在本文中，我们将为您详细介绍docker删除镜像的时候报错--imagehasdependentchildimages的相关知识，并且为您解答关于docker删除镜像失败的疑问，此外，我们还会提供一些
在本文中，我们将为您详细介绍docker 删除镜像的时候报错 --image has dependent child images的相关知识，并且为您解答关于docker删除镜像失败的疑问，此外，我们还会提供一些关于25.week4 docker build 也就是创建自己的image 上传image到dockerhub 从dockerhub下载images、android – FragmentStatePagerAdapter with ChildFragmentManager – FragmentManagerImpl.getFragment导、com.facebook.imagepipeline.image.EncodedImage的实例源码、ConvenientImagePicker iOS 简洁优雅的 imagepicker的有用信息。
本文目录一览：- docker 删除镜像的时候报错 --image has dependent child images（docker删除镜像失败）
- 25.week4 docker build 也就是创建自己的image 上传image到dockerhub 从dockerhub下载images
- android – FragmentStatePagerAdapter with ChildFragmentManager – FragmentManagerImpl.getFragment导
- com.facebook.imagepipeline.image.EncodedImage的实例源码
- ConvenientImagePicker iOS 简洁优雅的 imagepicker
docker 删除镜像的时候报错 --image has dependent child images（docker删除镜像失败）
背景
偶然间发现服务器上有很多镜像占用不少空间，想清理一下。
结果直接进行删除报错：
docker rmi 8f5116cbc201
Error response from daemon: conflict: unable to delete 8f5116cbc201 (cannot be forced) - image has dependent child images
然后上网需求方法，主流的方法有两种
方法一：强制删除镜像
docker rmi -f 8f5116cbc201
Error response from daemon: conflict: unable to delete 8f5116cbc201 (cannot be forced) - image has dependent child images
以失败告终。。。
方法二：批量删除容器，再删除镜像
# 停止所有容器
docker ps -a | grep "Exited" | awk ''{print $1 }''|xargs docker stop
# 删除所有容器
docker ps -a | grep "Exited" | awk ''{print $1 }''|xargs docker rm
# 删除所有none镜像
docker images|grep none|awk ''{print $3 }''|xargs docker rmi还是以失败告终。。。。。
原因
搜了很久，发现其实是因为 TAG 的问题，即有其他 image FROM 了这个 image，可以使用下面的命令列出所有在指定 image 之后创建的 image 的父 image
方案
先查询依赖
docker image inspect --format=''{{.RepoTags}} {{.Id}} {{.Parent}}'' $(docker image ls -q --filter since=XXX) # XXX 指镜像 ID
然后根据根据 TAG 删除容器
docker rm REPOSITORY:TAG
补充
docker none 镜像
有效的 none 镜像
Docker 文件系统的组成，docker 镜像是由很多 layers 组成的，每个 layer 之间有父子关系，所有的 docker 文件系统层默认都存储在 /var/lib/docker/graph 目录下，docker 称之为图层数据库。
最后做一个总结 <none>:< none> 镜像是一种中间镜像，我们可以使用 docker images -a 来看到，他们不会造成硬盘空间占用的问题（因为这是镜像的父层，必须存在的），但是会给我们的判断带来迷惑。
无效的 none 镜像
另一种类型的 <none>:< none> 镜像是 dangling images ，这种类型会造成磁盘空间占用问题。
像 Java 和 Golang 这种编程语言都有一个内存区，这个内存区不会关联任何的代码。这些语言的垃圾回收系统优先回收这块区域的空间，将他返回给堆内存，所以这块内存区对于之后的内存分配是有用的
docker 的悬挂 (dangling) 文件系统与上面的原理类似，他是没有被使用到的并且不会关联任何镜像，因此我们需要一种机制去清理这些悬空镜像。
我们在上文已经提到了有效的 <none> 镜像，他们是一种中间层，那无效的 < none > 镜像又是怎么出现的？这些 dangling 镜像主要是我们触发 docker build 和 docker pull 命令产生的。
使用下面的命令可以清理
docker rmi $(docker images -f “dangling=true” -q)
docker 没有自动垃圾回收处理机制，未来可能会有这方面的改进，但是目前我们只能这样手动清理（写个脚本就好）。
25.week4 docker build 也就是创建自己的image 上传image到dockerhub 从dockerhub下载images
dado可以写你自己的名字
这个命令就会根据目录下的Dockerfile（固定用和这个名字）文件里面的内容 去下载并创建运行命令一步一步地
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Adding debian:Camerfirma_Chambers_of_Commerce_Root.pem
Adding debian:Camerfirma_Global_Chambersign_Root.pem
Adding debian:Certigna.pem
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Adding debian:Certum_Trusted_Network_CA.pem
Adding debian:Certum_Trusted_Network_CA_2.pem
Adding debian:Chambers_of_Commerce_Root_-_2008.pem
Adding debian:China_Internet_Network_Information_Center_EV_Certificates_Root.pem
Adding debian:Comodo_AAA_Services_root.pem
Adding debian:Comodo_Secure_Services_root.pem
Adding debian:Comodo_Trusted_Services_root.pem
Adding debian:Cybertrust_Global_Root.pem
Adding debian:D-TRUST_Root_Class_3_CA_2_2009.pem
Adding debian:D-TRUST_Root_Class_3_CA_2_EV_2009.pem
Adding debian:DST_ACES_CA_X6.pem
Adding debian:DST_Root_CA_X3.pem
Adding debian:Deutsche_Telekom_Root_CA_2.pem
Adding debian:DigiCert_Assured_ID_Root_CA.pem
Adding debian:DigiCert_Assured_ID_Root_G2.pem
Adding debian:DigiCert_Assured_ID_Root_G3.pem
Adding debian:DigiCert_Global_Root_CA.pem
Adding debian:DigiCert_Global_Root_G2.pem
Adding debian:DigiCert_Global_Root_G3.pem
Adding debian:DigiCert_High_Assurance_EV_Root_CA.pem
Adding debian:DigiCert_Trusted_Root_G4.pem
Adding debian:E-Tugra_Certification_Authority.pem
Adding debian:EC-ACC.pem
Adding debian:EE_Certification_Centre_Root_CA.pem
Adding debian:Entrust.net_Premium_2048_Secure_Server_CA.pem
Adding debian:Entrust_Root_Certification_Authority.pem
Adding debian:Entrust_Root_Certification_Authority_-_EC1.pem
Adding debian:Entrust_Root_Certification_Authority_-_G2.pem
Adding debian:GeoTrust_Global_CA.pem
Adding debian:GeoTrust_Global_CA_2.pem
Adding debian:GeoTrust_Primary_Certification_Authority.pem
Adding debian:GeoTrust_Primary_Certification_Authority_-_G2.pem
Adding debian:GeoTrust_Primary_Certification_Authority_-_G3.pem
Adding debian:GeoTrust_Universal_CA.pem
Adding debian:GeoTrust_Universal_CA_2.pem
Adding debian:GlobalSign_ECC_Root_CA_-_R4.pem
Adding debian:GlobalSign_ECC_Root_CA_-_R5.pem
Adding debian:GlobalSign_Root_CA.pem
Adding debian:GlobalSign_Root_CA_-_R2.pem
Adding debian:GlobalSign_Root_CA_-_R3.pem
Adding debian:Global_Chambersign_Root_-_2008.pem
Adding debian:Go_Daddy_Class_2_CA.pem
Adding debian:Go_Daddy_Root_Certificate_Authority_-_G2.pem
