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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 GitHub by icodeu
, 1 year ago
Unable to find explicit activity class {net.wequick.example.small/net.wequick.example.small.app.detail.MainActivity}; have you declared this activity in your AndroidManifest.xml?
via Stack Overflow by kamalbhai
, 2 years ago
Unable to find explicit activity class {com.example.myfirstapp/com.example.myfirstapp.DisplayMessageActivity}; have you declared this activity in your AndroidManifest.xml?
via Stack Overflow by daveD
, 2 years ago
Unable to find explicit activity class {com.android.browser/com.android.browser.BrowserActivity}; have you declared this activity in your AndroidManifest.xml?
via Stack Overflow by C.S Oren
, 2 years ago
Unable to find explicit activity class {com.joshclemm.android.tabswithactivity/com.joshclemm.android.tabswithactivity.chapters}; have you declared this activity in your AndroidManifest.xml?
via Stack Overflow by balloon to fly
, 2 years ago
No Activity found to handle Intent { act=com.example.hajjapp.AfterHajj }
via Stack Overflow by Andrew
, 2 years ago
No Activity found to handle Intent { act=android.intent.action.VIEW dat=www.google.com (has extras) }
android.content.ActivityNotFoundException: Unable to find explicit activity class {net.wequick.example.small/net.wequick.example.small.app.detail.MainActivity}; have you declared this activity in your AndroidManifest.xml?	at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1766)	at android.app.Instrumentation.execStartActivity(Instrumentation.java:1491)