704 lines
24 KiB
Java
704 lines
24 KiB
Java
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.media;
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import com.android.internal.database.SortCursor;
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import android.annotation.SdkConstant;
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import android.annotation.SdkConstant.SdkConstantType;
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import android.app.Activity;
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import android.content.ContentUris;
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import android.content.Context;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Environment;
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import android.provider.MediaStore;
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import android.provider.Settings;
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import android.provider.Settings.System;
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import android.util.Log;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* RingtoneManager provides access to ringtones, notification, and other types
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* of sounds. It manages querying the different media providers and combines the
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* results into a single cursor. It also provides a {@link Ringtone} for each
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* ringtone. We generically call these sounds ringtones, however the
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* {@link #TYPE_RINGTONE} refers to the type of sounds that are suitable for the
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* phone ringer.
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* <p>
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* To show a ringtone picker to the user, use the
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* {@link #ACTION_RINGTONE_PICKER} intent to launch the picker as a subactivity.
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*
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* @see Ringtone
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*/
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public class RingtoneManager {
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private static final String TAG = "RingtoneManager";
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// Make sure these are in sync with attrs.xml:
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// <attr name="ringtoneType">
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/**
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* Type that refers to sounds that are used for the phone ringer.
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*/
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public static final int TYPE_RINGTONE = 1;
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/**
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* Type that refers to sounds that are used for notifications.
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*/
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public static final int TYPE_NOTIFICATION = 2;
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/**
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* Type that refers to sounds that are used for the alarm.
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*/
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public static final int TYPE_ALARM = 4;
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/**
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* All types of sounds.
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*/
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public static final int TYPE_ALL = TYPE_RINGTONE | TYPE_NOTIFICATION | TYPE_ALARM;
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// </attr>
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/**
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* Activity Action: Shows a ringtone picker.
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* <p>
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* Input: {@link #EXTRA_RINGTONE_EXISTING_URI},
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* {@link #EXTRA_RINGTONE_SHOW_DEFAULT},
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* {@link #EXTRA_RINGTONE_SHOW_SILENT}, {@link #EXTRA_RINGTONE_TYPE},
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* {@link #EXTRA_RINGTONE_DEFAULT_URI}, {@link #EXTRA_RINGTONE_TITLE},
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* <p>
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* Output: {@link #EXTRA_RINGTONE_PICKED_URI}.
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*/
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@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
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public static final String ACTION_RINGTONE_PICKER = "android.intent.action.RINGTONE_PICKER";
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/**
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* Given to the ringtone picker as a boolean. Whether to show an item for
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* "Default".
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*
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* @see #ACTION_RINGTONE_PICKER
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*/
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public static final String EXTRA_RINGTONE_SHOW_DEFAULT =
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"android.intent.extra.ringtone.SHOW_DEFAULT";
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/**
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* Given to the ringtone picker as a boolean. Whether to show an item for
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* "Silent". If the "Silent" item is picked,
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* {@link #EXTRA_RINGTONE_PICKED_URI} will be null.
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*
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* @see #ACTION_RINGTONE_PICKER
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*/
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public static final String EXTRA_RINGTONE_SHOW_SILENT =
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"android.intent.extra.ringtone.SHOW_SILENT";
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/**
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* Given to the ringtone picker as a boolean. Whether to include DRM ringtones.
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* @deprecated DRM ringtones are no longer supported
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*/
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@Deprecated
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public static final String EXTRA_RINGTONE_INCLUDE_DRM =
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"android.intent.extra.ringtone.INCLUDE_DRM";
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/**
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* Given to the ringtone picker as a {@link Uri}. The {@link Uri} of the
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* current ringtone, which will be used to show a checkmark next to the item
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* for this {@link Uri}. If showing an item for "Default" (@see
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* {@link #EXTRA_RINGTONE_SHOW_DEFAULT}), this can also be one of
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* {@link System#DEFAULT_RINGTONE_URI},
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* {@link System#DEFAULT_NOTIFICATION_URI}, or
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* {@link System#DEFAULT_ALARM_ALERT_URI} to have the "Default" item
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* checked.