Adding debian:Hellenic_Academic_and_Research_Institutions_ECC_RootCA_2015.pem
Adding debian:Hellenic_Academic_and_Research_Institutions_RootCA_2011.pem
Adding debian:Hellenic_Academic_and_Research_Institutions_RootCA_2015.pem
Adding debian:Hongkong_Post_Root_CA_1.pem
Adding debian:ISRG_Root_X1.pem
Adding debian:IdenTrust_Commercial_Root_CA_1.pem
Adding debian:IdenTrust_Public_Sector_Root_CA_1.pem
Adding debian:Izenpe.com.pem
Adding debian:LuxTrust_Global_Root_2.pem
Adding debian:Microsec_e-Szigno_Root_CA_2009.pem
Adding debian:NetLock_Arany_=Class_Gold=_Főtanúsítvány.pem
Adding debian:Network_Solutions_Certificate_Authority.pem
Adding debian:OISTE_WISeKey_Global_Root_GA_CA.pem
Adding debian:OISTE_WISeKey_Global_Root_GB_CA.pem
Adding debian:OpenTrust_Root_CA_G1.pem
Adding debian:OpenTrust_Root_CA_G2.pem
Adding debian:OpenTrust_Root_CA_G3.pem
Adding debian:PSCProcert.pem
Adding debian:QuoVadis_Root_CA.pem
Adding debian:QuoVadis_Root_CA_1_G3.pem
Adding debian:QuoVadis_Root_CA_2.pem
Adding debian:QuoVadis_Root_CA_2_G3.pem
Adding debian:QuoVadis_Root_CA_3.pem
Adding debian:QuoVadis_Root_CA_3_G3.pem
Adding debian:SZAFIR_ROOT_CA2.pem
Adding debian:SecureSign_RootCA11.pem
Adding debian:SecureTrust_CA.pem
Adding debian:Secure_Global_CA.pem
Adding debian:Security_Communication_EV_RootCA1.pem
Adding debian:Security_Communication_RootCA2.pem
Adding debian:Security_Communication_Root_CA.pem
Adding debian:Sonera_Class_2_Root_CA.pem
Adding debian:Staat_der_Nederlanden_EV_Root_CA.pem
Adding debian:Staat_der_Nederlanden_Root_CA_-_G2.pem
Adding debian:Staat_der_Nederlanden_Root_CA_-_G3.pem
Adding debian:Starfield_Class_2_CA.pem
Adding debian:Starfield_Root_Certificate_Authority_-_G2.pem
Adding debian:Starfield_Services_Root_Certificate_Authority_-_G2.pem
Adding debian:SwissSign_Gold_CA_-_G2.pem
Adding debian:SwissSign_Silver_CA_-_G2.pem
Adding debian:Swisscom_Root_CA_1.pem
Adding debian:Swisscom_Root_CA_2.pem
Adding debian:Swisscom_Root_EV_CA_2.pem
Adding debian:T-TeleSec_GlobalRoot_Class_2.pem
Adding debian:T-TeleSec_GlobalRoot_Class_3.pem
Adding debian:TUBITAK_Kamu_SM_SSL_Kok_Sertifikasi_-_Surum_1.pem
Adding debian:TURKTRUST_Certificate_Services_Provider_Root_2007.pem
Adding debian:TWCA_Global_Root_CA.pem
Adding debian:TWCA_Root_Certification_Authority.pem
Adding debian:Taiwan_GRCA.pem
Adding debian:TeliaSonera_Root_CA_v1.pem
Adding debian:Trustis_FPS_Root_CA.pem
Adding debian:TÜBİTAK_UEKAE_Kök_Sertifika_Hizmet_Sağlayıcısı_-_Sürüm_3.pem
Adding debian:TÜRKTRUST_Elektronik_Sertifika_Hizmet_Sağlayıcısı_H5.pem
Adding debian:USERTrust_ECC_Certification_Authority.pem
Adding debian:USERTrust_RSA_Certification_Authority.pem
Adding debian:UTN_USERFirst_Hardware_Root_CA.pem
Adding debian:VeriSign_Class_3_Public_Primary_Certification_Authority_-_G4.pem
Adding debian:VeriSign_Class_3_Public_Primary_Certification_Authority_-_G5.pem
Adding debian:VeriSign_Universal_Root_Certification_Authority.pem
Adding debian:Verisign_Class_3_Public_Primary_Certification_Authority_-_G3.pem
Adding debian:Visa_eCommerce_Root.pem
Adding debian:XRamp_Global_CA_Root.pem
Adding debian:certSIGN_ROOT_CA.pem
Adding debian:ePKI_Root_Certification_Authority.pem
Adding debian:thawte_Primary_Root_CA.pem
Adding debian:thawte_Primary_Root_CA_-_G2.pem
Adding debian:thawte_Primary_Root_CA_-_G3.pem
done.
done.
Processing triggers for sgml-base (1.26+nmu4ubuntu1) ...
Removing intermediate container 0f23a95bea42
---> 8f93746ccfe5
Step 7/7 : RUN apt-get install -y python
---> Running in fc2aeb8c23dd
Reading package lists...
Building dependency tree...
Reading state information...
The following additional packages will be installed:
file libmagic1 libpython-stdlib libpython2.7-minimal libpython2.7-stdlib
mime-support python-minimal python2.7 python2.7-minimal
Suggested packages:
python-doc python-tk python2.7-doc binfmt-support
The following NEW packages will be installed:
file libmagic1 libpython-stdlib libpython2.7-minimal libpython2.7-stdlib
mime-support python python-minimal python2.7 python2.7-minimal
0 upgraded, 10 newly installed, 0 to remove and 6 not upgraded.
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Get:9 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libmagic1 amd64 1:5.25-2ubuntu1.1 [216 kB]
Get:10 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 file amd64 1:5.25-2ubuntu1.1 [21.2 kB]
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Removing intermediate container fc2aeb8c23dd
---> 057807ccc7d8
Successfully built 057807ccc7d8
Successfully tagged hanshanyang/coj_demo_01:latest安装完成我们
等他安装完成 会把这个状态创建成一个image存在本地
然后我们在 push到docker hub上去（远程） 和我们的git很相似
我们登录到docker hub上去（自己去官网创建账号）
登录上了
我们就要push了
这说明上传成功
那么从docker hub 下拉image也很简单 就是 pull
如果你本地有这个image他会自动更新到最新的
如果你要删除
android – FragmentStatePagerAdapter with ChildFragmentManager – FragmentManagerImpl.getFragment导
编辑2
我现在设法通过使用来自这里https://code.google.com/p/android/issues/detail?id=42601#c10的技巧摆脱了错误,这就是为什么我的最后一次编辑放在我的问题之上的原因.
