I have created "Hello World!" android application in the Android Studio which compiled and run successfully.
Next I have added "Hello World!" ByteBuddy code:
Class<?> dynamicType = new ByteBuddy()
.subclass(Object.class)
.method(ElementMatchers.named("toString"))
.intercept(FixedValue.value("Hello World!"))
.make()
.load(getClass().getClassLoader())
.getLoaded();
Next I have added dependency:
compile 'net.bytebuddy:byte-buddy-android:1.7.6'
The application crashed while executing
.load(getClass().getClassLoader())
line with the following logcat output:
10-12 11:47:59.977 30562-30562/com.example.bytebuddyandroid D/AndroidRuntime: Shutting down VM
--------- beginning of crash
10-12 11:47:59.979 30562-30562/com.example.bytebuddyandroid E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.bytebuddyandroid, PID: 30562
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.bytebuddyandroid/com.example.bytebuddyandroid.MainActivity}: java.lang.UnsupportedOperationException: Cannot define class using reflection
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: java.lang.UnsupportedOperationException: Cannot define class using reflection
at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection$Dispatcher$Unavailable.defineClass(ClassInjector.java:821)
at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection.inject(ClassInjector.java:185)
at net.bytebuddy.dynamic.loading.ClassLoadingStrategy$Default$InjectionDispatcher.load(ClassLoadingStrategy.java:187)
at net.bytebuddy.dynamic.loading.ClassLoadingStrategy$Default.load(ClassLoadingStrategy.java:120)
at net.bytebuddy.dynamic.TypeResolutionStrategy$Passive.initialize(TypeResolutionStrategy.java:79)
at net.bytebuddy.dynamic.DynamicType$Default$Unloaded.load(DynamicType.java:4456)
at net.bytebuddy.dynamic.DynamicType$Default$Unloaded.load(DynamicType.java:4446)
at com.example.bytebuddyandroid.MainActivity.onCreate(MainActivity.java:22)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: java.lang.IllegalStateException: This JVM's version string does not seem to be valid: 0
at net.bytebuddy.ClassFileVersion$VersionLocator$ForLegacyVm.locate(ClassFileVersion.java:388)
at net.bytebuddy.ClassFileVersion.ofThisVm(ClassFileVersion.java:147)
at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection$Dispatcher$CreationAction.run(ClassInjector.java:301)
at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection$Dispatcher$CreationAction.run(ClassInjector.java:290)
at java.security.AccessController.doPrivileged(AccessController.java:45)
at net.bytebuddy.dynamic.loading.ClassInjector$UsingReflection.<clinit>(ClassInjector.java:70)
at net.bytebuddy.dynamic.loading.ClassLoadingStrategy$Default$InjectionDispatcher.load(ClassLoadingStrategy.java:184)
at net.bytebuddy.dynamic.loading.ClassLoadingStrategy$Default.load(ClassLoadingStrategy.java:120)
at net.bytebuddy.dynamic.TypeResolutionStrategy$Passive.initialize(TypeResolutionStrategy.java:79)
at net.bytebuddy.dynamic.DynamicType$Default$Unloaded.load(DynamicType.java:4456)
at net.bytebuddy.dynamic.DynamicType$Default$Unloaded.load(DynamicType.java:4446)
at com.example.bytebuddyandroid.MainActivity.onCreate(MainActivity.java:22)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
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:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
--------- beginning of system
Why the
"java.lang.UnsupportedOperationException: Cannot define class using reflection"
exception is thrown? What to do to avoid this exception?
OK, I had to use other version of load() with the argument specifying ClassLoadingStrategy. So I have changed it to
.load(getClass().getClassLoader(), new AndroidClassLoadingStrategy.Wrapping(this.getDir("dexgen", Context.MODE_PRIVATE)))
and it works now!
