Didn't find class "android.support.multidex.MultiDexApplication" on path: DexPathList
AndroidGradleDexAndroid MultidexAndroid Problem Overview
I'm trying the new MultiDex Support on my app and so far I've managed to compile my app correctly, but when running it, I get the following exception:
java.lang.RuntimeException: Unable to instantiate application android.support.multidex.MultiDexApplication: java.lang.ClassNotFoundException: Didn't find class "android.support.multidex.MultiDexApplication" on path: DexPathList[[zip file "/data/app/me.myapp.main-2.apk"],nativeLibraryDirectories=[/data/app-lib/me..main-2, /vendor/lib, /system/lib]]
at android.app.LoadedApk.makeApplication(LoadedApk.java:507)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4382)
at android.app.ActivityThread.access$1500(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1270)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5086)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.multidex.MultiDexApplication" on path: DexPathList[[zip file "/data/app/me.myapp.main-2.apk"],nativeLibraryDirectories=[/data/app-lib/me.myapp.main-2, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
at android.app.Instrumentation.newApplication(Instrumentation.java:998)
at android.app.LoadedApk.makeApplication(LoadedApk.java:502)
This is my gradle file:
apply plugin: 'com.android.application'
android {
compileSdkVersion 21
buildToolsVersion "21.1.0"
defaultConfig {
minSdkVersion 16
targetSdkVersion 21
multiDexEnabled true
}
buildTypes {
release {
minifyEnabled true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
debug {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
packagingOptions {
exclude 'META-INF/LICENSE.txt'
exclude 'META-INF/NOTICE.txt'
}
}
repositories {
mavenCentral()
mavenLocal()
}
dependencies {
compile 'com.android.support:multidex:1.0.0'
compile fileTree(include: ['*.jar'], dir: 'libs')
compile 'com.android.support:support-v4:21.0.0'
compile 'com.android.support:support-v13:21.0.0'
compile 'com.android.support:appcompat-v7:21.0.0'
}
And my AndroidManifest.xml:
<application
android:name="android.support.multidex.MultiDexApplication">
I don't understand what the problem is. I think I'm doing everything according to the documentation. Is there something else i am missing? I made sure I had the latest support library and repo installed from the SDK manager.
Android Solutions
Solution 1 - Android
The solution didn't help me because I was using jetpack version ie androidx. libraries.
Followed official doc.
And
I had to change name to androidx....Multidex.
<application
android:name="androidx.multidex.MultiDexApplication" >
...
</application>
Hope It helps other people looking for adding multidex with jetpack.
Solution 2 - Android
In my case its solved by changes below code in Manifest from
android:name="android.support.multidex.MultiDexApplication"
to
android:name="androidx.multidex.MultiDexApplication"
Solution 3 - Android
My configuration:
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.14.+' // 0.14.1, 2014-11-6
}
}
dependencies {
compile 'com.android.support:multidex:1.0.0'
}
android {
compileSdkVersion = 21
buildToolsVersion = "21.1.0"
defaultConfig {
minSdkVersion 14
targetSdkVersion 21
multiDexEnabled true
}
}
Unfortunately, I have the same problem. But I found a strange situation:
build/intermediates/dex/debug:
-rw-rw-r-- 1 andrew andrew 2221176 Nov 6 20:18 classes2.dex
-rw-rw-r-- 1 andrew andrew 8357596 Nov 6 20:18 classes.dex
unzip apk, build/outputs/apk:
-rw-rw-r-- 1 andrew andrew 8357596 Nov 6 20:18 classes2.dex
-rw-rw-r-- 1 andrew andrew 2221176 Nov 6 20:18 classes.dex
In apk, the main classes of classes.dex should be bigger than classes2.dex, but its not. I do also dex2jar & unzip jar to check classes, the application class is not there in classes.dex, its in classes2.dex contrarily.
However, I should have fixed it. Here is my patched android gradle plugin you can try:
buildscript {
repositories {
mavenCentral()
maven { url 'https://github.com/yongjhih/android-gradle-plugin.m2/raw/master/' }
}
dependencies {
classpath 'com.infstory.tools.build:gradle:0.14.+'
}
}
The patch is in: https://github.com/yongjhih/android-gradle-plugin/commit/9c2212e3b1b4c6e1f7b47f2086aba1903a6258bf or https://android-review.googlesource.com/#/c/113331/
issue: https://code.google.com/p/android/issues/detail?id=78761
The official patch is https://android-review.googlesource.com/#/c/113201/ that already been merged, I think it might be fixed in next version.
Already been fixed 0.14.2 (2014/11/10). (from http://tools.android.com/tech-docs/new-build-system)
Release notes:
0.14.2 (2014/11/10)
Fix potential multi-dex issue where the dex files could be renamed during packaging, leading to the wrong main dex file being used.
Fix versionNameSuffix support
Fix BuildType.initWith to copy shrinkResources flag
setup default proguard rule file if none are provided (SDK/tools/proguard/proguard-android.txt)
BuildType.pseudoLocalesEnabled flag to include fake locales in apk.