但这导致了下一个错误：
java.lang.NullPointerException
at android.support.v4.app.FragmentManagerImpl.getFragment(FragmentManager.java:569)
at android.support.v4.app.FragmentStatePagerAdapter.restoreState(FragmentStatePagerAdapter.java:211)
at android.support.v4.view.ViewPager.onRestoreInstanceState(ViewPager.java:1281)
at android.view.View.dispatchRestoreInstanceState(View.java:12043)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2688)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2694)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2694)
at android.view.View.restoreHierarchyState(View.java:12021)
at android.support.v4.app.Fragment.restoreViewState(Fragment.java:425)
at android.support.v4.app.FragmentManagerImpl.movetoState(FragmentManager.java:949)
at android.support.v4.app.FragmentManagerImpl.movetoState(FragmentManager.java:1104)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1460)
at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:440)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4800)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:798)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:565)
at dalvik.system.NativeStart.main(Native Method)
现在我不知道从哪里继续……
编辑0 – 第一个问题
我得到以下异常：
java.lang.IllegalStateException: No activity
at android.support.v4.app.FragmentManagerImpl.movetoState(FragmentManager.java:1091)
at android.support.v4.app.FragmentManagerImpl.movetoState(FragmentManager.java:1086)
at android.support.v4.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManager.java:1877)
at android.support.v4.app.Fragment.performActivityCreated(Fragment.java:1492)
at android.support.v4.app._HoloFragment.performActivityCreated(_HoloFragment.java:251)
at android.support.v4.app.FragmentManagerImpl.movetoState(FragmentManager.java:947)
at android.support.v4.app.FragmentManagerImpl.movetoState(FragmentManager.java:1104)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1460)
at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:440)
at android.os.Handler.handleCallback(Handler.java:615)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4800)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:798)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:565)
at dalvik.system.NativeStart.main(Native Method)
我不知道从哪里开始.我正在使用最新的支持库(v4,rev18).
一切正常,直到我添加一个Fragment,它将ViewPager与FragmentStatePagerAdapter结合在一起.
我到处都在使用支持库,我尝试了https://code.google.com/p/android/issues/detail?id=42601的解决方案……
但还没有任何效果……
我不知道从哪里开始,有人有提示吗？
编辑1：背景和代码
1)在我的MainActivity中,我使用以下内容：
第三页有viewpager …
public void setPage(int pos, boolean addToBackStack)
{
Fragment nextFragment = null;
FragmentTransaction transaction = null;
switch (pos)
{
case 0:
if (mFragmentAllRoutines == null)
mFragmentAllRoutines = new RoutinesListFragment();
if (!mFragmentAllRoutines.isVisible())
nextFragment = mFragmentAllRoutines;
break;
case 1:
if (mFragmentRoutine == null)
mFragmentRoutine = new RoutineFragment();
if (!mFragmentRoutine.isVisible())
nextFragment = mFragmentRoutine;
break;
case 2:
if (mFragmentDay == null)
mFragmentDay = new RoutineDayFragment();
if (!mFragmentDay.isVisible())
nextFragment = mFragmentDay;
break;
default:
break;
}
if (nextFragment != null)
{
// Fragment prevFragment = getSupportFragmentManager().findFragmentById(R.id.fragment);
transaction = getSupportFragmentManager().beginTransaction();
// if (prevFragment != null)
// transaction.detach(prevFragment);
transaction.replace(R.id.fragment, nextFragment, nextFragment.getClass().getName());
// transaction.attach(nextFragment);
if (addToBackStack)
transaction.addToBackStack(null);
transaction.commit();
}
}
2)第三个片段：
它是一个带有ViewPager和FragmentStatePagerAdapter的简单片段. FragmentStatePagerAdapter将getChildFragmentManager()作为FragmentManager获取.在某个地方似乎存在问题.
解决方法:
我需要看到更多的代码才能知道在哪里应用这个……但是我遇到了类似的情况……我以同样的方式解决了ChildFragmentManager问题,并得到了与你一样的NullPointerException.
我确实设法解决了……我会尝试描述我的解决方案,就像你提供的代码一样,我不确定在哪里应用“修复”…这真的是一个修复…它不是一个优雅的方式解决这个问题！然而它确实对我有所帮助,一旦我离开视图寻呼机,我就不需要恢复状态,因此对我来说没有任何不利因素.
我有多个Fragments,它实现了代码的静态位和onDetach(在https://code.google.com/p/android/issues/detail?id=42601#c10上),每个片段都有一个寻呼机,onCreateView我附加了一个扩展FragmentStatePagerAdapter的适配器.
在那些适配器上,我已经覆盖了restoreState方法,什么都不做
@Override
public void restoreState(Parcelable arg0, ClassLoader arg1) {
//do nothing here! no call to super.restoreState(arg0, arg1);
}
再次,这不是最好的方式……但它确实解决了我的问题.
祝你好运！
com.facebook.imagepipeline.image.EncodedImage的实例源码
项目：GitHub
文件：AnimatedImageFactoryImpl.java
/**
* Decodes a GIF into a CloseableImage.
* @param encodedImage encoded image (native byte array holding the encoded bytes and Meta data)
* @param options the options for the decode
* @param bitmapConfig the Bitmap.Config used to generate the output bitmaps
* @return a {@link CloseableImage} for the GIF image
*/
public CloseableImage decodeGif(
final EncodedImage encodedImage,final ImageDecodeOptions options,final Bitmap.Config bitmapConfig) {
if (sgifAnimatedimagedecoder == null) {
throw new UnsupportedOperationException("To encode animated gif please add the dependency " +
"to the animated-gif module");
}
final CloseableReference<PooledByteBuffer> bytesRef = encodedImage.getByteBufferRef();
Preconditions.checkNotNull(bytesRef);
try {
final PooledByteBuffer input = bytesRef.get();
AnimatedImage gifImage = sgifAnimatedimagedecoder.decode(input.getNativePtr(),input.size());
return getCloseableImage(options,gifImage,bitmapConfig);
} finally {
CloseableReference.closeSafely(bytesRef);
}
}
项目：GitHub
文件：AnimatedImageFactoryImpl.java
/**
* Decode a WebP into a CloseableImage.
