Add setting to control vibration intensity. (35a0c676) · Commits · e / os / android_frameworks_base

core/java/android/hardware/input/InputManager.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -1246,7 +1246,7 @@ public final class InputManager {
		int repeat;
		if (effect instanceof VibrationEffect.OneShot) {
		VibrationEffect.OneShot oneShot = (VibrationEffect.OneShot) effect;
		pattern = new long[] { 0, oneShot.getTiming() };
		pattern = new long[] { 0, oneShot.getDuration() };
		repeat = -1;
		} else if (effect instanceof VibrationEffect.Waveform) {
		VibrationEffect.Waveform waveform = (VibrationEffect.Waveform) effect;

core/java/android/os/VibrationEffect.java

+173 −44

Original line number	Diff line number	Diff line
		@@ -16,7 +16,9 @@

		package android.os;

		import android.hardware.vibrator.V1_0.Constants.EffectStrength;
		import android.hardware.vibrator.V1_1.Constants.Effect_1_1;
		import android.util.MathUtils;

		import java.util.Arrays;

		@@ -35,6 +37,12 @@ public abstract class VibrationEffect implements Parcelable {
		*/
		public static final int DEFAULT_AMPLITUDE = -1;

		/**
		* The maximum amplitude value
		* @hide
		*/
		public static final int MAX_AMPLITUDE = 255;

		/**
		* A click effect.
		*
		@@ -198,38 +206,75 @@ public abstract class VibrationEffect implements Parcelable {
		/** @hide */
		public abstract void validate();

		/**
		* Gets the estimated duration of the vibration in milliseconds.
		*
		* For effects without a defined end (e.g. a Waveform with a non-negative repeat index), this
		* returns Long.MAX_VALUE. For effects with an unknown duration (e.g. Prebaked effects where
		* the length is device and potentially run-time dependent), this returns -1.
		*
		* @hide
		*/
		public abstract long getDuration();

		/**
		* Scale the amplitude with the given constraints.
		*
		* This assumes that the previous value was in the range [0, MAX_AMPLITUDE]
		* @hide
		*/
		protected static int scale(int amplitude, float gamma, int maxAmplitude) {
		float val = MathUtils.pow(amplitude / (float) MAX_AMPLITUDE, gamma);
		return (int) (val * maxAmplitude);
		}

		/** @hide */
		public static class OneShot extends VibrationEffect implements Parcelable {
		private long mTiming;
		private int mAmplitude;
		private final long mDuration;
		private final int mAmplitude;

		public OneShot(Parcel in) {
		this(in.readLong(), in.readInt());
		mDuration = in.readLong();
		mAmplitude = in.readInt();
		}

		public OneShot(long milliseconds, int amplitude) {
		mTiming = milliseconds;
		mDuration = milliseconds;
		mAmplitude = amplitude;
		}

		public long getTiming() {
		return mTiming;
		@Override
		public long getDuration() {
		return mDuration;
		}

		public int getAmplitude() {
		return mAmplitude;
		}

		/**
		* Scale the amplitude of this effect.
		*
		* @param gamma the gamma adjustment to apply
		* @param maxAmplitude the new maximum amplitude of the effect
		*
		* @return A {@link OneShot} effect with the same timing but scaled amplitude.
		*/
		public VibrationEffect scale(float gamma, int maxAmplitude) {
		int newAmplitude = scale(mAmplitude, gamma, maxAmplitude);
		return new OneShot(mDuration, newAmplitude);
		}

		@Override
		public void validate() {
		if (mAmplitude < -1 \|\| mAmplitude == 0 \|\| mAmplitude > 255) {
		throw new IllegalArgumentException(
		"amplitude must either be DEFAULT_AMPLITUDE, " +
		"or between 1 and 255 inclusive (amplitude=" + mAmplitude + ")");
		"amplitude must either be DEFAULT_AMPLITUDE, "
		+ "or between 1 and 255 inclusive (amplitude=" + mAmplitude + ")");
		}
		if (mTiming <= 0) {
		if (mDuration <= 0) {
		throw new IllegalArgumentException(
		"timing must be positive (timing=" + mTiming + ")");
		"duration must be positive (duration=" + mDuration + ")");
		}
		}

		@@ -239,26 +284,26 @@ public abstract class VibrationEffect implements Parcelable {
		return false;
		}
		VibrationEffect.OneShot other = (VibrationEffect.OneShot) o;
		return other.mTiming == mTiming && other.mAmplitude == mAmplitude;
		return other.mDuration == mDuration && other.mAmplitude == mAmplitude;
		}

