[英]facebook like on webview android shows blank screen after login
I utilize the facebook html like for my app to open a webview like this https://developers.facebook.com/docs/plugins/like-button/ 我利用我的应用程序的facebook html来打开这样的webview :https://developers.facebook.com/docs/plugins/like-button/
The webview shows a Like and Share button, but after I login to facebook, it doesnt return to the Like and Share button, but a blank page, the share button works fine. Web视图显示一个“喜欢并共享”按钮,但是登录到Facebook后,它不会返回到“喜欢并共享”按钮,但是在空白页上,“共享”按钮可以正常工作。
So how do I return to the facebook like url after logging in? 那么,登录后如何返回url之类的Facebook?
public class LikeFacebookActivity extends BaseActivity {
private WebView webView;
private final String URL = "facebookIDhere";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.like_facebook_webview);
webView = (WebView) findViewById(R.id.webView1);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setAppCacheEnabled(true);
webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
showLoading();
webView.setWebViewClient(new MyWebViewClient());
webView.loadUrl(URL);
ActionBar actionbar = getActionBar();
actionbar.setCustomView(R.layout.actionbar_top_like_facebook);
actionbar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
Button backButton = (Button) findViewById(R.id.buttonGeneralBack);
backButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
onBackPressed();
}
});
}
@Override
public void onBackPressed() {
finish();
overridePendingTransition(R.anim.animation_slide_from_left,
R.anim.animation_slide_to_right);
}
public class MyWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if(url.contains("something")) return true;
return false;
}
public void onPageFinished(WebView view, String url) {
hideLoading();
}
}
}
I have solved this, just use system.out.println to see which page does facebook load after loggin in 我已经解决了这个问题,只需使用system.out.println来查看登录后Facebook加载的页面
public class MyWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if(url.contains("something")) return true;
return false; //Default is to not override unless our condition is met.
}
public void onPageFinished(WebView view, String url) {
hideLoading();
//String webUrl = webView.getUrl();
//System.out.println(webUrl);
if(url.startsWith("https://www.facebook.com/plugins/close_popup.php#_=_")){
String redirectUrl = URL;
view.loadUrl(redirectUrl);
return;
}
super.onPageFinished(view, url);
}
}
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