Android RingtoneManager铃声管理-优快云博客

本文介绍了一个简单的Android应用，该应用允许用户通过按钮点击来设置不同的铃声类型，包括来电铃声、闹钟铃声及通知铃声。文章提供了完整的源代码及布局文件，展示了如何使用RingtoneManager进行铃声选择。

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package com.Aina.Android;
 
import java.io.File;
 
import android.app.Activity;

import android.content.Intent;

import android.media.RingtoneManager;

import android.net.Uri;

import android.os.Bundle;

import android.os.Environment;

import android.view.View;

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

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

    private Button btn1 = null;

    private Button btn2 = null;

    private Button btn3 = null;

    private static final int Ringtone = 0;

    private static final int Alarm = 1;

    private static final int Notification = 2;

    private static final String FileRingtone = Environment

            .getExternalStorageDirectory()

            + "/music/ringtones";

    private static final String FileAlarm = Environment

            .getExternalStorageDirectory()

            + "/music/alarms";

    private static final String FileNotification = Environment

            .getExternalStorageDirectory()

            + "/music/notifications";
 
    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        btn1 = (Button) this.findViewById(R.id.Button01);

        btn2 = (Button) this.findViewById(R.id.Button02);

        btn3 = (Button) this.findViewById(R.id.Button03);

        btn1.setOnClickListener(new Button.OnClickListener() {
 
            public void onClick(View arg0) {

                // TODO Auto-generated method stub

                if (isFile(FileRingtone)) {

                    // 打开系统铃声设置

                    Intent intent = new Intent(

                            RingtoneManager.ACTION_RINGTONE_PICKER);

                    // 设置类型为来电

                    intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE,

                            RingtoneManager.TYPE_RINGTONE);

                    // 设置显示的标题

                    intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE,

                            "设置来电铃声");

                    startActivityForResult(intent, Ringtone);

                }

            }
 
        });

        btn2.setOnClickListener(new Button.OnClickListener() {
 
            public void onClick(View v) {

                // TODO Auto-generated method stub

                if (isFile(FileAlarm)) {

                    Intent intent = new Intent(

                            RingtoneManager.ACTION_RINGTONE_PICKER);

                    intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE,

                            RingtoneManager.TYPE_ALARM);

                    intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE,

                            "设置闹钟铃声");

                    startActivityForResult(intent, Alarm);

                }

            }
 
        });

        btn3.setOnClickListener(new Button.OnClickListener() {
 
            public void onClick(View v) {

                // TODO Auto-generated method stub

                if (isFile(FileNotification)) {

                    Intent intent = new Intent(

                            RingtoneManager.ACTION_RINGTONE_PICKER);

                    intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE,

                            RingtoneManager.TYPE_NOTIFICATION);

                    intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE,

                            "设置通知铃声");

                    startActivityForResult(intent, Notification);

                }
 
            }
 
        });

    }
 
    /**

     * 设置铃声之后的回调函数

     */

    @Override

    protected void onActivityResult(int requestCode, int resultCode, Intent data) {

        super.onActivityResult(requestCode, resultCode, data);

        if (resultCode != RESULT_OK) {

            return;

        } else {

            // 得到我们选择的铃声

            Uri uri = data

                    .getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI);

            if (uri != null) {

                switch (requestCode) {

                case Ringtone:

                    RingtoneManager.setActualDefaultRingtoneUri(this,

                            RingtoneManager.TYPE_RINGTONE, uri);

                    break;

                case Alarm:

                    RingtoneManager.setActualDefaultRingtoneUri(this,

                            RingtoneManager.TYPE_ALARM, uri);

                    break;

                case Notification:

                    RingtoneManager.setActualDefaultRingtoneUri(this,

                            RingtoneManager.TYPE_NOTIFICATION, uri);

                    break;

                default:

                    break;

                }

            }
 
        }

    }
 
    /**

     * 判断文件是否存在，不存在则创建.

     *

     * @param path

     * @return

     */

    private boolean isFile(String path) {

        boolean b = false;

        File f = new File(path);

        if (f.exists()) {

            b = true;

        } else {

            if (f.mkdirs()) {

                b = true;

            } else {

                b = false;

            }

        }

        return b;

    }
}

<?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:text="设置来电铃声" android:id="@+id/Button01"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content">

    </Button>

    <Button android:text="设置闹钟铃声" android:id="@+id/Button02"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content">

    </Button>

    <Button android:text="设置通知铃声" android:id="@+id/Button03"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content">

    </Button>

</LinearLayout>

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

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

      package="com.Aina.Android"

      android:versionCode="1"

      android:versionName="1.0">

    <application android:icon="@drawable/icon" android:label="@string/app_name">

        <activity android:name=".Test"

                  android:label="@string/app_name">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>
 
    </application>

<uses-permission android:name="android.permission.INTERNET" />

<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
 
</manifest>

本文转自java豆子博客园博客，原文链接：http://www.cnblogs.com/error404/archive/2011/08/04/2127233.html，如需转载请自行联系原作者