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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ?setOnKeyListener之所以執行兩次是因為都down和up占用了,解決方法是KeyEvent.getAction()==KeyEvent.ACTION\_DOWN或者KeyEvent.getAction()==KeyEvent.ACTION\_UP的時候讓他執行return true;而且其他的操作需要獲取getKeyCode()事件,不是getAction()動作; ~~~ webviewInstance.setOnKeyListener(new View.OnKeyListener() { @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { if (webviewInstance.canGoBack()) { webviewInstance.goBack(); } else { finish(); } } return true; } }); ~~~
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                              哎呀哎呀视频在线观看