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Merge "Revert "add support for rendering lottie animations through a LottieDrawable""

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This commit is contained in:
Leon Scroggins
2023-01-20 17:08:17 +00:00
committed by Android (Google) Code Review
parent c518b75b1a 659fd20211
commit cf6a5dec3a
17 changed files with 0 additions and 634 deletions
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151
graphics/java/android/graphics/drawable/LottieDrawable.java
View File

@@ -1,151 +0,0 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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 android.graphics.drawable;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SuppressLint;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.PixelFormat;
import dalvik.annotation.optimization.FastNative;
import libcore.util.NativeAllocationRegistry;
import java.io.IOException;
/**
* {@link Drawable} for drawing Lottie files.
*
* <p>The framework handles decoding subsequent frames in another thread and
* updating when necessary. The drawable will only animate while it is being
* displayed.</p>
*
* @hide
*/
@SuppressLint("NotCloseable")
public class LottieDrawable extends Drawable implements Animatable {
private long mNativePtr;
/**
* Create an animation from the provided JSON string
* @hide
*/
private LottieDrawable(@NonNull String animationJson) throws IOException {
mNativePtr = nCreate(animationJson);
if (mNativePtr == 0) {
throw new IOException("could not make LottieDrawable from json");
}
final long nativeSize = nNativeByteSize(mNativePtr);
NativeAllocationRegistry registry = new NativeAllocationRegistry(
LottieDrawable.class.getClassLoader(), nGetNativeFinalizer(), nativeSize);
registry.registerNativeAllocation(this, mNativePtr);
}
/**
* Factory for LottieDrawable, throws IOException if native Skottie Builder fails to parse
*/
public static LottieDrawable makeLottieDrawable(@NonNull String animationJson)
throws IOException {
return new LottieDrawable(animationJson);
}
/**
* Draw the current frame to the Canvas.
* @hide
*/
@Override
public void draw(@NonNull Canvas canvas) {
if (mNativePtr == 0) {
throw new IllegalStateException("called draw on empty LottieDrawable");
}
nDraw(mNativePtr, canvas.getNativeCanvasWrapper());
}
/**
* Start the animation. Needs to be called before draw calls.
* @hide
*/
@Override
public void start() {
if (mNativePtr == 0) {
throw new IllegalStateException("called start on empty LottieDrawable");
}
if (nStart(mNativePtr)) {
invalidateSelf();
}
}
/**
* Stops the animation playback. Does not release anything.
* @hide
*/
@Override
public void stop() {
if (mNativePtr == 0) {
throw new IllegalStateException("called stop on empty LottieDrawable");
}
nStop(mNativePtr);
}
/**
* Return whether the animation is currently running.
*/
@Override
public boolean isRunning() {
if (mNativePtr == 0) {
throw new IllegalStateException("called isRunning on empty LottieDrawable");
}
return nIsRunning(mNativePtr);
}
@Override
public int getOpacity() {
// We assume translucency to avoid checking each pixel.
return PixelFormat.TRANSLUCENT;
}
@Override
public void setAlpha(int alpha) {
//TODO
}
@Override
public void setColorFilter(@Nullable ColorFilter colorFilter) {
//TODO
}
private static native long nCreate(String json);
private static native void nDraw(long nativeInstance, long nativeCanvas);
@FastNative
private static native long nGetNativeFinalizer();
@FastNative
private static native long nNativeByteSize(long nativeInstance);
@FastNative
private static native boolean nIsRunning(long nativeInstance);
@FastNative
private static native boolean nStart(long nativeInstance);
@FastNative
private static native boolean nStop(long nativeInstance);
}

