/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.media; import com.android.internal.database.SortCursor; import android.annotation.SdkConstant; import android.annotation.SdkConstant.SdkConstantType; import android.app.Activity; import android.content.ContentUris; import android.content.Context; import android.content.res.AssetFileDescriptor; import android.database.Cursor; import android.net.Uri; import android.os.Environment; import android.provider.MediaStore; import android.provider.Settings; import android.provider.Settings.System; import android.util.Log; import java.util.ArrayList; import java.util.List; /** * RingtoneManager provides access to ringtones, notification, and other types * of sounds. It manages querying the different media providers and combines the * results into a single cursor. It also provides a {@link Ringtone} for each * ringtone. We generically call these sounds ringtones, however the * {@link #TYPE_RINGTONE} refers to the type of sounds that are suitable for the * phone ringer. *

* To show a ringtone picker to the user, use the * {@link #ACTION_RINGTONE_PICKER} intent to launch the picker as a subactivity. * * @see Ringtone */ public class RingtoneManager { private static final String TAG = "RingtoneManager"; // Make sure these are in sync with attrs.xml: // /** * Type that refers to sounds that are used for the phone ringer. */ public static final int TYPE_RINGTONE = 1; /** * Type that refers to sounds that are used for notifications. */ public static final int TYPE_NOTIFICATION = 2; /** * Type that refers to sounds that are used for the alarm. */ public static final int TYPE_ALARM = 4; /** * All types of sounds. */ public static final int TYPE_ALL = TYPE_RINGTONE | TYPE_NOTIFICATION | TYPE_ALARM; // /** * Activity Action: Shows a ringtone picker. *

* Input: {@link #EXTRA_RINGTONE_EXISTING_URI}, * {@link #EXTRA_RINGTONE_SHOW_DEFAULT}, * {@link #EXTRA_RINGTONE_SHOW_SILENT}, {@link #EXTRA_RINGTONE_TYPE}, * {@link #EXTRA_RINGTONE_DEFAULT_URI}, {@link #EXTRA_RINGTONE_TITLE}, *

* Output: {@link #EXTRA_RINGTONE_PICKED_URI}. */ @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) public static final String ACTION_RINGTONE_PICKER = "android.intent.action.RINGTONE_PICKER"; /** * Given to the ringtone picker as a boolean. Whether to show an item for * "Default". * * @see #ACTION_RINGTONE_PICKER */ public static final String EXTRA_RINGTONE_SHOW_DEFAULT = "android.intent.extra.ringtone.SHOW_DEFAULT"; /** * Given to the ringtone picker as a boolean. Whether to show an item for * "Silent". If the "Silent" item is picked, * {@link #EXTRA_RINGTONE_PICKED_URI} will be null. * * @see #ACTION_RINGTONE_PICKER */ public static final String EXTRA_RINGTONE_SHOW_SILENT = "android.intent.extra.ringtone.SHOW_SILENT"; /** * Given to the ringtone picker as a boolean. Whether to include DRM ringtones. * @deprecated DRM ringtones are no longer supported */ @Deprecated public static final String EXTRA_RINGTONE_INCLUDE_DRM = "android.intent.extra.ringtone.INCLUDE_DRM"; /** * Given to the ringtone picker as a {@link Uri}. The {@link Uri} of the * current ringtone, which will be used to show a checkmark next to the item * for this {@link Uri}. If showing an item for "Default" (@see * {@link #EXTRA_RINGTONE_SHOW_DEFAULT}), this can also be one of * {@link System#DEFAULT_RINGTONE_URI}, * {@link System#DEFAULT_NOTIFICATION_URI}, or * {@link System#DEFAULT_ALARM_ALERT_URI} to have the "Default" item * checked. * * @see #ACTION_RINGTONE_PICKER */ public static final String EXTRA_RINGTONE_EXISTING_URI = "android.intent.extra.ringtone.EXISTING_URI"; /** * Given to the ringtone picker as a {@link Uri}. The {@link Uri} of the * ringtone to play when the user attempts to preview the "Default" * ringtone. This can be one of {@link System#DEFAULT_RINGTONE_URI}, * {@link System#DEFAULT_NOTIFICATION_URI}, or * {@link System#DEFAULT_ALARM_ALERT_URI} to have the "Default" point to * the current sound