when id update android studio to 3.6 android gradle tools to 3.6.0 ,there is a problem.when I generate sign apk,I got an exception，it is like this
Execution failed for task ':app:minifyReleaseWithR8'.java.lang.NullPointerException (no error message)
* Exception is:
10:35:36.483 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:minifyReleaseWithR8'.
10:35:36.483 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$3.accept(ExecuteActionsTaskExecuter.java:166)
10:35:36.483 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$3.accept(ExecuteActionsTaskExecuter.java:163)
10:35:36.483 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.internal.Try$Failure.ifSuccessfulOrElse(Try.java:191)
10:35:36.483 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:156)
10:35:36.484 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:62)
10:35:36.484 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:108)
10:35:36.484 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ResolveBeforeExecutionOutputsTaskExecuter.execute(ResolveBeforeExecutionOutputsTaskExecuter.java:67)
10:35:36.484 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ResolveAfterPreviousExecutionStateTaskExecuter.execute(ResolveAfterPreviousExecutionStateTaskExecuter.java:46)
....
Caused by: java.lang.NullPointerException
10:35:36.486 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.naming.A.a(:7)
10:35:36.486 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.naming.A.c(:1)
10:35:36.487 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.naming.w.a(:71)
10:35:36.487 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.naming.w.a(:54)
10:35:36.487 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.naming.w.a(:61)
10:35:36.487 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.naming.w.a(:61)
10:35:36.487 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.naming.w.a(:29)
10:35:36.487 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.naming.G.a(:25)
10:35:36.487 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.R8.a(:615)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.R8.c(:1)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.R8.b(:1)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.utils.O.a(:30)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.R8.runForTesting(:3)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.tools.r8.R8.run(:3)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.builder.dexing.R8Tool.runR8(r8Tool.kt:215)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.build.gradle.internal.tasks.R8Task$Companion.shrink(R8Task.kt:387)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.build.gradle.internal.tasks.R8Task.doTaskAction(R8Task.kt:268)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.build.gradle.internal.tasks.NonIncrementalTask$taskAction$$inlined$recordTaskAction$1.invoke(AndroidVariantTask.kt:73)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.build.gradle.internal.tasks.NonIncrementalTask$taskAction$$inlined$recordTaskAction$1.invoke(AndroidVariantTask.kt:34)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.build.gradle.internal.tasks.Blocks.recordSpan(Blocks.java:91)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at com.android.build.gradle.internal.tasks.NonIncrementalTask.taskAction(NonIncrementalTask.kt:34)
10:35:36.488 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:103)
....
this is my project build.gradle
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
ext.kotlin_version = '1.3.70'
apply from:'config.gradle'
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.6.1'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
// classpath 'cn.jiguang.android:janalytics-gradle-plugin:3.0.0'
classpath 'com.meituan.android.walle:plugin:1.1.6'
}
}
allprojects {
repositories {
google()
jcenter()
maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
maven { url 'http://oss.jfrog.org/artifactory/oss-snapshot-local/' }
maven { url "https://jitpack.io" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
and this is my app build.gradle
