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Generalizes animation framework and adds support for icon animation
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145 changes: 15 additions & 130 deletions
145
flashbar/src/main/java/com/andrognito/flashbar/FlashAnim.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,148 +1,33 @@ | ||
| package com.andrognito.flashbar | ||
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| import android.content.Context | ||
| import android.support.annotation.AnimRes | ||
| import android.support.annotation.InterpolatorRes | ||
| import android.view.animation.Animation | ||
| import android.view.animation.AnimationSet | ||
| import android.view.animation.AnimationUtils | ||
| import android.view.animation.Interpolator | ||
| import com.andrognito.flashbar.FlashAnim.Position.BOTTOM | ||
| import com.andrognito.flashbar.FlashAnim.Position.TOP | ||
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| class FlashAnim { | ||
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| private lateinit var animationSet: AnimationSet | ||
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| fun getAnimation() = animationSet | ||
| internal lateinit var animation: AnimationSet | ||
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| companion object { | ||
| fun with(context: Context): FlashAnimBuilder = FlashAnimBuilder(context) | ||
| fun with(context: Context) = FlashAnimBuilderRetriever(context) | ||
| } | ||
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| class FlashAnimBuilder(private val context: Context) { | ||
| private val DEFAULT_ANIM_DURATION = context.resources | ||
| .getInteger(R.integer.default_animation_duration).toLong() | ||
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| private val ANIM_ENTER_TOP = AnimationUtils.loadAnimation(context, R.anim.anim_enter_top) | ||
| private val ANIM_ENTER_BOTTOM = AnimationUtils.loadAnimation(context, R.anim.anim_enter_bottom) | ||
| private val ANIM_EXIT_TOP = AnimationUtils.loadAnimation(context, R.anim.anim_exit_top) | ||
| private val ANIM_EXIT_BOTTOM = AnimationUtils.loadAnimation(context, R.anim.anim_exit_bottom) | ||
| private val ANIM_ALPHA_ENTER = AnimationUtils.loadAnimation(context, R.anim.anim_alpha_enter) | ||
| private val ANIM_ALPHA_EXIT = AnimationUtils.loadAnimation(context, R.anim.anim_alpha_exit) | ||
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| private val INTERPOLATOR_ACCELERATE = AnimationUtils.loadInterpolator(context, android.R.anim.accelerate_interpolator) | ||
| private val INTERPOLATOR_DECELERATE = AnimationUtils.loadInterpolator(context, android.R.anim.decelerate_interpolator) | ||
| private val INTERPOLATOR_ACCELERATE_DECELERATE = AnimationUtils.loadInterpolator(context, android.R.anim.accelerate_decelerate_interpolator) | ||
| private val INTERPOLATOR_BOUNCE = AnimationUtils.loadInterpolator(context, android.R.anim.bounce_interpolator) | ||
| private val INTERPOLATOR_OVERSHOOT = AnimationUtils.loadInterpolator(context, android.R.anim.overshoot_interpolator) | ||
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| private lateinit var positionAnim: Animation | ||
| private lateinit var alphaAnim: Animation | ||
| private var enterPosition: Position? = null | ||
| private var exitPosition: Position? = null | ||
| private var duration: Long? = null | ||
| private var alpha: Boolean = false | ||
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| internal var interpolator: Interpolator? = null | ||
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| fun enterFrom(position: Position) = apply { | ||
| this.enterPosition = position | ||
| } | ||
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| fun exitFrom(position: Position) = apply { | ||
| this.exitPosition = position | ||
| } | ||
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| fun customAnimation(animation: Animation) = apply { | ||
| this.positionAnim = animation | ||
| } | ||
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| fun customAnimation(@AnimRes id: Int) = apply { | ||
| this.positionAnim = AnimationUtils.loadAnimation(context, id) | ||
| } | ||