4
libs/hwui/Android.bp
View File

@@ -78,7 +78,6 @@ cc_defaults {
"external/skia/src/utils",
"external/skia/src/gpu",
"external/skia/src/shaders",
"external/skia/modules/skottie",
],
},
host: {
@@ -388,7 +387,6 @@ cc_defaults {
"external/skia/src/effects",
"external/skia/src/image",
"external/skia/src/images",
"external/skia/modules/skottie",
],
shared_libs: [
@@ -420,7 +418,6 @@ cc_defaults {
"jni/BitmapRegionDecoder.cpp",
"jni/GIFMovie.cpp",
"jni/GraphicsStatsService.cpp",
"jni/LottieDrawable.cpp",
"jni/Movie.cpp",
"jni/MovieImpl.cpp",
"jni/pdf/PdfDocument.cpp",
@@ -528,7 +525,6 @@ cc_defaults {
"hwui/BlurDrawLooper.cpp",
"hwui/Canvas.cpp",
"hwui/ImageDecoder.cpp",
"hwui/LottieDrawable.cpp",
"hwui/MinikinSkia.cpp",
"hwui/MinikinUtils.cpp",
"hwui/PaintImpl.cpp",

4
libs/hwui/SkiaCanvas.cpp
View File

@@ -740,10 +740,6 @@ double SkiaCanvas::drawAnimatedImage(AnimatedImageDrawable* imgDrawable) {
return imgDrawable->drawStaging(mCanvas);
}
void SkiaCanvas::drawLottie(LottieDrawable* lottieDrawable) {
lottieDrawable->drawStaging(mCanvas);
}
void SkiaCanvas::drawVectorDrawable(VectorDrawableRoot* vectorDrawable) {
vectorDrawable->drawStaging(this);
}

1
libs/hwui/SkiaCanvas.h
View File

@@ -144,7 +144,6 @@ public:
float dstTop, float dstRight, float dstBottom,
const Paint* paint) override;
virtual double drawAnimatedImage(AnimatedImageDrawable* imgDrawable) override;
virtual void drawLottie(LottieDrawable* lottieDrawable) override;
virtual void drawVectorDrawable(VectorDrawableRoot* vectorDrawable) override;

2
libs/hwui/apex/jni_runtime.cpp
View File

@@ -37,7 +37,6 @@ extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
extern int register_android_graphics_Graphics(JNIEnv* env);
extern int register_android_graphics_ImageDecoder(JNIEnv*);
extern int register_android_graphics_drawable_AnimatedImageDrawable(JNIEnv*);
extern int register_android_graphics_drawable_LottieDrawable(JNIEnv*);
extern int register_android_graphics_Interpolator(JNIEnv* env);
extern int register_android_graphics_MaskFilter(JNIEnv* env);
extern int register_android_graphics_Movie(JNIEnv* env);
@@ -118,7 +117,6 @@ extern int register_android_graphics_HardwareBufferRenderer(JNIEnv* env);
REG_JNI(register_android_graphics_HardwareRendererObserver),
REG_JNI(register_android_graphics_ImageDecoder),
REG_JNI(register_android_graphics_drawable_AnimatedImageDrawable),
REG_JNI(register_android_graphics_drawable_LottieDrawable),
REG_JNI(register_android_graphics_Interpolator),
REG_JNI(register_android_graphics_MaskFilter),
REG_JNI(register_android_graphics_Matrix),

2
libs/hwui/hwui/Canvas.h
View File

@@ -60,7 +60,6 @@ typedef uirenderer::VectorDrawable::Tree VectorDrawableRoot;
typedef std::function<void(uint16_t* text, float* positions)> ReadGlyphFunc;
class AnimatedImageDrawable;
class LottieDrawable;
class Bitmap;
class Paint;
struct Typeface;
@@ -243,7 +242,6 @@ public:
const Paint* paint) = 0;
virtual double drawAnimatedImage(AnimatedImageDrawable* imgDrawable) = 0;
virtual void drawLottie(LottieDrawable* lottieDrawable) = 0;
virtual void drawPicture(const SkPicture& picture) = 0;
/**

