带箭头的PopupWindow

<h1>带箭头的PopupWindow</h1> <hr /> <h2>GitHub样式介绍：<a href="https://github.com/wanglu1209/WPopup">https://github.com/wanglu1209/WPopup</a></h2> <h1>使用方法和步骤</h1> <h3>① 引入依赖：implementation 'com.github.wanglu1209:WPopup:0.22'</h3> <hr /> <h3>② builder链式创建演示：</h3> <p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/3249500c6daf715b19df7fdbb154e86f?showdoc=.jpg" alt="" /></p> <hr /> <h3>③ 更多方法和样式</h3> <p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/43da1f6866f905be00fde0b864f5d4d8?showdoc=.jpg" alt="" /></p> <hr /> <h3>④ 自定义样式</h3> <p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/c84e7a3050d2b6d05c71e6bb17f3f29f?showdoc=.jpg" alt="" /></p> <hr /> <h3>⑤ 其余注意点</h3> <p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/8ece00b86ba6a8022568cb3d883e206e?showdoc=.jpg" alt="" /></p>