		@Override
		public int hashCode() {
		int result = 17;
		result = 37 * (int) mTiming;
		result = 37 * mAmplitude;
		result += 37 * (int) mDuration;
		result += 37 * mAmplitude;
		return result;
		}

		@Override
		public String toString() {
		return "OneShot{mTiming=" + mTiming +", mAmplitude=" + mAmplitude + "}";
		return "OneShot{mDuration=" + mDuration + ", mAmplitude=" + mAmplitude + "}";
		}

		@Override
		public void writeToParcel(Parcel out, int flags) {
		out.writeInt(PARCEL_TOKEN_ONE_SHOT);
		out.writeLong(mTiming);
		out.writeLong(mDuration);
		out.writeInt(mAmplitude);
		}

		@@ -279,9 +324,9 @@ public abstract class VibrationEffect implements Parcelable {

		/** @hide */
		public static class Waveform extends VibrationEffect implements Parcelable {
		private long[] mTimings;
		private int[] mAmplitudes;
		private int mRepeat;
		private final long[] mTimings;
		private final int[] mAmplitudes;
		private final int mRepeat;

		public Waveform(Parcel in) {
		this(in.createLongArray(), in.createIntArray(), in.readInt());
		@@ -307,35 +352,69 @@ public abstract class VibrationEffect implements Parcelable {
		return mRepeat;
		}

		@Override
		public long getDuration() {
		if (mRepeat >= 0) {
		return Long.MAX_VALUE;
		}
		long duration = 0;
		for (long d : mTimings) {
		duration += d;
		}
		return duration;
		}

		/**
		* Scale the Waveform with the given gamma and new max amplitude.
		*
		* @param gamma the gamma adjustment to apply
		* @param maxAmplitude the new maximum amplitude of the effect
		*
		* @return A {@link Waveform} effect with the same timings and repeat index
		* but scaled amplitude.
		*/
		public VibrationEffect scale(float gamma, int maxAmplitude) {
		if (gamma == 1.0f && maxAmplitude == MAX_AMPLITUDE) {
		// Just return a copy of the original if there's no scaling to be done.
		return new Waveform(mTimings, mAmplitudes, mRepeat);
		}

		int[] scaledAmplitudes = Arrays.copyOf(mAmplitudes, mAmplitudes.length);
		for (int i = 0; i < scaledAmplitudes.length; i++) {
		scaledAmplitudes[i] = scale(scaledAmplitudes[i], gamma, maxAmplitude);
		}
		return new Waveform(mTimings, scaledAmplitudes, mRepeat);
		}

		@Override
		public void validate() {
		if (mTimings.length != mAmplitudes.length) {
		throw new IllegalArgumentException(
		"timing and amplitude arrays must be of equal length" +
		" (timings.length=" + mTimings.length +
		", amplitudes.length=" + mAmplitudes.length + ")");
		"timing and amplitude arrays must be of equal length"
		+ " (timings.length=" + mTimings.length
		+ ", amplitudes.length=" + mAmplitudes.length + ")");
		}
		if (!hasNonZeroEntry(mTimings)) {
		throw new IllegalArgumentException("at least one timing must be non-zero" +
		" (timings=" + Arrays.toString(mTimings) + ")");
		throw new IllegalArgumentException("at least one timing must be non-zero"
		+ " (timings=" + Arrays.toString(mTimings) + ")");
		}
		for (long timing : mTimings) {
		if (timing < 0) {
		throw new IllegalArgumentException("timings must all be >= 0" +
		" (timings=" + Arrays.toString(mTimings) + ")");
		throw new IllegalArgumentException("timings must all be >= 0"
		+ " (timings=" + Arrays.toString(mTimings) + ")");
		}
		}
		for (int amplitude : mAmplitudes) {
		if (amplitude < -1 \|\| amplitude > 255) {
		throw new IllegalArgumentException(
		"amplitudes must all be DEFAULT_AMPLITUDE or between 0 and 255" +
		" (amplitudes=" + Arrays.toString(mAmplitudes) + ")");
		"amplitudes must all be DEFAULT_AMPLITUDE or between 0 and 255"
		+ " (amplitudes=" + Arrays.toString(mAmplitudes) + ")");
		}
		}
		if (mRepeat < -1 \|\| mRepeat >= mTimings.length) {
		throw new IllegalArgumentException(
		"repeat index must be within the bounds of the timings array" +
		" (timings.length=" + mTimings.length + ", index=" + mRepeat +")");
		"repeat index must be within the bounds of the timings array"
		+ " (timings.length=" + mTimings.length + ", index=" + mRepeat + ")");
		}
		}

