{"id":1750,"date":"2018-09-27T07:46:48","date_gmt":"2018-09-26T23:46:48","guid":{"rendered":"http:\/\/www.ouvps.com\/?p=1750"},"modified":"2018-09-27T10:02:34","modified_gmt":"2018-09-27T02:02:34","slug":"%e5%af%b9uiview%e7%9a%84hittest-withevent-%e6%96%b9%e6%b3%95%e7%9a%84%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/eepu.top\/?p=1750","title":{"rendered":"[\u8f6c]\u5bf9UIView\u7684hitTest: withEvent: \u65b9\u6cd5\u7684\u7406\u89e3"},"content":{"rendered":"

\u8981\u7406\u89e3\u8fd9\u4e24\u4e2a\u65b9\u6cd5\u3002\u5148\u4e86\u89e3\u4e00\u4e0b\u7528\u6237\u89e6\u6478\u5c4f\u5e55\u540e\u7684\u4e8b\u4ef6\u4f20\u9012\u8fc7\u7a0b\u3002
\n\u5f53\u7528\u6237\u70b9\u51fb\u5c4f\u5e55\u540e\uff0cUIApplication \u5148\u54cd\u5e94\u4e8b\u4ef6\uff0c\u7136\u540e\u4f20\u9012\u7ed9UIWindow\u3002\u5982\u679cwindow\u53ef\u4ee5\u54cd\u5e94\u3002\u5c31\u5f00\u59cb\u904d\u5386window\u7684subviews\u3002\u904d\u5386\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u7b2c\u4e00\u4e2a\u904d\u5386\u7684view1\u53ef\u4ee5\u54cd\u5e94\uff0c\u90a3\u5c31\u904d\u5386\u8fd9\u4e2aview1\u7684subviews\uff08\u4f9d\u6b21\u8fd9\u6837\u4e0d\u505c\u5730\u67e5\u627e\uff0c\u76f4\u81f3\u67e5\u627e\u5230\u5408\u9002\u7684\u54cd\u5e94\u4e8b\u4ef6view\uff09\u3002\u5982\u679cview1\u4e0d\u53ef\u4ee5\u54cd\u5e94\uff0c\u90a3\u5c31\u5f00\u59cb\u5bf9view2\u8fdb\u884c\u5224\u65ad\u548c\u5b50\u89c6\u56fe\u7684\u904d\u5386\u3002\u4f9d\u6b21\u7c7b\u63a8view3\uff0cview4\u2026\u2026 \u00a0\u5982\u679c\u6700\u540e\u6ca1\u6709\u627e\u5230\u5408\u9002\u7684\u54cd\u5e94view\uff0c\u8fd9\u4e2a\u6d88\u606f\u5c31\u4f1a\u88ab\u629b\u5f03\u3002\uff08\u6574\u4e2a\u904d\u5386\u7684\u8fc7\u7a0b\u5c31\u662f\u6811\u7684\u5148\u5e8f\u904d\u5386\uff09\u3002\u8fc7\u7a0b\u5982\u4e0b\u56fe\uff1a<\/p>\n

\"\"<\/a>
\n\u7406\u89e3\u4e86\u4e0a\u9762\u7684\u56fe\u540e\uff0c\u6211\u4eec\u518d\u6765\u770b\u770b\u8fd9\u4e24\u4e2a\u65b9\u6cd5\u3002
\n\u4e3a\u4e86\u65b9\u4fbf\uff0c\u6211\u4eec\u5c06
\n– (nullableUIView\u00a0*)hitTest:(CGPoint)point
\nwithEvent:(nullableUIEvent\u00a0*)event\uff1b\u79f0\u4e3a\u65b9\u6cd5A
\n– (BOOL)pointInside:(CGPoint)point
\nwithEvent:(nullableUIEvent\u00a0*)event\uff1b\u79f0\u4e3a\u65b9\u6cd5B
\n\u5bf9view\u8fdb\u884c\u91cd\u5199\u8fd9\u4e24\u4e2a\u65b9\u6cd5\u540e\uff0c\u5c31\u4f1a\u53d1\u73b0\uff0c\u70b9\u51fb\u5c4f\u5e55\u540e\uff0c\u9996\u5148\u54cd\u5e94\u7684\u662f\u65b9\u6cd5A\uff1b
\n\u5982\u679c\u65b9\u6cd5A\u4e2d\uff0c\u6211\u4eec\u6ca1\u6709\u8c03\u7528\u7236\u7c7b\u7684\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u90a3\u5c31\u6839\u636e\u8fd9\u4e2a\u65b9\u6cd5A\u7684\u8fd4\u56deview\uff0c\u4f5c\u4e3a\u54cd\u5e94\u4e8b\u4ef6\u7684view\u3002\uff08\u5f53\u7136\u8fd4\u56denil\uff0c\u5c31\u662f\u8fd9\u4e2aview\u4e0d\u54cd\u5e94\uff09<\/p>\n

