package android.support.v4.app; import org.holoeverywhere.LayoutInflater; import android.content.Context; import android.content.ContextWrapper; import android.content.res.TypedArray; import android.support.v4.app.FragmentActivity.FragmentTag; import android.util.AttributeSet; import android.view.View; import android.view.ViewGroup; public class _HoloFragmentInflater { private static View inflate(AttributeSet attrs, View parent, FragmentActivity activity, Fragment parentFragment) { String fname = attrs.getAttributeValue(null, "class"); TypedArray a = activity.obtainStyledAttributes(attrs, FragmentTag.Fragment); if (fname == null) { fname = a.getString(FragmentTag.Fragment_name); } if (fname.startsWith(".")) { fname = activity.getPackageName() + fname; } int id = a.getResourceId(FragmentTag.Fragment_id, View.NO_ID); String tag = a.getString(FragmentTag.Fragment_tag); a.recycle(); int containerId = parent != null ? parent.getId() : 0; if (containerId == View.NO_ID && id == View.NO_ID && tag == null) { throw new IllegalArgumentException( attrs.getPositionDescription() + ": Must specify unique android:id, android:tag, or have a parent with an id for " + fname); } FragmentManagerImpl impl = obtainFragmentManager(activity, parentFragment); Fragment fragment = id != View.NO_ID ? impl.findFragmentById(id) : null; if (fragment == null && tag != null) { fragment = impl.findFragmentByTag(tag); } if (fragment == null && containerId != View.NO_ID) { fragment = impl.findFragmentById(containerId); } if (fragment == null) { fragment = Fragment.instantiate(activity, fname); fragment.mParentFragment = parentFragment; fragment.mActivity = activity; fragment.mFromLayout = true; fragment.mFragmentId = id != 0 ? id : containerId; fragment.mContainer = (ViewGroup) parent; fragment.mContainerId = containerId; fragment.mTag = tag; fragment.mInLayout = true; fragment.mFragmentManager = impl; fragment.onInflate(activity, attrs, fragment.mSavedFragmentState); impl.addFragment(fragment, true); } else if (fragment.mInLayout) { throw new IllegalArgumentException(attrs.getPositionDescription() + ": Duplicate id 0x" + Integer.toHexString(id) + ", tag " + tag + ", or parent id 0x" + Integer.toHexString(containerId) + " with another fragment for " + fname); } else { fragment.mInLayout = true; if (!fragment.mRetaining) { fragment.onInflate(activity, attrs, fragment.mSavedFragmentState); } impl.moveToState(fragment); } if (fragment.mView == null) { throw new IllegalStateException("Fragment " + fname + " did not create a view."); } if (id != 0) { fragment.mView.setId(id); } if (fragment.mView.getTag() == null) { fragment.mView.setTag(tag); } return fragment.mView; } public static View inflate(LayoutInflater layoutInflater, AttributeSet attrs, View parent, Fragment fragment) { FragmentActivity activity = layoutInflater.getFragmentActivity(); if (activity != null) { return inflate(attrs, parent, activity, fragment); } Context context = layoutInflater.getContext(); while (context instanceof ContextWrapper) { if (context instanceof FragmentActivity) { activity = (FragmentActivity) context; break; } context = ((ContextWrapper) context).getBaseContext(); } if (activity == null) { throw new IllegalStateException("Cannot find any reference to FragmentActivity"); } return inflate(attrs, parent, activity, fragment); } private static FragmentManagerImpl obtainFragmentManager(FragmentActivity activity, Fragment fragment) { FragmentManagerImpl fm = null; if (fragment != null) { fm = fragment.mChildFragmentManager; if (fm == null) { try { fm = (FragmentManagerImpl) fragment.getChildFragmentManager(); } catch (ClassCastException e) { fm = fragment.mChildFragmentManager; } } } if (fm == null && activity != null) { fm = activity.mFragments; } return fm; } }