FacebookShare.java

public final class FingerPaintActivity extends Activity implements View.OnClickListener {
    private CallbackManager callbackManager;
    private ProgressDialog progressDialog;
    private Bitmap viewBitmap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity);

        callbackManager = CallbackManager.Factory.create();
        LoginManager.getInstance().registerCallback(callbackManager, new FacebookCallback<LoginResult>() {

            @Override
            public void onSuccess(LoginResult loginResult) {
                uploadPhoto(loginResult.getAccessToken());
            }

            @Override
            public void onCancel() {
                // No-op
            }

            @Override
            public void onError(FacebookException e) {
                progressDialog.dismiss();
                new AlertDialog.Builder(FingerPaintActivity.this)
                        .setTitle(R.string.facebook_dialog_title)
                        .setMessage(R.string.facebook_auth_failure)
                        .setPositiveButton("Ok", null)
                        .show();
            }
        });

        progressDialog = new ProgressDialog(this);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        callbackManager.onActivityResult(requestCode, resultCode, data);
    }

    @Override
    public void onClick(final View button) {
        switch (button.getId()) {
            case R.id.facebook_share:
                AccessToken accessToken = AccessToken.getCurrentAccessToken();
                if (accessToken == null || accessToken.isExpired() ||
                        !accessToken.getPermissions().contains("publish_actions")) {
                    progressDialog.setMessage(getString(R.string.facebook_login_progress));
                    progressDialog.show();
                    LoginManager.getInstance().logInWithPublishPermissions(this,
                            Collections.singletonList("publish_actions"));
                } else {
                    uploadPhoto(accessToken);
                }
                break;
        }
    }

    private void uploadPhoto(AccessToken accessToken) {
        progressDialog.setMessage(getString(R.string.facebook_share_progress));
        if (!progressDialog.isShowing()) {
            progressDialog.show();
        }

        if (viewBitmap != null) {
            synchronized (viewBitmap) {
                Bundle parameters = new Bundle(1);
                parameters.putParcelable("picture", viewBitmap);
                parameters.putString("message", getString(R.string.facebook_share_text,
                        getString(R.string.url_play_store, getPackageName())));

                GraphRequest request = new GraphRequest(accessToken, "me/photos", parameters,
                        HttpMethod.POST, new GraphRequest.Callback() {

                    @Override
                    public void onCompleted(GraphResponse graphResponse) {
                        progressDialog.dismiss();

                        FacebookRequestError error = graphResponse.getError();

                        if (error == null) {
                            Toast.makeText(FingerPaintActivity.this, R.string.facebook_share_success,
                                Toast.LENGTH_SHORT).show();
                        } else {
                            Log.e("facebook error", error.getErrorMessage());
                            Toast.makeText(FingerPaintActivity.this, R.string.facebook_share_failure,
                                Toast.LENGTH_SHORT).show();
                        }
                    }
                });

                request.executeAsync();
            }
        }
    }
}