Related
There are some apps that read from this folder without any root access,I know some of the folders in /data requires root access,but I think this /data/app does not(there are some app that constantly access the data(s) inside it,like shareit,or any apk backup/share app),but I am always getting Exceptoions if I try to read or access any file/folder in /data/app folder. Please help. The code and the exceptions are bellow:
File[] files=new File("/data/app").listFiles();
for(int i=0;i<files.length;++i) {
System.out.println(files[i].getAbsolutePath());
}
Exceptions:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.ragib.app_from_scratch, PID: 9293
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.ragib.app_from_scratch/com.example.ragib.app_from_scratch.MainActivity}: java.lang.NullPointerException: Attempt to get length of null array
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
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:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: java.lang.NullPointerException: Attempt to get length of null array
at com.example.ragib.app_from_scratch.MainActivity.onCreate(MainActivity.java:43)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
I used FX file explorer to see if the folder is empty, but it was not, there was some folders(as some apps were installed). But I was unable to list those by my code.
Please have a look.
Thanks...
Screenshots are bellow(see the links)
Inside /data/app folder
Inside /data/app/com.facebook... folder, i even copied it from here to my sd card
I am trying to use the Linphone library for Android. I have installed all the libraries as specified and when I am trying to run the project, I am getting the below error.
Process: org.linphone, PID: 13440
java.lang.RuntimeException: Unable to start activity ComponentInfo{org.linphone/org.linphone.LinphoneLauncherActivity}: android.content.res.Resources$NotFoundException: Resource ID #0x7f0a003b type #0x5 is not valid
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: android.content.res.Resources$NotFoundException: Resource ID #0x7f0a003b type #0x5 is not valid
at android.content.res.Resources.getBoolean(Resources.java:999)
at org.linphone.LinphoneLauncherActivity.onCreate(LinphoneLauncherActivity.java:50)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Please let me know how can I resolve this as my work is stuck because of this.
Thanks in advance !!.
Regarding this ans:
Android Resources$NotFoundException: Resource ID #0x7f030027
You can check your R file for Resources$NotFoundException: Resource ID #0x7f030027. It'll tell you which resource was creating problem. As an alternative sollution I think you might have setText or any content just an int.And as you know here compiler will look for corresponding resource value. So, just concat an empty string there as ""
Can someone tell me what is wrong with my app it crashes on statr .
Here is the LogCat:
Process: com.moneyegg.bdpsoft.makemonepaypal, PID: 3358
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.moneyegg.bdpsoft.makemonepaypal/com.moneyegg.bdpsoft.makemonepaypal.MainActivity}: android.view.InflateException: Binary XML file line #13: Error inflating class uses-permission
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
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:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: android.view.InflateException: Binary XML file line #13: Error inflating class uses-permission
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:757)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:292)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at com.moneyegg.bdpsoft.makemonepaypal.MainActivity.onCreate(MainActivity.java:32)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
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:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.uses-permission" on path: DexPathList[[zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/base.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_dependencies_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_0_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_1_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_2_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_3_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_4_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_5_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_6_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_7_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_8_apk.apk", zip file "/data/app/com.moneyegg.bdpsoft.makemonepaypal-2/split_lib_slice_9_apk.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.view.LayoutInflater.createView(LayoutInflater.java:571)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:665)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:65)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:292)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
at com.moneyegg.bdpsoft.makemonepaypal.MainActivity.onCreate(MainActivity.java:32)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
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:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Suppressed: java.lang.ClassNotFoundException: android.view.uses-permission
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
07-29 19:03:38.835 1149-1908/? E/audio_hw_generic: Error opening input stream format 1, channel_mask 0010, sample_rate 16000
07-29 19:03:38.837 1149-1520/? E/cutils-trace: Error opening trace file: Permission denied (13)
07-29 19:04:45.254 1150-1150/? E/installd: eof
07-29 19:04:45.254 1150-1150/? E/installd: failed to read size
01-01 00:00:00.000 0-0/? E/Internal: device 'emulator-5554' not found
Check your XML for Main Activity, there is a permission declaration, which should go to AndroidManifest.xml, and not in layout XMLs.