83
libs/hwui/hwui/LottieDrawable.cpp
View File

@@ -1,83 +0,0 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
#include "LottieDrawable.h"
#include <SkTime.h>
#include <log/log.h>
#include <pipeline/skia/SkiaUtils.h>
namespace android {
sk_sp<LottieDrawable> LottieDrawable::Make(sk_sp<skottie::Animation> animation, size_t bytesUsed) {
if (animation) {
return sk_sp<LottieDrawable>(new LottieDrawable(std::move(animation), bytesUsed));
}
return nullptr;
}
LottieDrawable::LottieDrawable(sk_sp<skottie::Animation> animation, size_t bytesUsed)
: mAnimation(std::move(animation)), mBytesUsed(bytesUsed) {}
bool LottieDrawable::start() {
if (mRunning) {
return false;
}
mRunning = true;
return true;
}
bool LottieDrawable::stop() {
bool wasRunning = mRunning;
mRunning = false;
return wasRunning;
}
bool LottieDrawable::isRunning() {
return mRunning;
}
// TODO: Check to see if drawable is actually dirty
bool LottieDrawable::isDirty() {
return true;
}
void LottieDrawable::onDraw(SkCanvas* canvas) {
if (mRunning) {
const nsecs_t currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
nsecs_t t = 0;
if (mStartTime == 0) {
mStartTime = currentTime;
} else {
t = currentTime - mStartTime;
}
double seekTime = std::fmod((double)t * 1e-9, mAnimation->duration());
mAnimation->seekFrameTime(seekTime);
mAnimation->render(canvas);
}
}
void LottieDrawable::drawStaging(SkCanvas* canvas) {
onDraw(canvas);
}
SkRect LottieDrawable::onGetBounds() {
// We do not actually know the bounds, so give a conservative answer.
return SkRectMakeLargest();
}
} // namespace android

67
libs/hwui/hwui/LottieDrawable.h
View File

@@ -1,67 +0,0 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
#pragma once
#include <SkDrawable.h>
#include <Skottie.h>
#include <utils/Timers.h>
class SkCanvas;
namespace android {
/**
* Native component of android.graphics.drawable.LottieDrawable.java.
* This class can be drawn into Canvas.h and maintains the state needed to drive
* the animation from the RenderThread.
*/
class LottieDrawable : public SkDrawable {
public:
static sk_sp<LottieDrawable> Make(sk_sp<skottie::Animation> animation, size_t bytes);
// Draw to software canvas
void drawStaging(SkCanvas* canvas);
// Returns true if the animation was started; false otherwise (e.g. it was
// already running)
bool start();
// Returns true if the animation was stopped; false otherwise (e.g. it was
// already stopped)
bool stop();
bool isRunning();
// TODO: Is dirty should take in a time til next frame to determine if it is dirty
bool isDirty();
SkRect onGetBounds() override;
size_t byteSize() const { return sizeof(*this) + mBytesUsed; }
protected:
void onDraw(SkCanvas* canvas) override;
private:
LottieDrawable(sk_sp<skottie::Animation> animation, size_t bytes_used);
sk_sp<skottie::Animation> mAnimation;
bool mRunning = false;
// The start time for the drawable itself.
nsecs_t mStartTime = 0;
const size_t mBytesUsed = 0;
};
} // namespace android

