up

app/src/main/java/io/legado/app/ui/widget/anima/RotateLoading.kt

@@ -1,4 +1,4 @@
-package io.legado.app.ui.widget
+package io.legado.app.ui.widget.anima
 
 import android.animation.Animator
 import android.animation.AnimatorSet
@@ -61,7 +61,8 @@ class RotateLoading : View {
         loadingColor = Color.WHITE
         thisWidth = dpToPx(context, DEFAULT_WIDTH.toFloat())
         shadowPosition = dpToPx(getContext(), DEFAULT_SHADOW_POSITION.toFloat())
-        speedOfDegree = DEFAULT_SPEED_OF_DEGREE
+        speedOfDegree =
+            DEFAULT_SPEED_OF_DEGREE
 
         if (null != attrs) {
             val typedArray = context.obtainStyledAttributes(attrs, R.styleable.RotateLoading)
@@ -70,8 +71,14 @@ class RotateLoading : View {
                 R.styleable.RotateLoading_loading_width,
                 dpToPx(context, DEFAULT_WIDTH.toFloat())
             )
-            shadowPosition = typedArray.getInt(R.styleable.RotateLoading_shadow_position, DEFAULT_SHADOW_POSITION)
-            speedOfDegree = typedArray.getInt(R.styleable.RotateLoading_loading_speed, DEFAULT_SPEED_OF_DEGREE)
+            shadowPosition = typedArray.getInt(
+                R.styleable.RotateLoading_shadow_position,
+                DEFAULT_SHADOW_POSITION
+            )
+            speedOfDegree = typedArray.getInt(
+                R.styleable.RotateLoading_loading_speed,
+                DEFAULT_SPEED_OF_DEGREE
+            )
             typedArray.recycle()
         }
         speedOfArc = (speedOfDegree / 4).toFloat()

app/src/main/java/io/legado/app/ui/widget/anima/explosion_field/ExplosionAnimator.kt

@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2015 tyrantgit
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.legado.app.ui.widget.anima.explosion_field
+
+import android.animation.ValueAnimator
+import android.graphics.*
+import android.view.View
+import android.view.animation.AccelerateInterpolator
+import java.util.*
+
+class ExplosionAnimator(private val mContainer: View, bitmap: Bitmap, bound: Rect) :
+    ValueAnimator() {
+    private val mPaint: Paint
+    private val mParticles: Array<Particle?>
+    private val mBound: Rect
+
+    init {
+        mPaint = Paint()
+        mBound = Rect(bound)
+        val partLen = 15
+        mParticles = arrayOfNulls(partLen * partLen)
+        val random = Random(System.currentTimeMillis())
+        val w = bitmap.width / (partLen + 2)
+        val h = bitmap.height / (partLen + 2)
+        for (i in 0 until partLen) {
+            for (j in 0 until partLen) {
+                mParticles[i * partLen + j] =
+                    generateParticle(bitmap.getPixel((j + 1) * w, (i + 1) * h), random)
+            }
+        }
+        setFloatValues(0f, END_VALUE)
+        interpolator = DEFAULT_INTERPOLATOR
+        duration = DEFAULT_DURATION
+    }
+
+    private fun generateParticle(color: Int, random: Random): Particle {
+        val particle = Particle()
+        particle.color = color
+        particle.radius = V
+        if (random.nextFloat() < 0.2f) {
+            particle.baseRadius = V + (X - V) * random.nextFloat()
+        } else {
+            particle.baseRadius = W + (V - W) * random.nextFloat()
+        }
+        val nextFloat = random.nextFloat()
+        particle.top = mBound.height() * (0.18f * random.nextFloat() + 0.2f)
+        particle.top =
+            if (nextFloat < 0.2f) particle.top else particle.top + particle.top * 0.2f * random.nextFloat()
+        particle.bottom = mBound.height() * (random.nextFloat() - 0.5f) * 1.8f
+        var f =
+            if (nextFloat < 0.2f) particle.bottom else if (nextFloat < 0.8f) particle.bottom * 0.6f else particle.bottom * 0.3f
+        particle.bottom = f
+        particle.mag = 4.0f * particle.top / particle.bottom
+        particle.neg = -particle.mag / particle.bottom
+        f = mBound.centerX() + Y * (random.nextFloat() - 0.5f)
+        particle.baseCx = f
+        particle.cx = f
+        f = mBound.centerY() + Y * (random.nextFloat() - 0.5f)
+        particle.baseCy = f
+        particle.cy = f
+        particle.life = END_VALUE / 10 * random.nextFloat()
+        particle.overflow = 0.4f * random.nextFloat()
+        particle.alpha = 1f
+        return particle
+    }
+
+    fun draw(canvas: Canvas): Boolean {
+        if (!isStarted) {
+            return false
+        }
+        for (particle in mParticles) {
+            particle?.let {
+                particle.advance(animatedValue as Float)
+                if (particle.alpha > 0f) {
+                    mPaint.color = particle.color
+                    mPaint.alpha = (Color.alpha(particle.color) * particle.alpha).toInt()
+                    canvas.drawCircle(particle.cx, particle.cy, particle.radius, mPaint)
+                }
+            }
+        }
+        mContainer.invalidate()
+        return true
+    }
+
+    override fun start() {
+        super.start()
+        mContainer.invalidate(mBound)
+    }
+
+    private inner class Particle {
+        internal var alpha: Float = 0.toFloat()
+        internal var color: Int = 0
+        internal var cx: Float = 0.toFloat()
+        internal var cy: Float = 0.toFloat()
+        internal var radius: Float = 0.toFloat()
+        internal var baseCx: Float = 0.toFloat()
+        internal var baseCy: Float = 0.toFloat()
+        internal var baseRadius: Float = 0.toFloat()
+        internal var top: Float = 0.toFloat()
+        internal var bottom: Float = 0.toFloat()
+        internal var mag: Float = 0.toFloat()
+        internal var neg: Float = 0.toFloat()
+        internal var life: Float = 0.toFloat()
+        internal var overflow: Float = 0.toFloat()
+
+
+        fun advance(factor: Float) {
+            var f = 0f
+            var normalization = factor / END_VALUE
+            if (normalization < life || normalization > 1f - overflow) {
+                alpha = 0f
+                return
+            }
+            normalization = (normalization - life) / (1f - life - overflow)
+            val f2 = normalization * END_VALUE
+            if (normalization >= 0.7f) {
+                f = (normalization - 0.7f) / 0.3f
+            }
+            alpha = 1f - f
+            f = bottom * f2
+            cx = baseCx + f
+            cy = (baseCy - this.neg * Math.pow(f.toDouble(), 2.0)).toFloat() - f * mag
+            radius = V + (baseRadius - V) * f2
+        }
+    }
+
+    companion object {
+
+        internal var DEFAULT_DURATION: Long = 0x400
+        private val DEFAULT_INTERPOLATOR = AccelerateInterpolator(0.6f)
+        private val END_VALUE = 1.4f
+        private val X = Utils.dp2Px(5).toFloat()
+        private val Y = Utils.dp2Px(20).toFloat()
+        private val V = Utils.dp2Px(2).toFloat()
+        private val W = Utils.dp2Px(1).toFloat()
+    }
+}

