RelativeLayout's layout_above gives “No resource found” Error

Problem:

RelativeLayout's layout_above gives “No resource found” Error

Solutions:

android:layout_above="@id/my_button"

Replace to

android:layout_above="@+id/my_button"

Reason For (+) Plus Symbol:

The plus-symbol (+) means that this is a new resource name that must be created and added to our resources (in the R.java file). 

For More Info:
http://developer.android.com/guide/topics/ui/declaring-layout.html

Jar Mismatch Found no of versions of android-support-v4.jar in the dependency list/ Conflict in jar with multi-library project

Problem:

Jar Mismatch Found no of versions of android-support-v4.jar in the dependency list/
Conflict in jar with multi-library project

Solutions:

1. Looks like it found the library twice. You need to delete one.
2. Mismatch Android Versions for Projects and Its Library Projects
3. Please go to libs folder of your main project and copy / replace the android-support-v4.jar file to the libs folder of all attached to your project libraries projects. It should solve the library conflict issue.