* @param encodedImage encoded image (native byte array holding the encoded bytes and Meta data)
* @param options the options for the decode
* @param bitmapConfig the Bitmap.Config used to generate the output bitmaps
* @return a {@link CloseableImage} for the WebP image
*/
public CloseableImage decodeWebP(
final EncodedImage encodedImage,final Bitmap.Config bitmapConfig) {
if (sWebpAnimatedimagedecoder == null) {
throw new UnsupportedOperationException("To encode animated webp please add the dependency " +
"to the animated-webp module");
}
final CloseableReference<PooledByteBuffer> bytesRef = encodedImage.getByteBufferRef();
Preconditions.checkNotNull(bytesRef);
try {
final PooledByteBuffer input = bytesRef.get();
AnimatedImage webPImage = sWebpAnimatedimagedecoder.decode(
input.getNativePtr(),input.size());
return getCloseableImage(options,webPImage,bitmapConfig);
} finally {
CloseableReference.closeSafely(bytesRef);
}
}
项目：GitHub
文件：diskCacheReadProducerTest.java
@Test
public void testSmallImagediskCacheGetSuccessful() {
when(mImageRequest.getCacheChoice()).thenReturn(ImageRequest.CacheChoice.SMALL);
setupdiskCacheGetSuccess(mSmallImageBuffereddiskCache);
mdiskCacheReadProducer.produceResults(mConsumer,mProducerContext);
verify(mConsumer).onNewResult(mFinalEncodedImage,Consumer.IS_LAST);
verify(mProducerListener).onProducerStart(mRequestId,PRODUCER_NAME);
ArgumentCaptor<HashMap> captor = ArgumentCaptor.forClass(HashMap.class);
verify(mProducerListener).onProducerFinishWithSuccess(
eq(mRequestId),eq(PRODUCER_NAME),captor.capture());
Map<String,String> resultMap = captor.getValue();
assertEquals("true",resultMap.get(diskCacheReadProducer.EXTRA_CACHED_VALUE_FOUND));
assertEquals(
"0",resultMap.get(diskCacheReadProducer.ENCODED_IMAGE_SIZE));
verify(mProducerListener).onUltimateProducerReached(mRequestId,PRODUCER_NAME,true);
Assert.assertFalse(EncodedImage.isValid(mFinalEncodedImage));
}
项目：GitHub
文件：WebpTranscodeProducer.java
@Override
protected void onNewResultImpl(@Nullable EncodedImage newResult,@Status int status) {
// try to determine if the last result should be transformed
if (mShouldTranscodeWhenFinished == TriState.UNSET && newResult != null) {
mShouldTranscodeWhenFinished = shouldTranscode(newResult);
}
// just propagate result if it shouldn't be transformed
if (mShouldTranscodeWhenFinished == TriState.NO) {
getConsumer().onNewResult(newResult,status);
return;
}
if (isLast(status)) {
if (mShouldTranscodeWhenFinished == TriState.YES && newResult != null) {
transcodeLastResult(newResult,getConsumer(),mContext);
} else {
getConsumer().onNewResult(newResult,status);
}
}
}
项目：GitHub
文件：ProducerSequenceFactory.java
/**
* bitmap cache get ->
* background thread hand-off -> bitmap cache -> decode -> resize and rotate -> (webp transcode)
* -> data fetch.
*/
private synchronized Producer<CloseableReference<CloseableImage>> getDataFetchSequence() {
if (mDataFetchSequence == null) {
Producer<EncodedImage> inputProducer = mProducerFactory.newDataFetchProducer();
if (WebpSupportStatus.sIsWebpSupportrequired &&
(!mWebpSupportEnabled || WebpSupportStatus.sWebpBitmapFactory == null)) {
inputProducer = mProducerFactory.newWebpTranscodeProducer(inputProducer);
}
inputProducer = mProducerFactory.newAddImageTransformMetaDataProducer(inputProducer);
inputProducer = mProducerFactory.newResizeAndRotateProducer(
inputProducer,true,mUseDownsamplingRatio);
mDataFetchSequence = newBitmapCacheGetToDecodeSequence(inputProducer);
}
return mDataFetchSequence;
}
项目：GitHub
文件：BranchOnSeparateImagesProducerTest.java
@Test
public void testFirstProducerResultNotGoodEnough() {
EncodedImage firstProducerEncodedImage = new EncodedImage(
mFirstProducerFinalResult.getByteBufferRef());
firstProducerEncodedImage.setRotationAngle(-1);
firstProducerEncodedImage.setWidth(WIDTH / 2);
firstProducerEncodedImage.setHeight(HEIGHT / 2);
mFirstProducerConsumer.onNewResult(firstProducerEncodedImage,Consumer.IS_LAST);
verify(mConsumer).onNewResult(firstProducerEncodedImage,Consumer.NO_FLAGS);
EncodedImage intermediateEncodedImage = new EncodedImage(
mIntermediateResult.getByteBufferRef());
intermediateEncodedImage.setRotationAngle(-1);
intermediateEncodedImage.setWidth(WIDTH / 2);
intermediateEncodedImage.setHeight(HEIGHT / 2);
mSecondProducerConsumer.onNewResult(intermediateEncodedImage,Consumer.NO_FLAGS);
verify(mConsumer).onNewResult(intermediateEncodedImage,Consumer.NO_FLAGS);
EncodedImage secondProducerEncodedImage = new EncodedImage(
mSecondProducerFinalResult.getByteBufferRef());
secondProducerEncodedImage.setRotationAngle(-1);
secondProducerEncodedImage.setWidth(WIDTH / 2);
secondProducerEncodedImage.setHeight(HEIGHT / 2);
mSecondProducerConsumer.onNewResult(secondProducerEncodedImage,Consumer.IS_LAST);
verify(mConsumer).onNewResult(secondProducerEncodedImage,Consumer.IS_LAST);
}
项目：GitHub
文件：EncodedMemoryCacheProducerTest.java
@Test
public void testEncodedMemoryCacheGetNotFoundInputProducerSuccess() {
setupEncodedMemoryCacheGetNotFound();
setupInputProducerStreamingSuccess();
mEncodedMemoryCacheProducer.produceResults(mConsumer,mProducerContext);
verify(mMemoryCache,never()).cache(mCacheKey,mIntermediateImageReference);
ArgumentCaptor<CloseableReference> argumentCaptor =
ArgumentCaptor.forClass(CloseableReference.class);
verify(mMemoryCache).cache(eq(mCacheKey),argumentCaptor.capture());
CloseableReference<PooledByteBuffer> capturedRef =
(CloseableReference<PooledByteBuffer>) argumentCaptor.getValue();
Assert.assertSame(
mFinalImageReference.getUnderlyingReferenceTestOnly(),capturedRef.getUnderlyingReferenceTestOnly());
verify(mConsumer).onNewResult(mIntermediateEncodedImage,Consumer.NO_FLAGS);
verify(mConsumer).onNewResult(mFinalEncodedImage,Consumer.IS_LAST);
Assert.assertTrue(EncodedImage.isValid(mFinalEncodedImageClone));
verify(mProducerListener).onProducerStart(mRequestId,PRODUCER_NAME);
Map<String,String> extraMap =
ImmutableMap.of(EncodedMemoryCacheProducer.EXTRA_CACHED_VALUE_FOUND,"false");
verify(mProducerListener).onProducerFinishWithSuccess(mRequestId,extraMap);
verify(mProducerListener,never())
.onUltimateProducerReached(anyString(),anyString(),anyBoolean());
}
项目：GitHub
文件：DalvikPurgeableDecoder.java
/**
* Creates a bitmap from encoded bytes.
