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  1. ,
    via Stack Overflow by Rasel

    Your package name in the manifest is as com.google.android.gm and activity name as com.android.mail.compose.ComposeActivity, making a mismatch between the package and activity name. Your activity class name should start with the package name.

Solutions on the web

via Stack Overflow by IlhamiD
, 2 years ago
No Activity found to handle Intent { act=android.intent.action.MainActivity }
via GitHub by ByteHamster
, 2 months ago
Unable to find explicit activity class {com.kunzisoft.keepass.libre/com.keepassdroid.settings.SettingsAutofillActivity}; have you declared this activity in your AndroidManifest.xml?
via Stack Overflow by Avichal Rakesh
, 2 years ago
Unable to find explicit activity class {com.example.navdraw/com.example.navdraw.dev}; have you declared this activity in your AndroidManifest.xml?
via Stack Overflow by Haxhi Bekaj
, 2 years ago
Unable to find explicit activity class {com.haxhibekaj.skenderaj/com.haxhibekaj.skenderaj.MainActivity}; have you declared this activity in your AndroidManifest.xml?
Empty query.