Rewrite CustomEdgeSwipeGestureRecognizer to fix unexpected session disconnect, and for future configuration

This commit is contained in:
True Zhuanjia
2024-05-14 23:05:58 +08:00
parent 6207d77349
commit 82de44df54
3 changed files with 40 additions and 38 deletions
@@ -13,5 +13,8 @@
@interface CustomEdgeSwipeGestureRecognizer : UIGestureRecognizer
@property (nonatomic, assign) UIRectEdge edges; // Specify the edge(s) you want to recognize the swipe gesture on
@property (nonatomic, assign) CGFloat normalizedThresholdDistance; // Distance from the edge to start recognizing the gesture
@end
#endif /* CustomEdgeSwipeGestureRecognizer_h */
@@ -11,53 +11,52 @@
#import "CustomEdgeSwipeGestureRecognizer.h"
#import <UIKit/UIGestureRecognizerSubclass.h>
@implementation CustomEdgeSwipeGestureRecognizer {
CGPoint _startPoint;
CGFloat _nomarlizedswipeThreshold;
@implementation CustomEdgeSwipeGestureRecognizer
UITouch* capturedUITouch;
CGFloat _startPointX;
static CGFloat screenWidthInPoints;
static CGFloat EDGE_TOLERANCE_POINTS = 50.0f;
- (instancetype)initWithTarget:(nullable id)target action:(nullable SEL)action {
self = [super initWithTarget:target action:action];
screenWidthInPoints = CGRectGetWidth([[UIScreen mainScreen] bounds]); // Get the screen's bounds (in points)
return self;
}
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
[super touchesBegan:touches withEvent:event];
UITouch *touch = [touches anyObject];
_startPoint = [touch locationInView:self.view];
// Log(LOG_I, @"start point x: %f", _startPoint.x);
capturedUITouch = touch;
_startPointX = [capturedUITouch locationInView:self.view].x;
}
- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
CGRect screenBounds = [[UIScreen mainScreen] bounds];// Get the screen's bounds (in points)
CGFloat screenWidthInPoints = CGRectGetWidth(screenBounds);
// CGFloat screenHeightInPoints = CGRectGetHeight(screenBounds);
// Log the screen resolution
// NSLog(@"Screen resolution: %.0f x %.0f points", screenWidthInPoints, screenHeightInPoints);
[super touchesEnded:touches withEvent:event];
[super touchesMoved:touches withEvent:event];
UITouch *touch = [touches anyObject];
CGPoint gestureEndPoint = [touch locationInView:self.view];
CGFloat nomarlizedGestureEndPointX = gestureEndPoint.x/screenWidthInPoints;
CGFloat nomarlizedStartPointX = _startPoint.x/screenWidthInPoints;
// CGFloat nomarlizedgestureEndPointYDelta = (gestureEndPoint.y-_startPoint.y)/screenHeightInPoints;
// Log(LOG_I, @"current point x: %f", nomarlizedgestureEndPointXDelta);
// NSLog(@"in CUSTOM swipe REC");
// NSLog(@"startpointX %f", _startPoint.x);
// NSLog(@"NorXDelta %f", nomarlizedGestureEndPointX);
_nomarlizedswipeThreshold = 0.5; // You need swipe half of screen width from left edge to trigger this Recognizer
if (nomarlizedStartPointX <= 0.025 && nomarlizedGestureEndPointX > _nomarlizedswipeThreshold) {
// Detected a swipe from the left edge that exceeds _nomarlizedswipeThreshold
if (self.state == UIGestureRecognizerStatePossible) {
self.state = UIGestureRecognizerStateBegan;
if([touches containsObject:capturedUITouch]){
CGFloat _endPointX = [capturedUITouch locationInView:self.view].x;
CGFloat normalizedGestureDistance = fabs(_endPointX - _startPointX)/screenWidthInPoints;
if(self.edges & UIRectEdgeLeft){
if(_startPointX < EDGE_TOLERANCE_POINTS && normalizedGestureDistance > _normalizedThresholdDistance){
self.state = UIGestureRecognizerStateBegan;
self.state = UIGestureRecognizerStateEnded;
}
// NSLog(@"_startPointX %f , normalizedGestureDeltaX %f", _startPointX, normalizedGestureDistance);
}
if(self.edges & UIRectEdgeRight){
if((_startPointX > (screenWidthInPoints - EDGE_TOLERANCE_POINTS)) && normalizedGestureDistance > _normalizedThresholdDistance){
self.state = UIGestureRecognizerStateBegan;
self.state = UIGestureRecognizerStateEnded;
}
// NSLog(@"_startPointX %f , normalizedGestureDeltaX %f", _startPointX, normalizedGestureDistance);
}
} else {
self.state = UIGestureRecognizerStateFailed;
}
}
- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
[super touchesCancelled:touches withEvent:event];
self.state = UIGestureRecognizerStateFailed;
}
@end
@@ -133,8 +133,8 @@
#else
_exitSwipeRecognizer = [[CustomEdgeSwipeGestureRecognizer alloc] initWithTarget:self action:@selector(edgeSwiped)];
//_exitSwipeRecognizer.edges = UIRectEdgeLeft;
//_exitSwipeRecognizer.edges = UIRectEdgeLeft;
_exitSwipeRecognizer.edges = UIRectEdgeLeft;
_exitSwipeRecognizer.normalizedThresholdDistance = 0.5f;
_exitSwipeRecognizer.delaysTouchesBegan = NO;
_exitSwipeRecognizer.delaysTouchesEnded = NO;
[self.view addGestureRecognizer:_exitSwipeRecognizer];