iOS ViewController: Move external methods to a protocol

ios/ViewController.h

@@ -9,17 +9,22 @@
 #import "CameraHelper.h"
 #import "LocationHelper.h"
 
-@interface ViewController : GLKViewController <iCadeEventDelegate,
-            LocationHandlerDelegate, CameraFrameDelegate, UIGestureRecognizerDelegate, UIKeyInput>
-
-- (void)shareText:(NSString *)text;
-- (void)shutdown;
+@protocol PPSSPPViewController<NSObject>
+@optional
 - (void)hideKeyboard;
 - (void)showKeyboard;
-
+- (void)shareText:(NSString *)text;
+- (void)shutdown;
+- (void)bindDefaultFBO;
 @end
 
-extern __unsafe_unretained ViewController* sharedViewController;
+@interface ViewController : GLKViewController <
+    iCadeEventDelegate, LocationHandlerDelegate, CameraFrameDelegate,
+    UIGestureRecognizerDelegate, UIKeyInput, PPSSPPViewController>
+@end
+
+extern id <PPSSPPViewController> sharedViewController;
+
 void setCameraSize(int width, int height);
 void startVideo();
 void stopVideo();

ios/ViewController.mm

@@ -98,7 +98,7 @@ static bool threadEnabled = true;
 static bool threadStopped = false;
 static UITouch *g_touches[10];
 
-__unsafe_unretained ViewController* sharedViewController;
+id<PPSSPPViewController> sharedViewController;
 static GraphicsContext *graphicsContext;
 static CameraHelper *cameraHelper;
 static LocationHelper *locationHelper;
@@ -181,7 +181,6 @@ extern float g_safeInsetBottom;
 
 - (void)viewDidAppear:(BOOL)animated {
 	[super viewDidAppear:animated];
-	[self hideKeyboard];
 }
 
 - (void)viewDidLoad {
@@ -240,6 +239,8 @@ extern float g_safeInsetBottom;
 	locationHelper = [[LocationHelper alloc] init];
 	[locationHelper setDelegate:self];
 
+	[self hideKeyboard];
+
 	dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
 		NativeInitGraphics(graphicsContext);