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Android Studio - ignore hold rules?

I recently migrated an Android project from Eclipse to Android Studio.

The debug version of the application created by Android Studio works fine on the device, but the version crashes on startup.

Here is my build.gradle application build.gradle :

 apply plugin: 'com.android.application' apply plugin: 'com.google.gms.google-services' android { compileSdkVersion 23 buildToolsVersion "23.0.2" defaultConfig { applicationId "com.example.myapp" minSdkVersion 15 targetSdkVersion 23 versionCode 49 versionName "1.3.1" } buildTypes { release { minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } packagingOptions { //exclude 'META-INF/DEPENDENCIES' exclude 'META-INF/NOTICE' exclude 'META-INF/LICENSE' exclude 'META-INF/LICENSE.txt' exclude 'META-INF/NOTICE.txt' } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.1.1' compile 'com.android.support:design:23.1.1' compile 'com.android.support:support-v13:23.1.1' compile 'org.apache.httpcomponents:httpmime:4.2.3' compile 'org.twitter4j:twitter4j-core:4.0.2' compile 'com.facebook.android:facebook-android-sdk:4.8.2' compile 'ch.acra:acra:4.7.0' compile 'com.google.android.gms:play-services-analytics:8.3.0' compile 'com.google.android.gms:play-services-ads:8.3.0' compile 'com.google.android.gms:play-services-plus:8.3.0' //compile 'com.google.android.gms:play-services:8.3.0' compile 'com.google.android.gms:play-services-gcm:8.3.0' }

Here is my proguard-rules.pro file:

 # Add project specific ProGuard rules here. # By default, the flags in this file are appended to flags specified # in P:\Program Files\Android\sdk/tools/proguard/proguard-android.txt # You can edit the include path and order by changing the proguardFiles # directive in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # Add any project specific keep options here: # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} # # My Classes - start # -keep public class com.example.myapp.SplashActivity -keep public class com.example.myapp.FragmentActivityWithListener -keep public class com.example.myapp.AbstractHelpActivity -keep public class com.example.myapp.GetContentFromWebTask$CompletedListener # Don't rename the MenuBuilder filename as this is referenced in our AbstractHelpActivity.java file -keep public class android.support.v7.internal.view.menu.MenuBuilder -keep class android.support.v7.widget.ShareActionProvider { *; } # # My Classes - end # # # Twitter library - start # -dontwarn twitter4j.** -keep class twitter4j.** { *; } # # Twitter library - end # # # Google Play Service library - start # -keep class * extends java.util.ListResourceBundle { protected Object[][] getContents(); } -keep public class com.google.android.gms.common.internal.safeparcel.SafeParcelable { public static final *** NULL; } -keepnames @com.google.android.gms.common.annotation.KeepName class * -keepclassmembernames class * { @com.google.android.gms.common.annotation.KeepName *; } -keepnames class * implements android.os.Parcelable { public static final ** CREATOR; } # # Google Play Service library - end # # # ACRA - start # #ACRA specifics # Restore some Source file names and restore approximate line numbers in the stack traces, # otherwise the stack traces are pretty useless -keepattributes SourceFile,LineNumberTable # ACRA needs "annotations" so add this... # Note: This may already be defined in the default "proguard-android-optimize.txt" # file in the SDK. If it is, then you don't need to duplicate it. See your # "project.properties" file to get the path to the default "proguard-android-optimize.txt". -keepattributes *Annotation* # keep this class so that logging will show 'ACRA' and not a obfuscated name like 'a'. # Note: if you are removing log messages elsewhere in this file then this isn't necessary -keep class org.acra.ACRA { *; } # keep this around for some enums that ACRA needs -keep class org.acra.ReportingInteractionMode { *; } -keepnames class org.acra.sender.HttpSender$** { *; } -keepnames class org.acra.ReportField { *; } # keep this otherwise it is removed by ProGuard -keep public class org.acra.ErrorReporter { public void addCustomData(java.lang.String,java.lang.String); public void putCustomData(java.lang.String,java.lang.String); public void removeCustomData(java.lang.String); } # keep this otherwise it is removed by ProGuard -keep public class org.acra.ErrorReporter { public void handleSilentException(java.lang.Throwable); } # # ACRA - end # # # Facebook - start # -keep class com.facebook.** { *; } -keepattributes Signature # # Facebook - end #

Here is the stack trace:

