If you wanted your iPhone or iPad app to work with older versions of the OS, or if you wanted to make a universal app that ran on both iPhone and iPad, you need to ensure that the code never tries to call a method or instantiate an object that doesn’t exist on its OS.
For example, the iPhone…
(Source: marco)
cannonade liked this
ugra reblogged this from marco
ugra liked this
vinnycoyne liked this
bumpedheads liked this
tgaul liked this
dkoerner liked this
dagerydoo liked this
do-nothing reblogged this from marco
cars10 liked this
iphoting liked this
msg liked this
quanganhdo liked this
rmpenguino liked this
hypertexty liked this
torontojack liked this
timriley liked this
webbytes liked this
mytestbed reblogged this from marco
zonble liked this
frederickpolk liked this
punkassjim liked this
kxr liked this
fuzzboard liked this
redcloud liked this
carpeaqua liked this
kikon liked this
rickywwalker reblogged this from marco
kieranajp liked this
lucas liked this
raymondcrandall liked this
jeffrock liked this
hramos liked this
hramos reblogged this from marco
caseyliss liked this
lather liked this
digdog liked this
gean liked this
stimu liked this
defiscaliser liked this
yowadup liked this
jwock liked this
kevinnuut liked this
seraphipod liked this
vinnycoyne reblogged this from marco
bananacasts liked this
filmgirl liked this
analogkid liked this
mike3k liked this
dadaoist liked this