for the given default sound type. If you are showing a * ringtone picker for some other type of sound, you are free to provide any * {@link Uri} here. */ public static final String EXTRA_RINGTONE_DEFAULT_URI = "android.intent.extra.ringtone.DEFAULT_URI"; /** * Given to the ringtone picker as an int. Specifies which ringtone type(s) should be * shown in the picker. One or more of {@link #TYPE_RINGTONE}, * {@link #TYPE_NOTIFICATION}, {@link #TYPE_ALARM}, or {@link #TYPE_ALL} * (bitwise-ored together). */ public static final String EXTRA_RINGTONE_TYPE = "android.intent.extra.ringtone.TYPE"; /** * Given to the ringtone picker as a {@link CharSequence}. The title to * show for the ringtone picker. This has a default value that is suitable * in most cases. */ public static final String EXTRA_RINGTONE_TITLE = "android.intent.extra.ringtone.TITLE"; /** * Returned from the ringtone picker as a {@link Uri}. *

* It will be one of: *

  • the picked ringtone, *
  • a {@link Uri} that equals {@link System#DEFAULT_RINGTONE_URI}, * {@link System#DEFAULT_NOTIFICATION_URI}, or * {@link System#DEFAULT_ALARM_ALERT_URI} if the default was chosen, *
  • null if the "Silent" item was picked. * * @see #ACTION_RINGTONE_PICKER */ public static final String EXTRA_RINGTONE_PICKED_URI = "android.intent.extra.ringtone.PICKED_URI"; // Make sure the column ordering and then ..._COLUMN_INDEX are in sync private static final String[] INTERNAL_COLUMNS = new String[] { MediaStore.Audio.Media._ID, MediaStore.Audio.Media.TITLE, "\"" + MediaStore.Audio.Media.INTERNAL_CONTENT_URI + "\"", MediaStore.Audio.Media.TITLE_KEY }; private static final String[] MEDIA_COLUMNS = new String[] { MediaStore.Audio.Media._ID, MediaStore.Audio.Media.TITLE, "\"" + MediaStore.Audio.Media.EXTERNAL_CONTENT_URI + "\"", MediaStore.Audio.Media.TITLE_KEY }; /** * The column index (in the cursor returned by {@link #getCursor()} for the * row ID. */ public static final int ID_COLUMN_INDEX = 0; /** * The column index (in the cursor returned by {@link #getCursor()} for the * title. */ public static final int TITLE_COLUMN_INDEX = 1; /** * The column index (in the cursor returned by {@link #getCursor()} for the * media provider's URI. */ public static final int URI_COLUMN_INDEX = 2; private Activity mActivity; private Context mContext; private Cursor mCursor; private int mType = TYPE_RINGTONE; /** * If a column (item from this list) exists in the Cursor, its value must * be true (value of 1) for the row to be returned. */ private final List mFilterColumns = new ArrayList(); private boolean mStopPreviousRingtone = true; private Ringtone mPreviousRingtone; /** * Constructs a RingtoneManager. This constructor is recommended as its * constructed instance manages cursor(s). * * @param activity The activity used to get a managed cursor. */ public RingtoneManager(Activity activity) { mContext = mActivity = activity; setType(mType); } /** * Constructs a RingtoneManager. The instance constructed by this * constructor will not manage the cursor(s), so the client should handle * this itself. * * @param context The context to used to get a cursor. */ public RingtoneManager(Context context) { mContext = context; setType(mType); } /** * Sets which type(s) of ringtones will be listed by this. * * @param type The type(s), one or more of {@link #TYPE_RINGTONE}, * {@link #TYPE_NOTIFICATION}, {@link #TYPE_ALARM}, * {@link #TYPE_ALL}. * @see #EXTRA_RINGTONE_TYPE */ public void setType(int type) { if (mCursor != null) { throw new IllegalStateException( "Setting filter columns should be done before querying for ringtones."); } mType = type; setFilterColumnsList(type); } /** * Infers the playback stream type based on what type of ringtones this * manager is returning. * * @return The stream type. */ public int inferStreamType() { switch (mType) { case TYPE_ALARM: return AudioManager.STREAM_ALARM; case TYPE_NOTIFICATION: return AudioManager.STREAM_NOTIFICATION; default: return AudioManager.STREAM_RING; } } /** * Whether retrieving another {@link Ringtone} will stop playing the * previously retrieved {@link Ringtone}. *

