Application Does Not Load Start Activity On Android 2.3.7

I have been developing app on Android SDK version 19 and running it on emulator/phone 4.4.2 without a problem. Then i set minSdkVersion to 8 (both in build.gradle and AndroidManife

Solution 1:

The problem can be that, you are using component in your activity layout not exists in the older version of APIs (2.3.6 in your case) like for example switch button so check the components in your activity layout.