I am trying to use RecyclerView in my project, but because we have some bad proxies, I cannot afford to add compile "com.android.support:recyclerview-v7:+" to my build.gradle because the download is very slow. Instead, for the other libraries, I simply added the .jar files to the 'libs' folder of the project and in build.gradle I have compile files('libs/android-support-v7-recyclerview.jar'). I got the .jar from the Android SDK under /extras/android/support/v7/recyclerview/libs.
I got the android-support-v4 library from the same place and it works fine.
The app is building, but at runtime, I get a NoClassDefFoundError. The behavior can be replicated using Google's RecyclerView sample found in /samples/android-21/ui/views/RecyclerView by replacing in Application/build.gradle these lines:
compile "com.android.support:support-v4:21.+"
compile "com.android.support:gridlayout-v7:21.+"
compile "com.android.support:cardview-v7:21.+"
compile "com.android.support:recyclerview-v7:+"
With these ones:
compile files('libs/android-support-v4.jar')
compile files('libs/android-support-v7-gridlayout.jar')
compile files('libs/android-support-v7-cardview.jar')
compile files('libs/android-support-v7-recyclerview.jar')
And adding the 4 jar files from the same SDK to Application/libs (you need to create the folder as it doesn't have one).
The full error log generated by the Google sample:
04-27 16:22:02.122 1405-1405/com.example.android.recyclerview E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.android.recyclerview, PID: 1405
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.android.recyclerview/com.example.android.recyclerview.MainActivity}: android.view.InflateException: Binary XML file line #38: Error inflating class android.support.v7.widget.RecyclerView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
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:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: android.view.InflateException: Binary XML file line #38: Error inflating class android.support.v7.widget.RecyclerView
at android.view.LayoutInflater.createView(LayoutInflater.java:633)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at com.example.android.recyclerview.RecyclerViewFragment.onCreateView(RecyclerViewFragment.java:67)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:339)
at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:602)
at com.example.android.common.activities.SampleActivityBase.onStart(SampleActivityBase.java:39)
at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1236)
at android.app.Activity.performStart(Activity.java:6006)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
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:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
at android.view.LayoutInflater.createView(LayoutInflater.java:607)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at com.example.android.recyclerview.RecyclerViewFragment.onCreateView(RecyclerViewFragment.java:67)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:339)
at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:602)
at com.example.android.common.activities.SampleActivityBase.onStart(SampleActivityBase.java:39)
at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1236)
at android.app.Activity.performStart(Activity.java:6006)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/support/v7/recyclerview/R$styleable;
at android.support.v7.widget.RecyclerView.<init>(RecyclerView.java:487)
at android.support.v7.widget.RecyclerView.<init>(RecyclerView.java:456)
at java.lang.reflect.Constructor.newInstance(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
at android.view.LayoutInflater.createView(LayoutInflater.java:607)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at com.example.android.recyclerview.RecyclerViewFragment.onCreateView(RecyclerViewFragment.java:67)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:339)
at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:602)
at com.example.android.common.activities.SampleActivityBase.onStart(SampleActivityBase.java:39)
at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1236)
at android.app.Activity.performStart(Activity.java:6006)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v7.recyclerview.R$styleable" on path: DexPathList[[zip file "/data/app/com.example.android.recyclerview-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.support.v7.widget.RecyclerView.<init>(RecyclerView.java:487)
at android.support.v7.widget.RecyclerView.<init>(RecyclerView.java:456)
at java.lang.reflect.Constructor.newInstance(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
at android.view.LayoutInflater.createView(LayoutInflater.java:607)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at com.example.android.recyclerview.RecyclerViewFragment.onCreateView(RecyclerViewFragment.java:67)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1974)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:339)
at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:602)
at com.example.android.common.activities.SampleActivityBase.onStart(SampleActivityBase.java:39)
at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1236)
at android.app.Activity.performStart(Activity.java:6006)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2288)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Suppressed: java.lang.ClassNotFoundException: android.support.v7.recyclerview.R$styleable
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)
... 32 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
I also tried, as people suggested, to use the classes.jar found in extras/android/m2repository/com/android/support/recyclerview-v7/23.3.0/recyclerview-v7-23.3.0.aar but the result was exactly the same.
