AlertDialog 用法大全

Posted 2022-12-09 摘星猿

AlertDialog 使用大全（API Sample）

1、从api sample 中取出来的代码 包括了 AlertDialog 的基本用法

package com.zhx.customscrollview;

import java.util.ArrayList;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

/**
 * 
 * 希望有一天可以开源出来 org.zhx
 * 
 * @version 1.0, 2016-2-2 下午10:41:13
 * @author zhx
 */
public class MainDialog extends Activity implements Runnable 

    /** 确定取消信息框 **/
    private static final int DIALOG_0 = 1;
    /** 多个按钮信息框 **/
    private static final int DIALOG_1 = 2;
    /** 列表框 **/
    private static final int DIALOG_2 = 3;
    /** 进度条框 **/
    private static final int DIALOG_3 = 4;
    /** 单项选择列表框 **/
    private static final int DIALOG_4 = 5;
    /** 多项选择列表框 **/
    private static final int DIALOG_5 = 6;
    /** 自定义布局 **/
    private static final int DIALOG_6 = 7;
    /** 读取进度框 **/
    private static final int DIALOG_7 = 8;

    private static final int DIALOG_8 = 9;

    private static final int MAX_PROGRESS = 100;

    private ProgressDialog mProgressDialog = null;

    final String[] mItems =  "item0", "item1", "itme2", "item3", "itme4",
            "item5", "item6" ;

    int mSingleChoiceID = -1;

    ArrayList<Integer> MultiChoiceID = new ArrayList<Integer>();

    @Override
    public void onCreate(Bundle savedInstanceState) 
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button button0 = (Button) findViewById(R.id.button0);
        button0.setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_0);
            
        );

        Button button1 = (Button) findViewById(R.id.button1);
        button1.setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_1);
            
        );

        Button button2 = (Button) findViewById(R.id.button2);
        button2.setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_2);
            
        );

        Button button3 = (Button) findViewById(R.id.button3);
        button3.setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_3);
                mProgressDialog.setProgress(0);
            
        );

        Button button4 = (Button) findViewById(R.id.button4);
        button4.setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_4);
            
        );
        findViewById(R.id.button8).setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_8);
            
        );

        Button button5 = (Button) findViewById(R.id.button5);
        button5.setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_5);
            
        );

        Button button6 = (Button) findViewById(R.id.button6);
        button6.setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_6);
            
        );

        Button button7 = (Button) findViewById(R.id.button7);
        button7.setOnClickListener(new OnClickListener() 
            public void onClick(View v) 
                CreatDialog(DIALOG_7);
            
        );
    

    public void CreatDialog(int id) 
        AlertDialog.Builder builder = new AlertDialog.Builder(MainDialog.this);
        switch (id) 
        case DIALOG_0:
            builder.setIcon(R.drawable.ic_launcher);
            builder.setTitle("你确定要离开吗？");
            builder.setPositiveButton("确定",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            // 这里添加点击确定后的逻辑
                            showDialog("你选择了确定");
                        
                    );
            builder.setNegativeButton("取消",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            // 这里添加点击确定后的逻辑
                            showDialog("你选择了取消");
                        
                    );
            break;
        case DIALOG_1:
            builder.setIcon(R.drawable.ic_launcher);
            builder.setTitle("投票");
            builder.setMessage("您认为什么样的内容能吸引您？");
            builder.setPositiveButton("有趣味的",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            showDialog("你选择了有趣味的");
                        
                    );
            builder.setNeutralButton("有思想的",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            showDialog("你选择了有思想的");
                        
                    );
            builder.setNegativeButton("主题强的",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            showDialog("你选择了主题强的");
                        
                    );
            break;
        case DIALOG_2:
            builder.setTitle("列表选择框");
            builder.setItems(mItems, new DialogInterface.OnClickListener() 
                public void onClick(DialogInterface dialog, int which) 
                    // 点击后弹出窗口选择了第几项
                    showDialog("你选择的id为" + which + " , " + mItems[which]);
                
            );
            break;
        case DIALOG_3:
            mProgressDialog = new ProgressDialog(MainDialog.this);
            mProgressDialog.setIcon(R.drawable.ic_launcher);
            mProgressDialog.setTitle("进度条窗口");
            mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
            mProgressDialog.setMax(MAX_PROGRESS);
            mProgressDialog.setButton("确定",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            // 这里添加点击后的逻辑
                        
                    );
            mProgressDialog.setButton2("取消",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            // 这里添加点击后的逻辑
                        
                    );
            mProgressDialog.show();
            new Thread(this).start();
            return;
        case DIALOG_4:
            mSingleChoiceID = -1;
            builder.setIcon(R.drawable.ic_launcher);
            builder.setTitle("单项选择");
            builder.setSingleChoiceItems(mItems, 0,
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            mSingleChoiceID = whichButton;
                            showDialog("你选择的id为" + whichButton + " , "
                                    + mItems[whichButton]);
                        
                    );
            builder.setPositiveButton("确定",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            if (mSingleChoiceID > 0) 
                                showDialog("你选择的是" + mSingleChoiceID);
                            