 01-06 11:48:58.313 27667-27667/? E/ACRA: ACRA caught a RuntimeException for com.example.myapp java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.myapp/com.example.myapp.SplashActivity}: java.lang.ClassNotFoundException: Didn't find class "com.example.myapp.SplashActivity" on path: DexPathList[[zip file "/data/app/com.example.myapp-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]] at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2650) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2873) at android.app.ActivityThread.access$900(ActivityThread.java:181) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1482) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:6145) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194) Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.myapp.SplashActivity" on path: DexPathList[[zip file "/data/app/com.example.myapp-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:511) at java.lang.ClassLoader.loadClass(ClassLoader.java:469) at android.app.Instrumentation.newActivity(Instrumentation.java:1079) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2640) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2873) at android.app.ActivityThread.access$900(ActivityThread.java:181) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1482) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:6145) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194) Suppressed: java.lang.NoClassDefFoundError: com.example.myapp.SplashActivity at dalvik.system.DexFile.defineClassNative(Native Method) at dalvik.system.DexFile.defineClass(DexFile.java:226) at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219) at dalvik.system.DexPathList.findClass(DexPathList.java:321) at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54) ... 14 more Suppressed: java.lang.ClassNotFoundException: com.example.myapp.SplashActivity at java.lang.Class.classForName(Native Method) at java.lang.BootClassLoader.findClass(ClassLoader.java:781) at java.lang.BootClassLoader.loadClass(ClassLoader.java:841) at java.lang.ClassLoader.loadClass(ClassLoader.java:504) ... 13 more Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available 01-06 11:48:58.363 27667-27667/? E/ACRA: Not adding buildConfig to log. Class Not found : com.example.myapp.BuildConfig. Please configure 'buildConfigClass' in your ACRA config 01-06 11:48:58.453 27667-27691/? E/ACRA: ACRA caught a InternalError for com.example.myapp java.lang.InternalError: Thread starting during runtime shutdown at java.lang.Thread.nativeCreate(Native Method) at java.lang.Thread.start(Thread.java:1063) at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:920) at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1336) at com.android.okhttp.ConnectionPool.get(ConnectionPool.java:211) at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:109) at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:368) at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:296) at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:399) at com.android.okhttp.internal.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:110) at org.acra.eba(HttpRequest.java:122) at org.acra.sender.HttpSender.a(HttpSender.java:245) at org.acra.af.a(SendWorker.java:181) at org.acra.af.a(SendWorker.java:140) at org.acra.af.run(SendWorker.java:76) 01-06 11:48:58.483 27667-27691/? E/ACRA: Not adding buildConfig to log. Class Not found : com.example.myapp.BuildConfig. Please configure 'buildConfigClass' in your ACRA config 01-06 11:48:58.503 27667-27691/? E/AndroidRuntime: FATAL EXCEPTION: Thread-2863 Process: com.example.myapp, PID: 27667 java.lang.InternalError: Thread starting during runtime shutdown at java.lang.Thread.nativeCreate(Native Method) at java.lang.Thread.start(Thread.java:1063) at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:920) at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1336) at com.android.okhttp.ConnectionPool.get(ConnectionPool.java:211) at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:109) at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:368) at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:296) at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:399) at com.android.okhttp.internal.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:110) at org.acra.eba(HttpRequest.java:122) at org.acra.sender.HttpSender.a(HttpSender.java:245) at org.acra.af.a(SendWorker.java:181) at org.acra.af.a(SendWorker.java:140) at org.acra.af.run(SendWorker.java:76) 01-06 11:48:58.503 1038-1476/? W/ActivityManager: Force finishing activity com.example.myapp/.SplashActivity

So, it seems that the keep rules that I specified in the proguard-rules.pro file proguard-rules.pro not used, because the class com.example.myapp.SplashActivity cannot be found.

I checked the Android Developers ProGuard page and it looks like I set everything up correctly, so I have no idea why this is not working.

Can anyone advise what I need to do in order to end the tangled apk that works?

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2 answers

I found a problem. This was in my project build.gradle file:

 // Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { repositories { jcenter() // This is the default repo mavenCentral() // This is the Maven Central repo } dependencies { classpath 'com.android.tools.build:gradle:1.3.0' classpath 'com.google.gms:google-services:1.5.0-beta2' // NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files } } allprojects { repositories { jcenter() // This is the default repo mavenCentral() // This is the Maven Central repo } } task clean(type: Delete) { delete rootProject.buildDir }

The solution was to change the classpath 'com.android.tools.build:gradle:1.3.0' to classpath 'com.android.tools.build:gradle:1.5.0' .

(I discovered this by creating a new test project and comparing the values ​​in the corresponding build.gradle files.)

By the way, the contents of my proguard-rules.pro file proguard-rules.pro now just ...

 # # Twitter - start # -dontwarn twitter4j.** -keep class twitter4j.** { *; } # # Twitter - end # # # Support library / ShareActionProvider - start # -keep class android.support.v7.internal.** { *; } -keep interface android.support.v7.internal.** { *; } -keep class android.support.v7.** { *; } -keep interface android.support.v7.** { *; } # # Support library / ShareActionProvider - start # # # ACRA - start # #ACRA specifics # Restore some Source file names and restore approximate line numbers in the stack traces, # otherwise the stack traces are pretty useless -keepattributes SourceFile,LineNumberTable # ACRA needs "annotations" so add this... # Note: This may already be defined in the default "proguard-android-optimize.txt" # file in the SDK. If it is, then you don't need to duplicate it. See your # "project.properties" file to get the path to the default "proguard-android-optimize.txt". -keepattributes *Annotation* # keep this class so that logging will show 'ACRA' and not a obfuscated name like 'a'. # Note: if you are removing log messages elsewhere in this file then this isn't necessary -keep class org.acra.ACRA { *; } # keep this around for some enums that ACRA needs -keep class org.acra.ReportingInteractionMode { *; } -keepnames class org.acra.sender.HttpSender$** { *; } -keepnames class org.acra.ReportField { *; } # keep this otherwise it is removed by ProGuard -keep public class org.acra.ErrorReporter { public void addCustomData(java.lang.String,java.lang.String); public void putCustomData(java.lang.String,java.lang.String); public void removeCustomData(java.lang.String); } # keep this otherwise it is removed by ProGuard -keep public class org.acra.ErrorReporter { public void handleSilentException(java.lang.Throwable); } # # ACRA - end #

... so I didn’t need many of my old directions or suggestions offered by Dhawal in his answer.

NB - I understand that ACRA directives are not required from ACRA 4.8.

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don't use -keep public class com.example.myapp.SplashActivity

delete all lines for the proguard file and use below using this proguard so as not to change the class name of your application (add the lines below, depending on your requirement, for example, your application does not have a content provider, and then delete its line).

 -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.content.ContentProvider -keep public class * extends android.app.backup.BackupAgentHelper -keep public class * extends android.preference.Preference -keep public class com.android.vending.licensing.ILicensingService -keep class org.xmlpull.v1.** { *; } -dontnote com.android.vending.licensing.ILicensingService

read this: how to use proguard in an android application

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Source: https://habr.com/ru/post/1239995/

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