91
libs/hwui/jni/LottieDrawable.cpp
View File

@@ -1,91 +0,0 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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.
*/
#include <SkRect.h>
#include <Skottie.h>
#include <hwui/Canvas.h>
#include <hwui/LottieDrawable.h>
#include "GraphicsJNI.h"
#include "Utils.h"
using namespace android;
static jclass gLottieDrawableClass;
static jlong LottieDrawable_nCreate(JNIEnv* env, jobject, jstring jjson) {
const ScopedUtfChars cstr(env, jjson);
// TODO(b/259267150) provide more accurate byteSize
size_t bytes = strlen(cstr.c_str());
auto animation = skottie::Animation::Builder().make(cstr.c_str(), bytes);
sk_sp<LottieDrawable> drawable(LottieDrawable::Make(std::move(animation), bytes));
if (!drawable) {
return 0;
}
return reinterpret_cast<jlong>(drawable.release());
}
static void LottieDrawable_destruct(LottieDrawable* drawable) {
SkSafeUnref(drawable);
}
static jlong LottieDrawable_nGetNativeFinalizer(JNIEnv* /*env*/, jobject /*clazz*/) {
return static_cast<jlong>(reinterpret_cast<uintptr_t>(&LottieDrawable_destruct));
}
static void LottieDrawable_nDraw(JNIEnv* env, jobject /*clazz*/, jlong nativePtr, jlong canvasPtr) {
auto* drawable = reinterpret_cast<LottieDrawable*>(nativePtr);
auto* canvas = reinterpret_cast<Canvas*>(canvasPtr);
canvas->drawLottie(drawable);
}
static jboolean LottieDrawable_nIsRunning(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
auto* drawable = reinterpret_cast<LottieDrawable*>(nativePtr);
return drawable->isRunning();
}
static jboolean LottieDrawable_nStart(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
auto* drawable = reinterpret_cast<LottieDrawable*>(nativePtr);
return drawable->start();
}
static jboolean LottieDrawable_nStop(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
auto* drawable = reinterpret_cast<LottieDrawable*>(nativePtr);
return drawable->stop();
}
static jlong LottieDrawable_nNativeByteSize(JNIEnv* env, jobject /*clazz*/, jlong nativePtr) {
auto* drawable = reinterpret_cast<LottieDrawable*>(nativePtr);
return drawable->byteSize();
}
static const JNINativeMethod gLottieDrawableMethods[] = {
{"nCreate", "(Ljava/lang/String;)J", (void*)LottieDrawable_nCreate},
{"nNativeByteSize", "(J)J", (void*)LottieDrawable_nNativeByteSize},
{"nGetNativeFinalizer", "()J", (void*)LottieDrawable_nGetNativeFinalizer},
{"nDraw", "(JJ)V", (void*)LottieDrawable_nDraw},
{"nIsRunning", "(J)Z", (void*)LottieDrawable_nIsRunning},
{"nStart", "(J)Z", (void*)LottieDrawable_nStart},
{"nStop", "(J)Z", (void*)LottieDrawable_nStop},
};
int register_android_graphics_drawable_LottieDrawable(JNIEnv* env) {
gLottieDrawableClass = reinterpret_cast<jclass>(
env->NewGlobalRef(FindClassOrDie(env, "android/graphics/drawable/LottieDrawable")));
return android::RegisterMethodsOrDie(env, "android/graphics/drawable/LottieDrawable",
gLottieDrawableMethods, NELEM(gLottieDrawableMethods));
}

10
libs/hwui/pipeline/skia/SkiaDisplayList.cpp
View File

@@ -146,16 +146,6 @@ bool SkiaDisplayList::prepareListAndChildren(
}
}
for (auto& lottie : mLotties) {
// If any animated image in the display list needs updated, then damage the node.
if (lottie->isDirty()) {
isDirty = true;
}
if (lottie->isRunning()) {
info.out.hasAnimations = true;
}
}
for (auto& [vectorDrawable, cachedMatrix] : mVectorDrawables) {
// If any vector drawable in the display list needs update, damage the node.
if (vectorDrawable->isDirty()) {

3
libs/hwui/pipeline/skia/SkiaDisplayList.h
View File

@@ -22,7 +22,6 @@
#include "RenderNodeDrawable.h"
#include "TreeInfo.h"
#include "hwui/AnimatedImageDrawable.h"
#include "hwui/LottieDrawable.h"
#include "utils/LinearAllocator.h"
#include "utils/Pair.h"
@@ -187,8 +186,6 @@ public:
return mHasHolePunches;
}
// TODO(b/257304231): create common base class for Lotties and AnimatedImages
std::vector<LottieDrawable*> mLotties;
std::vector<AnimatedImageDrawable*> mAnimatedImages;
DisplayListData mDisplayList;

