Обновлён AnimatableImageView для поддержки TransitionAnimationDrawable
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@ -1,15 +1,20 @@
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package com.annimon.everlastingsummer;
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import java.util.HashMap;
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import java.util.Locale;
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import java.util.Map;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Color;
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import android.graphics.drawable.ColorDrawable;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.TransitionDrawable;
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import android.graphics.drawable.LayerDrawable;
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import android.util.AttributeSet;
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import android.util.SparseArray;
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import android.widget.ImageView;
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import com.annimon.everlastingsummer.drawables.TransitionAnimationDrawable;
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import com.annimon.everlastingsummer.transitions.Dissolve;
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import com.annimon.everlastingsummer.transitions.Fade;
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import com.annimon.everlastingsummer.transitions.Transition;
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import com.annimon.everlastingsummer.transitions.Transitions;
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/**
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* ImageView с поддержкой анимации переходов.
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@ -17,32 +22,12 @@ import android.widget.ImageView;
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*/
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public class AnimatableImageView extends ImageView {
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private static final Drawable BLACK_DRAWABLE = new ColorDrawable(0xFF000000);
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private static final Drawable WHITE_DRAWABLE = new ColorDrawable(0xFFFFFFFF);
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private static final Drawable RED_DRAWABLE = new ColorDrawable(0xFFFF0000);
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private static final Anim FADE = new Anim(1000, BLACK_DRAWABLE);
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private static final Anim FADE2 = new Anim(2000, BLACK_DRAWABLE);
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private static final Anim FADE3 = new Anim(3000, BLACK_DRAWABLE);
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private static final Anim DSPR = new Anim(200);
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private static final Anim DISSOLVE = new Anim(1000);
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private static final Anim DISSOLVE2 = new Anim(2000);
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private static final Anim FLASH = new Anim(1000, WHITE_DRAWABLE);
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private static final Anim FLASH2 = new Anim(2000, WHITE_DRAWABLE);
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private static final Anim FLASH_RED = new Anim(1000, RED_DRAWABLE);
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private static final Map<String, Anim> animations;
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private static final SparseArray<Drawable> colors;
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static {
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animations = new HashMap<String, AnimatableImageView.Anim>();
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animations.put("fade", FADE);
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animations.put("fade2", FADE2);
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animations.put("fade3", FADE3);
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animations.put("dspr", DSPR);
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animations.put("dissolve", DISSOLVE);
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animations.put("dissolve2", DISSOLVE2);
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animations.put("flash", FLASH);
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animations.put("flash2", FLASH2);
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animations.put("flash_red", FLASH_RED);
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colors = new SparseArray<Drawable>();
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colors.append(Color.WHITE, new ColorDrawable(Color.WHITE));
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colors.append(Color.BLACK, new ColorDrawable(Color.BLACK));
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colors.append(0xFFEE1111, new ColorDrawable(0xFFEE1111));
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}
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private Drawable previous;
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@ -92,39 +77,69 @@ public class AnimatableImageView extends ImageView {
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return setAnimationEffect(effect);
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}
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@Override
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public Drawable getDrawable() {
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final Drawable result = super.getDrawable();
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if (result == null) return new ColorDrawable();
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if (result instanceof LayerDrawable) {
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final LayerDrawable ld = (LayerDrawable) result;
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return ld.getDrawable(ld.getNumberOfLayers() - 1);
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}
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return result;
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}
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private int setAnimationEffect(String animEffect) {
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final String effect = animEffect.toLowerCase(Locale.ENGLISH);
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if (!animations.containsKey(effect)) return 0;
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if (!Transitions.contains(effect)) return 0;
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final Anim anim = animations.get(effect);
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final Transition transition = Transitions.get(effect);
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switch (transition.type()) {
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final Drawable[] layers = new Drawable[2];
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layers[0] = anim.usePreviousDrawable ? previous : anim.drawable;
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layers[1] = getDrawable();
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case Transition.TYPE_FADE: {
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final TransitionAnimationDrawable drawable = fade((Fade) transition);
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setImageDrawable(drawable);
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drawable.startTransition();
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return drawable.getFullDuration();
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}
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final TransitionDrawable transition = new TransitionDrawable(layers);
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setImageDrawable(transition);
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transition.startTransition(anim.duration);
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return anim.duration;
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case Transition.TYPE_DISSOLVE: {
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final Dissolve dissolve = (Dissolve) transition;
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final int delay = dissolve.getDelay();
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final TransitionAnimationDrawable drawable =
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new TransitionAnimationDrawable(delay, previous, getDrawable());
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setImageDrawable(drawable);
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drawable.setCrossFadeEnabled(true);
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drawable.startTransition();
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return drawable.getFullDuration();
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}
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default:
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return 0;
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}
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}
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private static class Anim {
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final int duration;
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final boolean usePreviousDrawable;
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final Drawable drawable;
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private TransitionAnimationDrawable fade(Fade fade) {
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final int fadeColor = fade.getColor();
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Anim(int duration) {
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this(duration, true, null);
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// Достаём ColorDrawable из кэша или создаём новый и кладём в кэш
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Drawable fadeColorDrawable;
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if (colors.indexOfKey(fadeColor) < 0) {
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fadeColorDrawable = new ColorDrawable(fadeColor);
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colors.put(fadeColor, fadeColorDrawable);
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} else {
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fadeColorDrawable = colors.get(fadeColor);
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}
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Anim(int duration, Drawable drawable) {
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this(duration, false, drawable);
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}
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Anim(int duration, boolean usePreviousDrawable, Drawable drawable) {
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this.duration = duration;
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this.usePreviousDrawable = usePreviousDrawable;
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this.drawable = drawable;
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final TransitionAnimationDrawable.Builder builder = new TransitionAnimationDrawable.Builder();
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builder.add(0, previous);
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// img1 -> color
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builder.add(fade.getOutTime(), fadeColorDrawable);
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if (fade.getHoldTime() > 0) {
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// color ~ color
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builder.add(fade.getHoldTime(), new ColorDrawable(fadeColor)); // копия обязательна!
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}
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// color -> img2
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builder.add(fade.getInTime(), getDrawable());
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return builder.build();
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}
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}
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