{"id":165,"date":"2017-07-19T15:22:19","date_gmt":"2017-07-19T07:22:19","guid":{"rendered":"http:\/\/yaochenkun.site\/?p=165"},"modified":"2024-11-23T15:53:11","modified_gmt":"2024-11-23T07:53:11","slug":"paintersum_article","status":"publish","type":"post","link":"http:\/\/yaochenkun.site\/index.php\/2017\/07\/19\/paintersum_article\/","title":{"rendered":"Android \u7ed8\u56fe\u8f6f\u4ef6\u5f00\u53d11-\u6846\u67b6\u6982\u8ff0"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u5f15\u8a00<\/h3>\n\n\n\n<p>\u4e0d\u77e5\u9053\u60a8\u6709\u6ca1\u6709\u538c\u5026\u4e86\u505a\u4e00\u4e2a\u8bf8\u5982\u5b66\u751f\u7ba1\u7406\u3001\u4ed3\u5e93\u7ba1\u7406\u3001\u56fe\u4e66\u9986\u7ba1\u7406\u7684\u7cfb\u7edf\uff1f\u9664\u4e86\u589e\u5220\u6539\u67e5\u8fd8\u662f\u589e\u5220\u6539\u67e5\uff0c\u505a\u5b8c\u540e\u4f1a\u611f\u89c9\u6210\u5c31\u611f\u5f88\u5c11\uff0c\u56e0\u4e3a\u8fd9\u6837\u7684\u7cfb\u7edf\u5df2\u7ecf\u904d\u5730\u5f00\u82b1\u4e86\uff0c\u5f88\u96be\u7ed9\u4eba\u4ee5\u65b0\u9c9c\u611f\u548c\u51b2\u51fb\u529b\u3002<\/p>\n\n\n\n<p>\u4eca\u5929\u60f3\u8bb2\u8bb2\u81ea\u5df1\u7684\u4e00\u4e2a\u5c0f\u8f6f\u4ef6\uff0c\u4e00\u4e2a\u57fa\u4e8eAndroid\u5e73\u53f0\u5f00\u53d1\u7684\u7ed8\u56feAPP\u3002\u8fd9\u4e2aAPP\u52a0\u5165\u4e86\u5f88\u591a\u65b0\u9c9c\u548c\u521b\u65b0\u7684\u5143\u7d20\uff0c\u4e0d\u4ec5\u4ec5\u662f\u7ed8\u56fe\u8fd9\u4e48\u7b80\u5355\uff0c\u4f46\u51fa\u4e8e\u7bc7\u5e45\u4e0e\u91cd\u70b9\u8003\u8651\uff0c\u672c\u7ae0\u4ec5\u8bb2\u89e3\u5bf9\u4e8e\u7ed8\u56fe\u8f6f\u4ef6\u4f20\u7edf\u529f\u80fd\u7684\u5f00\u53d1\u601d\u8def\uff0c\u4e14\u5c3d\u91cf\u8131\u79bb\u67d0\u4e00\u5177\u4f53\u5e73\u53f0\u8bb2\u89e3\uff08\u672c\u6587\u4ee5Android\u5e73\u53f0\u4e3a\u4f8b\uff0c\u91c7\u7528java\u8bed\u8a00\u63cf\u8ff0\uff09\uff0c\u4e0d\u8fc7\u5ea6\u6df1\u5165\u5b9e\u73b0\u7ec6\u8282\uff0c\u800c\u4ec5\u7ed9\u51fa\u4e00\u4e2a\u53ef\u884c\u6027\u3001\u7ef4\u62a4\u6027\u548c\u6269\u5c55\u6027\u90fd\u8f83\u597d\u7684\u5f00\u53d1\u67b6\u6784\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed8\u56fe\u8f6f\u4ef6\u6709\u4ec0\u4e48<\/h3>\n\n\n\n<p>PS\u3001CDR\u3001Windows\u753b\u56fe\u2026\u2026\u76f8\u4fe1\u5927\u5bb6\u5bf9\u7ed8\u56fe\u8f6f\u4ef6\u5e76\u4e0d\u964c\u751f\uff0c\u4e09\u4e0b\u4e94\u9664\u4e8c\u5c31\u603b\u7ed3\u51fa\u4e86\u5b83\u7684\u57fa\u672c\u529f\u80fd\uff0c\u4e0b\u9762\u662f\u6211\u603b\u7ed3\u7684\uff1a<\/p>\n\n\n\n<p>\u753b\u56fe\u5f62\uff1a\u53ef\u4ee5\u753b\u76f4\u7ebf\u3001\u66f2\u7ebf\u3001\u6298\u7ebf\u3001