\u5982\u679c\u65b9\u6cd5A\u4e2d\uff0c\u6211\u4eec\u8c03\u7528\u4e86\u7236\u7c7b\u7684\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u4e5f\u5c31\u662f
\n[super
\nhitTest:point withEvent:event];\u90a3\u8fd9\u4e2a\u65f6\u5019\u7cfb\u7edf\u5c31\u8981\u8c03\u7528\u65b9\u6cd5B\uff1b\u901a\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\uff0c\u6765\u5224\u65ad\u5f53\u524d\u8fd9\u4e2aview\u80fd\u4e0d\u80fd\u54cd\u5e94\u6d88\u606f\u3002
\n\u5982\u679c\u65b9\u6cd5B\u8fd4\u56de\u7684\u662fno\uff0c\u90a3\u5c31\u4e0d\u7528\u518d\u53bb\u904d\u5386\u5b83\u7684\u5b50\u89c6\u56fe\u3002\u65b9\u6cd5A\u8fd4\u56de\u7684view\u5c31\u662f\u53ef\u4ee5\u54cd\u5e94\u4e8b\u4ef6\u7684view\u3002
\n\u5982\u679c\u65b9\u6cd5B\u8fd4\u56de\u7684\u662fYES\uff0c\u90a3\u5c31\u53bb\u904d\u5386\u5b83\u7684\u5b50\u89c6\u56fe\u3002\uff08\u5c31\u662f\u4e0a\u56fe\u6211\u4eec\u63cf\u8ff0\u7684\u90a3\u6837\uff0c\u627e\u5230\u5408\u9002\u7684view\u8fd4\u56de\uff0c\u5982\u679c\u627e\u4e0d\u5230\uff0c\u90a3\u5c31\u7531\u65b9\u6cd5A\u8fd4\u56de\u7684view\u53bb\u54cd\u5e94\u8fd9\u4e2a\u4e8b\u4ef6\u3002\uff09<\/p>\n

\u56e0\u6b64\u603b\u7ed3\u4e0b\u6765\uff1a
\n\/\/\u8fd4\u56de\u4e00\u4e2aview\u6765\u54cd\u5e94\u4e8b\u4ef6 \uff08\u6211\u4eec\u5982\u679c\u4e0d\u60f3\u5f71\u54cd\u7cfb\u7edf\u7684\u4e8b\u4ef6\u4f20\u9012\u94fe\uff0c\u5728\u8fd9\u4e2a\u65b9\u6cd5\u5185\uff0c\u6700\u597d\u8c03\u7528\u7236\u7c7b\u7684\u8fd9\u4e2a\u65b9\u6cd5\uff09
\n– (nullableUIView *)hitTest:(CGPoint)point withEvent:(nullableUIEvent
\n*)event\uff1b
\n\/\/\u8fd4\u56de\u7684\u503c\u53ef\u4ee5\u7528\u6765\u5224\u65ad\u662f\u5426\u7ee7\u7eed\u904d\u5386\u5b50\u89c6\u56fe\uff08\u8fd4\u56de\u7684\u6839\u636e\u662f\u89e6\u6478\u7684point\u662f\u5426\u5728view\u7684frame\u8303\u56f4\u5185\uff09<\/p>\n

– (BOOL)pointInside:(CGPoint)point withEvent:(nullableUIEvent
\n*)event\uff1b<\/p>\n

———————<\/p>\n

\u672c\u6587\u6765\u81ea mushaofeng1990 \u7684CSDN \u535a\u5ba2 \uff0c\u5168\u6587\u5730\u5740\u8bf7\u70b9\u51fb\uff1ahttps:\/\/blog.csdn.net\/mushaofeng1990\/article\/details\/62434349?utm_source=copy<\/p>\n","protected":false},"excerpt":{"rendered":"

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