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POTrouble with accessing friends using Facebook-Android SDK
 

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  1. POTrouble with accessing friends using Facebook-Android SDK
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    <p>I have been struggling with android and the Facebook's graph API and I'm sure this is a piece of cake for intermediate programmers. What I want is a very simple Android application that logs in a user to Facebook, get the users consent to access information and finally to <strong>seamlessly</strong> query the graph API to get the users friends. I mention the work seamless because I have seen many sample applications that require the user to push a "get friends" button but I do not want that. I wish to extract the users friends without requiring him to push anything.</p> <p>I have pasted the code below. I am able to to log-in and grant permission to my application. Next, I expect it to display my friends but it just directs me to a blank page. The problem might be that I am accessing the graph API in the wrong place because <strong>the Logcat does not contain the messages I print before and after the request</strong>. Could you please help me. </p> <p>public class FacebookLogin extends Activity {</p> <pre><code>Facebook mFacebook = new Facebook("XXXXXXXXXXXX"); AsyncFacebookRunner mAsyncRunner = new AsyncFacebookRunner(mFacebook); View linearLayout; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); linearLayout = findViewById(R.id.main_layout); mFacebook.authorize(this, new DialogListener() { @Override public void onComplete(Bundle values) { Log.d("Facebook-Example-Friends Request", "Started API request"); mAsyncRunner.request("me/friends", new FriendsRequestListener()); Log.d("Facebook-Example-Friends Request", "Finished API request"); } @Override public void onFacebookError(FacebookError error) {} @Override public void onError(DialogError e) {} @Override public void onCancel() {} }); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); mFacebook.authorizeCallback(requestCode, resultCode, data); } public class FriendsRequestListener implements RequestListener { /** * Called when the request to get friends has been completed. * Retrieve, parse and display the JSON stream. */ public void onComplete(final String response) { Log.d("Facebook-Example-Friends Request", "FriendsListenerOnComplete"); try { JSONObject json = Util.parseJson(response); final JSONArray friends = json.getJSONArray("data"); FacebookLogin.this.runOnUiThread(new Runnable() { public void run() { int l = (friends != null ? friends.length() : 0); for (int i=0; i&lt;l; i++) { try { JSONObject o = friends.getJSONObject(i); TextView tv = new TextView(FacebookLogin.this); tv.setText(o.getString("name")); ((LinearLayout) linearLayout).addView(tv); } catch(JSONException e) { Toast.makeText(getApplicationContext(), "JSON parsing error", Toast.LENGTH_LONG); } } } }); } catch(JSONException e) { Log.d("Facebook-Example-Friends Request", "JSON Error in response"); } catch(FacebookError e) { Log.d("Facebook-Example-Friends Request", "Facebook Error in response"); } } } </code></pre> <p>}</p>
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    1. CODoes the logcat write "Started API request"? If not try adding Log.d in onFacebookError, onError, onCancel to see what it says.
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      1. POTrouble with accessing friends using Facebook-Android SDK
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