@Override
public void onBackStackChanged() {
if (mIgnoreBackStack || mCurrentPage < 0 || mCurrentPage >= mItems.size()) {
return;
}
SliderItem item = mItems.get(mCurrentPage);
WeakReference<Fragment> ref = item.mLastFragment;
Fragment fragment = ref == null ? null : ref.get();
if (fragment == null || !item.mSaveState) {
return;
}
if (fragment.isAdded() && fragment.isDetached() && !fragment.isVisible()) {
item.mSavedState = mFragmentManager.saveFragmentInstanceState(fragment);
}
}
@Override
public void onDestroyView() {
mList = null;
mHandler.removeCallbacks(mRequestFocus);
mHandler.removeMessages(PreferenceFragment.MSG_BIND_PREFERENCES);
super.onDestroyView();
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mPreferenceManager =
new PreferenceManager(getSupportActivity(), PreferenceFragment.FIRST_REQUEST_CODE);
mPreferenceManager.setFragment(this);
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
final PreferenceScreen preferenceScreen = getPreferenceScreen();
if (preferenceScreen != null) {
Bundle container = new Bundle();
preferenceScreen.saveHierarchyState(container);
outState.putBundle(PreferenceFragment.PREFERENCES_TAG, container);
}
}
private void changePage(int position, SliderItem item) {
mIgnoreBackStack = true;
if (mCurrentPage >= 0) {
final SliderItem lastItem = mAdapter.getItem(mCurrentPage);
final WeakReference<Fragment> ref = lastItem.mLastFragment;
final Fragment fragment = ref == null ? null : ref.get();
if (fragment != null && fragment.isAdded() && lastItem.mSaveState) {
if (!fragment.isDetached()) {
mFragmentManager.beginTransaction().detach(fragment).commit();
mFragmentManager.executePendingTransactions();
}
lastItem.mSavedState = mFragmentManager.saveFragmentInstanceState(fragment);
}
}
mCurrentPage = position;
mAdapter.notifyDataSetInvalidated();
while (mFragmentManager.popBackStackImmediate()) {}
final Fragment fragment = Fragment.instantiate(item.mFragmentClass);
if (item.mSavedState != null) {
fragment.setInitialSavedState(item.mSavedState);
}
item.mLastFragment = new WeakReference<Fragment>(fragment);
replaceFragment(mFragmentManager, fragment);
mIgnoreBackStack = false;
}
public void onClick(View view) {
FragmentManager fm = getSupportFragmentManager();
while (fm.popBackStackImmediate()) {
fm.executePendingTransactions();
}
replaceFragment(Fragment.instantiate(clazz));
fm.executePendingTransactions();
postDelayed(
new Runnable() {
@Override
public void run() {
requireSlidingMenu().showContent();
}
},
100);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (mHavePrefs) {
bindPreferences();
}
mInitDone = true;
if (savedInstanceState != null) {
Bundle container = savedInstanceState.getBundle(PreferenceFragment.PREFERENCES_TAG);
if (container != null) {
final PreferenceScreen preferenceScreen = getPreferenceScreen();
if (preferenceScreen != null) {
preferenceScreen.restoreHierarchyState(container);
}
}
}
}
/**
* This method deletes all reference to a {@link Context} so {@link Activity} could be properly
* recreated
*/
@Override
public void onDestroyView() {
selectorBegin = textSelector.getBeginObject();
selectorEnd = textSelector.getEndObject();
selectorNoBegin = textSelector.isNoBegin();
selectorNoEnd = textSelector.isNoEnd();
if (mode != null) {
mode.finish();
mode = null;
}
super.onDestroyView();
menu.destroyViews();
editorScrollX = board.getEditorScrollX();
editorScrollY = board.getEditorScrollY();
lines = board.getLines();
board.destroyViews();
board = null;
textSelector.destroy();
textSelector = null;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
@Override
public void onStop() {
super.onStop();
mPreferenceManager.dispatchActivityStop();
mPreferenceManager.setOnPreferenceTreeClickListener(null);
}
@Override
public void onStart() {
super.onStart();
mPreferenceManager.setOnPreferenceTreeClickListener(this);
}
@Override
public void onDestroy() {
super.onDestroy();
mPreferenceManager.dispatchActivityDestroy();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
mPreferenceManager.dispatchActivityResult(requestCode, resultCode, data);
}
