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/*
* Copyright (C) 2006 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.os;
import android.app.ActivityThread;
import android.content.Context;
import android.media.AudioAttributes;
/**
* Class that operates the vibrator on the device.
* <p>
* If your process exits, any vibration you started will stop.
* </p>
*
* To obtain an instance of the system vibrator, call
* {@link Context#getSystemService} with {@link Context#VIBRATOR_SERVICE} as the argument.
*/
public abstract class Vibrator {
private final String mPackageName;
/**
* @hide to prevent subclassing from outside of the framework
*/
public Vibrator() {
mPackageName = ActivityThread.currentPackageName();
}
/**
* @hide to prevent subclassing from outside of the framework
*/
protected Vibrator(Context context) {
mPackageName = context.getOpPackageName();
}
/**
* Check whether the hardware has a vibrator.
*
* @return True if the hardware has a vibrator, else false.
*/
public abstract boolean hasVibrator();
/**
* Vibrate constantly for the specified period of time.
* <p>This method requires the caller to hold the permission
* {@link android.Manifest.permission#VIBRATE}.
*
* @param milliseconds The number of milliseconds to vibrate.
*/
public void vibrate(long milliseconds) {
vibrate(milliseconds, null);
}
/**
* Vibrate constantly for the specified period of time.
* <p>This method requires the caller to hold the permission
* {@link android.Manifest.permission#VIBRATE}.
*
* @param milliseconds The number of milliseconds to vibrate.
* @param attributes {@link AudioAttributes} corresponding to the vibration. For example,
* specify {@link AudioAttributes#USAGE_ALARM} for alarm vibrations or
* {@link AudioAttributes#USAGE_NOTIFICATION_RINGTONE} for
* vibrations associated with incoming calls.
*/
public void vibrate(long milliseconds, AudioAttributes attributes) {
vibrate(Process.myUid(), mPackageName, milliseconds, attributes);
}
/**
* Vibrate with a given pattern.
*
* <p>
* Pass in an array of ints that are the durations for which to turn on or off
* the vibrator in milliseconds. The first value indicates the number of milliseconds
* to wait before turning the vibrator on. The next value indicates the number of milliseconds
* for which to keep the vibrator on before turning it off. Subsequent values alternate
* between durations in milliseconds to turn the vibrator off or to turn the vibrator on.
* </p><p>
* To cause the pattern to repeat, pass the index into the pattern array at which
* to start the repeat, or -1 to disable repeating.
* </p>
* <p>This method requires the caller to hold the permission
* {@link android.Manifest.permission#VIBRATE}.
*
* @param pattern an array of longs of times for which to turn the vibrator on or off.
* @param repeat the index into pattern at which to repeat, or -1 if
* you don't want to repeat.
*/
public void vibrate(long[] pattern, int repeat) {
vibrate(pattern, repeat, null);
}
/**
* Vibrate with a given pattern.
*
* <p>
* Pass in an array of ints that are the durations for which to turn on or off
* the vibrator in milliseconds. The first value indicates the number of milliseconds
* to wait before turning the vibrator on. The next value indicates the number of milliseconds
* for which to keep the vibrator on before turning it off. Subsequent values alternate
* between durations in milliseconds to turn the vibrator off or to turn the vibrator on.
* </p><p>
* To cause the pattern to repeat, pass the index into the pattern array at which
* to start the repeat, or -1 to disable repeating.
* </p>
* <p>This method requires the caller to hold the permission
* {@link android.Manifest.permission#VIBRATE}.
*
* @param pattern an array of longs of times for which to turn the vibrator on or off.
* @param repeat the index into pattern at which to repeat, or -1 if
* you don't want to repeat.
* @param attributes {@link AudioAttributes} corresponding to the vibration. For example,
* specify {@link AudioAttributes#USAGE_ALARM} for alarm vibrations or
* {@link AudioAttributes#USAGE_NOTIFICATION_RINGTONE} for
* vibrations associated with incoming calls.
*/
public void vibrate(long[] pattern, int repeat, AudioAttributes attributes) {
vibrate(Process.myUid(), mPackageName, pattern, repeat, attributes);
}
/**
* @hide
* Like {@link #vibrate(long, AudioAttributes)}, but allowing the caller to specify that
* the vibration is owned by someone else.
*/
public abstract void vibrate(int uid, String opPkg, long milliseconds,
AudioAttributes attributes);
/**
* @hide
* Like {@link #vibrate(long[], int, AudioAttributes)}, but allowing the caller to specify that
* the vibration is owned by someone else.
*/
public abstract void vibrate(int uid, String opPkg, long[] pattern, int repeat,
AudioAttributes attributes);
/**
* Turn the vibrator off.
* <p>This method requires the caller to hold the permission
* {@link android.Manifest.permission#VIBRATE}.
*/
public abstract void cancel();
}
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