*
* @param encodedImage the encoded image with reference to the encoded bytes
* @param bitmapConfig the {@link android.graphics.Bitmap.Config} used to create the decoded
* Bitmap
* @param regionToDecode optional image region to decode. currently not supported.
* @return the bitmap
* @throws TooManyBitmapsException if the pool is full
* @throws java.lang.OutOfMemoryError if the Bitmap cannot be allocated
*/
@Override
public CloseableReference<Bitmap> decodeFromEncodedImage(
final EncodedImage encodedImage,Bitmap.Config bitmapConfig,@Nullable Rect regionToDecode) {
BitmapFactory.Options options = getBitmapFactoryOptions(
encodedImage.getSampleSize(),bitmapConfig);
CloseableReference<PooledByteBuffer> bytesRef = encodedImage.getByteBufferRef();
Preconditions.checkNotNull(bytesRef);
try {
Bitmap bitmap = decodeByteArrayAsPurgeable(bytesRef,options);
return pinBitmap(bitmap);
} finally {
CloseableReference.closeSafely(bytesRef);
}
}
项目：GitHub
文件：ProducerSequenceFactory.java
/**
* bitmap cache get ->
* background thread hand-off -> multiplex -> bitmap cache -> decode ->
* branch on separate images
* -> thumbnail resize and rotate -> thumbnail branch
* -> local content thumbnail creation
* -> exif thumbnail creation
* -> local image resize and rotate -> add Meta data producer -> multiplex -> encoded cache ->
* (webp transcode) -> local content uri fetch.
*/
private synchronized Producer<CloseableReference<CloseableImage>>
getLocalContentUriFetchSequence() {
if (mLocalContentUriFetchSequence == null) {
LocalContentUriFetchProducer localContentUriFetchProducer =
mProducerFactory.newLocalContentUriFetchProducer();
ThumbnailProducer<EncodedImage>[] thumbnailProducers = new ThumbnailProducer[2];
thumbnailProducers[0] = mProducerFactory.newLocalContentUriThumbnailFetchProducer();
thumbnailProducers[1] = mProducerFactory.newLocalExifThumbnailProducer();
mLocalContentUriFetchSequence = newBitmapCacheGetToLocalTransformSequence(
localContentUriFetchProducer,thumbnailProducers);
}
return mLocalContentUriFetchSequence;
}
项目：GitHub
文件：ArtDecoder.java
/**
* Options returned by this method are configured with mDecodeBuffer which is GuardedBy("this")
*/
private static BitmapFactory.Options getDecodeOptionsForStream(
EncodedImage encodedImage,Bitmap.Config bitmapConfig) {
final BitmapFactory.Options options = new BitmapFactory.Options();
// Sample size should ONLY be different than 1 when downsampling is enabled in the pipeline
options.inSampleSize = encodedImage.getSampleSize();
options.inJustDecodeBounds = true;
// fill outWidth and outHeight
BitmapFactory.decodeStream(encodedImage.getInputStream(),null,options);
if (options.outWidth == -1 || options.outHeight == -1) {
throw new IllegalArgumentException();
}
options.inJustDecodeBounds = false;
options.inDither = true;
options.inPreferredConfig = bitmapConfig;
options.inMutable = true;
return options;
}
项目：GitHub
文件：Defaultimagedecoder.java
/**
* Decodes image.
*
* @param encodedImage input image (encoded bytes plus Meta data)
* @param length if image type supports decoding incomplete image then determines where the image
* data should be cut for decoding.
* @param qualityInfo quality information for the image
* @param options options that cange decode behavior
*/
@Override
public CloseableImage decode(
final EncodedImage encodedImage,final int length,final QualityInfo qualityInfo,final ImageDecodeOptions options) {
if (options.customimagedecoder != null) {
return options.customimagedecoder.decode(encodedImage,length,qualityInfo,options);
}
ImageFormat imageFormat = encodedImage.getimageFormat();
if (imageFormat == null || imageFormat == ImageFormat.UNKNowN) {
imageFormat = ImageFormatChecker.getimageFormat_WrapIOException(
encodedImage.getInputStream());
encodedImage.setimageFormat(imageFormat);
}
if (mCustomDecoders != null) {
imagedecoder decoder = mCustomDecoders.get(imageFormat);
if (decoder != null) {
return decoder.decode(encodedImage,options);
}
}
return mDefaultDecoder.decode(encodedImage,options);
}
项目：GitHub
文件：StagingArea.java
/**
* Determine if an valid entry for the key exists in the staging area.
*/
public synchronized boolean containsKey(CacheKey key) {
Preconditions.checkNotNull(key);
if (!mMap.containsKey(key)) {
return false;
}
EncodedImage storedEncodedImage = mMap.get(key);
synchronized (storedEncodedImage) {
if (!EncodedImage.isValid(storedEncodedImage)) {
// Reference is not valid,this means that someone cleared reference while it was still in
// use. Log error
// Todo: 3697790
mMap.remove(key);
FLog.w(
TAG,"Found closed reference %d for key %s (%d)",System.identityHashCode(storedEncodedImage),key.getUriString(),System.identityHashCode(key));
return false;
}
return true;
}
}
项目：GitHub
文件：BuffereddiskCache.java
/**
* Performs key-value loop up in staging area and file cache.
* Any error manifests itself as a miss,i.e. returns false.