5
libs/hwui/pipeline/skia/SkiaRecordingCanvas.cpp
View File

@@ -189,11 +189,6 @@ void SkiaRecordingCanvas::drawWebViewFunctor(int functor) {
#endif
}
void SkiaRecordingCanvas::drawLottie(LottieDrawable* lottie) {
drawDrawable(lottie);
mDisplayList->mLotties.push_back(lottie);
}
void SkiaRecordingCanvas::drawVectorDrawable(VectorDrawableRoot* tree) {
mRecorder.drawVectorDrawable(tree);
SkMatrix mat;

1
libs/hwui/pipeline/skia/SkiaRecordingCanvas.h
View File

@@ -78,7 +78,6 @@ public:
uirenderer::CanvasPropertyPaint* paint) override;
virtual void drawRipple(const RippleDrawableParams& params) override;
virtual void drawLottie(LottieDrawable* lottieDrawable) override;
virtual void drawVectorDrawable(VectorDrawableRoot* vectorDrawable) override;
virtual void enableZ(bool enableZ) override;

2
tests/VectorDrawableTest/Android.bp
View File

@@ -26,7 +26,5 @@ package {
android_test {
name: "VectorDrawableTest",
srcs: ["**/*.java"],
// certificate set as platform to allow testing of @hidden APIs
certificate: "platform",
platform_apis: true,
}

9
tests/VectorDrawableTest/AndroidManifest.xml
View File

@@ -158,15 +158,6 @@
<category android:name="com.android.test.dynamic.TEST"/>
</intent-filter>
</activity>
<activity android:name="LottieDrawableTest"
android:label="Lottie test bed"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="com.android.test.dynamic.TEST" />
</intent-filter>
</activity>
</application>
</manifest>

