Android Cannot get access to data folder

Initializing build sequence…
Deleted old build folder
Injected log broadcaster
Detected architecture armeabi-v7a

Packaging resources with AAPT…
Compiling with ECJ…
----------
1. ERROR in /data/user/0/com.calsignlabs.apde/app_build/src/processing/test/save_picture/Save_Picture.java (at line 25)
	File[] files = ContextCompat.getExternalFilesDirs(getContext().getApplicationContext(),null); 
	               ^^^^^^^^^^^^^
ContextCompat cannot be resolved
----------
2. ERROR in /data/user/0/com.calsignlabs.apde/app_build/src/processing/test/save_picture/Save_Picture.java (at line 25)
	File[] files = ContextCompat.getExternalFilesDirs(getContext().getApplicationContext(),null); 
	                                                  ^^^^^^^^^^
Cannot make a static reference to the non-static method getContext() from the type PApplet
----------
3. ERROR in /data/user/0/com.calsignlabs.apde/app_build/src/processing/test/save_picture/Save_Picture.java (at line 29)
	return getContext().getFilesDir().getAbsolutePath(); 
	       ^^^^^^^^^^
Cannot make a static reference to the non-static method getContext() from the type PApplet
----------
3 problems (3 errors)
Compiling with ECJ failed