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-rw-r--r--core/java/android/os/Vibrator.java23
-rw-r--r--core/res/res/values/config.xml9
-rw-r--r--core/res/res/values/symbols.xml3
-rw-r--r--services/core/java/com/android/server/VibratorService.java105
4 files changed, 106 insertions, 34 deletions
diff --git a/core/java/android/os/Vibrator.java b/core/java/android/os/Vibrator.java
index f1f6f414eba8..d2d8f1e159e5 100644
--- a/core/java/android/os/Vibrator.java
+++ b/core/java/android/os/Vibrator.java
@@ -72,12 +72,23 @@ public abstract class Vibrator {
public @interface VibrationIntensity{}
private final String mPackageName;
+ // The default vibration intensity level for haptic feedback.
+ @VibrationIntensity
+ private final int mDefaultHapticFeedbackIntensity;
+ // The default vibration intensity level for notifications.
+ @VibrationIntensity
+ private final int mDefaultNotificationVibrationIntensity;
/**
* @hide to prevent subclassing from outside of the framework
*/
public Vibrator() {
mPackageName = ActivityThread.currentPackageName();
+ final Context ctx = ActivityThread.currentActivityThread().getSystemContext();
+ mDefaultHapticFeedbackIntensity = loadDefaultIntensity(ctx,
+ com.android.internal.R.integer.config_defaultHapticFeedbackIntensity);
+ mDefaultNotificationVibrationIntensity = loadDefaultIntensity(ctx,
+ com.android.internal.R.integer.config_defaultNotificationVibrationIntensity);
}
/**
@@ -85,6 +96,14 @@ public abstract class Vibrator {
*/
protected Vibrator(Context context) {
mPackageName = context.getOpPackageName();
+ mDefaultHapticFeedbackIntensity = loadDefaultIntensity(context,
+ com.android.internal.R.integer.config_defaultHapticFeedbackIntensity);
+ mDefaultNotificationVibrationIntensity = loadDefaultIntensity(context,
+ com.android.internal.R.integer.config_defaultNotificationVibrationIntensity);
+ }
+
+ private int loadDefaultIntensity(Context ctx, int resId) {
+ return ctx != null ? ctx.getResources().getInteger(resId) : VIBRATION_INTENSITY_MEDIUM;
}
/**
@@ -92,7 +111,7 @@ public abstract class Vibrator {
* @hide
*/
public int getDefaultHapticFeedbackIntensity() {
- return VIBRATION_INTENSITY_MEDIUM;
+ return mDefaultHapticFeedbackIntensity;
}
/**
@@ -100,7 +119,7 @@ public abstract class Vibrator {
* @hide
*/
public int getDefaultNotificationVibrationIntensity() {
- return VIBRATION_INTENSITY_HIGH;
+ return mDefaultNotificationVibrationIntensity;
}
/**
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index b0ecb3ecf11d..c856ed81d575 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1108,6 +1108,15 @@
<string-array translatable="false" name="config_ringtoneEffectUris">
</string-array>
+ <!-- The default intensity level for haptic feedback. See
+ Settings.System.HAPTIC_FEEDBACK_INTENSITY more details on the constant values and
+ meanings. -->
+ <integer name="config_defaultHapticFeedbackIntensity">2</integer>
+ <!-- The default intensity level for notification vibrations. See
+ Settings.System.NOTIFICATION_VIBRATION_INTENSITY more details on the constant values and
+ meanings. -->
+ <integer name="config_defaultNotificationVibrationIntensity">2</integer>
+
<bool name="config_use_strict_phone_number_comparation">false</bool>
<!-- Display low battery warning when battery level dips to this value.
