[VP, TP] bug fix

fixed a bug in the call function
Merge remote-tracking branch 'origin/master' into Ventu

Conflicts:
	NokiaPhoneSimulator/src/com/example/screen/StartScreen.java
Merge branch 'Ventu' of https://github.com/venjirai/sw14_free_20 into Ventu

Conflicts:
	NokiaPhoneSimulator/gen/com/example/nokiaphonesimulator/R.java
	NokiaPhoneSimulator/res/layout/activity_nokia_phone.xml

	NokiaPhoneSimulator/src/com/example/nokiaphonesimulator/BatteryIndicator.java

	NokiaPhoneSimulator/src/com/example/nokiaphonesimulator/NokiaPhoneActivity.java
	NokiaPhoneSimulator/src/com/example/screen/MainMenu.java
	NokiaPhoneSimulator/src/com/example/screen/Screen.java
	NokiaPhoneSimulator/src/com/example/screen/StartScreen.java
Merge branch 'Ventu' of https://github.com/venjirai/sw14_free_20 into Ventu

Conflicts:
	NokiaPhoneSimulator/gen/com/example/nokiaphonesimulator/R.java
	NokiaPhoneSimulator/res/layout/activity_nokia_phone.xml

	NokiaPhoneSimulator/src/com/example/nokiaphonesimulator/NokiaPhoneActivity.java
	NokiaPhoneSimulator/src/com/example/screen/Screen.java