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| fun alpha(alpha: Boolean) = apply { this.alpha = alpha } | ||
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| fun accelerate() = apply { | ||
| this.interpolator = INTERPOLATOR_ACCELERATE | ||
| } | ||
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| fun decelerate() = apply { | ||
| this.interpolator = INTERPOLATOR_DECELERATE | ||
| } | ||
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| fun accelerateDecelerate() = apply { | ||
| this.interpolator = INTERPOLATOR_ACCELERATE_DECELERATE | ||
| } | ||
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| fun bounce() = apply { | ||
| this.interpolator = INTERPOLATOR_BOUNCE | ||
| } | ||
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| fun overshoot() = apply { | ||
| this.interpolator = INTERPOLATOR_OVERSHOOT | ||
| } | ||
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| fun interpolator(interpolator: Interpolator) = apply { | ||
| this.interpolator = interpolator | ||
| } | ||
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| fun interpolator(@InterpolatorRes id: Int) = apply { | ||
| this.interpolator = AnimationUtils.loadInterpolator(context, id) | ||
| } | ||
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| fun duration(duration: Long) = apply { | ||
| this.duration = duration | ||
| } | ||
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| fun build(): FlashAnim { | ||
| require((enterPosition != null).xor(exitPosition != null), | ||
| { "You must specify at least one of the animations but not both" }) | ||
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| val flashAnim = FlashAnim() | ||
| val animationSet = AnimationSet(false) | ||
| animationSet.fillAfter = true | ||
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| if (!::positionAnim.isInitialized) { | ||
| if (enterPosition != null) { | ||
| when (enterPosition) { | ||
| TOP -> positionAnim = ANIM_ENTER_TOP | ||
| BOTTOM -> positionAnim = ANIM_ENTER_BOTTOM | ||
| } | ||
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| if (alpha) alphaAnim = ANIM_ALPHA_ENTER | ||
| } | ||
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| if (exitPosition != null) { | ||
| when (exitPosition) { | ||
| TOP -> positionAnim = ANIM_EXIT_TOP | ||
| BOTTOM -> positionAnim = ANIM_EXIT_BOTTOM | ||
| } | ||
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| if (alpha) alphaAnim = ANIM_ALPHA_EXIT | ||
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| } | ||
| } | ||
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| animationSet.addAnimation(positionAnim) | ||
| if (::alphaAnim.isInitialized) { | ||
| animationSet.addAnimation(alphaAnim) | ||
| } | ||
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| animationSet.duration = if (duration != null) duration!! else DEFAULT_ANIM_DURATION | ||
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| if (interpolator != null) { | ||
| positionAnim.interpolator = interpolator | ||
| } | ||
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| flashAnim.animationSet = animationSet | ||
| return flashAnim | ||
| } | ||
| enum class Type { | ||
| ENTER, | ||
| EXIT, | ||
| } | ||
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| enum class Position { | ||
| TOP, | ||
| BOTTOM, | ||
| } | ||
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| enum class Alpha { | ||
| IN, | ||
| OUT, | ||
| } | ||
| } | ||
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| class FlashAnimBuilderRetriever(private val context: Context) { | ||
| fun animateBar() = FlashAnimBarBuilder(context) | ||
| fun animateIcon() = FlashAnimIconBuilder(context) | ||
| } |
187 changes: 187 additions & 0 deletions
187
flashbar/src/main/java/com/andrognito/flashbar/FlashAnimIconBuilder.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,187 @@ | ||
| package com.andrognito.flashbar | ||
|
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| import android.content.Context | ||
| import android.support.annotation.AnimRes | ||
| import android.support.annotation.InterpolatorRes | ||
| import android.view.animation.Animation | ||
| import android.view.animation.AnimationSet | ||