\u968f\u7b14\u7ebf\u3001\u5706\u5f62\u3001\u692d\u5706\u3001\u77e9\u5f62\u3001\u591a\u8fb9\u5f62\u7b49<\/p>\n\n\n\n<p>\u7f16\u8f91\u56fe\u5f62\uff1a\u53ef\u4ee5\u9009\u4e2d\u3001\u5e73\u79fb\u3001\u7f29\u653e\u3001\u65cb\u8f6c\u3001\u62f7\u8d1d\u3001\u5220\u9664\u56fe\u5f62<\/p>\n\n\n\n<p>\u586b\u5145\u56fe\u5f62\uff1a\u53ef\u4ee5\u5bf9\u753b\u5e03\u4e0a\u4efb\u610f\u5c01\u95ed\u533a\u57df\u586b\u5145\u989c\u8272<\/p>\n\n\n\n<p>\u8c03\u6574\u989c\u8272\uff1a\u63d0\u4f9b\u4e00\u4e2a\u8c03\u8272\u677f\uff0c\u6539\u53d8\u753b\u7b14\u7684\u989c\u8272<\/p>\n\n\n\n<p>\u8c03\u6574\u753b\u7b14\uff1a\u63d0\u4f9b\u82e5\u5e72\u98ce\u683c\u8fe5\u5f02\u7684\u753b\u7b14<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f00\u53d1\u601d\u8def<\/h3>\n\n\n\n<p>\u8bf4\u5b9e\u8bdd\uff0c\u6700\u521d\u770b\u5230\u8fd9\u4e48\u591a\u529f\u80fd\uff0c\u6211\u4e5f\u662f\u4e00\u5934\u96fe\u6c34\uff0c\u65e0\u4ece\u4e0b\u624b\u3002\u4f46\u4ed4\u7ec6\u601d\u8003\uff0c\u901a\u8fc7\u5f52\u7eb3\u8fd9\u4e9b\u529f\u80fd\u7684\u7279\u6027\u4e0e\u5171\u6027\uff0c\u4f1a\u53d1\u73b0\u8fd95\u5927\u529f\u80fd\u5176\u5b9e\u5206\u4e3a\u4e24\u7c7b\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1 \u6709\u72b6\u6001\u529f\u80fd<\/h4>\n\n\n\n<p>\u8fd9\u4e9b\u529f\u80fd\u53ea\u6709\u5728\u88ab\u9009\u4e2d\u4e86\u540e\u624d\u80fd\u751f\u6548\uff0c\u4e14\u4ed6\u4eec\u4e4b\u95f4\u662f\u4e92\u65a5\u4f7f\u7528\u7684\u3002\u6bd4\u5982\u5f53\u9009\u4e2d\u4e86\u201c\u753b\u5706\u6309\u94ae\u201d\u540e\uff0c\u5728\u753b\u5e03\u4e0a\u7ed8\u51fa\u7684\u5c31\u662f\u5706\uff1b\u5f53\u9009\u4e2d\u4e86\u201c\u753b\u77e9\u5f62\u6309\u94ae\u201d\u540e\uff0c\u5728\u753b\u5e03\u4e0a\u7ed8\u51fa\u7684\u5c31\u662f\u77e9\u5f62\uff1b\u5f53\u9009\u4e2d\u4e86\u201c\u5e73\u79fb\u6309\u94ae\u201d\u540e\uff0c\u5c31\u53ef\u4ee5\u5bf9\u753b\u5e03\u4e0a\u7684\u4efb\u4e00\u56fe\u5f62\u8fdb\u884c\u5e73\u79fb\uff1b\u5f53\u9009\u4e2d\u4e86\u201c\u586b\u5145\u6309\u94ae\u201d\u540e\uff0c\u70b9\u51fb\u753b\u5e03\u5c31\u4f1a\u586b\u8272\u3002\u4e0a\u8282\u7684\u524d3\u5927\u529f\u80fd\u5747\u5c5e\u4e8e\u8be5\u7c7b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2 \u65e0\u72b6\u6001\u529f\u80fd<\/h4>\n\n\n\n<p>\u8fd9\u4e9b\u529f\u80fd\u88ab\u89e6\u53d1\u540e\uff0c\u968f\u5373\u751f\u6548\u3002\u6bd4\u5982\u70b9\u51fb\u201c\u8c03\u8272\u677f\u6309\u94ae\u201d\u540e\u9009\u62e9\u753b\u7b14\u989c\u8272\uff0c\u786e\u8ba4\u540e\u989c\u8272\u9a6c\u4e0a\u53d1\u751f\u6539\u53d8\uff1b\u70b9\u51fb\u201c\u753b\u7b14\u6309\u94ae\u201d\u540e\u9009\u62e9\u753b\u7b14\u6837\u5f0f\uff0c\u786e\u8ba4\u540e\u4e5f\u4f1a\u7acb\u9a6c\u751f\u6548\u3002\u4e0a\u8282\u7684\u540e2\u5927\u529f\u80fd\u5747\u5c5e\u4e8e\u8be5\u7c7b\u3002<\/p>\n\n\n\n<p>\u5212\u5206\u597d\u8fd9\u4e24\u5927\u7c7b\u529f\u80fd\u540e\uff0c\u601d\u8def\u5c31\u660e\u6717\u4e86\u5f88\u591a\uff0c\u56e0\u4e3a\u65e0\u72b6\u6001\u529f\u80fd\u4e0d\u5916\u4e4e\u5c31\u662f\u5bf9\u4e00\u4e9b\u5168\u5c40\u53c2\u6570\u7684\u8bbe\u7f6e\uff0c\u662f\u5f88\u5bb9\u6613\u5b9e\u73b0\u7684\u3002\u4e0b\u9762\u6211\u4eec\u5148\u8bb2\u4e0b\u6709\u72b6\u6001\u529f\u80fd\u4e2d\u201c\u753b\u56fe\u5f62\u201d\u662f\u600e\u4e48\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u62bd\u53d6\u56fe\u5f62\u7c7b<\/h3>\n\n\n\n<p>\u753b\u5e03\u4e0a\u7684\u6bcf\u4e2a\u56fe\u5f62\u90fd\u6709\u81ea\u5df1\u72ec\u4e00\u65e0\u4e8c\u7684\u5f62\u72b6\u3001\u6240\u5360\u533a\u57df\u3001\u989c\u8272\u3001\u98ce\u683c\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u9a6c\u4e0a\u62bd\u53d6\u51fa\u56fe\u5f62\u7c7bPel\u7684\u7ed3\u6784\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Pel\n{\n    Path path; \/\/\u5f62\u72b6\u8f68\u8ff9\n    Region region; \/\/\u6240\u5360\u533a\u57df\n    Paint paint; \/\/\u98ce\u683c\u3001\u989c\u8272\n}<\/pre>\n\n\n\n<p>Path\u3001Region\u3001Paint\u4e09\u4e2a\u7c7b\u90fd\u662fAndroid SDK\u4e2d\u81ea\u5e26\u7684\uff0c\u5176\u4e2d\uff1apath\u8d1f\u8d23\u5b58\u50a8\u56fe\u5f62\u7684\u8f68\u8ff9\uff0c\u53ef\u901a\u8fc7\u8c03\u7528\u5b83\u7684\u82e5\u5e72\u7ed8\u5236\u51fd\u6570\u7ed3\u5408\u5750\u6807\u5f62\u6210\uff1bregion\u8d1f\u8d23\u5b58\u50a8\u56fe\u5143\u6240\u6784\u6210\u7684\u533a\u57df\uff0c\u53ef\u7531path\u8f6c\u6362\u5f97\u5230\uff0c\u7528\u5904\u662f\u65b9\u4fbf\u9009\u4e2d\u56fe\u5f62\uff1bpaint\u8d1f\u8d23\u6307\u5b9a\u8be5\u56fe\u5f62\u7684\u6837\u5f0f\uff0c\u5305\u62ec\u4e86\u753b\u7b14\u98ce\u683c\u548c\u989c\u8272\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b58\u50a8\u56fe\u5f62<\/h3>\n\n\n\n<p>\u56fe\u5f62\u662f\u6709\u4e86\uff0c\u4f46\u5b83\u4eec\u90fd\u662f\u76f8\u5bf9\u72ec\u7acb\u7684\u4e2a\u4f53\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u5efa\u7acb\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u7edf\u4e00\u7ba1\u7406\u5b83\u4eec\u3002\u8003\u8651\u5230\u7528\u6237\u7ed8\u5236\u7684\u56fe\u5f62\u4e2a\u6570\u662f\u6ca1\u6709\u9650\u5236\u7684\uff0c\u7ed8\u5236\u8fc7\u7a0b\u4e2d\u6d89\u53ca\u5bf9\u56fe\u5f62\u7684\u9891\u7e41\u589e\u5220\uff0c\u