		@@ -345,26 +424,26 @@ public abstract class VibrationEffect implements Parcelable {
		return false;
		}
		VibrationEffect.Waveform other = (VibrationEffect.Waveform) o;
		return Arrays.equals(mTimings, other.mTimings) &&
		Arrays.equals(mAmplitudes, other.mAmplitudes) &&
		mRepeat == other.mRepeat;
		return Arrays.equals(mTimings, other.mTimings)
		&& Arrays.equals(mAmplitudes, other.mAmplitudes)
		&& mRepeat == other.mRepeat;
		}

		@Override
		public int hashCode() {
		int result = 17;
		result = 37 * Arrays.hashCode(mTimings);
		result = 37 * Arrays.hashCode(mAmplitudes);
		result = 37 * mRepeat;
		result += 37 * Arrays.hashCode(mTimings);
		result += 37 * Arrays.hashCode(mAmplitudes);
		result += 37 * mRepeat;
		return result;
		}

		@Override
		public String toString() {
		return "Waveform{mTimings=" + Arrays.toString(mTimings) +
		", mAmplitudes=" + Arrays.toString(mAmplitudes) +
		", mRepeat=" + mRepeat +
		"}";
		return "Waveform{mTimings=" + Arrays.toString(mTimings)
		+ ", mAmplitudes=" + Arrays.toString(mAmplitudes)
		+ ", mRepeat=" + mRepeat
		+ "}";
		}

		@Override
		@@ -402,16 +481,20 @@ public abstract class VibrationEffect implements Parcelable {

		/** @hide */
		public static class Prebaked extends VibrationEffect implements Parcelable {
		private int mEffectId;
		private boolean mFallback;
		private final int mEffectId;
		private final boolean mFallback;

		private int mEffectStrength;

		public Prebaked(Parcel in) {
		this(in.readInt(), in.readByte() != 0);
		mEffectStrength = in.readInt();
		}

		public Prebaked(int effectId, boolean fallback) {
		mEffectId = effectId;
		mFallback = fallback;
		mEffectStrength = EffectStrength.MEDIUM;
		}

		public int getId() {
		@@ -426,6 +509,39 @@ public abstract class VibrationEffect implements Parcelable {
		return mFallback;
		}

		@Override
		public long getDuration() {
		return -1;
		}

		/**
		* Set the effect strength of the prebaked effect.
		*/
		public void setEffectStrength(int strength) {
		if (!isValidEffectStrength(strength)) {
		throw new IllegalArgumentException("Invalid effect strength: " + strength);
		}
		mEffectStrength = strength;
		}

		/**
		* Set the effect strength.
		*/
		public int getEffectStrength() {
		return mEffectStrength;
		}

		private static boolean isValidEffectStrength(int strength) {
		switch (strength) {
		case EffectStrength.LIGHT:
		case EffectStrength.MEDIUM:
		case EffectStrength.STRONG:
		return true;
		default:
		return false;
		}
		}

		@Override
		public void validate() {
		switch (mEffectId) {
		@@ -437,6 +553,10 @@ public abstract class VibrationEffect implements Parcelable {
		throw new IllegalArgumentException(
		"Unknown prebaked effect type (value=" + mEffectId + ")");
		}
		if (!isValidEffectStrength(mEffectStrength)) {
		throw new IllegalArgumentException(
		"Unknown prebaked effect strength (value=" + mEffectStrength + ")");
		}
		}

		@Override
		@@ -445,17 +565,25 @@ public abstract class VibrationEffect implements Parcelable {
		return false;
		}
		VibrationEffect.Prebaked other = (VibrationEffect.Prebaked) o;
		return mEffectId == other.mEffectId && mFallback == other.mFallback;
		return mEffectId == other.mEffectId
		&& mFallback == other.mFallback
		&& mEffectStrength == other.mEffectStrength;
		}

		@Override
		public int hashCode() {
		return mEffectId;
		int result = 17;
		result += 37 * mEffectId;
		result += 37 * mEffectStrength;
		return result;
		}

		@Override
		public String toString() {
		return "Prebaked{mEffectId=" + mEffectId + ", mFallback=" + mFallback + "}";
		return "Prebaked{mEffectId=" + mEffectId
		+ ", mEffectStrength=" + mEffectStrength
		+ ", mFallback=" + mFallback
		+ "}";
		}


		@@ -464,6 +592,7 @@ public abstract class VibrationEffect implements Parcelable {
		out.writeInt(PARCEL_TOKEN_EFFECT);
		out.writeInt(mEffectId);
		out.writeByte((byte) (mFallback ? 1 : 0));
		out.writeInt(mEffectStrength);
		}

		public static final Parcelable.Creator<Prebaked> CREATOR =

core/java/android/os/Vibrator.java

+54 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package android.os;

		import android.annotation.IntDef;
		import android.annotation.RequiresPermission;
		import android.annotation.SystemService;
		import android.app.ActivityThread;
		@@ -23,6 +24,9 @@ import android.content.Context;
		import android.media.AudioAttributes;
		import android.util.Log;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		/**
		* Class that operates the vibrator on the device.
		* <p>
		@@ -33,6 +37,40 @@ import android.util.Log;
		public abstract class Vibrator {
		private static final String TAG = "Vibrator";

