boolean showFragment(Fragment fragment, String ftag, FragType type, int anim) {
FragmentManager fragmentManager = MainActivity.getInstance().getSupportFragmentManager();
if (getFragment(ftag) != null) {
StringBuilder sb = new StringBuilder();
sb.append("Fragment:");
sb.append(fragment.getClass().getName());
sb.append(" Tag:");
sb.append(ftag);
sb.append(" has exist!");
return false;
}
FragmentTransaction transaction = fragmentManager.beginTransaction();
if (anim != 0) transaction.setCustomAnimations(anim, 0);
transaction.add(R.id.main_frame, fragment, ftag);
// 只保留当前层和其下一�?
if (fragmentStack.size() > 1)
transaction.hide(fragmentStack.get(fragmentStack.size() - 2).second);
transaction.setTransition(FragmentTransaction.TRANSIT_NONE);
transaction.addToBackStack(ftag);
pushFragment(fragment, ftag);
transaction.commitAllowingStateLoss();
return true;
}
private void clearBackStack() {
FragmentManager fragmentManager = MainActivity.getInstance().getSupportFragmentManager();
int count = fragmentManager.getBackStackEntryCount();
if (count > 0) {
BackStackEntry entry = fragmentManager.getBackStackEntryAt(0);
fragmentManager.popBackStack(entry.getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
popAllFragment();
}
}
public boolean closeFragment() {
try {
FragmentManager fragmentManager = MainActivity.getInstance().getSupportFragmentManager();
int count = fragmentManager.getBackStackEntryCount();
if (count > 0) {
BackStackEntry entry = fragmentManager.getBackStackEntryAt(count - 1);
fragmentManager.popBackStack(entry.getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
popFragment(1);
return true;
}
} catch (Exception e) {
}
return false;
}
private boolean naviMainFragment(String ftag) {
FragmentManager fragmentManager = MainActivity.getInstance().getSupportFragmentManager();
int count = fragmentManager.getBackStackEntryCount();
for (int i = 0; i < count; i++) {
BackStackEntry entry = fragmentManager.getBackStackEntryAt(i);
if (entry != null && !TextUtils.isEmpty(ftag) && entry.getName().contains(ftag)) {
if (i < count - 1) {
BackStackEntry topEntry = fragmentManager.getBackStackEntryAt(i + 1);
fragmentManager.popBackStack(topEntry.getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
popFragment(fragmentStack.size() - i - 1);
}
return true;
}
}
return false;
}