    * If this is false, make sure to {@link Ringtone#stop()} any previous * ringtones to free resources. * * @param stopPreviousRingtone If true, the previously retrieved * {@link Ringtone} will be stopped. */ public void setStopPreviousRingtone(boolean stopPreviousRingtone) { mStopPreviousRingtone = stopPreviousRingtone; } /** * @see #setStopPreviousRingtone(boolean) */ public boolean getStopPreviousRingtone() { return mStopPreviousRingtone; } /** * Stops playing the last {@link Ringtone} retrieved from this. */ public void stopPreviousRingtone() { if (mPreviousRingtone != null) { mPreviousRingtone.stop(); } } /** * Returns whether DRM ringtones will be included. * * @return Whether DRM ringtones will be included. * @see #setIncludeDrm(boolean) * Obsolete - always returns false * @deprecated DRM ringtones are no longer supported */ @Deprecated public boolean getIncludeDrm() { return false; } /** * Sets whether to include DRM ringtones. * * @param includeDrm Whether to include DRM ringtones. * Obsolete - no longer has any effect * @deprecated DRM ringtones are no longer supported */ @Deprecated public void setIncludeDrm(boolean includeDrm) { if (includeDrm) { Log.w(TAG, "setIncludeDrm no longer supported"); } } /** * Returns a {@link Cursor} of all the ringtones available. The returned * cursor will be the same cursor returned each time this method is called, * so do not {@link Cursor#close()} the cursor. The cursor can be * {@link Cursor#deactivate()} safely. *

    * If {@link RingtoneManager#RingtoneManager(Activity)} was not used, the * caller should manage the returned cursor through its activity's life * cycle to prevent leaking the cursor. * * @return A {@link Cursor} of all the ringtones available. * @see #ID_COLUMN_INDEX * @see #TITLE_COLUMN_INDEX * @see #URI_COLUMN_INDEX */ public Cursor getCursor() { if (mCursor != null && mCursor.requery()) { return mCursor; } final Cursor internalCursor = getInternalRingtones(); final Cursor mediaCursor = getMediaRingtones(); return mCursor = new SortCursor(new Cursor[] { internalCursor, mediaCursor }, MediaStore.Audio.Media.DEFAULT_SORT_ORDER); } /** * Gets a {@link Ringtone} for the ringtone at the given position in the * {@link Cursor}. * * @param position The position (in the {@link Cursor}) of the ringtone. * @return A {@link Ringtone} pointing to the ringtone. */ public Ringtone getRingtone(int position) { if (mStopPreviousRingtone && mPreviousRingtone != null) { mPreviousRingtone.stop(); } mPreviousRingtone = getRingtone(mContext, getRingtoneUri(position), inferStreamType()); return mPreviousRingtone; } /** * Gets a {@link Uri} for the ringtone at the given position in the {@link Cursor}. * * @param position The position (in the {@link Cursor}) of the ringtone. * @return A {@link Uri} pointing to the ringtone. */ public Uri getRingtoneUri(int position) { // use cursor directly instead of requerying it, which could easily // cause position to shuffle. if (mCursor == null || !mCursor.moveToPosition(position)) { return null; } return getUriFromCursor(mCursor); } private static Uri getUriFromCursor(Cursor cursor) { return ContentUris.withAppendedId(Uri.parse(cursor.getString(URI_COLUMN_INDEX)), cursor .getLong(ID_COLUMN_INDEX)); } /** * Gets the position of a {@link Uri} within this {@link RingtoneManager}. * * @param ringtoneUri The {@link Uri} to retreive the position of. * @return The position of the {@link Uri}, or -1 if it cannot be found. */ public int getRingtonePosition(Uri ringtoneUri) { if (ringtoneUri == null) return -1; final Cursor cursor = getCursor(); final int cursorCount = cursor.getCount(); if (!cursor.moveToFirst()) { return -1; } // Only create Uri objects when the actual URI changes Uri currentUri = null; String previousUriString = null; for (int i = 0; i < cursorCount; i++) { String uriString = cursor.getString(URI_COLUMN_INDEX); if (currentUri == null || !uriString.equals(previousUriString)) { currentUri = Uri.parse(uriString); } if (ringtoneUri.equals(ContentUris.withAppendedId(currentUri, cursor .getLong(ID_COLUMN_INDEX)))) { return i; } cursor.move(1); previousUriString = uriString; } return -1; } /** * Returns a valid ringtone URI. No guarantees on which it returns. If it * cannot find one, returns null. * * @param context The context to use for querying. * @return A ringtone URI, or null if one cannot be found. */ public static Uri getValidRingtoneUri(Context context) { final RingtoneManager rm = new RingtoneManager(context); Uri uri = getValidRingtoneUriFromCursorAndClose(context, rm.getInternalRingtones()); if (uri == null) { uri = getValidRingtoneUriFromCursorAndClose(context, rm.getMediaRingtones()); } return uri; } private static Uri getValidRingtoneUriFromCursorAndClose(Context context, Cursor cursor) { if (cursor != null) { Uri uri = null; if (cursor.moveToFirst()) { uri = getUriFromCursor(cursor); } cursor.close(); return uri; } else { return null; } } private Cursor getInternalRingtones() { return query( MediaStore.Audio.Media.INTERNAL_CONTENT_URI, INTERNAL_COLUMNS, constructBooleanTrueWhereClause(mFilterColumns), null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER); } private Cursor getMediaRingtones() { // Get the external media cursor. First check to see if it is mounted. final String status = Environment.getExternalStorageState(); return (status.equals(Environment.MEDIA_MOUNTED) || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY)) ? query( MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, MEDIA_COLUMNS, constructBooleanTrueWhereClause(mFilterColumns), null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER) : null; } private void setFilterColumnsList(int type) { List columns = mFilterColumns; columns.clear(); if ((type & TYPE_RINGTONE) != 0) { columns.add(MediaStore.Audio.AudioColumns.IS_RINGTONE); } if ((type & TYPE_NOTIFICATION) != 0) { columns.add(MediaStore.Audio.AudioColumns.IS_NOTIFICATION); } if ((type & TYPE_ALARM) != 0) { columns.add(MediaStore.Audio.AudioColumns.IS_ALARM); } } /** * Constructs a where clause that consists of at least one column being 1 * (true). This is used to find all matching sounds for the given sound * types (ringtone, notifications, etc.) * * @param columns The columns that must be true. * @return The where clause. */ private static String constructBooleanTrueWhereClause(List columns) { if (columns == null) return null; StringBuilder sb = new StringBuilder(); sb.append("("); for (int i = columns.size() - 1; i >= 0; i--) { sb.append(columns.get(i)).append("=1 or "); } if (columns.size() > 0) { // Remove last ' or ' sb.setLength(sb.length() - 4); } sb.append(")"); return sb.toString(); } private Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { if (mActivity != null) { return mActivity.managedQuery(uri, projection, selection, selectionArgs, sortOrder); } else { return mContext.getContentResolver().query(uri, projection, selection, selectionArgs, sortOrder); } } /** * Returns a {@link Ringtone} for a given sound URI. *

    * If the given URI cannot be opened for any reason, this method will * attempt to fallback on another sound. If it cannot find any, it will * return null. * * @param context A context used to query. * @param ringtoneUri The {@link Uri} of a sound or ringtone. * @return A {@link Ringtone} for the given URI, or null. */ public static Ringtone getRingtone(final Context context, Uri ringtoneUri) { // Don't set the stream type return getRingtone(context, ringtoneUri, -1); } /** * Returns a {@link Ringtone} for a given sound URI on the given stream * type. Normally, if you change the stream type on the returned * {@link Ringtone}, it will re-create the {@link MediaPlayer}. This is just * an optimized route to avoid that. * * @param streamType The stream type for the ringtone, or -1 if it