[Android] Unable to find explicit activity class {activity name}; have you declared this activity in your AndroidManifest.xml?
In Android, when you get the following error, you need to declare the Activity you’re using in AndroidManifest.xml.
Unable to find explicit activity class {activity name}; have you declared this activity in your AndroidManifest.xml?
■ AndroidManifest.xml
[Reference]
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That’s all from the Gemba.