无法从Facebook获取用户的个人资料图片。 请查看详细信息

Question

I want to fetch user's facebook profile picture but I am unable to do so with my code. However, I have succeeded in fetching user's name, email & id.

Here is what I have done to fetch user's name, email, id & profile picture:

public class SignUpScreen extends AppCompatActivity {

    Button facebookLoginButton;
    CircleImageView mProfileImage;
    TextView mUsername, mEmailID;
    Profile mFbProfile;
    ParseUser user;
    public String name, email, userID;
    public static final List<String> mPermissions = new ArrayList<String>() {{
        add("public_profile");
        add("email");
    }};

    private static final String TAG = "SignInActivity";
    private static final int RC_SIGN_IN = 9001;

    public SignUpScreen() {
        // Required empty public constructor
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.content_sign_up_screen);

        TextView textView = (TextView) findViewById(R.id.h);
        Typeface typeface = Typeface.createFromAsset(getBaseContext().getAssets(), "fonts/Paci.ttf");
        textView.setTypeface(typeface);

        mProfileImage = (CircleImageView) findViewById(R.id.user_profile_image);
        mUsername = (TextView) findViewById(R.id.userName);
        mEmailID = (TextView) findViewById(R.id.aboutUser);

        mFbProfile = Profile.getCurrentProfile();

        facebookLoginButton = (Button) findViewById(R.id.facebook_login_button);
        facebookLoginButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                ParseFacebookUtils.logInWithReadPermissionsInBackground(SignUpScreen.this, mPermissions, new LogInCallback() {
                    @Override
                    public void done(ParseUser user, ParseException err) {

                        if (user == null) {
                            Log.d("MyApp", "Uh oh. The user cancelled the Facebook login.");
                        } else if (user.isNew()) {
                            Log.d("MyApp", "User signed up and logged in through Facebook!");
                            getUserDetailsFromFacebook();
                            final Handler handler3 = new Handler();
                            handler3.postDelayed(new Runnable() {
                                @Override
                                public void run() {
                                    saveNewUser();
                                }
                            }, 5000);
                        } else {
                            Log.d("MyApp", "User logged in through Facebook!");
                        }
                    }
                });

            }
        });

        findViewById(R.id.signup_using_email_button).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                final Handler handler3 = new Handler();
                handler3.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        final Dialog dialog = new Dialog(SignUpScreen.this);
                        dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
                        dialog.setCancelable(true);
                        dialog.setContentView(R.layout.custom_dialog_for_email_signin);

                        Button dialogButton = (Button) dialog.findViewById(R.id.email_signup_btn);
                        dialogButton.setOnClickListener(new View.OnClickListener() {
                            @Override
                            public void onClick(View v) {
                                final Handler handler3 = new Handler();
                                handler3.postDelayed(new Runnable() {
                                    @Override
                                    public void run() {
                                        dialog.dismiss();
                                    }
                                }, 200);
                            }
                        });

                        dialog.show();
                    }
                }, 200);
            }
        });

        findViewById(R.id.already_user).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent loginIntent = new Intent(SignUpScreen.this, LoginScreen.class);
                startActivity(loginIntent);
            }
        });

    }

    public void saveNewUser() {
        user = new ParseUser();
        user.setUsername(name);
        user.setEmail(email);
        user.setPassword("hidden");

        user.signUpInBackground(new SignUpCallback() {
            @Override
            public void done(ParseException e) {
                if (e == null) {
                    Toast.makeText(SignUpScreen.this, "SignUp Succesful", Toast.LENGTH_LONG).show();
                } else {
                    Toast.makeText(SignUpScreen.this, "SignUp Unsuccesful", Toast.LENGTH_LONG).show();
                    Log.d("error when signingup", e.toString());
                }
            }
        });

                user.saveInBackground(new SaveCallback() {
                    @Override
                    public void done(ParseException e) {
                        if (e == null) {
                            Toast.makeText(SignUpScreen.this, "saved", Toast.LENGTH_LONG).show();
                        } else {
                            Toast.makeText(SignUpScreen.this, "error saving", Toast.LENGTH_LONG).show();
                            Log.d("error when saving", e.toString());
                        }
                    }
                });
    }

    private void getUserDetailsFromFacebook() {

        final GraphRequest request = GraphRequest.newMeRequest(AccessToken.getCurrentAccessToken(),
                new GraphRequest.GraphJSONObjectCallback() {
                    @Override
                    public void onCompleted(
                            JSONObject object,
                            GraphResponse response) {
                        // Application code
                        Log.d("response", "response" + object.toString());
                        //Intent profileIntent = new Intent(SignUpScreen.this, ProfileActivity.class);
                        //Bundle b = new Bundle();
                        try {
                            name = response.getJSONObject().getString("name");
                            mUsername.setText(name);
                            email = response.getJSONObject().getString("email");
                            mEmailID.setText(email);
                            userID = response.getJSONObject().getString("id");

                            //b.putString("userName", name);
                            //b.putString("userEmail", email);

                            //profileIntent.putExtras(b);
                            //startActivity(profileIntent);

                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                });

        Bundle parameters = new Bundle();
        parameters.putString("fields", "name, email, id");
        request.setParameters(parameters);
        request.executeAsync();

    }

    class ProfilePicAsync extends AsyncTask<String, String, String> {

        Bitmap bmp = null;

        @Override
        protected String doInBackground(String... id) {

            String imageURL;
            Toast.makeText(SignUpScreen.this, "Loading picture", Toast.LENGTH_LONG).show();
            imageURL = "https://graph.facebook.com/"+ id +"/picture?type=small";
            try {
                bmp = BitmapFactory.decodeStream((InputStream)new URL(imageURL).getContent());
            } catch (Exception e) {
                Toast.makeText(SignUpScreen.this, "Loading picture failed", Toast.LENGTH_LONG).show();
                e.printStackTrace();
                Log.d("Loading picture failed", e.toString());

            }

            return null;
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            mProfileImage.setImageBitmap(bmp);
        }

    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        ParseFacebookUtils.onActivityResult(requestCode, resultCode, data);

    }

    public interface OnFragmentInteractionListener {
        // TODO: Update argument type and name
        void onFragmentInteraction(Uri uri);
    }
}

This code is not fetching the user's profile picture.

Please let me know what is wrong!

I'm using Facebook API for first time, so please cooperate if there are some silly errors.

Thanks in advance.

Answer 1

add new ProfilePicAsync().execute(userID);

below

userID = response.getJSONObject().getString("id");

in

 private void getUserDetailsFromFacebook() {...}

and replace imageURL = "https://graph.facebook.com/"+ id +"/picture?type=small"; with

imageURL = "https://graph.facebook.com/"+ id[0].toString +"/picture?type=small";

Answer 2

I find the solution. Thanks to user3069305

I did this in doInBackground() :

@Override
        protected String doInBackground(String... params) {

            String imageURL;
            String id = userID;
            imageURL = "https://graph.facebook.com/"+ id +"/picture?type=small";
            try {
                bmp = BitmapFactory.decodeStream((InputStream)new URL(imageURL).getContent());
            } catch (Exception e) {
                e.printStackTrace();
                Log.d("Loading picture failed", e.toString());

            }

            return null;
        }