如何解决此错误？我们尝试清理和重建，重新启动安卓工作室，没有使用。 错误：任务"：app：transformClassesWithAndroidGradleClassShrinkerForDebug"执行失败。
在收缩过程中发现警告，请使用 -dontwarn 或 -ignorewarning 来抑制它们。
我们正在使用此库
implementation 'com.google.android.gms:play-services-maps:9.8.0'
compile fileTree(include: ['*.jar'], dir: 'libs')
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'de.hdodenhof:circleimageview:2.2.0'
compile('com.alibaba.android:ultraviewpager:1.0.6.1@aar') {
transitive = true
}
compile('org.apache.httpcomponents:httpmime:4.3.6') {
exclude module: 'httpclient'
}
compile 'com.littlechoc.cornerlabel:cornerlabel:1.0.0'
compile 'com.synnapps:carouselview:0.1.4'
compile 'com.sun.mail:android-mail:1.5.5'
compile 'com.sun.mail:android-activation:1.5.5'
implementation 'com.muddzdev:styleabletoast:2.0.2'
compile 'javax.annotation:javax.annotation-api:1.2'
compile 'me.grantland:autofittextview:0.2.+'
// base library
//slider
compile 'com.ss.bannerslider:bannerslider:1.8.0'
//noinspection GradleCompatible
compile 'jp.wasabeef:recyclerview-animators:2.2.7'
compile 'com.android.support:multidex:1.0.1'
compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.google.code.gson:gson:2.6.2'
compile 'com.github.satyan:sugar:1.4'
compile 'com.android.support:multidex:1.0.1'
compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.android.support:percent:26.1.0'
compile 'com.google.code.gson:gson:2.6.2'
compile 'com.github.satyan:sugar:1.4'
compile 'jp.wasabeef:recyclerview-animators:2.2.6'
compile 'pl.droidsonroids.gif:android-gif-drawable:1.1.+'
compile 'com.afollestad.material-dialogs:core:0.9.4.2'
compile 'com.google.android.gms:play-services:9.8.0'
compile 'com.google.android.gms:play-services-auth:9.8.0'
compile 'com.google.android.gms:play-services-location:9.8.0'
compile 'com.google.firebase:firebase-core:9.8.0'
compile 'com.google.firebase:firebase-auth:9.8.0'
compile 'com.google.firebase:firebase-database:9.8.0'
compile 'com.google.firebase:firebase-config:9.8.0'
compile 'com.google.firebase:firebase-crash:9.8.0'
compile 'com.google.firebase:firebase-invites:9.8.0'
compile 'com.google.firebase:firebase-storage:9.8.0'
compile 'cn.pedant.sweetalert:library:1.3'
compile 'at.blogc:expandabletextview:1.0.3'
compile 'com.joanzapata.iconify:android-iconify-fontawesome:2.1.+'
compile 'com.android.support:appcompat-v7:26.1.0'
implementation 'com.github.bumptech.glide:glide:4.6.1'
annotationProcessor 'com.github.bumptech.glide:compiler:4.6.1'
compile 'com.android.support:design:26.1.0'
compile 'com.android.support:cardview-v7:26.1.0'
compile 'com.android.support:support-v4:26.1.0'
compile 'com.android.support:recyclerview-v7:26.1.0'
compile 'com.nineoldandroids:library:2.4.0'
compile 'com.daimajia.slider:library:1.1.5@aar'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
testCompile 'junit:junit:4.12'
implementation 'com.android.support:design:26.1.0'
compile 'com.sackcentury:shinebutton:0.2.0'
compile 'com.crashlytics.sdk.android:crashlytics:2.9.1'
compile 'com.makeramen:roundedimageview:2.3.0'
implementation("com.mikepenz:materialdrawer:6.0.7@aar") {
transitive = true
}
compile 'com.plattysoft.leonids:LeonidsLib:1.3.2'
//permission asking module
implementation 'com.karumi:dexter:4.2.0'
//聊天 编译 'com.github.timigod：android-chat-ui：v0.1.3'
compile 'com.airbnb.android:lottie:2.5.1'
编译 'com.github.vipulasri：timelineview：1.0.5' 编译 'com.ernestoyaquello.stepperform：vertical-stepper-form：0.9.9'
//multiple image picjer is not working
编译 'net.alhazmy13.MediaPicker：library：2.4.0'
implementation 'com.github.esafirm.android-image-picker:imagepicker:1.12.0'
// for experimental rx picker
//implementation 'com.github.esafirm.android-image-picker:rximagepicker:1.12.0'
// If you have a problem with Glide, please use the same Glide version or simply open an issue
实现 'com.github.bumptech.glide：glide：4.5.0' annotationProcessor 'com.github.bumptech.glide：compiler：4.7.1'
compile 'com.commit451:PhotoView:1.2.4'
compile 'com.isseiaoki:simplecropview:1.0.13'
compile 'com.yongchun:com.yongchun.imageselector:1.1.0'
错误
com/yongchun/library/view/ImagePreviewFragment references unknown class: com/bumptech/glide/BitmapTypeRequest
com/yongchun/library/adapter/ImageFolderAdapter references unknown class: com/bumptech/glide/DrawableRequestBuilder
com/yongchun/library/adapter/ImageFolderAdapter references unknown class: com/bumptech/glide/DrawableTypeRequest
com/yongchun/library/adapter/ImageListAdapter references unknown class: com/bumptech/glide/DrawableRequestBuilder
com/yongchun/library/adapter/ImageListAdapter references unknown class: com/bumptech/glide/DrawableTypeRequest
com/yongchun/library/adapter/ImageListAdapter.onBindViewHolder:(Landroid/support/v7/widget/RecyclerView$ViewHolder;I)V references unknown class member: com/bumptech/glide/RequestManager.load:(Ljava/io/File;)Lcom/bumptech/glide/DrawableTypeRequest;
com/yongchun/library/view/ImagePreviewFragment.onCreateView:(Landroid/view/LayoutInflater;Landroid/view/ViewGroup;Landroid/os/Bundle;)Landroid/view/View; references unknown class member: com/bumptech/glide/RequestManager.load:(Ljava/io/File;)Lcom/bumptech/glide/DrawableTypeRequest;
com/yongchun/library/view/ImagePreviewFragment references unknown class: com/bumptech/glide/DrawableTypeRequest
com/yongchun/library/adapter/ImageFolderAdapter.onBindViewHolder:(Lcom/yongchun/library/adapter/ImageFolderAdapter$ViewHolder;I)V references unknown class member: com/bumptech/glide/RequestManager.load:(Ljava/io/File;)Lcom/bumptech/glide/DrawableTypeRequest;
com/yongchun/library/view/ImagePreviewFragment$1 references unknown class: com/bumptech/glide/request/animation/GlideAnimation
:app:transformClassesWithAndroidGradleClassShrinkerForDebug FAILED
:app:buildInfoGeneratorDebug
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:transformClassesWithAndroidGradleClassShrinkerForDebug'.
> Warnings found during shrinking, please use -dontwarn or -ignorewarnings to suppress them.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
* Get more help at https://help.gradle.org
BUILD FAILED in 1m 19s
有时(实际上大多数时候(Proguard是偏执狂，因为它找不到一些参考资料。通常，在您确定正确实现它的情况下，可以忽略它的警告。
要修复错误，您需要忽略如下所示的com.yongchun警告： 添加到您的 Proguard 规则-dontwarn com.yongchun.**