Fix Xcode warnings and demo bugs

Demo/YYTextDemo.xcodeproj/project.pbxproj

@@ -477,7 +477,7 @@
 		D94EE9831F37304200F37AD6 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0900;
+				LastUpgradeCheck = 0910;
 				ORGANIZATIONNAME = ibireme;
 				TargetAttributes = {
 					D94EE98A1F37304200F37AD6 = {
@@ -627,6 +627,8 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
@@ -680,6 +682,8 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;

Demo/YYTextDemo/UIView+YYAdd.h

@@ -51,7 +51,7 @@
 @end
 
 
-double YYDeviceSystemVersion();
+double YYDeviceSystemVersion(void);
 
 #ifndef kSystemVersion
 #define kSystemVersion YYDeviceSystemVersion()
@@ -73,7 +73,7 @@ double YYDeviceSystemVersion();
 #define kiOS9Later (kSystemVersion >= 9)
 #endif
 
-CGSize YYDeviceScreenSize();
+CGSize YYDeviceScreenSize(void);
 
 
 /// 屏幕宽度

Demo/YYTextDemo/YYImage/YYAnimatedImageView.m

@@ -578,7 +578,7 @@ - (void)setCurrentAnimatedImageIndex:(NSUInteger)currentAnimatedImageIndex {
     if (currentAnimatedImageIndex >= _curAnimatedImage.animatedImageFrameCount) return;
     if (_curIndex == currentAnimatedImageIndex) return;
 
-    void (^block)() = ^{
+    void (^block)(void) = ^{
         LOCK(
              [_requestQueue cancelAllOperations];
              [_buffer removeAllObjects];

Demo/YYTextDemo/YYImage/YYImageCoder.h

@@ -264,7 +264,7 @@ typedef NS_ENUM(NSUInteger, YYImageBlendOperation) {
 
 /**
  Add an image from a file path to encoder.
- @param image    Image file path.
+ @param path    Image file path.
  @param duration Image duration for animation. Pass 0 to ignore this parameter.
  */
 - (void)addImageWithFile:(NSString *)path duration:(NSTimeInterval)duration;
@@ -368,10 +368,10 @@ CG_EXTERN NSString *_Nullable YYImageTypeGetExtension(YYImageType type);
 
 
 /// Returns the shared DeviceRGB color space.
-CG_EXTERN CGColorSpaceRef YYCGColorSpaceGetDeviceRGB();
+CG_EXTERN CGColorSpaceRef YYCGColorSpaceGetDeviceRGB(void);
 
 /// Returns the shared DeviceGray color space.
-CG_EXTERN CGColorSpaceRef YYCGColorSpaceGetDeviceGray();
+CG_EXTERN CGColorSpaceRef YYCGColorSpaceGetDeviceGray(void);
 
 /// Returns whether a color space is DeviceRGB.
 CG_EXTERN BOOL YYCGColorSpaceIsDeviceRGB(CGColorSpaceRef space);
@@ -446,7 +446,7 @@ CG_EXTERN CFDataRef _Nullable YYCGImageCreateEncodedData(CGImageRef imageRef, YY
 /**
  Whether WebP is available in YYImage.
  */
-CG_EXTERN BOOL YYImageWebPAvailable();
+CG_EXTERN BOOL YYImageWebPAvailable(void);
 
 /**
  Get a webp image frame count;

Demo/YYTextDemo/YYTextAsyncExample.m

@@ -120,11 +120,16 @@ - (void)viewDidLoad {
 
 
     UIView *toolbar;
+    UIVisualEffectView *toolbarEffectView;
     if ([UIVisualEffectView class]) {
-        toolbar = [[UIVisualEffectView alloc] initWithEffect:[UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight]];
+        toolbarEffectView = [[UIVisualEffectView alloc] initWithEffect:[UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight]];
+        toolbar = [UIView new];
+        [toolbarEffectView.contentView addSubview:toolbar];
     } else {
         toolbar = [UIToolbar new];
     }
+
+
     toolbar.size = CGSizeMake(kScreenWidth, 40);
     toolbar.top = kiOS7Later ? 64 : 0;
     [self.view addSubview:toolbar];

Demo/YYTextDemo/YYTextEditExample.m

@@ -39,8 +39,11 @@ - (void)viewDidLoad {
     __weak typeof(self) _self = self;
 
     UIView *toolbar;
+    UIVisualEffectView *toolbarEffectView;
     if ([UIVisualEffectView class]) {
-        toolbar = [[UIVisualEffectView alloc] initWithEffect:[UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight]];
+        toolbarEffectView = [[UIVisualEffectView alloc] initWithEffect:[UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight]];
+        toolbar = [UIView new];
+        [toolbarEffectView.contentView addSubview:toolbar];
     } else {
         toolbar = [UIToolbar new];
     }

YYText/Utility/YYTextAsyncLayer.m

@@ -130,7 +130,7 @@ - (void)_displayAsync:(BOOL)async {
         if (task.willDisplay) task.willDisplay(self);
         _YYTextSentinel *sentinel = _sentinel;
         int32_t value = sentinel.value;
-        BOOL (^isCancelled)() = ^BOOL() {
+        BOOL (^isCancelled)(void) = ^BOOL() {
             return value != sentinel.value;
         };
         CGSize size = self.bounds.size;

YYText/Utility/YYTextUtilities.h

@@ -233,13 +233,13 @@ static inline CGRect YYTextEmojiGetGlyphBoundingRectWithFontSize(CGFloat fontSiz
  Get the character set which should rotate in vertical form.
  @return The shared character set.
  */
-NSCharacterSet *YYTextVerticalFormRotateCharacterSet();
+NSCharacterSet *YYTextVerticalFormRotateCharacterSet(void);
 
 /**
  Get the character set which should rotate and move in vertical form.
  @return The shared character set.
  */
-NSCharacterSet *YYTextVerticalFormRotateAndMoveCharacterSet();
+NSCharacterSet *YYTextVerticalFormRotateAndMoveCharacterSet(void);
 
 
 
@@ -364,10 +364,10 @@ static inline CGFloat YYTextCGPointGetDistanceToRect(CGPoint p, CGRect r) {
 
 
 /// Get main screen's scale.
-CGFloat YYTextScreenScale();
+CGFloat YYTextScreenScale(void);
 
 /// Get main screen's size. Height is always larger than width.
-CGSize YYTextScreenSize();
+CGSize YYTextScreenSize(void);
 
 /// Convert point to pixel.
 static inline CGFloat YYTextCGFloatToPixel(CGFloat value) {
@@ -555,9 +555,9 @@ static inline CFRange YYTextCFRangeFromNSRange(NSRange range) {
 
 
 /// Returns YES in App Extension.
-BOOL YYTextIsAppExtension();
+BOOL YYTextIsAppExtension(void);
 
 /// Returns nil in App Extension.
-UIApplication * _Nullable YYTextSharedApplication();
+UIApplication * _Nullable YYTextSharedApplication(void);
 
 NS_ASSUME_NONNULL_END