[英]Android facebook sdk use graph api
I read many guides on the net but I haven't understand yet how to use the Graph API in my android app. 我在网上阅读了许多指南,但还不了解如何在我的Android应用中使用Graph API。
I've this fragment where I have a Facebook login. 我在这个片段中有一个Facebook登录名。 The login works, but I don't know how to get the Facebook user and id
登录有效,但我不知道如何获取Facebook用户和ID
Here is my entire fragment : 这是我的整个片段:
public class SampleFragment extends Fragment {
private static final String ARG_POSITION = "position";
private WebView myWebView;
private String LOG_TAG = "AndroidWebViewActivity";
private int position;
public static SampleFragment newInstance(int position) {
SampleFragment f = new SampleFragment();
Bundle b = new Bundle();
b.putInt(ARG_POSITION, position);
f.setArguments(b);
return f;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
new GraphRequest.GraphJSONObjectCallback() {
@Override
public void onCompleted(
JSONObject object,
GraphResponse response) {
Log.i("**********", String.valueOf(object));
}
};
position = getArguments().getInt(ARG_POSITION);
View rootView = inflater.inflate(page, container, false);
FloatingActionButton fab = (FloatingActionButton) rootView.findViewById(R.id.fabButton);
final ProgressBarCircular progressBarCircular = (ProgressBarCircular) rootView.findViewById(R.id.progress);
final WebView webView = (WebView) rootView.findViewById(R.id.webView);
webView.getSettings().setBuiltInZoomControls(false);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setAllowContentAccess(true);
webView.getSettings().setAllowUniversalAccessFromFileURLs(true);
webView.getSettings().setAllowFileAccessFromFileURLs(true);
webView.getSettings().setAllowContentAccess(true);
webView.getSettings().setAppCacheEnabled(true);
webView.getSettings().setSupportZoom(false);
webView.setInitialScale(0);
LoginButton loginButton = (LoginButton) rootView.findViewById(R.id.login_button);
loginButton.setReadPermissions("user_friends");
// If using in a fragment
loginButton.setFragment(this);
// Other app specific specialization
CallbackManager callbackManager = CallbackManager.Factory.create();
loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
GraphRequest request = GraphRequest.newMeRequest(
loginResult.getAccessToken(),
new GraphRequest.GraphJSONObjectCallback() {
@Override
public void onCompleted(
JSONObject object,
GraphResponse response) {
}
});
Bundle parameters = new Bundle();
parameters.putString("fields", "id,name,link");
request.setParameters(parameters);
request.executeAsync();
Log.i("LOGIN", "***************************");
Log.i("LOGIN", String.valueOf(loginResult));
}
@Override
public void onCancel() {
}
@Override
public void onError(FacebookException exception) {
}
});
switch (position) {
case 0:
Bundle webViewBundle1 = null;
if (webViewBundle1 == null) {
fab.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
webView.loadUrl("file:///android_asset/eventiresponsive.html");
}
});
webView.loadUrl("file:///android_asset/eventiresponsive.html");
webView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
progressBarCircular.setVisibility(View.GONE);
}
});
webViewBundle1 = new Bundle();
webView.saveState(webViewBundle1);
}
else {
webView.restoreState(webViewBundle1);
}
loginButton.setVisibility(View.GONE);
break;
case 1:
Bundle webViewBundle2 = null;
fab.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
webView.loadUrl("file:///android_asset/fotostream.html");
}
});
loginButton.setVisibility(View.GONE);
if (webViewBundle2 == null) {
webView.loadUrl("file:///android_asset/fotostream.html");
webView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
progressBarCircular.setVisibility(View.GONE);
}
});
webViewBundle2 = new Bundle();
webView.saveState(webViewBundle2);
}
else {
webView.restoreState(webViewBundle2);
}
break;
case 2:
Bundle webViewBundle3 = null;
fab.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
webView.loadUrl("file:///android_asset/visualizzaordini.html");
}
});
loginButton.setVisibility(View.GONE);
if (webViewBundle3 == null) {
webView.loadUrl("file:///android_asset/visualizzaordini.html");
webView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
progressBarCircular.setVisibility(View.GONE);
}
});
webViewBundle3 = new Bundle();
webView.saveState(webViewBundle3);
}
else {
webView.restoreState(webViewBundle3);
}
break;
case 3:
fab.setVisibility(View.GONE);
loginButton.setVisibility(View.VISIBLE);
break;
}
return rootView;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
CallbackManager callbackManager = CallbackManager.Factory.create();
callbackManager.onActivityResult(requestCode, resultCode, data);
Log.i("LOGIN", "***************************");
Log.i("LOGIN", String.valueOf(data));
}
}
获得访问令牌后,您应该可以致电https://graph.facebook.com/v2.2/me?access_token=YOUR_ACCESS_TOKEN_HERE
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