| import android.view.animation.AnimationUtils | ||
| import android.view.animation.Interpolator | ||
| import com.andrognito.flashbar.FlashAnim.Alpha.IN | ||
| import com.andrognito.flashbar.FlashAnim.Alpha.OUT | ||
| import com.andrognito.flashbar.FlashAnim.Position.BOTTOM | ||
| import com.andrognito.flashbar.FlashAnim.Position.TOP | ||
| import com.andrognito.flashbar.FlashAnim.Type.ENTER | ||
| import com.andrognito.flashbar.FlashAnim.Type.EXIT | ||
|
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| abstract class BaseFlashAnimBuilder(private val context: Context) { | ||
| private val DEFAULT_ANIM_DURATION = context.resources | ||
| .getInteger(R.integer.default_animation_duration).toLong() | ||
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| private val INTERPOLATOR_LINEAR = AnimationUtils.loadInterpolator(context, | ||
| android.R.anim.linear_interpolator) | ||
| private val INTERPOLATOR_ACCELERATE = AnimationUtils.loadInterpolator(context, | ||
| android.R.anim.accelerate_interpolator) | ||
| private val INTERPOLATOR_DECELERATE = AnimationUtils.loadInterpolator(context, | ||
| android.R.anim.decelerate_interpolator) | ||
| private val INTERPOLATOR_ACCELERATE_DECELERATE = AnimationUtils.loadInterpolator(context, | ||
| android.R.anim.accelerate_decelerate_interpolator) | ||
| private val INTERPOLATOR_OVERSHOOT = AnimationUtils.loadInterpolator(context, | ||
| android.R.anim.overshoot_interpolator) | ||
| private val INTERPOLATOR_ANTICIPATE_OVERSHOOT = AnimationUtils.loadInterpolator(context, | ||
| android.R.anim.anticipate_overshoot_interpolator) | ||
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| protected val ANIM_SLIDE_FROM_TOP = AnimationUtils.loadAnimation(context, R.anim.anim_enter_top) | ||
| protected val ANIM_SLIDE_FROM_BOTTOM = AnimationUtils.loadAnimation(context, R.anim.anim_enter_bottom) | ||
| protected val ANIM_SLIDE_TO_TOP = AnimationUtils.loadAnimation(context, R.anim.anim_exit_top) | ||
| protected val ANIM_SLIDE_TO_BOTTOM = AnimationUtils.loadAnimation(context, R.anim.anim_exit_bottom) | ||
| protected val ANIM_ALPHA_IN = AnimationUtils.loadAnimation(context, R.anim.anim_alpha_enter) | ||
| protected val ANIM_ALPHA_OUT = AnimationUtils.loadAnimation(context, R.anim.anim_alpha_exit) | ||
|
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| protected var duration: Long = DEFAULT_ANIM_DURATION | ||
| protected var interpolator: Interpolator = INTERPOLATOR_LINEAR | ||
| protected var animation: Animation? = null | ||
| protected var alpha: FlashAnim.Alpha? = null | ||
|
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| fun accelerate() = apply { | ||
| this.interpolator = INTERPOLATOR_ACCELERATE | ||
| } | ||
|
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| fun decelerate() = apply { | ||
| this.interpolator = INTERPOLATOR_DECELERATE | ||
| } | ||
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| fun accelerateDecelerate() = apply { | ||
| this.interpolator = INTERPOLATOR_ACCELERATE_DECELERATE | ||
| } | ||
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| fun overshoot() = apply { | ||
| this.interpolator = INTERPOLATOR_OVERSHOOT | ||
| } | ||
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| fun anticipateOvershoot() = apply { | ||
| this.interpolator = INTERPOLATOR_ANTICIPATE_OVERSHOOT | ||
| } | ||
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| fun interpolator(interpolator: Interpolator) = apply { | ||
| this.interpolator = interpolator | ||
| } | ||
|
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| fun interpolator(@InterpolatorRes id: Int) = apply { | ||
| this.interpolator = AnimationUtils.loadInterpolator(context, id) | ||
| } | ||
|
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| fun animation(animation: Animation) = apply { | ||
| this.animation = animation | ||
| } | ||
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| fun animation(@AnimRes id: Int) = apply { | ||
| this.animation = AnimationUtils.loadAnimation(context, id) | ||
| } | ||
|
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| fun alphaIn() = apply { this.alpha = IN } | ||
