Unable to start activity ComponentInfo 解决方法
2016-08-05 22:10
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Android Studio 程序停止运行,错误信息如下:
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.lenovo.tabactivity/com.example.lenovo.tabactivity.MainActivity}: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.lenovo.tabactivity/com.example.lenovo.tabactivity.Activity_01};
have you declared this activity in your AndroidManifest.xml?
字面意思上就是没有启动Activity,在网上查阅资料也有人遇到过这个问题,大多数是XML文件有问题(仔细检查一下)。我这个问题是没有在AndroidManifest.xml文件中进行注册。。因为我是直接粘贴复制另一个demo里的Java文件的,囧~
所以只要在AndroidManifest.xml中对Activity进行注册就可以了:
重新Make Project,运行成功。
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.lenovo.tabactivity/com.example.lenovo.tabactivity.MainActivity}: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.lenovo.tabactivity/com.example.lenovo.tabactivity.Activity_01};
have you declared this activity in your AndroidManifest.xml?
字面意思上就是没有启动Activity,在网上查阅资料也有人遇到过这个问题,大多数是XML文件有问题(仔细检查一下)。我这个问题是没有在AndroidManifest.xml文件中进行注册。。因为我是直接粘贴复制另一个demo里的Java文件的,囧~
所以只要在AndroidManifest.xml中对Activity进行注册就可以了:
<activity android:name=".Activity_01"></activity> <activity android:name=".Activity_02"></activity> <activity android:name=".Activity_03"></activity> <activity android:name=".Activity_04"></activity>
重新Make Project,运行成功。
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