* @param key
* @return true if the image is found in staging area or File cache,false if not found
*/
private boolean checkInStagingAreaAndFileCache(final CacheKey key) {
EncodedImage result = mStagingArea.get(key);
if (result != null) {
result.close();
FLog.v(TAG,"Found image for %s in staging area",key.getUriString());
mImageCacheStatsTracker.onStagingAreaHit(key);
return true;
} else {
FLog.v(TAG,"Did not find image for %s in staging area",key.getUriString());
mImageCacheStatsTracker.onStagingAreaMiss();
try {
return mFileCache.hasKey(key);
} catch (Exception exception) {
return false;
}
}
}
项目：GitHub
文件：LocalContentUriThumbnailFetchProducerTest.java
private void mockThumbnailFile() throws Exception {
powermockito.whenNew(File.class)
.withArguments(THUMBNAIL_FILE_NAME)
.thenReturn(mThumbnailFile);
when(mThumbnailFile.exists()).thenReturn(true);
when(mThumbnailFile.length()).thenReturn(THUMBNAIL_FILE_SIZE);
powermockito.whenNew(FileInputStream.class)
.withArguments(THUMBNAIL_FILE_NAME)
.thenReturn(mock(FileInputStream.class));
EncodedImage encodedImage = mock(EncodedImage.class);
when(encodedImage.getSize()).thenReturn((int) THUMBNAIL_FILE_SIZE);
powermockito.whenNew(EncodedImage.class)
.withAnyArguments()
.thenReturn(encodedImage);
}
项目：GitHub
文件：NetworkFetchProducer.java
@Override
public void produceResults(Consumer<EncodedImage> consumer,ProducerContext context) {
context.getListener()
.onProducerStart(context.getId(),PRODUCER_NAME);
final FetchState fetchState = mNetworkFetcher.createFetchState(consumer,context);
mNetworkFetcher.fetch(
fetchState,new NetworkFetcher.Callback() {
@Override
public void onResponse(InputStream response,int responseLength) throws IOException {
NetworkFetchProducer.this.onResponse(fetchState,response,responseLength);
}
@Override
public void onFailure(Throwable throwable) {
NetworkFetchProducer.this.onFailure(fetchState,throwable);
}
@Override
public void onCancellation() {
NetworkFetchProducer.this.onCancellation(fetchState);
}
});
}
项目：GitHub
文件：AddImageTransformMetaDataProducerTest.java
@Test
public void testOnNewResultNotLast_DimensionsNotFound() {
int rotationAngle = 180;
int orientation = 1;
when(ImageFormatChecker.getimageFormat_WrapIOException(any(InputStream.class)))
.thenReturn(DefaultimageFormats.JPEG);
when(JfifUtil.getAutoRotateAngleFromOrientation(orientation)).thenReturn(rotationAngle);
when(JfifUtil.getorientation(any(InputStream.class))).thenReturn(orientation);
when(BitmapUtil.decodeDimensions(any(InputStream.class))).thenReturn(null);
mAddMetaDataConsumer.onNewResult(mIntermediateResult,Consumer.NO_FLAGS);
ArgumentCaptor<EncodedImage> argumentCaptor = ArgumentCaptor.forClass(EncodedImage.class);
verify(mConsumer).onNewResult(argumentCaptor.capture(),eq(Consumer.NO_FLAGS));
EncodedImage encodedImage = argumentCaptor.getValue();
assertTrue(EncodedImage.isValid(encodedImage));
assertEquals(-1,encodedImage.getRotationAngle());
assertEquals(-1,encodedImage.getWidth());
assertEquals(-1,encodedImage.getHeight());
}
项目：GitHub
文件：ResizeAndRotateProducerTest.java
@Test
public void testDoesNottransformIfImageRotationAngleUnkown() {
whenResizingEnabled();
whenRequestSpecificRotation(Rotationoptions.NO_ROTATION);
provideIntermediateResult(
DefaultimageFormats.JPEG,800,EncodedImage.UNKNowN_ROTATION_ANGLE,ExifInterface.ORIENTATION_UNDEFINED);
verifyIntermediateResultPassedThroughUnchanged();
provideFinalResult(
DefaultimageFormats.JPEG,ExifInterface.ORIENTATION_UNDEFINED);
verifyFinalResultPassedThroughUnchanged();
verifyZeroJpegTranscoderInteractions();
}
项目：GitHub
文件：ProducerSequenceFactory.java
/**
* background-thread hand-off -> multiplex -> encoded cache ->
* disk cache -> (webp transcode) -> local file fetch
*/
private synchronized Producer<EncodedImage> getBackgroundLocalFileFetchToEncodeMemorySequence() {
if (mBackgroundLocalFileFetchToEncodedMemorySequence == null) {
final LocalFileFetchProducer localFileFetchProducer =
mProducerFactory.newLocalFileFetchProducer();
final Producer<EncodedImage> toEncodedMultiplexProducer =
newEncodedCacheMultiplexToTranscodeSequence(localFileFetchProducer);
mBackgroundLocalFileFetchToEncodedMemorySequence =
mProducerFactory.newBackgroundThreadHandoffProducer(
toEncodedMultiplexProducer,mThreadHandoffProducerQueue);
}
return mBackgroundLocalFileFetchToEncodedMemorySequence;
}
项目：GitHub
文件：MediaVariationsFallbackProducerTest.java
private void verifyInputProducerProduceResultsWithNewConsumer(boolean allowIntermediateResult) {
verify(mInputProducer)
.produceResults(mConsumerCaptor.capture(),mProducerContextCaptor.capture());
Consumer<EncodedImage> consumer = mConsumerCaptor.getValue();
assertthat(consumer).isinstanceOf(MediaVariationsConsumer.class);
assertthat(((MediaVariationsConsumer) consumer).getConsumer()).isSameAs(mConsumer);
SettableProducerContext referenceContext = new SettableProducerContext(mProducerContext);
referenceContext.setIsIntermediateResultExpected(allowIntermediateResult);
ProducerContext capturedContext = mProducerContextCaptor.getValue();
assertEquals(referenceContext.getCallerContext(),capturedContext.getCallerContext());
assertEquals(referenceContext.getId(),capturedContext.getId());
assertEquals(referenceContext.getimageRequest(),capturedContext.getimageRequest());
assertEquals(referenceContext.getListener(),capturedContext.getListener());
assertEquals(
referenceContext.getLowestPermittedRequestLevel(),capturedContext.getLowestPermittedRequestLevel());
assertEquals(referenceContext.getPriority(),capturedContext.getPriority());
assertEquals(
referenceContext.isIntermediateResultExpected(),capturedContext.isIntermediateResultExpected());
}
项目：GitHub
文件：BranchOnSeparateImagesProducer.java
@Override
protected void onNewResultImpl(EncodedImage newResult,@Status int status) {
ImageRequest request = mProducerContext.getimageRequest();
boolean isLast = isLast(status);
boolean isGoodEnough =
ThumbnailSizeChecker.isImageBigEnough(newResult,request.getResizeOptions());
if (newResult != null && (isGoodEnough || request.getLocalThumbnailPreviewsEnabled())) {
if (isLast && isGoodEnough) {
getConsumer().onNewResult(newResult,status);
} else {
int alteredStatus = turnOffStatusFlag(status,IS_LAST);
getConsumer().onNewResult(newResult,alteredStatus);
}
}
if (isLast && !isGoodEnough) {
EncodedImage.closeSafely(newResult);
mInputProducer2.produceResults(getConsumer(),mProducerContext);
}
}
项目：GitHub
文件：LocalContentUriFetchProducer.java
private @Nullable EncodedImage getCameraimage(Uri uri) throws IOException {
Cursor cursor = mContentResolver.query(uri,PROJECTION,null);
if (cursor == null) {
return null;
}
try {
if (cursor.getCount() == 0) {
return null;
}
cursor.movetoFirst();
final String pathname =
cursor.getString(cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA));
if (pathname != null) {
return getEncodedImage(new FileInputStream(pathname),getLength(pathname));
}
} finally {
cursor.close();
}
return null;
}
项目：GitHub
文件：JobSchedulerTest.java
@Test
public void testSchedule_Last_Queued() {
mJobScheduler.updateJob(fakeEncodedImage(),Consumer.IS_LAST);
assertTrue(mJobScheduler.scheduleJob());
EncodedImage encodedImage2 = fakeEncodedImage();
mJobScheduler.updateJob(encodedImage2,Consumer.IS_LAST);
assertEquals(JobScheduler.JobState.QUEUED,mJobScheduler.mJobState);
assertTrue(mJobScheduler.scheduleJob());
assertEquals(0,mTestscheduledexecutorservice.getPendingCount());
assertEquals(1,mTestExecutorService.getPendingCount());
assertEquals(0,mTestJobRunnable.jobs.size());
mFakeClockForTime.incrementBy(1234);
mFakeClockForWorker.incrementBy(1234);
mFakeClockForScheduled.incrementBy(1234);
assertEquals(1,mTestJobRunnable.jobs.size());
assertJobsEqual(mTestJobRunnable.jobs.get(0),encodedImage2,Consumer.IS_LAST);
}
项目：GitHub
文件：diskCacheReadProducer.java
public void produceResults(
final Consumer<EncodedImage> consumer,final ProducerContext producerContext) {
final ImageRequest imageRequest = producerContext.getimageRequest();
if (!imageRequest.isdiskCacheEnabled()) {
maybeStartInputProducer(consumer,producerContext);
return;
}
producerContext.getListener().onProducerStart(producerContext.getId(),PRODUCER_NAME);
final CacheKey cacheKey =
mCacheKeyFactory.getEncodedCacheKey(imageRequest,producerContext.getCallerContext());
final boolean isSmallRequest = (imageRequest.getCacheChoice() == CacheChoice.SMALL);
final BuffereddiskCache preferredCache = isSmallRequest ?
