我将Android Studio更新为3.6,在一个项目中,我遇到了MultiDex的问题,并且在Calligraphy
和另一个库中不断出现此错误:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.tivasot.book, PID: 7730
java.lang.NoClassDefFoundError: Failed resolution of: Luk/co/chrisjenx/calligraphy/R$attr;
at uk.co.chrisjenx.calligraphy.CalligraphyConfig$Builder.<init>(CalligraphyConfig.java:194)
at com.tivasot.book.Book.onCreate(Book.java:33)
at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1154)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5926)
at android.app.ActivityThread.access$1100(ActivityThread.java:201)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1657)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6724)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:495)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: java.lang.ClassNotFoundException: Didn't find class "uk.co.chrisjenx.calligraphy.R$attr" on path: DexPathList[[zip file "/data/app/com.tivasot.book-LOo7ps1gQoepvwm4tMW5tQ==/base.apk"],nativeLibraryDirectories=[/data/app/com.tivasot.book-LOo7ps1gQoepvwm4tMW5tQ==/lib/arm64, /data/app/com.tivasot.book-LOo7ps1gQoepvwm4tMW5tQ==/base.apk!/lib/arm64-v8a, /system/lib64, /system/vendor/lib64]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:134)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
minSdkVersion 21
并运行没有Multidex依赖项的项目MultiDexApplication
MultiDex.install(this);
时尝试了Application
'multidex-config.txt'
的Luk/co/chrisjenx/calligraphy/R
文件,并将其设置在gradle文件的buildTypes
中-(我可能没有正确执行此操作]multiDexEnabled false
-可以编译,但是我仍然得到相同的错误日志。android {
compileSdkVersion 29
defaultConfig {
applicationId "the.app.id"
minSdkVersion 21
targetSdkVersion 29
versionCode 1
versionName "1.0"
vectorDrawables.useSupportLibrary = true
multiDexEnabled false
renderscriptSupportModeEnabled true
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
multiDexKeepFile file('multidex-config.txt')
}
debug {
multiDexKeepFile file('multidex-config.txt')
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
android.applicationVariants.all { variant ->
variant.outputs.all {
def appName = "Book"
outputFileName = appName + ".apk"
}
}
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 'androidx.multidex:multidex:2.0.1'
...
}
我还可以做些什么?我认为新的gradle版本存在一个错误。我在项目的gradle文件中从3.6.0
降级为3.5.3
,在gradle-wrapper.properties
中从gradle-5.6.4-all.zip
降级为gradle-5.4.1-all.zip
,它现在可以正常工作。
是,我遇到了同样的问题,两个版本都为3.6.0 / 3.6.1