/**
* Copyright 2010-present Facebook.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.samples.rps;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
import com.facebook.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static com.facebook.samples.rps.RpsGameUtils.*;
public class MainActivity extends FragmentActivity {
static final int RPS = 0;
static final int SETTINGS = 1;
static final int CONTENT = 2;
static final int FRAGMENT_COUNT = CONTENT +1;
private Fragment[] fragments = new Fragment[FRAGMENT_COUNT];
private MenuItem settings;
private MenuItem friends;
private MenuItem share;
private boolean isResumed = false;
private UiLifecycleHelper uiHelper;
private Session.StatusCallback callback = new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state, Exception exception) {
onSessionStateChange(session, state, exception);
}
};
private boolean hasNativeLink = false;
// the deep link url should be of the form http://some.path?fb_object_id=xxxxxxxxxx
private Pattern deepLinkPattern = Pattern.compile(".*fb_object_id=(\\d*)");
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
uiHelper = new UiLifecycleHelper(this, callback);
uiHelper.onCreate(savedInstanceState);
setContentView(R.layout.main);
FragmentManager fm = getSupportFragmentManager();
fragments[RPS] = fm.findFragmentById(R.id.rps_fragment);
fragments[SETTINGS] = fm.findFragmentById(R.id.settings_fragment);
fragments[CONTENT] = fm.findFragmentById(R.id.content_fragment);
FragmentTransaction transaction = fm.beginTransaction();
for(int i = 0; i < fragments.length; i++) {
transaction.hide(fragments[i]);
}
transaction.commit();
hasNativeLink = handleNativeLink();
}
@Override
public void onResume() {
super.onResume();
uiHelper.onResume();
isResumed = true;
// Call the 'activateApp' method to log an app event for use in analytics and advertising reporting. Do so in
// the onResume methods of the primary Activities that an app may be launched into.
AppEventsLogger.activateApp(this);
}
@Override
public void onPause() {
super.onPause();
uiHelper.onPause();
isResumed = false;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
uiHelper.onActivityResult(requestCode, resultCode, data);
}
@Override
public void onDestroy() {
super.onDestroy();
uiHelper.onDestroy();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
uiHelper.onSaveInstanceState(outState);
}
@Override
protected void onResumeFragments() {
super.onResumeFragments();
if (hasNativeLink) {
showFragment(CONTENT, false);
hasNativeLink = false;
} else {
showFragment(RPS, false);
}
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// only add the menu when the selection fragment is showing
if (fragments[RPS].isVisible()) {
if (menu.size() == 0) {
share = menu.add(R.string.share_on_facebook);
friends = menu.add(R.string.see_friends);
settings = menu.add(R.string.check_settings);
}
return true;
} else {
menu.clear();
settings = null;
}
return false;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.equals(settings)) {
showFragment(SETTINGS, true);
return true;
} else if (item.equals(friends)) {
Intent intent = new Intent();
intent.setClass(this, FriendActivity.class);
startActivity(intent);
return true;
} else if (item.equals(share)) {
RpsFragment fragment = (RpsFragment) fragments[RPS];
fragment.shareUsingNativeDialog();
return true;
}
return false;
}
private boolean handleNativeLink() {
Session existingSession = Session.getActiveSession();
// If we have a valid existing session, we'll use it; if not, open one using the provided Intent
// but do not cache the token (we don't want to use the same user identity the next time the
// app is run).
if (existingSession == null || !existingSession.isOpened()) {
AccessToken accessToken = AccessToken.createFromNativeLinkingIntent(getIntent());
if (accessToken != null) {
Session newSession = new Session.Builder(this).setTokenCachingStrategy(new NonCachingTokenCachingStrategy())
.build();
newSession.open(accessToken, null);
Session.setActiveSession(newSession);
}
}
// See if we have a deep link in addition.
int deepLinkContent = getDeepLinkContent(getIntent().getData());
if (deepLinkContent != INVALID_CHOICE) {
ContentFragment fragment = (ContentFragment) fragments[CONTENT];
fragment.setContentIndex(deepLinkContent);
return true;
}
return false;
}
private int getDeepLinkContent(Uri deepLinkUri) {
if (deepLinkUri != null) {
String deepLink = deepLinkUri.toString();
Matcher matcher = deepLinkPattern.matcher(deepLink);
if (matcher.matches()) {
String objectId = matcher.group(1);
for (int i = 0; i < CommonObjects.BUILT_IN_OPEN_GRAPH_OBJECTS.length; i++) {
if (CommonObjects.BUILT_IN_OPEN_GRAPH_OBJECTS[i].equals(objectId)) {
return i;
}
}
}
}
return INVALID_CHOICE;
}
private void onSessionStateChange(Session session, SessionState state, Exception exception) {
if (isResumed) {
if (exception != null && !(exception instanceof FacebookOperationCanceledException)) {
Toast.makeText(this, R.string.login_error, Toast.LENGTH_SHORT).show();
return;
}
if (session.isClosed()) {
showFragment(RPS, false);
}
}
}
void showFragment(int fragmentIndex, boolean addToBackStack) {
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction transaction = fm.beginTransaction();
if (addToBackStack) {
transaction.addToBackStack(null);
} else {
int backStackSize = fm.getBackStackEntryCount();
for (int i = 0; i < backStackSize; i++) {
fm.popBackStack();
}
}
for (int i = 0; i < fragments.length; i++) {
if (i == fragmentIndex) {
transaction.show(fragments[i]);
} else {
transaction.hide(fragments[i]);
}
}
transaction.commit();
}
}