mSmallImageBuffereddiskCache : mDefaultBuffereddiskCache;
final AtomicBoolean isCancelled = new AtomicBoolean(false);
final Task<EncodedImage> diskLookupTask = preferredCache.get(cacheKey,isCancelled);
final Continuation<EncodedImage,Void> continuation =
onFinishdiskReads(consumer,producerContext);
diskLookupTask.continueWith(continuation);
subscribeTaskForRequestCancellation(isCancelled,producerContext);
}
项目：GitHub
文件：JobScheduler.java
private static boolean shouldProcess(EncodedImage encodedImage,@Consumer.Status int status) {
// the last result should always be processed,whereas
// an intermediate result should be processed only if valid
return BaseConsumer.isLast(status)
|| BaseConsumer.statusHasFlag(status,Consumer.IS_PLACEHOLDER)
|| EncodedImage.isValid(encodedImage);
}
项目：GitHub
文件：AnimatedFactoryV2Impl.java
@Override
public imagedecoder getGifDecoder(final Bitmap.Config bitmapConfig) {
return new imagedecoder() {
@Override
public CloseableImage decode(
EncodedImage encodedImage,int length,QualityInfo qualityInfo,ImageDecodeOptions options) {
return getAnimatedImageFactory().decodeGif(encodedImage,options,bitmapConfig);
}
};
}
项目：GitHub
文件：PartialdiskCacheProducer.java
private void startInputProducer(
Consumer<EncodedImage> consumerOfPartialdiskCacheProducer,ProducerContext producerContext,CacheKey partialImageCacheKey,@Nullable EncodedImage partialResultFromCache) {
Consumer<EncodedImage> consumer = new PartialdiskCacheConsumer(
consumerOfPartialdiskCacheProducer,mDefaultBuffereddiskCache,partialImageCacheKey,mPooledByteBufferFactory,mByteArrayPool,partialResultFromCache);
mInputProducer.produceResults(consumer,producerContext);
}
项目：GitHub
文件：EncodedMemoryCacheProducerTest.java
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
mEncodedMemoryCacheProducer =
new EncodedMemoryCacheProducer(mMemoryCache,mCacheKeyFactory,mInputProducer);
mPooledByteBuffer1 = mock(PooledByteBuffer.class);
mPooledByteBuffer2 = mock(PooledByteBuffer.class);
mFinalImageReference = CloseableReference.of(mPooledByteBuffer1);
mIntermediateImageReference = CloseableReference.of(mPooledByteBuffer2);
mFinalImageReferenceClone = mFinalImageReference.clone();
mFinalEncodedImage = new EncodedImage(mFinalImageReference);
mIntermediateEncodedImage = new EncodedImage(mIntermediateImageReference);
mFinalEncodedImageClone = new EncodedImage(mFinalImageReferenceClone);
List<CacheKey> list = new ArrayList<>();
list.add(new SimpleCacheKey("http://dummy.uri"));
mCacheKey = new MultiCacheKey(list);
when(mCacheKeyFactory.getEncodedCacheKey(mImageRequest,mCallerContext)).thenReturn(mCacheKey);
when(mMemoryCache.cache(mCacheKey,mFinalImageReference)).thenReturn(mFinalImageReferenceClone);
when(mProducerContext.getimageRequest()).thenReturn(mImageRequest);
when(mProducerContext.getCallerContext()).thenReturn(mCallerContext);
when(mProducerContext.getListener()).thenReturn(mProducerListener);
when(mProducerListener.requiresExtraMap(mRequestId)).thenReturn(true);
when(mProducerContext.getId()).thenReturn(mRequestId);
when(mProducerContext.getLowestPermittedRequestLevel())
.thenReturn(ImageRequest.RequestLevel.FULL_FETCH);
}
项目：GitHub
文件：ThumbnailSizeCheckerTest.java
@Test
public void testimageWithInsufficientHeightWhennoresizeOptions() {
for (int rotation = 0; rotation < 360; rotation += 90) {
EncodedImage mockImage = mockImage(
BIG_ENOUGH_SIZE_FOR_NO_RESIZE_OPTIONS,BIG_ENOUGH_SIZE_FOR_NO_RESIZE_OPTIONS - 1,rotation);
assertFalse(ThumbnailSizeChecker.isImageBigEnough(mockImage,null));
}
}
项目：GitHub
文件：ProducerSequenceFactory.java
/**
* encoded cache multiplex -> encoded cache -> (disk cache) -> (webp transcode)
* @param inputProducer producer providing the input to the transcode
* @return encoded cache multiplex to webp transcode sequence
*/
private Producer<EncodedImage> newEncodedCacheMultiplexToTranscodeSequence(
Producer<EncodedImage> inputProducer) {
if (WebpSupportStatus.sIsWebpSupportrequired &&
(!mWebpSupportEnabled || WebpSupportStatus.sWebpBitmapFactory == null)) {
inputProducer = mProducerFactory.newWebpTranscodeProducer(inputProducer);
}
inputProducer = newdiskCacheSequence(inputProducer);
EncodedMemoryCacheProducer encodedMemoryCacheProducer =
mProducerFactory.newEncodedMemoryCacheProducer(inputProducer);
return mProducerFactory.newEncodedCacheKeyMultiplexProducer(encodedMemoryCacheProducer);
}
项目：GitHub
文件：JobScheduler.java
/**
* Clears the currently set job.
*
* <p> In case the currently set job has been scheduled but not started yet,the job won't be
* executed.