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*
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* @see #ACTION_RINGTONE_PICKER
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*/
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public static final String EXTRA_RINGTONE_EXISTING_URI =
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"android.intent.extra.ringtone.EXISTING_URI";
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/**
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* Given to the ringtone picker as a {@link Uri}. The {@link Uri} of the
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* ringtone to play when the user attempts to preview the "Default"
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* ringtone. This can be one of {@link System#DEFAULT_RINGTONE_URI},
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* {@link System#DEFAULT_NOTIFICATION_URI}, or
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* {@link System#DEFAULT_ALARM_ALERT_URI} to have the "Default" point to
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* the current sound for the given default sound type. If you are showing a
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* ringtone picker for some other type of sound, you are free to provide any
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* {@link Uri} here.
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*/
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public static final String EXTRA_RINGTONE_DEFAULT_URI =
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"android.intent.extra.ringtone.DEFAULT_URI";
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/**
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* Given to the ringtone picker as an int. Specifies which ringtone type(s) should be
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* shown in the picker. One or more of {@link #TYPE_RINGTONE},
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* {@link #TYPE_NOTIFICATION}, {@link #TYPE_ALARM}, or {@link #TYPE_ALL}
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* (bitwise-ored together).
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*/
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public static final String EXTRA_RINGTONE_TYPE = "android.intent.extra.ringtone.TYPE";
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/**
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* Given to the ringtone picker as a {@link CharSequence}. The title to
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* show for the ringtone picker. This has a default value that is suitable
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* in most cases.
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*/
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public static final String EXTRA_RINGTONE_TITLE = "android.intent.extra.ringtone.TITLE";
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/**
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* Returned from the ringtone picker as a {@link Uri}.
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* <p>
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* It will be one of:
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* <li> the picked ringtone,
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* <li> a {@link Uri} that equals {@link System#DEFAULT_RINGTONE_URI},
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* {@link System#DEFAULT_NOTIFICATION_URI}, or
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* {@link System#DEFAULT_ALARM_ALERT_URI} if the default was chosen,
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* <li> null if the "Silent" item was picked.
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*
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* @see #ACTION_RINGTONE_PICKER
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*/
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public static final String EXTRA_RINGTONE_PICKED_URI =
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"android.intent.extra.ringtone.PICKED_URI";
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// Make sure the column ordering and then ..._COLUMN_INDEX are in sync
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private static final String[] INTERNAL_COLUMNS = new String[] {
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MediaStore.Audio.Media._ID, MediaStore.Audio.Media.TITLE,
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"\"" + MediaStore.Audio.Media.INTERNAL_CONTENT_URI + "\"",
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MediaStore.Audio.Media.TITLE_KEY
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};
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private static final String[] MEDIA_COLUMNS = new String[] {
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MediaStore.Audio.Media._ID, MediaStore.Audio.Media.TITLE,
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"\"" + MediaStore.Audio.Media.EXTERNAL_CONTENT_URI + "\"",
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MediaStore.Audio.Media.TITLE_KEY
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};
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/**
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* The column index (in the cursor returned by {@link #getCursor()} for the
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* row ID.
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*/
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public static final int ID_COLUMN_INDEX = 0;
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/**
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* The column index (in the cursor returned by {@link #getCursor()} for the
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* title.
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*/
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public static final int TITLE_COLUMN_INDEX = 1;
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/**
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* The column index (in the cursor returned by {@link #getCursor()} for the
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* media provider's URI.
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*/
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public static final int URI_COLUMN_INDEX = 2;
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private Activity mActivity;
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private Context mContext;
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private Cursor mCursor;
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private int mType = TYPE_RINGTONE;
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/**
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* If a column (item from this list) exists in the Cursor, its value must
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* be true (value of 1) for the row to be returned.
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*/
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private final List<String> mFilterColumns = new ArrayList<String>();
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private boolean mStopPreviousRingtone = true;
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private Ringtone mPreviousRingtone;
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/**
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* Constructs a RingtoneManager. This constructor is recommended as its
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* constructed instance manages cursor(s).
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*
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* @param activity The activity used to get a managed cursor.
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*/
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public RingtoneManager(Activity activity) {
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mContext = mActivity = activity;
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setType(mType);
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}
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/**
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* Constructs a RingtoneManager. The instance constructed by this
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* constructor will not manage the cursor(s), so the client should handle
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* this itself.
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*
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* @param context The context to used to get a cursor.
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*/
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public RingtoneManager(Context context) {
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mContext = context;
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setType(mType);
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}
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/**
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* Sets which type(s) of ringtones will be listed by this.