                        
                    );
            builder.setNegativeButton("取消",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 

                        
                    );
            break;
        case DIALOG_5:
            MultiChoiceID.clear();
            builder.setIcon(R.drawable.ic_launcher);
            builder.setTitle("多项选择");
            builder.setMultiChoiceItems(mItems, new boolean[]  false, false,
                    false, false, false, false, false ,
                    new DialogInterface.OnMultiChoiceClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton, boolean isChecked) 
                            if (isChecked) 
                                MultiChoiceID.add(whichButton);
                                showDialog("你选择的id为" + whichButton + " , "
                                        + mItems[whichButton]);
                             else 
                                MultiChoiceID.remove(whichButton);
                            

                        
                    );
            builder.setPositiveButton("确定",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 
                            String str = "";
                            int size = MultiChoiceID.size();
                            for (int i = 0; i < size; i++) 
                                str += mItems[MultiChoiceID.get(i)] + ", ";
                            
                            showDialog("你选择的是" + str);
                        
                    );
            builder.setNegativeButton("取消",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 

                        
                    );
            break;
        case DIALOG_6:
            LayoutInflater factory = LayoutInflater.from(this);
            final View textEntryView = factory.inflate(R.layout.test, null);
            builder.setIcon(R.drawable.ic_launcher);
            builder.setTitle("自定义输入框");
            builder.setView(textEntryView);
            builder.setPositiveButton("确定",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 

                            EditText userName = (EditText) textEntryView
                                    .findViewById(R.id.etUserName);
                            EditText password = (EditText) textEntryView
                                    .findViewById(R.id.etPassWord);
                            showDialog("姓名 ：" + userName.getText().toString()
                                    + "密码：" + password.getText().toString());
                        
                    );
            builder.setNegativeButton("取消",
                    new DialogInterface.OnClickListener() 
                        public void onClick(DialogInterface dialog,
                                int whichButton) 

                        
                    );
            break;
        case DIALOG_8:
            builder.setItems(mItems, new DialogInterface.OnClickListener() 
                public void onClick(DialogInterface dialog, int which) 
                    // 点击后弹出窗口选择了第几项
                    showDialog("你选择的id为" + which + " , " + mItems[which]);
                
            );
            break;
        case DIALOG_7:
            mProgressDialog = new ProgressDialog(this);
            mProgressDialog.setTitle("读取ing");
            mProgressDialog.setMessage("正在读取中请稍候");
            mProgressDialog.setIndeterminate(true);
            mProgressDialog.setCancelable(true);
            mProgressDialog.show();
            return;
        
        builder.create().show();
    

    private void showDialog(String str) 
        new AlertDialog.Builder(MainDialog.this).setMessage(str).show();
    

    @Override
    public void run() 
        int Progress = 0;
        while (Progress < MAX_PROGRESS) 
            try 
                Thread.sleep(100);
                Progress++;
                mProgressDialog.incrementProgressBy(1);
             catch (InterruptedException e) 
                // TODO Auto-generated catch block
                e.printStackTrace();
            

        

    

2 、配置文件 xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/screen"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical" >

        <ImageView
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:src="@drawable/ic_launcher" />

        <Button
            android:id="@+id/button0"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="确定取消信息框" />

        <Button
            android:id="@+id/button1"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="多个按钮信息框" />

        <Button
            android:id="@+id/button2"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="列表框" />

        <Button
            android:id="@+id/button3"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="进度条框" />

        <Button
            android:id="@+id/button4"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="单项选择列表框" />

        <Button
            android:id="@+id/button5"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="多项选择列表框" />

        <Button
            android:id="@+id/button6"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="自定义布局" />

        <Button
            android:id="@+id/button7"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="读取进度框" />

        <Button
            android:id="@+id/button8"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="没有title" />
    </LinearLayout>

</ScrollView>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="wrap_content" 
android:layout_width="wrap_content"
android:orientation="horizontal"
android:id="@+id/dialog">
<LinearLayout
android:layout_height="wrap_content" 
android:layout_width="wrap_content"
android:orientation="horizontal"
android:id="@+id/dialogname">

<TextView android:layout_height="wrap_content"
   android:layout_width="wrap_content"
  android:id="@+id/tvUserName" 
  android:text="姓名：" />
<EditText android:layout_height="wrap_content"
  android:layout_width="wrap_content" 
  android:id="@+id/etUserName" 
  android:minWidth="200dip"/>
</LinearLayout>  
<LinearLayout
android:layout_height="wrap_content" 
android:layout_width="wrap_content"
android:orientation="horizontal"
android:id="@+id/dialognum"
 android:layout_below="@+id/dialogname"
>
  <TextView android:layout_height="wrap_content"
   android:layout_width="wrap_content"
  android:id="@+id/tvPassWord" 
  android:text="密码：" />
<EditText android:layout_height="wrap_content"
  android:layout_width="wrap_content" 
  android:id="@+id/etPassWord" 
  android:minWidth="200dip"/>
 </LinearLayout>  
  </RelativeLayout>

地址 https://github.com/zhoulinxue/AlertDialog.git