public void remove() {
FragmentElement lastFragment = popInternal();
if (lastFragment != null) {
FragmentTransaction transaction = fm.beginTransaction();
transaction.remove(lastFragment.getFragment());
transaction.commitAllowingStateLoss();
}
}
public FragmentElement popAndReplace(@IdRes int place) {
hide();
FragmentElement pop = pop();
if (pop != null) {
replace(place, pop.getFragment(), pop.getName(), pop.isAddtoBackStack());
}
return pop;
}
public FragmentElement popAndShow() {
hide();
FragmentElement pop = pop();
if (pop != null) {
show(pop.getFragment(), pop.getName(), pop.isAddtoBackStack());
}
return pop;
}
public void onResume() {
FragmentElement fragmentElement = popInternal();
if (fragmentElement != null) {
show(
fragmentElement.getFragment(),
fragmentElement.getName(),
fragmentElement.isAddtoBackStack());
}
}
public FragmentElement peek() {
FragmentElement lastFragment = fragments.isEmpty() ? null : fragments.elementAt(0);
int i = 1;
int max = fragments.size();
while (i < max && (lastFragment != null && !lastFragment.isAddtoBackStack())) {
lastFragment = fragments.isEmpty() ? null : fragments.elementAt(i);
i++;
}
return i < max ? lastFragment : null;
}
public void clear() {
FragmentElement fragmentElement = popInternal();
while (fragmentElement != null) {
hide(fragmentElement.getFragment());
fragmentElement = popInternal();
}
int backStackSize = fm.getBackStackEntryCount();
for (int i = 0; i < backStackSize; i++) {
fm.popBackStack();
}
}
public FragmentElement pop() {
FragmentElement last = lastShownFragment();
FragmentElement lastFragment = popInternal();
while ((lastFragment != null && !lastFragment.isAddtoBackStack())
|| (lastFragment != null && lastFragment.equals(last))) {
lastFragment = popInternal();
}
if (lastFragment != null) {
lastFragment.setPopped(true);
}
return lastFragment;
}
/**
* Instantiate or reattach existing Fragment
*
* @param context context
* @param manager fragment manager
* @param tx existing transaction
* @param containerId container
* @param info fragment definition
*/
public static void addOrAttachFragment(
Context context,
FragmentManager manager,
FragmentTransaction tx,
int containerId,
FragmentElement element) {
if (element.fragment == null) element.fragment = manager.findFragmentByTag(element.name);
if (element.fragment == null) {
Log.v("FragmentManager", "Instantiated new Fragment: " + element.name);
tx.add(containerId, element.instantiate(context), element.name);
} else {
Log.v("FragmentManager", "Reattaching existing Fragment: " + element.name);
tx.attach(element.fragment);
}
}
/**
* Remove existing fragment with same tag and add new one.
*
* @param context context
* @param manager fragment manager
* @param tx existing transaction
* @param containerId container
* @param info fragment definition
*/
public static void addFragment(
Context context,
FragmentManager manager,
FragmentTransaction tx,
int containerId,
FragmentElement element) {
Fragment existing = manager.findFragmentByTag(element.name);
if (existing != null) tx.remove(existing);
Log.d("FragmentManager", "Instantiated new Fragment: " + element.name);
tx.add(containerId, element.instantiate(context), element.name);
}
public void hide() {
FragmentElement lastFragment = lastShownFragment();
if (lastFragment != null) {
hide(lastFragment.getFragment());
}
}
