@Override
public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
Object tag = tab.getTag();
for (int i = 0; i < mTabs.size(); i++) {
if (mTabs.get(i) == tag) {
mViewPager.setCurrentItem(i);
}
}
}
@Override
public Fragment getItem(int i) {
if (tabsDisabled) {
return savedFragment;
} else {
ActionBar.Tab tab = actionBar.getTabAt(i);
TiUIActionBarTab tabView = (TiUIActionBarTab) tab.getTag();
if (tabView.fragment == null) {
tabView.initializeFragment();
}
return tabView.fragment;
}
}
public void disableTabNavigation(boolean disable) {
if (disable && actionBar.getNavigationMode() == ActionBar.NAVIGATION_MODE_TABS) {
savedSwipeable = swipeable;
swipeable = false;
ActionBar.Tab tab = actionBar.getSelectedTab();
if (tab == null) {
Log.e(TAG, "No selected tab when trying to disable Tab Navigation");
return;
}
TiUIActionBarTab tabView = (TiUIActionBarTab) tab.getTag();
savedFragment = tabView.fragment;
tabsDisabled = true;
tabGroupPagerAdapter.notifyDataSetChanged();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
} else if (!disable && actionBar.getNavigationMode() == ActionBar.NAVIGATION_MODE_STANDARD) {
tabsDisabled = false;
savedFragment = null;
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
tabGroupPagerAdapter.notifyDataSetChanged();
swipeable = savedSwipeable;
}
}
@Override
public TabProxy getSelectedTab() {
ActionBar.Tab tab;
try {
tab = actionBar.getSelectedTab();
} catch (NullPointerException e) {
// This is a workaround for AppCompat actionbar 4.0+. There is a bug in AppCompat source that
// will cause a null pointer exception if no tab is selected instead of returning null. See
// source at:
// https://android.googlesource.com/platform/frameworks/support/+/89208232f3b5d1451408d787872504a190bc7ee0/v7/appcompat/src/android/support/v7/app/ActionBarImplICS.java
// line 259.
tab = null;
}
if (tab == null) {
// There is no selected tab currently for this action bar.
// This probably means the tab group contains no tabs.
return null;
}
TiUIActionBarTab tabView = (TiUIActionBarTab) tab.getTag();
return (TabProxy) tabView.getProxy();
}