Make sure it exists and is a launchable activity
[ADB] Error: Error occured while starting App.Original error: Activity used to start app doesn't exist or cannot be launched!Original error: Activity used to start
\android\app\src\main\AndroidManifest.xml:17:7-181: AAPT: error: unexpected element <activity> found较短的例外版本:
AAPT: error: unexpected element <activity> found in <manifest><application><activity>.<
/res/layout/activity_main.xml:1: error: resource dimen/activity_vertical_margin (aka com.example.myapplication:dimen/activity_vertical_margin) not found.) not found.) not found.) not found.
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