Source code
package android.support.v4.view;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.LayoutInflater.Factory;
import android.view.LayoutInflater.Factory2;
import android.view.View;
import java.lang.reflect.Field;
class LayoutInflaterCompatHC {
private static final String TAG = "LayoutInflaterCompatHC";
private static boolean sCheckedField;
private static Field sLayoutInflaterFactory2Field;
static class FactoryWrapperHC extends FactoryWrapper implements Factory2 {
FactoryWrapperHC(LayoutInflaterFactory delegateFactory) {
super(delegateFactory);
}
public View onCreateView(View parent, String name, Context context, AttributeSet attributeSet) {
return this.mDelegateFactory.onCreateView(parent, name, context, attributeSet);
}
}
LayoutInflaterCompatHC() {
}
static void setFactory(LayoutInflater inflater, LayoutInflaterFactory factory) {
Factory2 factory2 = factory != null ? new FactoryWrapperHC(factory) : null;
inflater.setFactory2(factory2);
Factory f = inflater.getFactory();
if (f instanceof Factory2) {
forceSetFactory2(inflater, (Factory2) f);
} else {
forceSetFactory2(inflater, factory2);
}
}
static void forceSetFactory2(LayoutInflater inflater, Factory2 factory) {
if (!sCheckedField) {
try {
sLayoutInflaterFactory2Field = LayoutInflater.class.getDeclaredField("mFactory2");
sLayoutInflaterFactory2Field.setAccessible(true);
} catch (NoSuchFieldException e) {
Log.e(TAG, "forceSetFactory2 Could not find field 'mFactory2' on class " + LayoutInflater.class.getName() + "; inflation may have unexpected results.", e);
}
sCheckedField = true;
}
if (sLayoutInflaterFactory2Field != null) {
try {
sLayoutInflaterFactory2Field.set(inflater, factory);
} catch (IllegalAccessException e2) {
Log.e(TAG, "forceSetFactory2 could not set the Factory2 on LayoutInflater " + inflater + "; inflation may have unexpected results.", e2);
}
}
}
}