I keep reading about the verifyError exception, but I can't seem to find a good solution for my problem.
The logs give me the following error:
Caused by: java.lang.VerifyError: Verifier rejected class mypackage.GraphThready: void mypackage.GraphThready.run() failed to verify: void mypackage.GraphThready.run(): [0x50BE] copy1 v2<-v398 type=Undefined cat=1 (declaration of 'mypackage.GraphThready' appears in /data/app/mypackage-2/split_lib_slice_9_apk.apk)
I don't know if it is because my class, mypackage.GraphThready is declared twice or perhaps the fact that I am testing my app on Android device with API 24(version number 7.0)
Here is what part of the app gradle file looks like:
compileSdkVersion 26
buildToolsVersion '27.0.3'
defaultConfig {
applicationId "mypackage"
minSdkVersion 16
targetSdkVersion 26
versionCode 2
versionName "2.0"
multiDexEnabled true
Perhaps I should change 'compiledSdkVersion' to 24? Any suggestions.
After much reading, updating and compiling my android app, I found out that I was not adding proper multi-dex support. It turns out all I had to do was increase the minSdkVersion in my gradle file to at least 21(Lollipop devices). According to the Android device Dashboard found here https://developer.android.com/about/dashboards/ about 10.3% of Android devices run KitKat which is a huge percentage of the lower level API's(<21). I am assuming is a world-wide figure not related to API level distribution in Android devices here in the USA, which is market where I will release the app. So, I changed minSdkVersion to 21 and kept the multiDexEnabled = true in the gradle file, and the error disappeared. For those that supporting pre-Lollipop devices and wish to add multi-dex support click here https://developer.android.com/studio/build/multidex It will show you exactly what to do, which is not very difficult.
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