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| fun alphaOut() = apply { this.alpha = OUT } | ||
|
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| fun duration(millis: Long) = apply { | ||
| this.duration = millis | ||
| } | ||
|
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| abstract fun build(): FlashAnim | ||
| } | ||
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| class FlashAnimIconBuilder(context: Context) : BaseFlashAnimBuilder(context) { | ||
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| private val ANIM_PULSE = AnimationUtils.loadAnimation(context, R.anim.anim_pulse) | ||
|
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| fun pulse() = apply { this.animation = ANIM_PULSE } | ||
|
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| override fun build(): FlashAnim { | ||
| val flashAnim = FlashAnim() | ||
| val animationSet = AnimationSet(false) | ||
| animationSet.fillAfter = true | ||
| animationSet.addAnimation(animation) | ||
| animationSet.duration = duration | ||
| animationSet.interpolator = interpolator | ||
|
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| if (alpha != null) { | ||
| when (alpha) { | ||
| IN -> animationSet.addAnimation(ANIM_ALPHA_IN) | ||
| OUT -> animationSet.addAnimation(ANIM_ALPHA_OUT) | ||
| } | ||
| } | ||
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| flashAnim.animation = animationSet | ||
| return flashAnim | ||
| } | ||
| } | ||
|
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| class FlashAnimBarBuilder(context: Context) : BaseFlashAnimBuilder(context) { | ||
|
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| private var type: FlashAnim.Type? = null | ||
| private var position: FlashAnim.Position? = null | ||
| private var alphaEnabled: Boolean = false | ||
|
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| fun enterFrom(position: FlashAnim.Position) = apply { | ||
| require(this.type == null && this.position == null, | ||
| { "Animation position is already initialized" }) | ||
|
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| this.type = ENTER | ||
| this.position = position | ||
| } | ||
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| fun exitFrom(position: FlashAnim.Position) = apply { | ||
| require(this.type == null && this.position == null, | ||
| { "Animation position is already initialized" }) | ||
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| this.type = EXIT | ||
| this.position = position | ||
| } | ||
|
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| fun alpha() = apply { this.alphaEnabled = true } | ||
|
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| override fun build(): FlashAnim { | ||
| require(type != null && position != null, | ||
| { "You must specify the animation position" }) | ||
|
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| val flashAnim = FlashAnim() | ||
| val animationSet = AnimationSet(false) | ||
| animationSet.fillAfter = true | ||
| animationSet.duration = duration | ||
| animationSet.interpolator = interpolator | ||
|
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| // Only if custom animation is not applied | ||
| if (animation == null) { | ||
| when (type) { | ||
| ENTER -> { | ||
| when (position) { | ||
| TOP -> animation = ANIM_SLIDE_FROM_TOP | ||
| BOTTOM -> animation = ANIM_SLIDE_FROM_BOTTOM | ||
| } | ||
| } | ||
| EXIT -> { | ||
| when (position) { | ||
| TOP -> animation = ANIM_SLIDE_TO_TOP | ||
| BOTTOM -> animation = ANIM_SLIDE_TO_BOTTOM | ||
| } | ||
| } | ||
| } | ||
| } | ||
| animationSet.addAnimation(animation) | ||
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| if (alphaEnabled) { | ||
| when (type) { | ||
| ENTER -> animationSet.addAnimation(ANIM_ALPHA_IN) | ||
| EXIT -> animationSet.addAnimation(ANIM_ALPHA_OUT) | ||
| } | ||
| } else if (alpha != null) { | ||
| when (alpha) { | ||
| IN -> animationSet.addAnimation(ANIM_ALPHA_IN) | ||
| OUT -> animationSet.addAnimation(ANIM_ALPHA_OUT) | ||
| } | ||
| } | ||
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| flashAnim.animation = animationSet | ||
| return flashAnim | ||
| } | ||
| } |
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