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*
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* @param type The type(s), one or more of {@link #TYPE_RINGTONE},
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* {@link #TYPE_NOTIFICATION}, {@link #TYPE_ALARM},
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* {@link #TYPE_ALL}.
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* @see #EXTRA_RINGTONE_TYPE
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*/
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public void setType(int type) {
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if (mCursor != null) {
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throw new IllegalStateException(
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"Setting filter columns should be done before querying for ringtones.");
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}
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mType = type;
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setFilterColumnsList(type);
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}
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/**
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* Infers the playback stream type based on what type of ringtones this
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* manager is returning.
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*
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* @return The stream type.
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*/
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public int inferStreamType() {
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switch (mType) {
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case TYPE_ALARM:
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return AudioManager.STREAM_ALARM;
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case TYPE_NOTIFICATION:
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return AudioManager.STREAM_NOTIFICATION;
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default:
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return AudioManager.STREAM_RING;
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}
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}
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/**
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* Whether retrieving another {@link Ringtone} will stop playing the
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* previously retrieved {@link Ringtone}.
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* <p>
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* If this is false, make sure to {@link Ringtone#stop()} any previous
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* ringtones to free resources.
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*
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* @param stopPreviousRingtone If true, the previously retrieved
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* {@link Ringtone} will be stopped.
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*/
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public void setStopPreviousRingtone(boolean stopPreviousRingtone) {
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mStopPreviousRingtone = stopPreviousRingtone;
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}
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/**
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* @see #setStopPreviousRingtone(boolean)
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*/
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public boolean getStopPreviousRingtone() {
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return mStopPreviousRingtone;
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}
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/**
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* Stops playing the last {@link Ringtone} retrieved from this.
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*/
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public void stopPreviousRingtone() {
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if (mPreviousRingtone != null) {
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mPreviousRingtone.stop();
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}
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}
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/**
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* Returns whether DRM ringtones will be included.
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*
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* @return Whether DRM ringtones will be included.
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* @see #setIncludeDrm(boolean)
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* Obsolete - always returns false
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* @deprecated DRM ringtones are no longer supported
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*/
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@Deprecated
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public boolean getIncludeDrm() {
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return false;
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}
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/**
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* Sets whether to include DRM ringtones.
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*
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* @param includeDrm Whether to include DRM ringtones.
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* Obsolete - no longer has any effect
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* @deprecated DRM ringtones are no longer supported
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*/
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@Deprecated
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public void setIncludeDrm(boolean includeDrm) {
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if (includeDrm) {
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Log.w(TAG, "setIncludeDrm no longer supported");
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}
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}
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/**
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* Returns a {@link Cursor} of all the ringtones available. The returned
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* cursor will be the same cursor returned each time this method is called,
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* so do not {@link Cursor#close()} the cursor. The cursor can be
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* {@link Cursor#deactivate()} safely.
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* <p>
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* If {@link RingtoneManager#RingtoneManager(Activity)} was not used, the
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* caller should manage the returned cursor through its activity's life
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* cycle to prevent leaking the cursor.
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*
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* @return A {@link Cursor} of all the ringtones available.
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* @see #ID_COLUMN_INDEX
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* @see #TITLE_COLUMN_INDEX
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* @see #URI_COLUMN_INDEX
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*/
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public Cursor getCursor() {
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if (mCursor != null && mCursor.requery()) {
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return mCursor;
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}
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final Cursor internalCursor = getInternalRingtones();
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final Cursor mediaCursor = getMediaRingtones();
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return mCursor = new SortCursor(new Cursor[] { internalCursor, mediaCursor },
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MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
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}
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/**
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* Gets a {@link Ringtone} for the ringtone at the given position in the
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* {@link Cursor}.
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*
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* @param position The position (in the {@link Cursor}) of the ringtone.
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* @return A {@link Ringtone} pointing to the ringtone.
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*/
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public Ringtone getRingtone(int position) {
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if (mStopPreviousRingtone && mPreviousRingtone != null) {
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mPreviousRingtone.stop();
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}
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mPreviousRingtone = getRingtone(mContext, getRingtoneUri(position), inferStreamType());
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return mPreviousRingtone;
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}
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/**
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* Gets a {@link Uri} for the ringtone at the given position in the {@link Cursor}.
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*
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* @param position The position (in the {@link Cursor}) of the ringtone.
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* @return A {@link Uri} pointing to the ringtone.