		/**
		* Vibration intensity: no vibrations.
		* @hide
		*/
		public static final int VIBRATION_INTENSITY_OFF = 0;

		/**
		* Vibration intensity: low.
		* @hide
		*/
		public static final int VIBRATION_INTENSITY_LOW = 1;

		/**
		* Vibration intensity: medium.
		* @hide
		*/
		public static final int VIBRATION_INTENSITY_MEDIUM = 2;

		/**
		* Vibration intensity: high.
		* @hide
		*/
		public static final int VIBRATION_INTENSITY_HIGH = 3;

		/** @hide */
		@Retention(RetentionPolicy.SOURCE)
		@IntDef(prefix = { "VIBRATION_INTENSITY_" }, value = {
		VIBRATION_INTENSITY_OFF,
		VIBRATION_INTENSITY_LOW,
		VIBRATION_INTENSITY_MEDIUM,
		VIBRATION_INTENSITY_HIGH
		})
		public @interface VibrationIntensity{}

		private final String mPackageName;

		/**
		@@ -49,6 +87,22 @@ public abstract class Vibrator {
		mPackageName = context.getOpPackageName();
		}

		/**
		* Get the default vibration intensity for haptic feedback.
		* @hide
		*/
		public int getDefaultHapticFeedbackIntensity() {
		return VIBRATION_INTENSITY_MEDIUM;
		}

		/**
		* Get the default vibration intensity for notifications and ringtones.
		* @hide
		*/
		public int getDefaultNotificationVibrationIntensity() {
		return VIBRATION_INTENSITY_HIGH;
		}

		/**
		* Check whether the hardware has a vibrator.
		*

core/java/android/provider/Settings.java

+42 −1

Original line number	Diff line number	Diff line
		@@ -3174,6 +3174,43 @@ public final class Settings {

		private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = BOOLEAN_VALIDATOR;

		/**
		* The intensity of notification vibrations, if configurable.
		*
		* Not all devices are capable of changing their vibration intensity; on these devices
		* there will likely be no difference between the various vibration intensities except for
		* intensity 0 (off) and the rest.
		*
		* <b>Values:</b><br/>
		* 0 - Vibration is disabled<br/>
		* 1 - Weak vibrations<br/>
		* 2 - Medium vibrations<br/>
		* 3 - Strong vibrations
		* @hide
		*/
		public static final String NOTIFICATION_VIBRATION_INTENSITY =
		"notification_vibration_intensity";

		/**
		* The intensity of haptic feedback vibrations, if configurable.
		*
		* Not all devices are capable of changing their feedback intensity; on these devices
		* there will likely be no difference between the various vibration intensities except for
		* intensity 0 (off) and the rest.
		*
		* <b>Values:</b><br/>
		* 0 - Vibration is disabled<br/>
		* 1 - Weak vibrations<br/>
		* 2 - Medium vibrations<br/>
		* 3 - Strong vibrations
		* @hide
		*/
		public static final String HAPTIC_FEEDBACK_INTENSITY =
		"haptic_feedback_intensity";

		private static final Validator VIBRATION_INTENSITY_VALIDATOR =
		new SettingsValidators.InclusiveIntegerRangeValidator(0, 3);

		/**
		* Ringer volume. This is used internally, changing this value will not
		* change the volume. See AudioManager.
		@@ -3995,7 +4032,9 @@ public final class Settings {
		LOCK_TO_APP_ENABLED,
		NOTIFICATION_SOUND,
		ACCELEROMETER_ROTATION,
		SHOW_BATTERY_PERCENT
		SHOW_BATTERY_PERCENT,
		NOTIFICATION_VIBRATION_INTENSITY,
		HAPTIC_FEEDBACK_INTENSITY,
		};

		/**
		@@ -4136,6 +4175,8 @@ public final class Settings {
		VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
		VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
		VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
		VALIDATORS.put(NOTIFICATION_VIBRATION_INTENSITY, VIBRATION_INTENSITY_VALIDATOR);
		VALIDATORS.put(HAPTIC_FEEDBACK_INTENSITY, VIBRATION_INTENSITY_VALIDATOR);
		VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
		VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
		VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);

services/core/java/com/android/server/VibratorService.java

+261 −100

File changed.

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