not assignable to 'android.app.activity' extends application

本小妞迷上赌 提交于 2019-12-01 08:22:11
MainActivity extends Application

Of course an Application is not assignable to an Activity.

Either change this to MainActivity extends Activity, or move the android:name=".MainActivity" reference in the manifest to the application tag (and remove that activity). In the latter case also consider renaming the class from MainActivity to e.g. MyApplication.

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