MRC and Arc Mixed

iOS5.0 can then use ARC instead of the previous MRC. But in some of the new handwritten arc projects, using the MRC class of other people before, there will be an error. Some of the same Love MRC programmers use other people's Arc class, will also error! method is relatively simple, only need to do one of the following steps to solve:

In the ARC project, you want to use the MRC class, under the targets build phases option, under compile sources, select the. m file to use the class, double-click it, enter it. -fno-objc-arc

In the MRC project, you want to use the Arc class. Here's how:

Under Targets's build phases option, under compile sources, select the file you want to compile with arc, double-click it, enter-FOBJC-ARC

Does it feel simple?

MRC and Arc Mixed