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*/
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public Uri getRingtoneUri(int position) {
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// use cursor directly instead of requerying it, which could easily
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// cause position to shuffle.
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if (mCursor == null || !mCursor.moveToPosition(position)) {
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return null;
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}
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return getUriFromCursor(mCursor);
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}
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private static Uri getUriFromCursor(Cursor cursor) {
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return ContentUris.withAppendedId(Uri.parse(cursor.getString(URI_COLUMN_INDEX)), cursor
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.getLong(ID_COLUMN_INDEX));
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}
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/**
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* Gets the position of a {@link Uri} within this {@link RingtoneManager}.
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*
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* @param ringtoneUri The {@link Uri} to retreive the position of.
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* @return The position of the {@link Uri}, or -1 if it cannot be found.
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*/
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public int getRingtonePosition(Uri ringtoneUri) {
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if (ringtoneUri == null) return -1;
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final Cursor cursor = getCursor();
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final int cursorCount = cursor.getCount();
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if (!cursor.moveToFirst()) {
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return -1;
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}
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// Only create Uri objects when the actual URI changes
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Uri currentUri = null;
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String previousUriString = null;
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for (int i = 0; i < cursorCount; i++) {
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String uriString = cursor.getString(URI_COLUMN_INDEX);
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if (currentUri == null || !uriString.equals(previousUriString)) {
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currentUri = Uri.parse(uriString);
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}
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if (ringtoneUri.equals(ContentUris.withAppendedId(currentUri, cursor
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.getLong(ID_COLUMN_INDEX)))) {
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return i;
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}
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cursor.move(1);
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previousUriString = uriString;
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}
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return -1;
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}
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/**
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* Returns a valid ringtone URI. No guarantees on which it returns. If it
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* cannot find one, returns null.
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*
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* @param context The context to use for querying.
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* @return A ringtone URI, or null if one cannot be found.
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*/
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public static Uri getValidRingtoneUri(Context context) {
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final RingtoneManager rm = new RingtoneManager(context);
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Uri uri = getValidRingtoneUriFromCursorAndClose(context, rm.getInternalRingtones());
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if (uri == null) {
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uri = getValidRingtoneUriFromCursorAndClose(context, rm.getMediaRingtones());
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}
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return uri;
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}
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private static Uri getValidRingtoneUriFromCursorAndClose(Context context, Cursor cursor) {
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if (cursor != null) {
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Uri uri = null;
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if (cursor.moveToFirst()) {
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uri = getUriFromCursor(cursor);
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}
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cursor.close();
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return uri;
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} else {
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return null;
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}
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}
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private Cursor getInternalRingtones() {
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return query(
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MediaStore.Audio.Media.INTERNAL_CONTENT_URI, INTERNAL_COLUMNS,
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constructBooleanTrueWhereClause(mFilterColumns),
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null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
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}
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private Cursor getMediaRingtones() {
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// Get the external media cursor. First check to see if it is mounted.
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final String status = Environment.getExternalStorageState();
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return (status.equals(Environment.MEDIA_MOUNTED) ||
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status.equals(Environment.MEDIA_MOUNTED_READ_ONLY))
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? query(
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MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, MEDIA_COLUMNS,
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constructBooleanTrueWhereClause(mFilterColumns), null,
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MediaStore.Audio.Media.DEFAULT_SORT_ORDER)
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: null;
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}
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private void setFilterColumnsList(int type) {
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List<String> columns = mFilterColumns;
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columns.clear();
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if ((type & TYPE_RINGTONE) != 0) {
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columns.add(MediaStore.Audio.AudioColumns.IS_RINGTONE);
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}
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if ((type & TYPE_NOTIFICATION) != 0) {
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columns.add(MediaStore.Audio.AudioColumns.IS_NOTIFICATION);
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}
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if ((type & TYPE_ALARM) != 0) {
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columns.add(MediaStore.Audio.AudioColumns.IS_ALARM);
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}
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}
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/**
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* Constructs a where clause that consists of at least one column being 1
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* (true). This is used to find all matching sounds for the given sound
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* types (ringtone, notifications, etc.)
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*
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* @param columns The columns that must be true.
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* @return The where clause.
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|
*/
|
|
private static String constructBooleanTrueWhereClause(List<String> 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.
|
|
* <p>
|
|
* 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;
|
|
}
|
|
}
|
|
|
|
}
|