8fd9\u91cc\u6211\u4eec\u9009\u62e9\u7528\u4e00\u4e2a\u94fe\u8868List&lt;Pel&gt; pelList\u5e8f\u5217\u5316\u5b58\u50a8\u7ed8\u5236\u5728\u753b\u5e03\u4e0a\u7684\u56fe\u5f62\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"523\" height=\"47\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/pellist.png\" alt=\"pellist\" class=\"wp-image-449\" srcset=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/pellist.png 523w, http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/pellist-300x27.png 300w\" sizes=\"(max-width: 523px) 100vw, 523px\" \/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u83b7\u53d6\u56fe\u5f62\u5750\u6807<\/h3>\n\n\n\n<p>\u56fe\u5f62\u7684\u5b58\u50a8\u5df2\u7ecf\u6709\u4e86\u4e00\u4e2a\u5f52\u5bbf\uff0c\u4f46\u8981\u7ed8\u5236\u51fa\u56fe\u5f62\u6765\uff0c\u6211\u4eec\u80af\u5b9a\u9700\u8981\u77e5\u9053\u5750\u6807\uff0c\u90a3\u5750\u6807\u662f\u600e\u4e48\u83b7\u53d6\u5230\u7684\u5462\uff1f\u8fd9\u91cc\u5c31\u9700\u8981\u5f15\u51fa\u56fe\u5c42\u7c7bView\uff0c\u5b83\u7684\u5185\u90e8\u6709\u4e00\u4e2aonTouchEvent(MotionEvent event)\u7684\u56de\u8c03\u65b9\u6cd5\uff0c\u7528\u6237\u5bf9\u8fd9\u4e2a\u56fe\u5c42\u8fdb\u884c\u89e6\u6478\u65f6\u90fd\u4f1a\u8c03\u7528\uff0c\u4e14\u5c06\u89e6\u6478\u4e8b\u4ef6\u7c7b\u578b\uff08\u5982\u624b\u6307\u843d\u4e0b\u4e8b\u4ef6\u3001\u79fb\u52a8\u4e8b\u4ef6\u3001\u62ac\u8d77\u4e8b\u4ef6\u7b49\uff09\u548c\u89e6\u6478\u6570\u636e\uff08\u5982\u5750\u6807\uff09\u5c01\u88c5\u8fdb\u4e86MotionEvent\u5bf9\u8c61\u4e2d\uff0c\u4e0b\u9762\u662f\u83b7\u53d6\u5750\u6807\u7684\u4ee3\u7801\u6846\u67b6\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public boolean onTouchEvent(MotionEvent event)\n{\n    float x = event.getX();\n    float y = event.getY();\n    switch (event.getAction())\n    {\n        case MotionEvent.ACTION_DOWN:{\u5904\u7406\u843d\u4e0b\u4e8b\u4ef6};break;\n        case MotionEvent.ACTION_MOVE:{\u5904\u7406\u79fb\u52a8\u4e8b\u4ef6};break;\n        case MotionEvent.ACTION_UP:{\u5904\u7406\u62ac\u8d77\u4e8b\u4ef6};break;\n    }\n    return true;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed8\u5236\u56fe\u5f62<\/h3>\n\n\n\n<p>\u6211\u4eec\u77e5\u9053\uff1apath\u7528\u6765\u5b58\u50a8\u56fe\u5f62\u7684\u8f68\u8ff9\uff0c\u5750\u6807\u6307\u793a\u4e86\u7528\u6237\u624b\u6307\u6240\u5728\u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u80fd\u628a\u5750\u6807\u201c\u753b\u201d\u8fdbpath\u91cc\u9762\uff0c\u5c31\u5b9e\u73b0\u4e86\u56fe\u5f62\u7684\u5b58