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'walle'
def dep = rootProject.ext.dependencies
def and = rootProject.ext.android
android {
compileSdkVersion and.compileSdkVersion
buildToolsVersion and.buildToolsVersion
aaptOptions.cruncherEnabled = false
aaptOptions.useNewCruncher = false
defaultConfig {
applicationId and.appid
minSdkVersion and.minSdkVersion
targetSdkVersion and.targetSdkVersion
versionCode 215006
versionName "3.2"
multiDexEnabled true
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
ndk {
abiFilters "armeabi"//, "armeabi-v7a", "arm64-v8a", "x86", "x86_64"
}
manifestPlaceholders = [
JPUSH_PKGNAME : applicationId,
JPUSH_APPKEY : "94ea05a225c0f9efc3f9e1db",
JPUSH_CHANNEL : "developer-default",
]
}
signingConfigs {
release {
keyAlias 'cordova-demo'
keyPassword ''
storeFile file('./release-key.keystore')
storePassword ''
v1SigningEnabled true
v2SigningEnabled true
}
debug {
keyAlias 'cordova-demo'
keyPassword ''
storeFile file('./release-key.keystore')
storePassword ''
}
}
buildTypes {
debug {
debuggable true
minifyEnabled false
signingConfig signingConfigs.debug
buildConfigField("boolean", "ISRELEASE", "${IS_RELEASE}")
}
release {
debuggable false
minifyEnabled true
shrinkResources true /
zipAlignEnabled true
signingConfig signingConfigs.release
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
buildConfigField("boolean", "ISRELEASE", "${IS_RELEASE}")
}
}
sourceSets {
main {
jniLibs.srcDirs = ['libs']
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
encoding = "UTF-8"
}
lintOptions {
abortOnError false
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation 'junit:junit:4.13'
androidTestImplementation 'androidx.test:runner:1.2.0'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
implementation dep.eventbus
implementation dep.immersionbar
implementation dep.immersionbarfragment
implementation dep.SmartRefreshLayout
// implementation dep.networking
implementation project(':android-networking')
// implementation 'com.amitshekhar.android:jackson-android-networking:1.0.2'
//glide
annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'
implementation dep.glide
implementation 'com.github.bumptech.glide:okhttp3-integration:4.9.0'
implementation 'androidx.annotation:annotation:1.1.0'
annotationProcessor 'androidx.annotation:annotation:1.1.0'
implementation dep.rxjava2
implementation dep.okhttp3
implementation dep.rxandroid
implementation dep.rxbinding2
implementation project(':qmui')
implementation project(':arch')
implementation project(':emoji')
implementation project(':reclib-qq')
implementation 'com.facebook.stetho:stetho:1.1.1'
//flowLayout
implementation(project(':flowlayout-lib')) {
transitive = true
exclude group: 'androidx.appcompat', module: 'appcompat'
}
implementation dep.multidex
implementation dep.banner
implementation dep.toast
implementation dep.brvah
implementation dep.gson
implementation dep.baseadapter
//webview
api dep.agentweb
api 'com.just.agentweb:filechooser:4.1.2'//
api 'com.download.library:Downloader:4.1.2'//
implementation dep.picker_view
implementation dep.picker_picture
// api dep.aliyun
implementation 'com.amap.api:3dmap:7.0.0'
implementation 'com.amap.api:location:4.7.2'
implementation 'com.amap.api:search:6.9.2'
/**kotlin*/
implementation "androidx.core:core-ktx:1.2.0"
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
//utils
implementation 'com.blankj:utilcode:1.25.9'
//tablayout//https://github.com/H07000223/FlycoTabLayout
implementation 'com.flyco.tablayout:FlycoTabLayout_Lib:2.1.2@aar'
//butter knife
implementation "com.jakewharton:butterknife:$butterknifeVersion"
annotationProcessor "com.jakewharton:butterknife-compiler:$butterknifeVersion"
// api 'com.tencent.mm.opensdk:wechat-sdk-android-without-mta:5.5.7'
api 'com.tencent.mm.opensdk:wechat-sdk-android-with-mta:5.3.1'
implementation 'com.yanzhenjie.recyclerview:x:1.3.2'
implementation 'com.kingja.loadsir:loadsir:1.3.6'
/*lottie*/
implementation('com.airbnb.android:lottie:3.2.0') { exclude group: 'com.androidx' }
implementation 'cn.jiguang.sdk:jmessage:2.9.0' //