Any hints on what I might be missing/doing wrong?
The jar file doesn't have all the necessary source code in it. You have to use the aar file instead.
Please check this thread how an aar file can be included in your project.
I have switched my Android development over to Kotlin, but I am dealing with a crash that I can't figure out. I am used to, in Java, being able to display an error on an empty EditText:
if(mEmail.getText().toString().isEmpty()) {
mEmail.setError("Email cannot be blank.");
}
To the best of my knowledge, that could be translated to Kotlin as:
if(email.text.toString().isEmpty()) {
email.error = "Email cannot be blank."
}
However, that doesn't work, and I get the following stack trace:
Process: com.androidessence.capturethetag, PID: 4016
android.view.InflateException: Binary XML file line #17: Error inflating class TextView
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:763)
at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
at android.widget.Editor.showError(Editor.java:319)
at android.widget.Editor.setError(Editor.java:355)
at android.widget.TextView.setError(TextView.java:4648)
at android.widget.TextView.setError(TextView.java:4633)
at com.androidessence.capturethetag.activities.LoginActivity.validateInput(LoginActivity.kt:31)
at com.androidessence.capturethetag.activities.LoginActivity.access$validateInput(LoginActivity.kt:12)
at com.androidessence.capturethetag.activities.LoginActivity$onCreate$1.onClick(LoginActivity.kt:19)
at android.view.View.performClick(View.java:4780)
at android.view.View$PerformClick.run(View.java:19866)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Caused by: java.lang.RuntimeException: Failed to resolve attribute at index 24
at android.content.res.TypedArray.getColor(TypedArray.java:401)
at android.widget.TextView.<init>(TextView.java:696)
at android.widget.TextView.<init>(TextView.java:632)
at android.support.v7.widget.AppCompatTextView.<init>(AppCompatTextView.java:60)
at android.support.v7.widget.AppCompatTextView.<init>(AppCompatTextView.java:56)
at android.support.v7.app.AppCompatViewInflater.createView(AppCompatViewInflater.java:92)
at android.support.v7.app.AppCompatDelegateImplV7.createView(AppCompatDelegateImplV7.java:938)
at android.support.v7.app.AppCompatDelegateImplV7.onCreateView(AppCompatDelegateImplV7.java:992)
at android.support.v4.view.LayoutInflaterCompatHC$FactoryWrapperHC.onCreateView(LayoutInflaterCompatHC.java:44)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:725)
at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
at android.widget.Editor.showError(Editor.java:319)
at android.widget.Editor.setError(Editor.java:355)
at android.widget.TextView.setError(TextView.java:4648)
at android.widget.TextView.setError(TextView.java:4633)
at com.androidessence.capturethetag.activities.LoginActivity.validateInput(LoginActivity.kt:31)
at com.androidessence.capturethetag.activities.LoginActivity.access$validateInput(LoginActivity.kt:12)
at com.androidessence.capturethetag.activities.LoginActivity$onCreate$1.onClick(LoginActivity.kt:19)
at android.view.View.performClick(View.java:4780)
at android.view.View$PerformClick.run(View.java:19866)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
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:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
Any ideas why this is crashing in Kotlin?
EDIT
For more information, you can see my content_login.xml file here. I've used Gist to save space.
Also, I never call findViewById(); on my EditText because the Kotlin-Android Extension Plugin can do it, as mentioned here: https://kotlinlang.org/docs/tutorials/android-plugin.html
I have no doubts that it's referencing the right EditText, because logging showed me that it was able to determine the EditText was empty, but is unable to set the error attribute.