\u50a8\u3002\u6240\u5e78\u7684\u662f\uff0cPath\u7c7b\u63d0\u4f9b\u4e86\u8fd9\u6837\u7684\u51fd\u6570\u66ff\u6211\u4eec\u8f6c\u6362\uff0c\u5982\u753b\u968f\u7b14\u7ebfquadTo()\u3001\u753b\u77e9\u5f62addRect()\u3001\u753b\u692d\u5706addOval()\u7b49\u3002\u5177\u4f53\u600e\u4e48\u5b9e\u73b0\u5462\uff1f\u5176\u5b9e\u7ed8\u5236\u5c31\u662f\u56f4\u7ed5\u4ee5\u4e0a\u4e09\u4e2a\u89e6\u6478\u4e8b\u4ef6\u5c55\u5f00\u7684\uff0c\u4e0b\u9762\u7ed9\u51fa\u4e8b\u4ef6\u5904\u7406\u7684\u5927\u81f4\u601d\u8def\uff1a<\/p>\n\n\n\n<p>MotionEvent.ACTION_DOWN\uff1a\u5229\u7528Path\u7c7b\u7684moveTo()\u65b9\u6cd5\u56fa\u5b9a\u8f68\u8ff9\u7684\u8d77\u59cb\u70b9<\/p>\n\n\n\n<p>MotionEvent.ACTION_MOVE\uff1a\u5229\u7528Path\u7c7b\u7684\u5404\u79cd\u7ed8\u5236\u65b9\u6cd5\uff0c\u4ee5\u5f53\u524d\u5750\u6807\u4f5c\u4e3a\u53c2\u6570\u7ed8\u51fa\u56fe\u5f62\uff0c\u5e76\u5237\u65b0\u5230\u753b\u5e03\u4e0a<\/p>\n\n\n\n<p>MotionEvent.ACTION_UP\uff1a\u786e\u5b9a\u56fe\u5f62\u7684\u6700\u7ec8\u8f68\u8ff9\uff0c\u6784\u5efapel\u5bf9\u8c61\uff0c\u5b58\u5165pelList\u4e2d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6269\u5c55\u66f4\u591a\u529f\u80fd<\/h3>\n\n\n\n<p>\u5176\u5b9e\u5b9e\u73b0\u201c\u753b\u5706\u201d\u5e76\u4e0d\u96be\uff0c\u5b9e\u73b0\u201c\u753b\u77e9\u5f62\u201d\u4e5f\u4e0d\u96be\uff0c\u96be\u7684\u662f\u8981\u5b9e\u73b0\u4e0a\u9762\u201c\u6240\u6709\u7684\u201d\u6709\u72b6\u6001\u529f\u80fd\uff0c\u8fd9\u8be5\u5982\u4f55\u662f\u597d\uff1f\u6709\u4e24\u79cd\u65b9\u6848\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1 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if\uff0c\u91cc\u9762\u518d\u52a0\u4e2aswitch\uff0c\u6700\u540e\u9488\u5bf9\u4e0d\u540c\u4e8b\u4ef6\u7ed9\u51fa\u4e0d\u540c\u5904\u7406\uff0c\u6269\u5c55\u5de5\u4f5c\u91cf\u5f88\u5927<\/li>\n<\/ul>\n\n\n\n<p>\u55ef\uff0c\u6240\u4ee5\u8fd9\u4e2a\u5b9e\u73b0\u65b9\u6cd5\u6ce8\u5b9a\u662f\u4e0d\u53ef\u53d6\u7684\uff0c\u662f\u6709\u8fdd\u5f00\u53d1\u89c4\u8303\u548c\u521d\u8877\u7684\u3002\u4e0b\u9762\u6211\u4ecb\u7ecd\u4e00\u79cd\u81ea\u5df1\u60f3\u7684\u65b9\u6cd5\uff0c\u82e5\u6709\u4e0d\u8db3\u6b22\u8fce\u5927\u5bb6\u6307\u6b63\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2 \u7528\u7ee7\u627f\u548c\u591a\u6001\u5b9e\u73b0<\/h4>\n\n\n\n<p>\u4e0a\u9762\u90a3\u79cd\u65b9\u6cd5\u7684\u601d\u8003\u89d2\u5ea6\u672c\u8d28\u8fd8\u662f\u9762\u5411\u8fc7\u7a0b\uff0c\u5b83\u5173\u6ce8\u7684\u7126\u70b9\u662f\u5982\u4f55\u4e00\u6b65\u4e00\u6b65\u5148\u540e\u5730\u53bb\u5b9e\u73b0\uff0c\u8fd9\u79cd\u8fc7\u7a0b\u662f\u9f20\u76ee\u5bf8\u5149\u7684\uff0c\u5fc5\u7136\u6709\u5931\u5bf9\u5168\u5c40\u7684\u8003\u8651\u3002\u800c\u65e2\u7136\u91c7\u7528\u7684\u662fjava\u8bed\u8a00\uff0c\u90a3\u6211\u4eec\u5c31\u8981\u5145\u5206\u5229\u7528\u5b83\u9762\u5411\u5bf9\u8c61\u7684\u7279\u70b9\uff0c\u5c06\u5173\u6ce8\u7684\u7126\u70b9\u8f6c\u6362\u4e3a\u4e00\u4e2a\u4e2a\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u8fd9\u4e9b\u6709\u72b6\u6001\u529f\u80fd\u90fd\u662f\u4e00\u7c7b\uff0c\u6240\u4ee5\u5b83\u4eec\u4e4b\u95f4\u5fc5\u7136\u5b58\u5728\u5171\u540c\u7684\u5c5e\u6027\u4e0e\u64cd\u4f5c\uff0c\u800c\u5269\u4e0b\u7684\u5c31\u662f\u5b83\u4eec\u5404\u81ea\u7279\u6709\u7684\u5c5e\u6027\u4e0e\u64cd\u4f5c\u4e86\u3002\u4e00\u65e6\u6211\u4eec\u5b9a\u4e49\u597d\u4e86\u5171\u6027\u7684\u4e1c\u897f\uff08\u63a5\u53e3\u3001\u57fa\u7c7b\uff09\uff0c\u5c31\u53ea\u7528\u4e13\u6ce8\u4e8e\u53bb\u5b9e\u73b0\u7279\u6027\u7684\u4e1c\u897f\uff08\u63a5\u53e3\u5b9e\u73b0\u3001\u5b50\u7c7b\u8986\u5199\uff09\u4e86\uff0c\u4ece\u800c\u8f7b\u677e\u5b8c\u6210\u5f00\u53d1\uff0c\u4e0d\u4ec5\u5982\u6b64\uff0c\u8fd8\u517c\u987e\u4e86\u7a0b\u5e8f\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u6269\u5c55\u6027\u3002\u8fd9\u5c31\u662f\u7a0b\u5e8f\u7684\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u597d\u5904\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff1f\u6709\u72b6\u6001\u529f\u80fd\u95f4\u7684\u5171\u6027\u662f\u4ec0\u4e48\uff1f\u7279\u6027\u53c8\u662f\u4ec0\u4e48\uff1f\u5f88\u7b80\u5355\uff0c\u4f60\u60f3\uff0c\u65e0\u8bba\u662f\u753b\u5706\uff0c\u8fd8\u662f\u753b\u77e9\u5f62\uff0c\u6216\u662f\u5e73\u79fb\u56fe\u5f62\uff0c\u4e0d\u5916\u4e4e\u4e0a\u9762\u63d0\u5230\u7684\u624b\u6307\u843d\u4e0b\u3001\u624b\u6307\u79fb\u52a8\u3001\u624b\u6307\u62ac\u8d77\u8fd9\u4e09\u4e2a\u4e8b\u4ef6\uff08\u8fd9\u5c31\u662f\u5171\u6027\u90e8\u5206\uff09\uff0c\u6211\u4eec\u8981\u5206\u522b\u4e3a\u8fd9\u4e9b\u6709\u72b6\u6001\u529f\u80fd\u5206\u522b\u7f16\u51993\u79cd\u4e8b\u4ef6\u7684\u5904\u7406\u4ee3\u7801\uff0c\u8fd9\u4e9b\u5904\u7406\u4ee3\u7801\u662f\u4e92\u4e0d\u76f8\u540c\u3001\u72ec\u4e00\u65e0\u4e8c\u7684\uff08\u8fd9\u5c31\u662f\u7279\u6027\u90e8\u5206\uff09\u3002<\/p>\n\n\n\n<p>\u65e2\u7136\u63d0\u5230\u5171\u6027\uff0c\u6ca1\u9519\uff0c\u9a6c\u4e0a\u60f3\u5230\u7684\u5c31\u662f\u7ee7\u627f\u3002\u6211\u4eec\u5f88\u5bb9\u6613\u62bd\u8c61\u51fa\u4e00\u4e2a\u89e6\u6478\u7684\u57fa\u7c7bTouch\uff0c\u5b83\u5b9a\u4e49\u4e09\u4e2a\u516c\u5171\