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12/26 05:35:23: Launching 'app' on Asus ASUS_Z01QD.
App restart successful without requiring a re-install.
$ adb shell am start -n "com.sevenlearn.androidcomponenttutorial/com.sevenlearn.androidcomponenttutorial.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Connected to process 2370 on device 'asus-asus_z01qd-127.0.0.1:21503'.
Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page.
I/art: Late-enabling -Xcheck:jni
W/art: Unexpected CPU variant for X86 using defaults: x86
W/System: ClassLoader referenced unknown path: /data/app/com.sevenlearn.androidcomponenttutorial-1/lib/x86
W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter androidx.vectordrawable.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable
I/art: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2>: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/view/View$OnUnhandledKeyEventListener;
I/art:     at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463)
I/art:     at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938)
I/art:     at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806)
I/art:     at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693)
I/art:     at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170)
I/art:     at void com.sevenlearn.androidcomponenttutorial.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:13)
I/art:     at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6739)
I/art:     at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1118)
I/art:     at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2619)
I/art:     at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2727)
I/art:     at void android.app.ActivityThread.-wrap12(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
I/art:     at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1478)
I/art:     at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:102)
I/art:     at void android.os.Looper.loop() (Looper.java:154)
I/art:     at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6121)
I/art:     at java.lang.Object java.lang.reflect.Method.invoke!(java.lang.Object, java.lang.Object[]) (Method.java:-2)
I/art:     at void com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run() (ZygoteInit.java:889)
I/art:     at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:779)
I/art: Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/com.sevenlearn.androidcomponenttutorial-1/base.apk"],nativeLibraryDirectories=[/data/app/com.sevenlearn.androidcomponenttutorial-1/lib/x86, /system/lib, /vendor/lib]]
I/art:     at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:56)
I/art:     at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:380)
I/art:     at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:312)
I/art:     at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463)
I/art:     at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938)
I/art:     at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806)
I/art:     at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693)
I/art:     at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170)
I/art:     at void com.sevenlearn.androidcomponenttutorial.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:13)
I/art:     at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6739)
I/art:     at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1118)
I/art:     at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2619)
I/art:     at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2727)
I/art:     at void android.app.ActivityThread.-wrap12(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
I/art:     at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1478)
I/art:     at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:102)
I/art:     at void android.os.Looper.loop() (Looper.java:154)
I/art:     at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6121)
I/art:     at java.lang.Object java.lang.reflect.Method.invoke!(java.lang.Object, java.lang.Object[]) (Method.java:-2)
I/art:     at void com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run() (ZygoteInit.java:889)
I/art:     at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:779)
I/art: 
D/: HostConnection::get() New Host Connection established 0xc2e971c0, tid 2370
W/: Process pipe failed
D/: HostConnection::get() New Host Connection established 0xc2e97700, tid 2389
I/OpenGLRenderer: Initialized EGL, version 1.4
D/OpenGLRenderer: Swap behavior 1
E/EGL_adreno: CreateContext rcMajorVersion:3, minorVersion:1
D/EGL_adreno: eglCreateContext: 0xc7005120: maj 3 min 1 rcv 3
E/EGL_adreno: tid 2389: eglSurfaceAttrib(1582): error 0x3009 (EGL_BAD_MATCH)
W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xa9017e60, error=EGL_BAD_MATCH
W/IInputConnectionWrapper: finishComposingText on inactive InputConnection
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
   Process: com.sevenlearn.androidcomponenttutorial, PID: 2370
   java.lang.NullPointerException: Attempt to invoke virtual method 'android.text.Editable android.widget.EditText.getText()' on a null object reference
       at com.sevenlearn.androidcomponenttutorial.WizardFragmentStep1$1.onClick(WizardFragmentStep1.java:34)
       at android.view.View.performClick(View.java:5637)
       at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:992)
       at android.view.View$PerformClick.run(View.java:22429)
       at android.os.Handler.handleCallback(Handler.java:751)
       at android.os.Handler.dispatchMessage(Handler.java:95)
       at android.os.Looper.loop(Looper.java:154)
       at android.app.ActivityThread.main(ActivityThread.java:6121)
       at java.lang.reflect.Method.invoke(Native Method)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)

سلام،

خطا مربوط به لاین 34 فایل WizardFragmentStep1.java است.

getText رو روی یک آبحکت null گرفته اید. این لاین را بررسی کنید که درست مقدار دهی شده باشد.

محسن موحد ۰۵ دی ۱۴۰۲، ۲۰:۴۷

mainViewModel.setLastName(lastNameEt.getText().toString());

کدم اینه 

ادیت تکس هم پر میکنم بعد کلیک میکنم

 

بهترین پاسخ
سعید امیراحمدی ۰۷ دی ۱۴۰۲، ۱۴:۴۶