*/
public void clearJob() {
EncodedImage oldEncodedImage;
synchronized (this) {
oldEncodedImage = mEncodedImage;
mEncodedImage = null;
mStatus = 0;
}
EncodedImage.closeSafely(oldEncodedImage);
}
项目：GitHub
文件：JobSchedulerTest.java
@Test
public void testClear() throws Exception {
EncodedImage encodedImage = fakeEncodedImage();
mJobScheduler.updateJob(encodedImage,Consumer.IS_LAST);
mJobScheduler.clearJob();
assertEquals(null,mJobScheduler.mEncodedImage);
encodedImage.close();
assertNull(encodedImage.getByteBufferRef());
}
项目：GitHub
文件：LocalContentUriFetchProducerTest.java
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mExecutor = new TestExecutorService(new FakeClock());
mLocalContentUriFetchProducer = new LocalContentUriFetchProducer(
mExecutor,mContentResolver
);
mContentUri = Uri.fromFile(mock(File.class));
mProducerContext = new SettableProducerContext(
mImageRequest,mRequestId,mProducerListener,mock(Object.class),ImageRequest.RequestLevel.FULL_FETCH,false,Priority.MEDIUM);
when(mImageRequest.getSourceUri()).thenReturn(mContentUri);
doAnswer(
new Answer() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
mCapturedEncodedImage =
EncodedImage.cloneOrNull((EncodedImage) invocation.getArguments()[0]);
return null;
}
})
.when(mConsumer)
.onNewResult(notNull(EncodedImage.class),anyInt());
}
项目：GitHub
文件：NoOpMediaVariationsIndex.java
@Override
public void saveCachedVariant(
String mediaId,ImageRequest.CacheChoice cacheChoice,CacheKey cacheKey,EncodedImage encodedImage) {
// no-op
}
项目：GitHub
文件：ThumbnailBranchProducerTest.java
private static EncodedImage mockEncodedImage(int width,int height,int rotationAngle) {
EncodedImage mockImage = mock(EncodedImage.class);
when(mockImage.getWidth()).thenReturn(width);
when(mockImage.getHeight()).thenReturn(height);
when(mockImage.getRotationAngle()).thenReturn(rotationAngle);
return mockImage;
}
项目：GitHub
文件：StagingArea.java
/**
* Removes key-value from the StagingArea. Both key and value must match.
* @param key
* @param encodedImage value corresponding to key
* @return true if item was removed
*/
public synchronized boolean remove(final CacheKey key,final EncodedImage encodedImage) {
Preconditions.checkNotNull(key);
Preconditions.checkNotNull(encodedImage);
Preconditions.checkArgument(EncodedImage.isValid(encodedImage));
final EncodedImage oldValue = mMap.get(key);
if (oldValue == null) {
return false;
}
CloseableReference<PooledByteBuffer> oldRef = oldValue.getByteBufferRef();
CloseableReference<PooledByteBuffer> ref = encodedImage.getByteBufferRef();
try {
if (oldRef == null || ref == null || oldRef.get() != ref.get()) {
return false;
}
mMap.remove(key);
} finally {
CloseableReference.closeSafely(ref);
CloseableReference.closeSafely(oldRef);
EncodedImage.closeSafely(oldValue);
}
logStats();
return true;
}
项目：GitHub
文件：WebpTranscodeProducer.java
public WebpTranscodeConsumer(
final Consumer<EncodedImage> consumer,final ProducerContext context) {
super(consumer);
mContext = context;
mShouldTranscodeWhenFinished = TriState.UNSET;
}
项目：GitHub
文件：BuffereddiskCacheTest.java
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mCloseableReference = CloseableReference.of(mPooledByteBuffer);
mEncodedImage = new EncodedImage(mCloseableReference);
List<CacheKey> keys = new ArrayList<>();
keys.add(new SimpleCacheKey("http://test.uri"));
keys.add(new SimpleCacheKey("http://tyrone.uri"));
keys.add(new SimpleCacheKey("http://ian.uri"));
mCacheKey = new MultiCacheKey(keys);
mIsCancelled = new AtomicBoolean(false);
FakeClock fakeClock = new FakeClock();
mReadPriorityExecutor = new TestExecutorService(fakeClock);
mWritePriorityExecutor = new TestExecutorService(fakeClock);
when(mBinaryResource.openStream()).thenReturn(mInputStream);
when(mBinaryResource.size()).thenReturn(123L);
when(mByteBufferFactory.newByteBuffer(same(mInputStream),eq(123)))
.thenReturn(mPooledByteBuffer);
mockStatic(StagingArea.class);
when(StagingArea.getInstance()).thenReturn(mStagingArea);
mBuffereddiskCache = new BuffereddiskCache(
mFileCache,mByteBufferFactory,mPooledByteStreams,mReadPriorityExecutor,mWritePriorityExecutor,mImageCacheStatsTracker);
}
项目：GitHub
文件：LocalContentUriThumbnailFetchProducerTest.java
private void assertConsumerReceivesImage() {
ArgumentCaptor<EncodedImage> resultCaptor = ArgumentCaptor.forClass(EncodedImage.class);
verify(mConsumer).onNewResult(resultCaptor.capture(),eq(Consumer.IS_LAST));
assertNotNull(resultCaptor.getValue());
assertEquals(THUMBNAIL_FILE_SIZE,resultCaptor.getValue().getSize());
verifyNoMoreInteractions(mConsumer);
}
项目：GitHub
文件：ResizeAndRotateProducer.java
public ResizeAndRotateProducer(
Executor executor,PooledByteBufferFactory pooledByteBufferFactory,boolean resizingEnabled,Producer<EncodedImage> inputProducer,boolean useDownsamplingRatio) {
mExecutor = Preconditions.checkNotNull(executor);
mPooledByteBufferFactory = Preconditions.checkNotNull(pooledByteBufferFactory);
mResizingEnabled = resizingEnabled;
mInputProducer = Preconditions.checkNotNull(inputProducer);
mUseDownsamplingRatio = useDownsamplingRatio;
}
项目：GitHub
文件：ProducerFactory.java
public EncodedMemoryCacheProducer newEncodedMemoryCacheProducer(
Producer<EncodedImage> inputProducer) {
return new EncodedMemoryCacheProducer(
mEncodedMemoryCache,inputProducer);
}
ConvenientImagePicker iOS 简洁优雅的 imagepicker
ConvenientImagePicker 介绍
ConvenientimagePicker 精准的手势交互，简洁优雅的界面，可以弹出选择系统相册照片，或者提供制定图片。
ConvenientImagePicker 官网
https://github.com/CLOXnu/ConvenientImagePicker
我们今天的关于docker 删除镜像的时候报错 --image has dependent child images和docker删除镜像失败的分享就到这里，谢谢您的阅读，如果想了解更多关于25.week4 docker build 也就是创建自己的image 上传image到dockerhub 从dockerhub下载images、android – FragmentStatePagerAdapter with ChildFragmentManager – FragmentManagerImpl.getFragment导、com.facebook.imagepipeline.image.EncodedImage的实例源码、ConvenientImagePicker iOS 简洁优雅的 imagepicker的相关信息，可以在本站进行搜索。
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