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 8a045a07938c..faf9093c0fe9 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3386,4 +3386,7 @@
<java-symbol type="drawable" name="ic_lock_lockdown" />
<java-symbol type="drawable" name="ic_arrow_forward" />
<java-symbol type="drawable" name="ic_permission" />
+
+ <java-symbol type="integer" name="config_defaultHapticFeedbackIntensity" />
+ <java-symbol type="integer" name="config_defaultNotificationVibrationIntensity" />
</resources>
diff --git a/services/core/java/com/android/server/VibratorService.java b/services/core/java/com/android/server/VibratorService.java
index ede870fbf02e..95e55182f823 100644
--- a/services/core/java/com/android/server/VibratorService.java
+++ b/services/core/java/com/android/server/VibratorService.java
@@ -76,17 +76,35 @@ public class VibratorService extends IVibratorService.Stub
private static final long[] DOUBLE_CLICK_EFFECT_FALLBACK_TIMINGS = { 0, 30, 100, 30 };
- private static final float GAMMA_SCALE_FACTOR_MINIMUM = 2.0f;
- private static final float GAMMA_SCALE_FACTOR_LOW = 1.5f;
- private static final float GAMMA_SCALE_FACTOR_HIGH = 0.5f;
- private static final float GAMMA_SCALE_FACTOR_NONE = 1.0f;
-
- private static final int MAX_AMPLITUDE_MINIMUM_INTENSITY = 168; // 2/3 * 255
- private static final int MAX_AMPLITUDE_LOW_INTENSITY = 192; // 3/4 * 255
+ // Scale levels. Each level is defined as the delta between the current setting and the default
+ // intensity for that type of vibration (i.e. current - default).
+ private static final int SCALE_VERY_LOW = -2;
+ private static final int SCALE_LOW = -1;
+ private static final int SCALE_NONE = 0;
+ private static final int SCALE_HIGH = 1;
+ private static final int SCALE_VERY_HIGH = 2;
+
+ // Gamma adjustments for scale levels.
+ private static final float SCALE_VERY_LOW_GAMMA = 2.0f;
+ private static final float SCALE_LOW_GAMMA = 1.5f;
+ private static final float SCALE_NONE_GAMMA = 1.0f;
+ private static final float SCALE_HIGH_GAMMA = 0.5f;
+ private static final float SCALE_VERY_HIGH_GAMMA = 0.25f;
+
+ // Max amplitudes for scale levels. If one is not listed, then the max amplitude is the default
+ // max amplitude.
+ private static final int SCALE_VERY_LOW_MAX_AMPLITUDE = 168; // 2/3 * 255
+ private static final int SCALE_LOW_MAX_AMPLITUDE = 192; // 3/4 * 255
// If a vibration is playing for longer than 5s, it's probably not haptic feedback.
private static final long MAX_HAPTIC_FEEDBACK_DURATION = 5000;
+
+ // A mapping from the intensity adjustment to the scaling to apply, where the intensity
+ // adjustment is defined as the delta between the default intensity level and the user selected
+ // intensity level. It's important that we apply the scaling on the delta between the two so
+ // that the default intensity level applies no scaling to application provided effects.
