android.os.VibrationEffect#createWaveform ( )源码实例Demo

private void startRinging() {
    log("startRinging");
    int ringerMode = ((AudioManager) getSystemService(AUDIO_SERVICE)).getRingerMode();

    if (ringerMode == AudioManager.RINGER_MODE_SILENT) {
        return;
    }

    vibrator = ((Vibrator) getSystemService(VIBRATOR_SERVICE));
    long[] pattern = {1500, 800, 800, 800};
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
        VibrationEffect vibe = VibrationEffect.createWaveform(pattern, 0);
        vibrator.vibrate(vibe);
    } else {
        vibrator.vibrate(pattern, 0);
    }

    if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) {
        return;
    }

    ringtone = RingtoneManager.getRingtone(this, RingtoneManager.getActualDefaultRingtoneUri(getApplicationContext(), RingtoneManager.TYPE_RINGTONE));
    ringtone.play();
}
 

private void ringPhone(){
    int ringerMode = ((AudioManager) getSystemService(AUDIO_SERVICE)).getRingerMode();
    if(ringerMode == AudioManager.RINGER_MODE_SILENT) return;

    vibrator = ((Vibrator) getSystemService(VIBRATOR_SERVICE));
    long[] pattern = {1500, 800, 800, 800};
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
        VibrationEffect vibe = VibrationEffect.createWaveform(pattern, 0);
        vibrator.vibrate(vibe);
    }else{
        vibrator.vibrate(pattern, 0);
    }
    if(ringerMode == AudioManager.RINGER_MODE_VIBRATE) return;

    ringtone = RingtoneManager.getRingtone(this, RingtoneManager.getActualDefaultRingtoneUri(getApplicationContext(), RingtoneManager.TYPE_RINGTONE));
    ringtone.play();
}
 

private static VibrationEffect createEffectFromTimings(long[] timings) {
    if (timings == null || timings.length == 0) {
        return null;
    } else if (timings.length == 1) {
        return VibrationEffect.createOneShot(timings[0], VibrationEffect.DEFAULT_AMPLITUDE);
    } else {
        return VibrationEffect.createWaveform(timings, -1);
    }
}
 

public static void vibrate(Vibrator vibrator) {
    long[] timings = {0, 1000, 1000};
    int[] amplitudes = {0, VibrationEffect.DEFAULT_AMPLITUDE, 0};
    VibrationEffect effect = VibrationEffect.createWaveform(timings, amplitudes, 1);
    AudioAttributes audioAttrs =
            new AudioAttributes.Builder()
                    .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
                    .build();
    vibrator.vibrate(effect, audioAttrs);
}
 

VibratorService(Context context) {
    vibratorInit();
    // Reset the hardware to a default state, in case this is a runtime
    // restart instead of a fresh boot.
    vibratorOff();

    mSupportsAmplitudeControl = vibratorSupportsAmplitudeControl();

    mContext = context;
    PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
    mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "*vibrator*");
    mWakeLock.setReferenceCounted(true);

    mAppOps = mContext.getSystemService(AppOpsManager.class);
    mBatteryStatsService = IBatteryStats.Stub.asInterface(ServiceManager.getService(
            BatteryStats.SERVICE_NAME));

    mPreviousVibrationsLimit = mContext.getResources().getInteger(
            com.android.internal.R.integer.config_previousVibrationsDumpLimit);

    mDefaultVibrationAmplitude = mContext.getResources().getInteger(
            com.android.internal.R.integer.config_defaultVibrationAmplitude);

    mAllowPriorityVibrationsInLowPowerMode = mContext.getResources().getBoolean(
            com.android.internal.R.bool.config_allowPriorityVibrationsInLowPowerMode);

    mPreviousVibrations = new LinkedList<>();

    IntentFilter filter = new IntentFilter();
    filter.addAction(Intent.ACTION_SCREEN_OFF);
    context.registerReceiver(mIntentReceiver, filter);

    VibrationEffect clickEffect = createEffectFromResource(
            com.android.internal.R.array.config_virtualKeyVibePattern);
    VibrationEffect doubleClickEffect = VibrationEffect.createWaveform(
            DOUBLE_CLICK_EFFECT_FALLBACK_TIMINGS, -1 /*repeatIndex*/);
    VibrationEffect heavyClickEffect = createEffectFromResource(
            com.android.internal.R.array.config_longPressVibePattern);
    VibrationEffect tickEffect = createEffectFromResource(
            com.android.internal.R.array.config_clockTickVibePattern);

    mFallbackEffects = new SparseArray<>();
    mFallbackEffects.put(VibrationEffect.EFFECT_CLICK, clickEffect);
    mFallbackEffects.put(VibrationEffect.EFFECT_DOUBLE_CLICK, doubleClickEffect);
    mFallbackEffects.put(VibrationEffect.EFFECT_TICK, tickEffect);
    mFallbackEffects.put(VibrationEffect.EFFECT_HEAVY_CLICK, heavyClickEffect);

    mScaleLevels = new SparseArray<>();
    mScaleLevels.put(SCALE_VERY_LOW,
            new ScaleLevel(SCALE_VERY_LOW_GAMMA, SCALE_VERY_LOW_MAX_AMPLITUDE));
    mScaleLevels.put(SCALE_LOW, new ScaleLevel(SCALE_LOW_GAMMA, SCALE_LOW_MAX_AMPLITUDE));
    mScaleLevels.put(SCALE_NONE, new ScaleLevel(SCALE_NONE_GAMMA));
    mScaleLevels.put(SCALE_HIGH, new ScaleLevel(SCALE_HIGH_GAMMA));
    mScaleLevels.put(SCALE_VERY_HIGH, new ScaleLevel(SCALE_VERY_HIGH_GAMMA));
}