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Merge "Add haptic feedback to auth ripple animation" into sc-dev

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TreeHugger Robot
2021-05-25 11:50:49 +00:00
committed by Android (Google) Code Review
parent 269fd081dc 3f535f94fa
commit 8c8765d3c3
1 changed files with 35 additions and 0 deletions
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35
packages/SystemUI/src/com/android/systemui/biometrics/AuthRippleView.kt
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@@ -23,7 +23,11 @@ import android.content.Context
import android.graphics.Canvas import android.graphics.Canvas
import android.graphics.Paint import android.graphics.Paint
import android.graphics.PointF import android.graphics.PointF
import android.media.AudioAttributes
import android.os.VibrationEffect
import android.os.Vibrator
import android.util.AttributeSet import android.util.AttributeSet
import android.util.MathUtils
import android.view.View import android.view.View
import android.view.animation.PathInterpolator import android.view.animation.PathInterpolator
import com.android.internal.graphics.ColorUtils import com.android.internal.graphics.ColorUtils
@@ -31,15 +35,26 @@ import com.android.systemui.statusbar.charging.RippleShader
private const val RIPPLE_ANIMATION_DURATION: Long = 1533 private const val RIPPLE_ANIMATION_DURATION: Long = 1533
private const val RIPPLE_SPARKLE_STRENGTH: Float = 0.4f private const val RIPPLE_SPARKLE_STRENGTH: Float = 0.4f
private const val RIPPLE_VIBRATION_PRIMITIVE: Int = VibrationEffect.Composition.PRIMITIVE_LOW_TICK
private const val RIPPLE_VIBRATION_SIZE: Int = 60
private const val RIPPLE_VIBRATION_SCALE_START: Float = 0.6f
private const val RIPPLE_VIBRATION_SCALE_DECAY: Float = -0.1f
/** /**
* Expanding ripple effect on the transition from biometric authentication success to showing * Expanding ripple effect on the transition from biometric authentication success to showing
* launcher. * launcher.
*/ */
class AuthRippleView(context: Context?, attrs: AttributeSet?) : View(context, attrs) { class AuthRippleView(context: Context?, attrs: AttributeSet?) : View(context, attrs) {
private val vibrator: Vibrator? = context?.getSystemService(Vibrator::class.java)
private var rippleInProgress: Boolean = false private var rippleInProgress: Boolean = false
private val rippleShader = RippleShader() private val rippleShader = RippleShader()
private val ripplePaint = Paint() private val ripplePaint = Paint()
private val rippleVibrationEffect = createVibrationEffect(vibrator)
private val rippleVibrationAttrs =
AudioAttributes.Builder()
.setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
.setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
.build()
init { init {
rippleShader.color = 0xffffffff.toInt() // default color rippleShader.color = 0xffffffff.toInt() // default color
@@ -95,6 +110,7 @@ class AuthRippleView(context: Context?, attrs: AttributeSet?) : View(context, at
visibility = GONE visibility = GONE
} }
}) })
vibrate()
animatorSet.start() animatorSet.start()
visibility = VISIBLE visibility = VISIBLE
rippleInProgress = true rippleInProgress = true
@@ -108,4 +124,23 @@ class AuthRippleView(context: Context?, attrs: AttributeSet?) : View(context, at
// draw over the entire screen // draw over the entire screen
canvas?.drawRect(0f, 0f, width.toFloat(), height.toFloat(), ripplePaint) canvas?.drawRect(0f, 0f, width.toFloat(), height.toFloat(), ripplePaint)
} }
private fun vibrate() {
if (rippleVibrationEffect != null) {
vibrator?.vibrate(rippleVibrationEffect, rippleVibrationAttrs)
}
}
private fun createVibrationEffect(vibrator: Vibrator?): VibrationEffect? {
if (vibrator?.areAllPrimitivesSupported(RIPPLE_VIBRATION_PRIMITIVE) == false) {
return null
}
val composition = VibrationEffect.startComposition()
for (i in 0 until RIPPLE_VIBRATION_SIZE) {
val scale =
RIPPLE_VIBRATION_SCALE_START * MathUtils.exp(RIPPLE_VIBRATION_SCALE_DECAY * i)
composition.addPrimitive(RIPPLE_VIBRATION_PRIMITIVE, scale, 0 /* delay */)
}
return composition.compose()
}
} }