分享一个Android中Dialog的使用例子

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Android

1、新建工程：DialogTest

2、编写布局文件：

（1）、main.xml 代码如下：

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView 

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    android:text="@string/hello"

    />

    <Button

       android:id="@+id/button01"

       android:layout_width="fill_parent"

       android:layout_height="wrap_content"

       android:text="@string/button01"

    />

     <Button

       android:id="@+id/button02"

       android:layout_width="fill_parent"

       android:layout_height="wrap_content"

       android:text="@string/button02"

    />

     <Button

       android:id="@+id/button03"

       android:layout_width="fill_parent"

       android:layout_height="wrap_content"

       android:text="@string/button03"

    />

     <Button

       android:id="@+id/button04"

       android:layout_width="fill_parent"

       android:layout_height="wrap_content"

       android:text="@string/button04"

    />

</LinearLayout>

（2）alert_dialog_text_entry.xml 此部分布局是实现可以用户交互的。

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

  xmlns:android="http://schemas.android.com/apk/res/android"

  android:orientation="vertical"

  android:layout_width="fill_parent"

  android:layout_height="fill_parent">

    <TextView

      android:id="@+id/username_view"

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:layout_marginLeft="20dip"

      android:layout_marginRight="20dip"

      android:text="用户名"

      android:textAppearance="@android:style/TextAppearance.Medium"

    />

    <EditText

      android:id="@+id/username_edit"

      android:layout_width="fill_parent"

      android:layout_height="wrap_content"

      android:layout_marginLeft="20dip"

      android:layout_marginRight="20dip"

      android:capitalize="none"

      android:textAppearance="@android:style/TextAppearance.Medium"

    />

       <TextView

      android:id="@+id/password_view"

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:layout_marginLeft="20dip"

      android:layout_marginRight="20dip"

      android:text="密码"

      android:textAppearance="@android:style/TextAppearance.Medium"

    />

     <EditText

      android:id="@+id/password_edit"

      android:layout_width="fill_parent"

      android:layout_height="wrap_content"

      android:layout_marginLeft="20dip"

      android:layout_marginRight="20dip"

      android:capitalize="none"

      android:password="true"

      android:textAppearance="@android:style/TextAppearance.Medium"  

    />

</LinearLayout>

3、编写资源文件：strings.xml

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <string name="hello">对话框</string>

    <string name="app_name">Android Dialog</string>

    <string name="button01">两个button的对话框</string>

    <string name="button02">三个button的对话框</string>

    <string name="button03">可以进行输入的对话框</string>

    <string name="button04">进度框</string>

    <string name="alert_dialog_two_buttons_title">这是一个提示框，点击取消后可以返回。</string>

    <string name="alert_dialog_ok">确定</string>

    <string name="alert_dialog_cancle">取消</string>

    <string name="alert_dialog_three_buttons_title">标题部分</string>

    <string name="alert_dialog_three_buttons_msg">对于程序员或创业团队来说，还是有必要拥有一个属于自己的博客。

    Wordpress 曾经让个人或企业搭建博客变得非常容易。但是我们觉得 Wordpress

       还是有些重量级，所以选择了一个非常轻便的工具 toto，一段只有200多行代码的Ruby应用程序。</string>

       <string name="alert_dialog_something">进入详细</string>

       <string name="alert_diaog_text_entry">请输入</string>

</resources>

4、开发主逻辑代码：DialogTest.java

package com.dialogTest;
 
import com.listeview.R;
 
import android.app.Activity;

import android.app.AlertDialog;

import android.app.DatePickerDialog;

import android.app.Dialog;

import android.app.ProgressDialog;

import android.app.TimePickerDialog;

import android.app.AlertDialog.Builder;

import android.content.Context;

import android.content.DialogInterface;

import android.os.Bundle;

import android.text.method.CharacterPickerDialog;

import android.view.LayoutInflater;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;
 
public class DialogTest extends Activity {

    private static final int dialog4 = 4;

    private static final int dialog3 = 3;

    private static final int dialog2 = 2;

    private static final int dialog1 = 1;

    /** Called when the activity is first created. */

    private Button button01;

    private Button button02;

    private Button button03;

    private Button button04;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        button01=(Button)findViewById(R.id.button01);

        button02=(Button)findViewById(R.id.button02);

        button03=(Button)findViewById(R.id.button03);

        button04=(Button)findViewById(R.id.button04);

        button01.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                showDialog(dialog1);

            }

        });

        button02.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                showDialog(dialog2);

            }

        });

        button03.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                showDialog(dialog3);

            }

        });

        button04.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                showDialog(dialog4);

            }

        });

    }

    @Override

    protected Dialog onCreateDialog(int id) {

        // TODO Auto-generated method stub

        switch(id){

        case dialog1:

            return buildDialog1(DialogTest.this);

        case dialog2:

            return buildDialog2(DialogTest.this);

        case dialog3:

            return buildDialog3(DialogTest.this);

        case dialog4:

            return buildDialog4(DialogTest.this);

        }

        return null;

    }

    private Dialog buildDialog4(Context context) {

        ProgressDialog dialog=new ProgressDialog(context);

        dialog.setTitle("正在下载歌曲");

        dialog.setMessage("请稍候......");

        /*TimePickerDialog dialog=new TimePickerDialog(context, 0, null, 0, 0, false);

        dialog.setTitle("时钟");*/

        /*DatePickerDialog dialog=new DatePickerDialog(context, 0, null, 0, 0, 0);

        dialog.setTitle("日期");*/

        return dialog;

    }

    private Dialog buildDialog3(Context context) {

        LayoutInflater inflater=LayoutInflater.from(this);

        final View textEntryView=inflater.inflate(R.layout.alert_dialog_text_entry, null);

        AlertDialog.Builder builder=new AlertDialog.Builder(context);

        builder.setTitle(R.string.alert_diaog_text_entry);

        builder.setView(textEntryView); //关键

        builder.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                // TODO Auto-generated method stub

                setTitle("单击对话框上的确定按钮");

            }

        });

        builder.setNegativeButton(R.string.alert_dialog_cancle,new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                // TODO Auto-generated method stub

                setTitle("单击了对话框上的取消按钮");

            }

        });

        return builder.create();

    }

    private Dialog buildDialog2(Context context) {

        AlertDialog.Builder builder=new AlertDialog.Builder(context);

        builder.setTitle(R.string.alert_dialog_three_buttons_title);

        builder.setMessage(R.string.alert_dialog_three_buttons_msg);

        builder.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                // TODO Auto-generated method stub

                setTitle("单击对话框上的确定按钮");

            }

        });

        builder.setNeutralButton(R.string.alert_dialog_something, new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                // TODO Auto-generated method stub

                setTitle("点击了对话框上的进入详细按钮");

            }

        });

        builder.setNegativeButton(R.string.alert_dialog_cancle, new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                // TODO Auto-generated method stub

                setTitle("单击了对话框上的取消按钮");

            }

        });

        return builder.create();

    }

    private Dialog buildDialog1(Context context) {

        // TODO Auto-generated method stub

        AlertDialog.Builder builder=new AlertDialog.Builder(context);

        //builder.setIcon(R.drawable.icon);

        builder.setTitle(R.string.alert_dialog_two_buttons_title);

        builder.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                // TODO Auto-generated method stub

                setTitle("单击对话框上的确定按钮");

            }

        });

        builder.setNegativeButton(R.string.alert_dialog_cancle, new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                // TODO Auto-generated method stub

                setTitle("单击了对话框上的取消按钮");

            }

        });

        return builder.create();

    }
}