1.WebView第一次創建在5.X的手機上會比較耗時,會影響頁面的啓動速度,不管是動態創建還是layout裏的結點,第二次創建就不會出現這種情況,第一創建可以做了一些全局初始化的操作,所以可以在啓動頁或主頁預先創建Webview提前做全局的初始化。
2.WebView內存泄露,詳見:
方案1:http://blog.csdn.net/shareus/article/details/51742799
在onResume裏setJavaScriptEnabled(true),在onPause裏setJavaScriptEnabled(false)
I got this Leaked Connection when using a WebView in my Fragment. In the onCreateView method I did setJavaScriptEnabled(true), which caused this error, when pressing back on the Activity. To get rid of it, I moved the set to onResume(), and also set it to false in onPause(), then problem disappeared.
回收:
public void destroyWebView() {
ViewParent parent = getParent();
if (parent != null) {
((ViewGroup) parent).removeView(this);
}
stopLoading();
// 退出時調用此方法,移除綁定的服務,否則某些特定系統會報錯
getSettings().setJavaScriptEnabled(false);
clearHistory();
loadUrl("about:blank");
//clearView();
removeAllViews();
try {
destroy();
} catch (Throwable ex) {
}
}
方案2:詳見http://www.cnblogs.com/hnrainll/p/4309792.html
加載WebView的界面開啓新進程,在該頁面退出之後System.exit(0)關閉這個進程