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トップに関する質問[Android Kotlin] MainActivityでClassNotFoundが発生してしまう

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質問編集履歴

2

Manifest関連追記

2019/01/14 08:47

投稿

退会済みユーザー
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@@ -22,29 +22,19 @@
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  java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.audoc314159.androidaurum/com.audoc314159.androidaurum.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.audoc314159.androidaurum.MainActivity" on path: DexPathList[[zip file "/data/app/com.audoc314159.androidaurum-2/base.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_dependencies_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_0_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_1_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_2_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_3_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_4_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_5_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_6_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_7_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_8_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]
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- at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2236)
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-
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- at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
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-
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- at android.app.ActivityThread.access$800(ActivityThread.java:151)
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-
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- at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
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-
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- at android.os.Handler.dispatchMessage(Handler.java:102)
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-
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- at android.os.Looper.loop(Looper.java:135)
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-
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- at android.app.ActivityThread.main(ActivityThread.java:5254)
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-
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- at java.lang.reflect.Method.invoke(Native Method)
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-
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- at java.lang.reflect.Method.invoke(Method.java:372)
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-
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- at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
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-
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- at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
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-
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- Caused by: java.lang.ClassNotFoundException: Didn't find class "com.audoc314159.androidaurum.MainActivity" on path: DexPathList[[zip file "/data/app/com.audoc314159.androidaurum-2/base.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_dependencies_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_0_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_1_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_2_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_3_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_4_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_5_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_6_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_7_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_8_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]
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+ .
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+ .
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+ .
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+ Caused by: java.lang.ClassNotFoundException: Didn't find class "com.audoc314159.androidaurum.MainActivity" on path: DexPathList[[zip file "/data/app/com.audoc314159.androidaurum-2/base.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_dependencies_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_0_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_1_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_2_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_3_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_4_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_5_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_6_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_7_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_8_apk.apk", zip file "/data/app/com.audoc314159.androidaurum-2/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]
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  at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
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@@ -98,11 +88,29 @@
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- 作成したクラス内でエラーが発生しているわけではなく、
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- かつコンパイルとビルド自体は成功するため文法等の問題ではないような気がしているのですが、原因が全くつかめていません。
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- 以下MainActivity.ktとactivity_main.xmlです。
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+ ~~作成したクラス内でエラーが発生しているわけではなく、
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+ かつコンパイルとビルド自体は成功するため文法等の問題ではないような気がしているのですが、原因が全くつかめていません。~~
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+ よく見るとMainActivityクラスのクラス名に黄色いハイライトがかかっているのに気づきました。
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+ Warningの内容は
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+ The <activity> MainActivity is not registered in the manifest
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+ Activities, services and content providers should be registered in the AndroidManifest.xml file using <activity>, <service> and <provider> tags. If your activity is simply a parent class intended to be subclassed by other "real" activities, make it an abstract class. Issue id: Registered
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+ と出ていたのでマニフェスト関連のエラーかもしれません。
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+ 以下AndroidManifestとMainActivity.ktとactivity_main.xmlです。
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@@ -114,6 +122,52 @@
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+ ```Manifest
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+ <?xml version="1.0" encoding="utf-8"?>
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+ <manifest xmlns:android="http://schemas.android.com/apk/res/android"
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+ package="com.audoc314159.androidaurum">
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+ <application
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+ android:allowBackup="true"
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+ android:icon="@mipmap/ic_launcher"
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+ android:label="@string/app_name"
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+ android:roundIcon="@mipmap/ic_launcher_round"
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+ android:supportsRtl="true"
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+ android:theme="@style/AppTheme">
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+ <activity android:name="MainActivity">
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+ <intent-filter>
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+ <action android:name="android.intent.action.MAIN"/>
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+ <category android:name="android.intent.category.LAUNCHER"/>
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+ </intent-filter>
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+ </activity>
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+ </application>
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+ </manifest>
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+ ```
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  ```Kotlin
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  import android.support.v7.app.AppCompatActivity

1

タイトルを微修正

2019/01/14 08:47

投稿

退会済みユーザー
test CHANGED
@@ -1 +1 @@
1
- MainActivityでClassNotFoundが発生してしまう
1
+ [Android Kotlin] MainActivityでClassNotFoundが発生してしまう
test CHANGED
File without changes