vue项目用hbuilder打包成APP后,返回键退出程序的解决

2019-12-19  本文已影响0人  钱段工程师

复制下面代码

<script type="text/javascript">

      document.addEventListener('plusready', function() {

        var webview = plus.webview.currentWebview();

        plus.key.addEventListener('backbutton', function() {

          webview.canBack(function(e) {

            if (e.canBack) {

              webview.back();

            } else {

              //webview.close(); //hide,quit

              //plus.runtime.quit();

              //首页返回键处理

              //处理逻辑:1秒内,连续两次按返回键,则退出应用;

              var first = null;

              plus.key.addEventListener('backbutton', function() {

                //首次按键,提示‘再按一次退出应用’

                if (!first) {

                  first = new Date().getTime();

                  console.log('再按一次退出应用');

                  setTimeout(function() {

                    first = null;

                  }, 1000);

                } else {

                  if (new Date().getTime() - first < 1500) {

                    plus.runtime.quit();

                  }

                }

              }, false);

            }

          })

        });

      });

    </script>

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