如何从webView删除缓存 [英] how to remove cache from webView
问题描述
我有recyclerView,并且在每个项目中我都在webView中替换了facebook.我登录了facebook的webview的一项(位置1).并且,所有其他项目(位置1,2,3 ..)将自动登录到同一fb帐户中.但是,我想在不同的项目中登录不同的fb帐户.
I have recyclerView and in each items I've have displaced facebook in webView. I loged in one of the item (position 1) of the webview by facebook. And, all other items (position 1,2,3..) are automatically logged in same fb account. But, I want to login different fb account in different item.
这是我的活动
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
webView = findViewById(R.id.webView);
webView.setWebViewClient(new WebViewClient());
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setSavePassword(true);
code = getIntent().getStringExtra(MainActivity.FB);
assert code != null;
switch (code) {
case "fb1":
webView.loadUrl("https://www.facebook.com");
break;
case "fb2":
webView.clearCache(true);
webView.loadUrl("https://www.facebook.com");
break;
case "fb3":
webView.loadUrl("https://www.facebook.com");
break;
}
}
我试图在其中添加webView.clearCache(true);
,但是,它也不起作用.一旦不同的Facebook登录了不同的项目,我就不希望用户再次输入登录详细信息.你能帮我吗?
I tried to add webView.clearCache(true);
in one but, It is also not working. Once different facebook is logged in different items, I don't want user to enter login details again. Can you please help me?
我不想清除缓存,但是我想断开不同列表的webview之间的链接.我的意思是,如果我在一个Web视图中登录一个用户,则所有Web视图都显示同一用户.而且,如果我使用clear cache
,则用户必须一次又一次输入登录详细信息.
I don't want to clear cache, but I want to disconnect the link between webview of different list. I mean, if I login one user in one webview, all webview are showing same user. And, if I use clear cache
user must enter login details again and again.
推荐答案
您可以尝试这种方式.希望它能工作.
You can try this way. Hope it should work.
CookieManager cookieManager = CookieManager.getInstance();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
cookieManager.removeAllCookies(new ValueCallback<Boolean>() {
@Override
public void onReceiveValue(Boolean aBoolean) {
Log.d(TAG, "Cookie removed: " + aBoolean);
}
});
}
else {
cookieManager.removeAllCookie()
}
webView.clearCache(true);
webView.clearFormData();
webView.clearHistory();
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