implementation 'cn.jiguang.sdk:jcore:2.3.0' //
implementation project(':reclib-testemoticons')
implementation 'cn.jiguang.sdk:jpush:3.5.8' //
implementation 'cn.jiguang.sdk:janalytics:2.1.0' //
implementation 'com.github.chrisbanes.photoview:library:1.2.4'
implementation 'com.github.mtotschnig:StickyListHeaders:2.7.1'
implementation 'com.michaelpardo:activeandroid:3.1.0-SNAPSHOT'
implementation 'com.yanzhenjie:permission:2.0.3'
debugImplementation 'com.didichuxing.doraemonkit:doraemonkit:3.0_beta2'
releaseImplementation 'com.didichuxing.doraemonkit:doraemonkit-no-op:3.0_beta2'
// api project(path: ':LibEasyGlide')
implementation 'com.binioter:guideview:1.0.0'
implementation 'androidx.legacy:legacy-support-v4:1.0.0'
//bugly
implementation 'com.tencent.bugly:crashreport:3.1.7'
implementation 'com.tencent.bugly:nativecrashreport:3.7.1'
implementation 'com.meituan.android.walle:library:1.1.6'
implementation "com.google.android.material:material:$materialVersion"
api project(path: ':LibEasyGlide')
}
walle {
apkOutputFolder = new File("${project.buildDir}/outputs/channels");
apkFileNameFormat = '${appName}-${channel}-${buildType}-v${versionName}.apk';
//apkFileNameFormat = '${appName}-${packageName}-${channel}-${buildType}-v${versionName}-${versionCode}-${buildTime}.apk';
channelFile = new File("${project.getProjectDir()}/channel")
}
I suspect it's the problem with proguard-rules.pro but don't know where it is
-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontskipnonpubliclibraryclassmembers
-dontpreverify
-verbose
-dontshrink
-keepattributes *Annotation*,InnerClasses
-keepattributes Signature
-keepattributes SourceFile,LineNumberTable
-optimizations !code/simplification/cast,!field/*,!class/merging/*
-dump class_files.txt
-printseeds seeds.txt
-printusage unused.txt
-printmapping mapping.txt
-keep class com.just.agentweb.** {
*;
}
-dontwarn com.just.agentweb.**
-keepclassmembers class com.yiguan.chuzhu.common.AndroidInterface{ *; }
#glide start
-keep public class * implements com.bumptech.glide.module.GlideModule
-keep public class * extends com.bumptech.glide.module.AppGlideModule
-keep public enum com.bumptech.glide.load.ImageHeaderParser$** {
**[] $VALUES;
public *;
}
#glide end
-keep class com.youth.banner.** {
*;
}
-keep class com.amap.api.maps.**{*;}
-keep class com.autonavi.**{*;}
-keep class com.amap.api.trace.**{*;}
-keep class com.amap.api.location.**{*;}
-keep class com.amap.api.fence.**{*;}
-keep class com.autonavi.aps.amapapi.model.**{*;}
#utils
-keep class com.blankj.utilcode.** { *; }
-keepclassmembers class com.blankj.utilcode.** { *; }
-dontwarn com.blankj.utilcode.**
-keep public class * extends android.app.Fragment
-keep public class * extends android.app.Activity
-keep public class * extends android.app.Application
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.preference.Preference
-keep public class * extends android.content.ContentProvider
-keep public class * extends android.app.backup.BackupAgentHelper
-keep public class * extends android.preference.Preference
-keep public class * extends android.view.View
-keep public class com.android.vending.licensing.ILicensingService
-keep public class * extends androidx.appcompat
-keep class androidx.**{*;}
-keep public class * extends android.view.View{
*** get*();
void set*(***);
public <init>(android.content.Context);
public <init>(android.content.Context, android.util.AttributeSet);
public <init>(android.content.Context, android.util.AttributeSet, int);
}
-assumenosideeffects class android.util.Log {
public static *** d(...);
public static *** v(...);
public static *** i(...);
public static *** e(...);
public static *** w(...);
}
# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator *;
}
-keepclassmembers class **.R$* {
public static <fields>;
}
-keep public class com.yiguan.chuzhu.R$*{
public static final int *;
}
-keep class * implements java.io.Serializable
-keepclassmembers class * implements java.io.Serializable {
static final long serialVersionUID;
private static final java.io.ObjectStreamField[] serialPersistentFields;
