Android RingtoneManager 铃声管理

    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;
        }
    }  

Java代码  收藏代码

    <?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>  

Java代码  收藏代码

        <?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>