app/src/main/java/io/legado/app/ui/widget/anima/explosion_field/ExplosionField.kt

@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 2015 tyrantgit
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.legado.app.ui.widget.anima.explosion_field
+
+import android.animation.Animator
+import android.animation.AnimatorListenerAdapter
+import android.animation.ValueAnimator
+import android.app.Activity
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.Rect
+import android.media.MediaPlayer
+import android.util.AttributeSet
+import android.util.Log
+import android.view.View
+import android.view.ViewGroup
+import android.view.Window
+import java.util.*
+
+
+class ExplosionField : View {
+
+    private var customDuration = ExplosionAnimator.DEFAULT_DURATION
+    private var idPlayAnimationEffect = 0
+    private var mZAnimatorListener: OnAnimatorListener? = null
+    private var mOnClickListener: View.OnClickListener? = null
+
+    private val mExplosions = ArrayList<ExplosionAnimator>()
+    private val mExpandInset = IntArray(2)
+
+    constructor(context: Context) : super(context) {
+        init()
+    }
+
+    constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
+        init()
+    }
+
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(
+        context,
+        attrs,
+        defStyleAttr
+    ) {
+        init()
+    }
+
+    private fun init() {
+
+        Arrays.fill(mExpandInset, Utils.dp2Px(32))
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        super.onDraw(canvas)
+        for (explosion in mExplosions) {
+            explosion.draw(canvas)
+        }
+    }
+
+    fun playSoundAnimationEffect(id: Int) {
+        this.idPlayAnimationEffect = id
+    }
+
+    fun setCustomDuration(customDuration: Long) {
+        this.customDuration = customDuration
+    }
+
+    fun addActionEvent(ievents: OnAnimatorListener) {
+        this.mZAnimatorListener = ievents
+    }
+
+
+    fun expandExplosionBound(dx: Int, dy: Int) {
+        mExpandInset[0] = dx
+        mExpandInset[1] = dy
+    }
+
+    @JvmOverloads
+    fun explode(bitmap: Bitmap?, bound: Rect, startDelay: Long, view: View? = null) {
+        val currentDuration = customDuration
+        val explosion = ExplosionAnimator(this, bitmap!!, bound)
+        explosion.addListener(object : AnimatorListenerAdapter() {
+            override fun onAnimationEnd(animation: Animator) {
+                mExplosions.remove(animation)
+                if (view != null) {
+                    view.scaleX = 1f
+                    view.scaleY = 1f
+                    view.alpha = 1f
+                    view.setOnClickListener(mOnClickListener)//set event
+
+                }
+            }
+        })
+        explosion.startDelay = startDelay
+        explosion.duration = currentDuration
+        mExplosions.add(explosion)
+        explosion.start()
+    }
+
+    @JvmOverloads
+    fun explode(view: View, restartState: Boolean? = false) {
+
+        val r = Rect()
+        view.getGlobalVisibleRect(r)
+        val location = IntArray(2)
+        getLocationOnScreen(location)
+        //        getLocationInWindow(location);
+        //        view.getLocationInWindow(location);
+        r.offset(-location[0], -location[1])
+        r.inset(-mExpandInset[0], -mExpandInset[1])
+        val startDelay = 100
+        val animator = ValueAnimator.ofFloat(0f, 1f).setDuration(150)
+        animator.addUpdateListener(object : ValueAnimator.AnimatorUpdateListener {
+
+            internal var random = Random()
+
+            override fun onAnimationUpdate(animation: ValueAnimator) {
+                view.translationX = (random.nextFloat() - 0.5f) * view.width.toFloat() * 0.05f
+                view.translationY = (random.nextFloat() - 0.5f) * view.height.toFloat() * 0.05f
+            }
+        })
+
+        animator.addListener(object : Animator.AnimatorListener {