+ private final SparseArray<ScaleLevel> mScaleLevels;
private final LinkedList<VibrationInfo> mPreviousVibrations;
private final int mPreviousVibrationsLimit;
private final boolean mAllowPriorityVibrationsInLowPowerMode;
@@ -180,6 +198,8 @@ public class VibratorService extends IVibratorService.Stub
case VibrationEffect.EFFECT_DOUBLE_CLICK:
case VibrationEffect.EFFECT_HEAVY_CLICK:
case VibrationEffect.EFFECT_TICK:
+ case VibrationEffect.EFFECT_POP:
+ case VibrationEffect.EFFECT_THUD:
return true;
default:
Slog.w(TAG, "Unknown prebaked vibration effect, "
@@ -254,6 +274,25 @@ public class VibratorService extends IVibratorService.Stub
}
}
+ private static final class ScaleLevel {
+ public final float gamma;
+ public final int maxAmplitude;
+
+ public ScaleLevel(float gamma) {
+ this(gamma, VibrationEffect.MAX_AMPLITUDE);
+ }
+
+ public ScaleLevel(float gamma, int maxAmplitude) {
+ this.gamma = gamma;
+ this.maxAmplitude = maxAmplitude;
+ }
+
+ @Override
+ public String toString() {
+ return "ScaleLevel{gamma=" + gamma + ", maxAmplitude=" + maxAmplitude + "}";
+ }
+ }
+
VibratorService(Context context) {
vibratorInit();
// Reset the hardware to a default state, in case this is a runtime
@@ -295,11 +334,19 @@ public class VibratorService extends IVibratorService.Stub
VibrationEffect tickEffect = createEffectFromResource(
com.android.internal.R.array.config_clockTickVibePattern);
- mFallbackEffects = new SparseArray<VibrationEffect>();
+ 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));
}
private VibrationEffect createEffectFromResource(int resId) {
@@ -675,41 +722,35 @@ public class VibratorService extends IVibratorService.Stub
return;
}
- final float gamma;
- final int maxAmplitude;
+ final int defaultIntensity;
if (vib.isNotification() || vib.isRingtone()) {
- if (intensity == Vibrator.VIBRATION_INTENSITY_LOW) {
- gamma = GAMMA_SCALE_FACTOR_MINIMUM;
- maxAmplitude = MAX_AMPLITUDE_MINIMUM_INTENSITY;
- } else if (intensity == Vibrator.VIBRATION_INTENSITY_MEDIUM) {
- gamma = GAMMA_SCALE_FACTOR_LOW;
- maxAmplitude = MAX_AMPLITUDE_LOW_INTENSITY;
- } else {
- gamma = GAMMA_SCALE_FACTOR_NONE;
- maxAmplitude = VibrationEffect.MAX_AMPLITUDE;
- }
+ defaultIntensity = mVibrator.getDefaultNotificationVibrationIntensity();
+ } else if (vib.isHapticFeedback()) {
+ defaultIntensity = mVibrator.getDefaultHapticFeedbackIntensity();
} else {
- if (intensity == Vibrator.VIBRATION_INTENSITY_LOW) {
- gamma = GAMMA_SCALE_FACTOR_LOW;
- maxAmplitude = MAX_AMPLITUDE_LOW_INTENSITY;
- } else if (intensity == Vibrator.VIBRATION_INTENSITY_HIGH) {
- gamma = GAMMA_SCALE_FACTOR_HIGH;
- maxAmplitude = VibrationEffect.MAX_AMPLITUDE;
- } else {
- gamma = GAMMA_SCALE_FACTOR_NONE;
- maxAmplitude = VibrationEffect.MAX_AMPLITUDE;
- }
+ // If we don't know what kind of vibration we're playing then just skip scaling for
+ // now.
+ return;
+ }
+
+ final ScaleLevel scale = mScaleLevels.get(intensity - defaultIntensity);
+ if (scale == null) {
+ // We should have scaling levels for all cases, so not being able to scale because of a
+ // missing level is unexpected.
+ Slog.e(TAG, "No configured scaling level!"
+ + " (current=" + intensity + ", default= " + defaultIntensity + ")");
+ return;
}
VibrationEffect scaledEffect = null;
if (vib.effect instanceof VibrationEffect.OneShot) {
VibrationEffect.OneShot oneShot = (VibrationEffect.OneShot) vib.effect;
oneShot = oneShot.resolve(mDefaultVibrationAmplitude);
- scaledEffect = oneShot.scale(gamma, maxAmplitude);
+ scaledEffect = oneShot.scale(scale.gamma, scale.maxAmplitude);
} else if (vib.effect instanceof VibrationEffect.Waveform) {
VibrationEffect.Waveform waveform = (VibrationEffect.Waveform) vib.effect;
waveform = waveform.resolve(mDefaultVibrationAmplitude);
- scaledEffect = waveform.scale(gamma, maxAmplitude);
+ scaledEffect = waveform.scale(scale.gamma, scale.maxAmplitude);
} else {
Slog.w(TAG, "Unable to apply intensity scaling, unknown VibrationEffect type");
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2026-01-02 10:09:52 +0000