123
tests/VectorDrawableTest/res/raw/lottie.json
View File

@@ -1,123 +0,0 @@
{
"v":"4.6.9",
"fr":60,
"ip":0,
"op":200,
"w":800,
"h":600,
"nm":"Loader 1 JSON",
"ddd":0,
"layers":[
{
"ddd":0,
"ind":1,
"ty":4,
"nm":"Custom Path 1",
"ao": 0,
"ip": 0,
"op": 300,
"st": 0,
"sr": 1,
"bm": 0,
"ks": {
"o": { "a":0, "k":100 },
"r": { "a":1, "k": [
{ "s": [ 0 ], "e": [ 360], "i": { "x":0.5, "y":0.5 }, "o": { "x":0.5, "y":0.5 }, "t": 0 },
{ "t": 200 }
] },
"p": { "a":0, "k":[ 300, 300, 0 ] },
"a": { "a":0, "k":[ 100, 100, 0 ] },
"s": { "a":1, "k":[
{ "s": [ 100, 100 ], "e": [ 200, 200 ], "i": { "x":0.5, "y":0.5 }, "o": { "x":0.5, "y":0.5 }, "t": 0 },
{ "s": [ 200, 200 ], "e": [ 100, 100 ], "i": { "x":0.5, "y":0.5 }, "o": { "x":0.5, "y":0.5 }, "t": 100 },
{ "t": 200 }
] }
},
"shapes":[
{
"ty":"gr",
"it":[
{
"ty" : "sh",
"nm" : "Path 1",
"ks" : {
"a" : 1,
"k" : [
{
"s": [ {
"i": [ [ 0, 50 ], [ -50, 0 ], [ 0, -50 ], [ 50, 0 ] ],
"o": [ [ 0, -50 ], [ 50, 0 ], [ 0, 50 ], [ -50, 0 ] ],
"v": [ [ 0, 100 ], [ 100, 0 ], [ 200, 100 ], [ 100, 200 ] ],
"c": true
} ],
"e": [ {
"i": [ [ 50, 50 ], [ -50, 0 ], [ -50, -50 ], [ 50, 50 ] ],
"o": [ [ 50, -50 ], [ 50, 0 ], [ -50, 50 ], [ -50, 50 ] ],
"v": [ [ 0, 100 ], [ 100, 0 ], [ 200, 100 ], [ 100, 200 ] ],
"c": true
} ],
"i": { "x":0.5, "y":0.5 },
"o": { "x":0.5, "y":0.5 },
"t": 0
},
{
"s": [ {
"i": [ [ 50, 50 ], [ -50, 0 ], [ -50, -50 ], [ 50, 50 ] ],
"o": [ [ 50, -50 ], [ 50, 0 ], [ -50, 50 ], [ -50, 50 ] ],
"v": [ [ 0, 100 ], [ 100, 0 ], [ 200, 100 ], [ 100, 200 ] ],
"c": true
} ],
"e": [ {
"i": [ [ 0, 50 ], [ -50, 0 ], [ 0, -50 ], [ 50, 0 ] ],
"o": [ [ 0, -50 ], [ 50, 0 ], [ 0, 50 ], [ -50, 0 ] ],
"v": [ [ 0, 100 ], [ 100, 0 ], [ 200, 100 ], [ 100, 200 ] ],
"c": true
} ],
"i": { "x":0.5, "y":0.5 },
"o": { "x":0.5, "y":0.5 },
"t": 100
},
{
"t": 200
}
]
}
},
{
"ty": "st",
"nm": "Stroke 1",
"lc": 1,
"lj": 1,
"ml": 4,
"w" : { "a": 1, "k": [
{ "s": [ 30 ], "e": [ 50 ], "i": { "x":0.5, "y":0.5 }, "o": { "x":0.5, "y":0.5 }, "t": 0 },
{ "s": [ 50 ], "e": [ 30 ], "i": { "x":0.5, "y":0.5 }, "o": { "x":0.5, "y":0.5 }, "t": 100 },
{ "t": 200 }
] },
"o" : { "a": 0, "k": 100 },
"c" : { "a": 1, "k": [
{ "s": [ 0, 1, 0 ], "e": [ 1, 0, 0 ], "i": { "x":0.5, "y":0.5 }, "o": { "x":0.5, "y":0.5 }, "t": 0 },
{ "s": [ 1, 0, 0 ], "e": [ 0, 1, 0 ], "i": { "x":0.5, "y":0.5 }, "o": { "x":0.5, "y":0.5 }, "t": 100 },
{ "t": 200 }
] }
},
{
"ty":"tr",
"p" : { "a":0, "k":[ 0, 0 ] },
"a" : { "a":0, "k":[ 0, 0 ] },
"s" : { "a":0, "k":[ 100, 100 ] },
"r" : { "a":0, "k": 0 },
"o" : { "a":0, "k":100 },
"nm": "Transform"
}
]
}
]
}
]
}

76
tests/VectorDrawableTest/src/com/android/test/dynamic/LottieDrawableTest.java
View File

@@ -1,76 +0,0 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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 com.android.test.dynamic;
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.LottieDrawable;
import android.os.Bundle;
import android.view.View;
import java.io.IOException;
import java.io.InputStream;
import java.util.Scanner;
@SuppressWarnings({"UnusedDeclaration"})
public class LottieDrawableTest extends Activity {
private static final String TAG = "LottieDrawableTest";
static final int BACKGROUND = 0xFFF44336;
class LottieDrawableView extends View {
private Rect mLottieBounds;
private LottieDrawable mLottie;
LottieDrawableView(Context context, InputStream is) {
super(context);
Scanner s = new Scanner(is).useDelimiter("\\A");
String json = s.hasNext() ? s.next() : "";
try {
mLottie = LottieDrawable.makeLottieDrawable(json);
} catch (IOException e) {
throw new RuntimeException(TAG + ": error parsing test Lottie");
}
mLottie.start();
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawColor(BACKGROUND);
mLottie.setBounds(mLottieBounds);
mLottie.draw(canvas);
}
public void setLottieSize(Rect bounds) {
mLottieBounds = bounds;
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
InputStream is = getResources().openRawResource(R.raw.lottie);
LottieDrawableView view = new LottieDrawableView(this, is);
view.setLottieSize(new Rect(0, 0, 900, 900));
setContentView(view);
}
}