108 lines
5.4 KiB
Java
108 lines
5.4 KiB
Java
package androidx.fragment.app;
|
|
|
|
import android.content.Context;
|
|
import android.content.res.TypedArray;
|
|
import android.util.AttributeSet;
|
|
import android.util.Log;
|
|
import android.view.LayoutInflater;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
import androidx.annotation.NonNull;
|
|
import androidx.annotation.Nullable;
|
|
import androidx.fragment.R;
|
|
import c.d.b.a.a;
|
|
public class FragmentLayoutInflaterFactory implements LayoutInflater.Factory2 {
|
|
private static final String TAG = "FragmentManager";
|
|
private final FragmentManager mFragmentManager;
|
|
|
|
public FragmentLayoutInflaterFactory(FragmentManager fragmentManager) {
|
|
this.mFragmentManager = fragmentManager;
|
|
}
|
|
|
|
@Override // android.view.LayoutInflater.Factory2
|
|
@Nullable
|
|
public View onCreateView(@Nullable View view, @NonNull String str, @NonNull Context context, @NonNull AttributeSet attributeSet) {
|
|
FragmentStateManager fragmentStateManager;
|
|
if (FragmentContainerView.class.getName().equals(str)) {
|
|
return new FragmentContainerView(context, attributeSet, this.mFragmentManager);
|
|
}
|
|
Fragment fragment = null;
|
|
if (!"fragment".equals(str)) {
|
|
return null;
|
|
}
|
|
String attributeValue = attributeSet.getAttributeValue(null, "class");
|
|
TypedArray obtainStyledAttributes = context.obtainStyledAttributes(attributeSet, R.styleable.Fragment);
|
|
if (attributeValue == null) {
|
|
attributeValue = obtainStyledAttributes.getString(R.styleable.Fragment_android_name);
|
|
}
|
|
int resourceId = obtainStyledAttributes.getResourceId(R.styleable.Fragment_android_id, -1);
|
|
String string = obtainStyledAttributes.getString(R.styleable.Fragment_android_tag);
|
|
obtainStyledAttributes.recycle();
|
|
if (attributeValue == null || !FragmentFactory.isFragmentClass(context.getClassLoader(), attributeValue)) {
|
|
return null;
|
|
}
|
|
int id2 = view != null ? view.getId() : 0;
|
|
if (id2 == -1 && resourceId == -1 && string == null) {
|
|
throw new IllegalArgumentException(attributeSet.getPositionDescription() + ": Must specify unique android:id, android:tag, or have a parent with an id for " + attributeValue);
|
|
}
|
|
if (resourceId != -1) {
|
|
fragment = this.mFragmentManager.findFragmentById(resourceId);
|
|
}
|
|
if (fragment == null && string != null) {
|
|
fragment = this.mFragmentManager.findFragmentByTag(string);
|
|
}
|
|
if (fragment == null && id2 != -1) {
|
|
fragment = this.mFragmentManager.findFragmentById(id2);
|
|
}
|
|
if (fragment == null) {
|
|
fragment = this.mFragmentManager.getFragmentFactory().instantiate(context.getClassLoader(), attributeValue);
|
|
fragment.mFromLayout = true;
|
|
fragment.mFragmentId = resourceId != 0 ? resourceId : id2;
|
|
fragment.mContainerId = id2;
|
|
fragment.mTag = string;
|
|
fragment.mInLayout = true;
|
|
FragmentManager fragmentManager = this.mFragmentManager;
|
|
fragment.mFragmentManager = fragmentManager;
|
|
fragment.mHost = fragmentManager.getHost();
|
|
fragment.onInflate(this.mFragmentManager.getHost().getContext(), attributeSet, fragment.mSavedFragmentState);
|
|
fragmentStateManager = this.mFragmentManager.createOrGetFragmentStateManager(fragment);
|
|
this.mFragmentManager.addFragment(fragment);
|
|
if (FragmentManager.isLoggingEnabled(2)) {
|
|
Log.v("FragmentManager", "Fragment " + fragment + " has been inflated via the <fragment> tag: id=0x" + Integer.toHexString(resourceId));
|
|
}
|
|
} else if (!fragment.mInLayout) {
|
|
fragment.mInLayout = true;
|
|
FragmentManager fragmentManager2 = this.mFragmentManager;
|
|
fragment.mFragmentManager = fragmentManager2;
|
|
fragment.mHost = fragmentManager2.getHost();
|
|
fragment.onInflate(this.mFragmentManager.getHost().getContext(), attributeSet, fragment.mSavedFragmentState);
|
|
fragmentStateManager = this.mFragmentManager.createOrGetFragmentStateManager(fragment);
|
|
if (FragmentManager.isLoggingEnabled(2)) {
|
|
Log.v("FragmentManager", "Retained Fragment " + fragment + " has been re-attached via the <fragment> tag: id=0x" + Integer.toHexString(resourceId));
|
|
}
|
|
} else {
|
|
throw new IllegalArgumentException(attributeSet.getPositionDescription() + ": Duplicate id 0x" + Integer.toHexString(resourceId) + ", tag " + string + ", or parent id 0x" + Integer.toHexString(id2) + " with another fragment for " + attributeValue);
|
|
}
|
|
fragment.mContainer = (ViewGroup) view;
|
|
fragmentStateManager.moveToExpectedState();
|
|
fragmentStateManager.ensureInflatedView();
|
|
View view2 = fragment.mView;
|
|
if (view2 != null) {
|
|
if (resourceId != 0) {
|
|
view2.setId(resourceId);
|
|
}
|
|
if (fragment.mView.getTag() == null) {
|
|
fragment.mView.setTag(string);
|
|
}
|
|
return fragment.mView;
|
|
}
|
|
throw new IllegalStateException(a.u("Fragment ", attributeValue, " did not create a view."));
|
|
}
|
|
|
|
@Override // android.view.LayoutInflater.Factory
|
|
@Nullable
|
|
public View onCreateView(@NonNull String str, @NonNull Context context, @NonNull AttributeSet attributeSet) {
|
|
return onCreateView(null, str, context, attributeSet);
|
|
}
|
|
}
|