+            override fun onAnimationStart(animator: Animator) {
+                if (idPlayAnimationEffect != 0)
+                    MediaPlayer.create(context, idPlayAnimationEffect).start()
+            }
+
+            override fun onAnimationEnd(animator: Animator) {
+                if (mZAnimatorListener != null) {
+                    mZAnimatorListener!!.onAnimationEnd(animator, this@ExplosionField)
+                }
+            }
+
+            override fun onAnimationCancel(animator: Animator) {
+                Log.i("PRUEBA", "CANCEL")
+            }
+
+            override fun onAnimationRepeat(animator: Animator) {
+                Log.i("PRUEBA", "REPEAT")
+            }
+        })
+
+        animator.start()
+        view.animate().setDuration(150).setStartDelay(startDelay.toLong()).scaleX(0f).scaleY(0f)
+            .alpha(0f).start()
+        if (restartState!!)
+            explode(Utils.createBitmapFromView(view), r, startDelay.toLong(), view)
+        else
+            explode(Utils.createBitmapFromView(view), r, startDelay.toLong())
+
+    }
+
+    fun clear() {
+        mExplosions.clear()
+        invalidate()
+    }
+
+    override fun setOnClickListener(mOnClickListener: View.OnClickListener?) {
+        this.mOnClickListener = mOnClickListener
+    }
+
+    companion object {
+
+        fun attach2Window(activity: Activity): ExplosionField {
+            val rootView = activity.findViewById<View>(Window.ID_ANDROID_CONTENT) as ViewGroup
+            val explosionField = ExplosionField(activity)
+            rootView.addView(
+                explosionField, ViewGroup.LayoutParams(
+                    ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT
+                )
+            )
+            return explosionField
+        }
+    }
+
+
+}

app/src/main/java/io/legado/app/ui/widget/anima/explosion_field/OnAnimatorListener.kt

@@ -0,0 +1,8 @@
+package io.legado.app.ui.widget.anima.explosion_field
+
+import android.animation.Animator
+import android.view.View
+
+interface OnAnimatorListener {
+    fun onAnimationEnd(animator: Animator, view: View)
+}

app/src/main/java/io/legado/app/ui/widget/anima/explosion_field/Utils.kt

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2015 tyrantgit
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.legado.app.ui.widget.anima.explosion_field
+
+
+import android.content.res.Resources
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.drawable.BitmapDrawable
+import android.view.View
+import android.widget.ImageView
+
+object Utils {
+
+    private val DENSITY = Resources.getSystem().displayMetrics.density
+    private val sCanvas = Canvas()
+
+    fun dp2Px(dp: Int): Int {
+        return Math.round(dp * DENSITY)
+    }
+
+    fun createBitmapFromView(view: View): Bitmap? {
+        if (view is ImageView) {
+            val drawable = view.drawable
+            if (drawable != null && drawable is BitmapDrawable) {
+                return drawable.bitmap
+            }
+        }
+        view.clearFocus()
+        val bitmap = createBitmapSafely(
+            view.width,
+            view.height, Bitmap.Config.ARGB_8888, 1
+        )
+        if (bitmap != null) {
+            synchronized(sCanvas) {
+                val canvas = sCanvas
+                canvas.setBitmap(bitmap)
+                view.draw(canvas)
+                canvas.setBitmap(null)
+            }
+        }
+        return bitmap
+    }
+
+    fun createBitmapSafely(
+        width: Int,
+        height: Int,
+        config: Bitmap.Config,
+        retryCount: Int
+    ): Bitmap? {
+        try {
+            return Bitmap.createBitmap(width, height, config)
+        } catch (e: OutOfMemoryError) {
+            e.printStackTrace()
+            if (retryCount > 0) {
+                System.gc()
+                return createBitmapSafely(width, height, config, retryCount - 1)
+            }
+            return null
+        }
+
+    }
+}