Didn't find class "android.view.View$OnUnhandledKeyEventListener"

本文详细解析了由于Android设备版本与应用目标版本不一致导致的ClassNotFoundException问题,并提供了具体的解决方案,包括调整版本和修改Manifest文件。

Didn’t find class “android.view.View$OnUnhandledKeyEventListener”

Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/rxbfrxkt.com.rxbusfromrxkt-1/base.apk"],nativeLibraryDirectories=[/data/app/rxbfrxkt.com.rxbusfromrxkt-1/lib/arm64, /system/lib64, /vendor/lib64, /system/vendor/lib64, /product/lib64]]

上述错误信息,是由于安装机器的安卓版本与 gradle 中的版本不一致 ( 小于 ) 导致的,我的测试机版本为 Android 7 也就是 API 24 , 而安装 APKTarget 版本为 28 ,所以导致上述错误。

只需要将版本调回 24 即可。
注意:
1,如果 Manifest 文件中的 Application 标签含有 roundIcon ,需要将该属性删除,低版本没有该属性。
2,如果先直接更改了 TargetVersion 后直接 Sync Now 了,出现错误信息后,要注意删除开发环境下的 Manifest 文件中的信息,而不是 debug/Manifest

10/30 10:31:58: Launching 'app' on OnePlus GM1900. App restart successful without requiring a re-install. $ adb shell am start -n "com.example.myapplication/com.example.myapplication.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER Connected to process 3090 on device 'oneplus-gm1900-127.0.0.1:5555'. 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 D/libnativebridge: call UnloadNativeBridge! state=1 W/System: ClassLoader referenced unknown path: /data/app/com.example.myapplication-1/lib/x86_64 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; at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463) at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938) at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806) at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693) at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170) at void com.example.myapplication.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:19) at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6701) at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1118) at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2657) at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2765) at void android.app.ActivityThread.-wrap14(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1) at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1488) at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:102) at void android.os.Looper.loop() (Looper.java:154) at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6305) at java.lang.Object java.lang.reflect.Method.invoke!(java.lang.Object, java.lang.Object[]) (Method.java:-2) at void com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run() (ZygoteInit.java:892) at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:782) Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/com.example.myapplication-1/base.apk"],nativeLibraryDirectories=[/data/app/com.example.myapplication-1/lib/x86_64, /system/lib64, /vendor/lib64]] at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:56) at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:380) at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:312) at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463) at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938) at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806) at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693) at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170) at void com.example.myapplication.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:19) at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6701) at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1118) at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2657) at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2765) at void android.app.ActivityThread.-wrap14(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1) at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1488) at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:102) at void android.os.Looper.loop() (Looper.java:154) at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6305) at java.lang.Object java.lang.reflect.Method.invoke!(java.lang.Object, java.lang.Object[]) (Method.java:-2) at void com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run() (ZygoteInit.java:892) at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:782) D/AndroidRuntime: Shutting down VM E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.myapplication, PID: 3090 java.lang.RuntimeException: Unable to resume activity {com.example.myapplication/com.example.myapplication.MainActivity}: java.lang.IllegalArgumentException: column '_id' does not exist at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3468) at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3508) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2771) at android.app.ActivityThread.-wrap14(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1488) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6305) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:892) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:782) Caused by: java.lang.IllegalArgumentException: column '_id' does not exist at android.database.AbstractCursor.getColumnIndexOrThrow(AbstractCursor.java:333) at android.widget.CursorAdapter.swapCursor(CursorAdapter.java:378) at android.widget.SimpleCursorAdapter.swapCursor(SimpleCursorAdapter.java:346) at android.widget.CursorAdapter.changeCursor(CursorAdapter.java:349) at com.example.myapplication.MainActivity.refreshListView(MainActivity.java:61) at com.example.myapplication.MainActivity.onResume(MainActivity.java:56) at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1269) at android.app.Activity.performResume_orig(Activity.java:6822) at android.app.Activity.performResume(Activity.java:6803) at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3445) at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3508)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2771)  at android.app.ActivityThread.-wrap14(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1488)  at android.os.Handler.dispatchMessage(Handler.java:102)  at android.os.Looper.loop(Looper.java:154)  at android.app.ActivityThread.main(ActivityThread.java:6305)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:892)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:782)  为什么会出错
最新发布
10-31
这个错误日志显示你的应用在运行时遇到了两个主要问题: ## 主要错误分析 ### 1. `NoClassDefFoundError` (AndroidX兼容性问题) ``` 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; ``` **原因**:这是因为你使用的AndroidX库版本与你的目标API级别不兼容。`OnUnhandledKeyEventListener`是Android P(API 28)引入的,但你的应用可能在较低版本的设备上运行。 ### 2. `IllegalArgumentException` (数据库列不存在) ``` Caused by: java.lang.IllegalArgumentException: column '_id' does not exist at com.example.myapplication.MainActivity.refreshListView(MainActivity.java:61) ``` **原因**:你的代码尝试查询一个名为`_id`的列,但你的数据库表中没有这个列。 ## 解决方案 ### 对于AndroidX兼容性问题 1. **更新Gradle依赖**: 在`app/build.gradle`中确保使用最新稳定的AndroidX库版本: ```gradle implementation 'androidx.appcompat:appcompat:1.6.1' implementation 'androidx.core:core-ktx:1.10.1' ``` 2. **设置正确的编译SDK版本**: ```gradle android { compileSdkVersion 33 defaultConfig { minSdkVersion 21 targetSdkVersion 33 } } ``` ### 对于数据库列不存在问题 1. **确保数据库表有`_id`列**: 修改你的`ContactDbHelper`类,确保创建表时包含`_id`列: ```java @Override public void onCreate(SQLiteDatabase db) { String CREATE_CONTACTS_TABLE = "CREATE TABLE " + TABLE_CONTACTS + "(" + COLUMN_ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + COLUMN_NAME + " TEXT," + COLUMN_PHONE + " TEXT," + COLUMN_EMAIL + " TEXT" + ")"; db.execSQL(CREATE_CONTACTS_TABLE); } ``` 2. **或者修改查询代码**: 如果你不想使用`_id`,修改`MainActivity.java`中的查询代码: ```java // 改为使用你实际的列名 cursor.getColumnIndexOrThrow(ContactDbHelper.COLUMN_ID); ``` 3. **数据库版本管理**: 如果这是数据库升级问题,你需要实现`onUpgrade`方法: ```java @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { db.execSQL("DROP TABLE IF EXISTS " + TABLE_CONTACTS); onCreate(db); } ``` ## 完整修复步骤 1. 更新所有AndroidX依赖到最新版本 2. 确保数据库表结构包含查询的所有列 3. 清理并重建项目: - `Build` > `Clean Project` - `Build` > `Rebuild Project` 4. 卸载手机上旧版本的app,然后重新安装
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