!static !transient <fields>;
private void writeObject(java.io.ObjectOutputStream);
private void readObject(java.io.ObjectInputStream);
java.lang.Object writeReplace();
java.lang.Object readResolve();
}
-keepclassmembers class fqcn.of.javascript.interface.for.webview {
public *;
}
-keepclassmembers class * extends android.webkit.webViewClient {
public void *(android.webkit.WebView, java.lang.String, android.graphics.Bitmap);
public boolean *(android.webkit.WebView, java.lang.String);
}
-keepclassmembers class * extends android.webkit.webViewClient {
public void *(android.webkit.webView, jav.lang.String);
}
-keep class * extends com.yiguan.chuzhu.base.BaseModel {*;}
# Keep native methods
-keepclassmembers class * {
native <methods>;
}
-dontwarn okio.**
-dontwarn com.squareup.okhttp.**
-dontwarn okhttp3.**
-dontwarn javax.annotation.**
-dontwarn com.android.volley.toolbox.**
# Gson
-keepattributes Signature
-keepattributes *Annotation*
-keep class sun.misc.Unsafe { *; }
-keep class com.google.gson.stream.** { *; }
#-keep class com.example.bean.** { *; }
# ButterKnife
-keep public class * implements butterknife.Unbinder {
public <init>(**, android.view.View);
}
-keep class butterknife.*
-keepclasseswithmembernames class * {
@butterknife.* <methods>;
}
-keepclasseswithmembernames class * {
@butterknife.* <fields>;
}
# RxJava RxAndroid
-dontwarn sun.misc.**
-keepclassmembers class rx.internal.util.unsafe.*ArrayQueue*Field* {
long producerIndex;
long consumerIndex;
}
-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueProducerNodeRef {
rx.internal.util.atomic.LinkedQueueNode producerNode;
}
-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueConsumerNodeRef {
rx.internal.util.atomic.LinkedQueueNode consumerNode;
}
-dontnote rx.internal.util.PlatformDependent
# keep setters in Views so that animations can still work.
# see http://proguard.sourceforge.net/manual/examples.html#beans
-keepclassmembers public class * extends android.view.View {
void set*(***);
*** get*();
}
#evebtbus
-keepattributes *Annotation*
-keepclassmembers class ** {
@org.greenrobot.eventbus.Subscribe <methods>;
}
-keep enum org.greenrobot.eventbus.ThreadMode { *; }
# Only required if you use AsyncExecutor
-keepclassmembers class * extends org.greenrobot.eventbus.util.ThrowableFailureEvent {
<init>(java.lang.Throwable);
}
-keep class com.tencent.mm.opensdk.** {
*;
}
-keep class com.tencent.wxop.** {
*;
}
-keep class com.tencent.mm.sdk.** {
*;
}
#loadSir
-dontwarn com.kingja.loadsir.**
-keep class com.kingja.loadsir.** {*;}
-dontoptimize
-dontpreverify
-keepattributes EnclosingMethod,Signature
-dontwarn cn.jpush.**
-keep class cn.jpush.** { *; }
-dontwarn cn.jiguang.**
-keep class cn.jiguang.** { *; }
-dontwarn cn.jmessage.**
-keep class cn.jmessage.**{ *; }
-keepclassmembers class ** {
public void onEvent*(**);
}
#========================gson================================
#-dontwarn com.google.**
#-keep class com.google.gson.** {*;}
#========================protobuf================================
-keep class com.google.protobuf.** {*;}
-dontoptimize
-dontpreverify
-dontwarn cn.jpush.**
-keep class cn.jpush.** { *; }
-keep class * extends cn.jpush.android.helpers.JPushMessageReceiver { *; }
-dontwarn cn.jiguang.**
-keep class cn.jiguang.** { *; }
#PictureSelector 2.0
-keep class com.luck.picture.lib.** { *; }
-dontwarn com.yalantis.ucrop**
-keep class com.yalantis.ucrop** { *; }
-keep interface com.yalantis.ucrop** { *; }
# immersionbar
-keep class com.gyf.immersionbar.* {*;}
-dontwarn com.gyf.immersionbar.**
#activeandroid
-keep class com.activeandroid.** { *; }
-dontwarn com.ikoding.app.biz.dataobject.**
-dontwarn com.activeandroid.**
-keep public class com.ikoding.app.biz.dataobject.** { *;}
-keepattributes *Annotation*
-keep class cn.jiguang.** { *; }
-keep class android.support.** { *; }
-keep class androidx.** { *; }
-keep class com.google.android.** { *; }
# bugly
-dontwarn com.tencent.bugly.**
-keep public class com.tencent.bugly.**{*;}
It has bothered me for a while, I have been using 3.5.3 now