should * not be set (and the default used instead). * @see #getRingtone(Context, Uri) */ private static Ringtone getRingtone(final Context context, Uri ringtoneUri, int streamType) { try { final Ringtone r = new Ringtone(context, true); if (streamType >= 0) { r.setStreamType(streamType); } r.setUri(ringtoneUri); return r; } catch (Exception ex) { Log.e(TAG, "Failed to open ringtone " + ringtoneUri + ": " + ex); } return null; } /** * Gets the current default sound's {@link Uri}. This will give the actual * sound {@link Uri}, instead of using this, most clients can use * {@link System#DEFAULT_RINGTONE_URI}. * * @param context A context used for querying. * @param type The type whose default sound should be returned. One of * {@link #TYPE_RINGTONE}, {@link #TYPE_NOTIFICATION}, or * {@link #TYPE_ALARM}. * @return A {@link Uri} pointing to the default sound for the sound type. * @see #setActualDefaultRingtoneUri(Context, int, Uri) */ public static Uri getActualDefaultRingtoneUri(Context context, int type) { String setting = getSettingForType(type); if (setting == null) return null; final String uriString = Settings.System.getString(context.getContentResolver(), setting); return uriString != null ? Uri.parse(uriString) : null; } /** * Sets the {@link Uri} of the default sound for a given sound type. * * @param context A context used for querying. * @param type The type whose default sound should be set. One of * {@link #TYPE_RINGTONE}, {@link #TYPE_NOTIFICATION}, or * {@link #TYPE_ALARM}. * @param ringtoneUri A {@link Uri} pointing to the default sound to set. * @see #getActualDefaultRingtoneUri(Context, int) */ public static void setActualDefaultRingtoneUri(Context context, int type, Uri ringtoneUri) { String setting = getSettingForType(type); if (setting == null) return; Settings.System.putString(context.getContentResolver(), setting, ringtoneUri != null ? ringtoneUri.toString() : null); } private static String getSettingForType(int type) { if ((type & TYPE_RINGTONE) != 0) { return Settings.System.RINGTONE; } else if ((type & TYPE_NOTIFICATION) != 0) { return Settings.System.NOTIFICATION_SOUND; } else if ((type & TYPE_ALARM) != 0) { return Settings.System.ALARM_ALERT; } else { return null; } } /** * Returns whether the given {@link Uri} is one of the default ringtones. * * @param ringtoneUri The ringtone {@link Uri} to be checked. * @return Whether the {@link Uri} is a default. */ public static boolean isDefault(Uri ringtoneUri) { return getDefaultType(ringtoneUri) != -1; } /** * Returns the type of a default {@link Uri}. * * @param defaultRingtoneUri The default {@link Uri}. For example, * {@link System#DEFAULT_RINGTONE_URI}, * {@link System#DEFAULT_NOTIFICATION_URI}, or * {@link System#DEFAULT_ALARM_ALERT_URI}. * @return The type of the defaultRingtoneUri, or -1. */ public static int getDefaultType(Uri defaultRingtoneUri) { if (defaultRingtoneUri == null) { return -1; } else if (defaultRingtoneUri.equals(Settings.System.DEFAULT_RINGTONE_URI)) { return TYPE_RINGTONE; } else if (defaultRingtoneUri.equals(Settings.System.DEFAULT_NOTIFICATION_URI)) { return TYPE_NOTIFICATION; } else if (defaultRingtoneUri.equals(Settings.System.DEFAULT_ALARM_ALERT_URI)) { return TYPE_ALARM; } else { return -1; } } /** * Returns the {@link Uri} for the default ringtone of a particular type. * Rather than returning the actual ringtone's sound {@link Uri}, this will * return the symbolic {@link Uri} which will resolved to the actual sound * when played. * * @param type The ringtone type whose default should be returned. * @return The {@link Uri} of the default ringtone for the given type. */ public static Uri getDefaultUri(int type) { if ((type & TYPE_RINGTONE) != 0) { return Settings.System.DEFAULT_RINGTONE_URI; } else if ((type & TYPE_NOTIFICATION) != 0) { return Settings.System.DEFAULT_NOTIFICATION_URI; } else if ((type & TYPE_ALARM) != 0) { return Settings.System.DEFAULT_ALARM_ALERT_URI; } else { return null; } } }