u65b9\u6cd5down()\u3001move()\u3001up()\uff0c\u518d\u5b9a\u4e49\u82e5\u5e72\u516c\u5171\u5c5e\u6027\u5982x\u3001y\u3001eventType\u7b49\uff0c\u518d\u7531\u5177\u4f53\u7684\u201c\u5b50\u7c7bTouch\u201d\u53bb\u7ee7\u627f\u8fd9\u4e2a\u57fa\u7c7bTouch\uff0c\u5728\u516c\u5171\u65b9\u6cd5\u4e2d\u5b9e\u73b0\u81ea\u5df1\u7684\u7279\u6027\u64cd\u4f5c\uff0c\u5176\u5173\u7cfb\u5982\u4e0b\u9762\u7c7b\u56fe\u6240\u793a\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"390\" height=\"395\" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/touch-1.png\" alt=\"touch\" class=\"wp-image-464\" srcset=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/touch-1.png 390w, http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/07\/touch-1-296x300.png 296w\" sizes=\"(max-width: 390px) 100vw, 390px\" \/><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>\u4e0a\u9762\u53ea\u662f\u5229\u7528\u7ee7\u627f\u642d\u597d\u4e86\u82e5\u5e72\u7c7b\u53ca\u4ed6\u4eec\u7684\u5173\u7cfb\uff0c\u4f46\u843d\u5b9e\u5230\u5177\u4f53\u5b9e\u73b0\u4e0a\uff0c\u8fd8\u9700\u8981\u501f\u52a9\u591a\u6001\u3002\u591a\u6001\u6700\u5999\u7684\u4e00\u70b9\u5c31\u662f\uff1a\u6307\u5411\u5b50\u7c7b\u5bf9\u8c61\u7684\u57fa\u7c7b\u5f15\u7528\u53ef\u4ee5\u8c03\u7528\u5b50\u7c7b\u8986\u5199\u8fc7\u7684\u65b9\u6cd5\uff0c\u4ec0\u4e48\u610f\u601d\u5462\uff0c\u4e5f\u5c31\u662f\u4e0a\u9762\u65b9\u68481\u5e9e\u6742\u7684\u6761\u4ef6\u5206\u652f\u53ef\u4ee5\u795e\u5947\u5730\u7b80\u5199\u6210\u8fd9\u6837\u4e86\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/\u58f0\u660e\u4e00\u4e2a\u5168\u5c40\u7684Touch\u5bf9\u8c61\nTouch touch = null;\n\n\/\/\u753b\u5706\u6309\u94ae\npublic void onDrawOvalBtn(View view)\n{\n    touch = new DrawOvalTouch();\n}\n\n\/\/\u753b\u77e9\u5f62\u6309\u94ae\npublic void onDrawRectBtn(View view)\n{\n    touch = new DrawRectTouch();\n}\n......\n\n\/\/\u5e73\u79fb\u56fe\u5f62\u6309\u94ae\npublic void onDragPelBtn(View view)\n{\n    touch = new DragPelTouch();\n}\n......<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public boolean onTouchEvent(MotionEvent event)\n{\n    float x = event.getX();\n    float y = event.getY();\n    touch.setPoint(x,y); \/\/\u4f20\u9012\u5750\u6807\n    switch (event.getAction())\n    {\n        case MotionEvent.ACTION_DOWN:touch.down();break;\n        case MotionEvent.ACTION_MOVE:touch.move();break;\n        case MotionEvent.ACTION_UP:touch.up();break;\n    }\n    return 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