Solution 4 - Android
Setting up your app project to use a multidex configuration requires that you make the following modifications to your app project, depending on the minimum Android version your app supports.
If your minSdkVersion is set to 21 or higher, all you need to do is set multiDexEnabled to true in your module-level build.gradle file, as shown here:
android {
defaultConfig {
...
minSdkVersion 21
targetSdkVersion 26
multiDexEnabled true
}
...
}
However, if your minSdkVersion is set to 20 or lower, then you must use the multidex support library as follows:
-
Modify the module-level build.gradle file to enable multidex and add the multidex library as a dependency, as shown here:
android { defaultConfig { ... minSdkVersion 15 targetSdkVersion 26 multiDexEnabled true } ... } dependencies { compile 'com.android.support:multidex:1.0.1' }
-
Depending on whether you override the Application class, perform one of the following:
-
If you do not override the Application class, edit your manifest file to set android:name in the
tag as follows: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.myapp"> <application android:name="android.support.multidex.MultiDexApplication" > ... </application> </manifest>
-
If you do override the Application class, change it to extend MultiDexApplication (if possible) as follows:
public class MyApplication extends MultiDexApplication { ... }
-
Or if you do override the Application class but it's not possible to change the base class, then you can instead override the attachBaseContext() method and call MultiDex.install(this) to enable multidex:
public class MyApplication extends SomeOtherApplication { @Override protected void attachBaseContext(Context base) { super.attachBaseContext(base); MultiDex.install(this); } }
-
Solution 5 - Android
I recently had this issue. Despite no change to my configuration this error started occurring. I tried all of the suggested solutions including deleting the virtual device and creating a fresh one.
However, I did notice that if I built an APK and dragged it into the emulator to install, it worked fine.
In the end cleaning the project and re-running and then it worked.
Solution 6 - Android
For me, the answer was to switch to the androidx versions
android:name="androidx.multidex.MultiDexApplication"
implementation "androidx.multidex:multidex:2.0.1"
Solution 7 - Android
I was using the latest Android Studio and following the official document to add support to multidex https://developer.android.com/studio/build/multidex.html . But I still got the same exception. I spent a lot of time solving it. At last, I found the cause was I enabled "Java Exception Breakpoints - Any exception", and "Exception Breakpoints - When any is thrown". After I disabled them, the app ran without problems.
Just follow the official document about multidex https://developer.android.com/studio/build/multidex.html . It works.
Solution 8 - Android
In my case I just changed the build.gradle and I leaved the AndroidManifest like that:
android:name=".MainApplication"
I am using React Native.
Solution 9 - Android
i jaust changed in manifest application
android:name="android.support.multidex.MultiDexApplication"
to
android:name="androidx.multidex.MultiDexApplication"
and it's working fine
Solution 10 - Android
This worked for me.
File -> Sync Project with Grandle Files
Solution 11 - Android
Delete ./gradle .idea and build directory
Clean project
Uninstall app if already install on device and again install
Solution 12 - Android
Very strange, I got same error message, but after I fixed some gradle lines it worked. Maybe it helps somebody:
Project build.gradle:
from:
..
dependencies {
// Android Gradle Plugin
classpath 'com.android.tools.build:gradle:3.2.1'
// Analytics
**classpath 'com.google.gms:google-services:3.0.0'**
}
..
to: ..
dependencies {
// Android Gradle Plugin
classpath 'com.android.tools.build:gradle:3.2.1'
// Analytics
**classpath 'com.google.gms:google-services:3.2.1'**
}
..
In the module build.gradle:
from:
..
dependencies {
implementation 'com.android.support:multidex:1.0.3'
implementation 'com.android.support:support-v4:26.1.0'
implementation 'com.android.support:support-compat:26.1.0'
implementation 'com.android.support:appcompat-v7:26.1.0'
**implementation 'com.google.android.gms:play-services-analytics:12.0.1'**
}
..
to:
..
dependencies {
implementation 'com.android.support:multidex:1.0.3'
implementation 'com.android.support:support-v4:26.1.0'
implementation 'com.android.support:support-compat:26.1.0'
implementation 'com.android.support:appcompat-v7:26.1.0'
**implementation 'com.google.android.gms:play-services-analytics:16.0.5'**
}
..
There was no other changes in my code, but the fixed version worked on 4.x emulators too. Only the ** marked lines are changed.
Solution 13 - Android
The Problem is in Gradle File Please Increase the Version That's it
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.5.3'
}
}
Solution 14 - Android
android { compileSdkVersion 30 buildToolsVersion "30.0.1"
defaultConfig {
applicationId "com.nandeproduction.dailycost"
minSdkVersion 16
targetSdkVersion 30
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
multiDexEnabled true
}
compileOptions {
sourceCompatibility 1.8
targetCompatibility 1.8
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}}
[Solution] Use this special code
compileOptions {
sourceCompatibility 1.8
targetCompatibility 1.8
}
Solution 15 - Android
-
Go to manifest -> inside application tag -> directly put your class name with dot or check the package of that file and add that manually.
android:name=".AppController"