Custom Navigationcontroller return gestures _oc

1. Define enumerated types that return gestures typedef ns_enum (Nsuinteger, Interactivepopgesturerecognizertype) { Interactivepopgesturerecognizernone,///No return gesture Interactivepopgesturerecognizeredge,//edge return gesture Interactivepopgesturerecognizerfullscreen//Full screen return gesture}; 2. Set return gesture type @property (nonatomic, assign) Interactivepopgesturerecognizertype Interactivepopgesturerecognizertype; 3. Rewrite the method to return gestures #pragma mark-judgment slide return gesture mode-(void) Setinteractivepopgesturerecognizertype: ( Interactivepopgesturerecognizertype) interactivepopgesturerecognizertype{Switch ( Interactivepopgesturerecognizertype) {Case 0:break, Case 1: {//Add edge return gesture Uiscreenedgepangesturerecognizer * Edgepangesturerecognizer = [[Uiscreenedgepangesturerecognizer alloc] initwithtarget:self action: @selector ( Pangesturerecognizer:)]; Edgepangesturerecognizer.edges = Uirectedgeleft; [Self.view Addgesturerecognizer:edgepangesturerecognizer]; } break; Case 2: {//Add full screen return gesture uipangesturerecognizer *pangesturerecognizer = [[Uipangesturerecognizer alloc] Initwithtarget:self Action: @selector (Pangesturerecognizer:)]; [Self.interactivePopGestureRecognizer.view Addgesturerecognizer:pangesturerecognizer]; } break; Default:break; } }