204 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			204 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| package androidx.fragment.app;
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| 
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| import android.os.Bundle;
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| import android.os.Parcelable;
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| import android.util.Log;
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| import android.view.View;
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| import android.view.ViewGroup;
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| import androidx.fragment.app.Fragment;
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| import androidx.lifecycle.Lifecycle;
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| import androidx.viewpager.widget.PagerAdapter;
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| import java.util.ArrayList;
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| 
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| @Deprecated
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| /* loaded from: classes.dex */
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| public abstract class FragmentStatePagerAdapter extends PagerAdapter {
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|     public static final int BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT = 1;
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| 
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|     @Deprecated
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|     public static final int BEHAVIOR_SET_USER_VISIBLE_HINT = 0;
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|     private static final boolean DEBUG = false;
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|     private static final String TAG = "FragmentStatePagerAdapt";
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|     private final int mBehavior;
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|     private FragmentTransaction mCurTransaction;
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|     private Fragment mCurrentPrimaryItem;
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|     private boolean mExecutingFinishUpdate;
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|     private final FragmentManager mFragmentManager;
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|     private ArrayList<Fragment> mFragments;
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|     private ArrayList<Fragment.SavedState> mSavedState;
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| 
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|     public abstract Fragment getItem(int i);
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| 
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|     @Deprecated
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|     public FragmentStatePagerAdapter(FragmentManager fragmentManager) {
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|         this(fragmentManager, 0);
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|     }
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| 
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|     public FragmentStatePagerAdapter(FragmentManager fragmentManager, int i) {
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|         this.mCurTransaction = null;
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|         this.mSavedState = new ArrayList<>();
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|         this.mFragments = new ArrayList<>();
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|         this.mCurrentPrimaryItem = null;
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|         this.mFragmentManager = fragmentManager;
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|         this.mBehavior = i;
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|     }
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| 
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|     @Override // androidx.viewpager.widget.PagerAdapter
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|     public void startUpdate(ViewGroup viewGroup) {
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|         if (viewGroup.getId() != -1) {
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|             return;
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|         }
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|         throw new IllegalStateException("ViewPager with adapter " + this + " requires a view id");
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|     }
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| 
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|     @Override // androidx.viewpager.widget.PagerAdapter
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|     public Object instantiateItem(ViewGroup viewGroup, int i) {
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|         Fragment.SavedState savedState;
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|         Fragment fragment;
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|         if (this.mFragments.size() > i && (fragment = this.mFragments.get(i)) != null) {
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|             return fragment;
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|         }
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|         if (this.mCurTransaction == null) {
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|             this.mCurTransaction = this.mFragmentManager.beginTransaction();
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|         }
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|         Fragment item = getItem(i);
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|         if (this.mSavedState.size() > i && (savedState = this.mSavedState.get(i)) != null) {
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|             item.setInitialSavedState(savedState);
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|         }
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|         while (this.mFragments.size() <= i) {
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|             this.mFragments.add(null);
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|         }
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|         item.setMenuVisibility(false);
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|         if (this.mBehavior == 0) {
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|             item.setUserVisibleHint(false);
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|         }
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|         this.mFragments.set(i, item);
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|         this.mCurTransaction.add(viewGroup.getId(), item);
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|         if (this.mBehavior == 1) {
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|             this.mCurTransaction.setMaxLifecycle(item, Lifecycle.State.STARTED);
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|         }
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|         return item;
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|     }
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| 
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|     @Override // androidx.viewpager.widget.PagerAdapter
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|     public void destroyItem(ViewGroup viewGroup, int i, Object obj) {
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|         Fragment fragment = (Fragment) obj;
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|         if (this.mCurTransaction == null) {
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|             this.mCurTransaction = this.mFragmentManager.beginTransaction();
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|         }
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|         while (this.mSavedState.size() <= i) {
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|             this.mSavedState.add(null);
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|         }
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|         this.mSavedState.set(i, fragment.isAdded() ? this.mFragmentManager.saveFragmentInstanceState(fragment) : null);
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|         this.mFragments.set(i, null);
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|         this.mCurTransaction.remove(fragment);
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|         if (fragment.equals(this.mCurrentPrimaryItem)) {
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|             this.mCurrentPrimaryItem = null;
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|         }
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|     }
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| 
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|     @Override // androidx.viewpager.widget.PagerAdapter
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|     public void setPrimaryItem(ViewGroup viewGroup, int i, Object obj) {
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|         Fragment fragment = (Fragment) obj;
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|         Fragment fragment2 = this.mCurrentPrimaryItem;
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|         if (fragment != fragment2) {
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|             if (fragment2 != null) {
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|                 fragment2.setMenuVisibility(false);
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|                 if (this.mBehavior == 1) {
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|                     if (this.mCurTransaction == null) {
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|                         this.mCurTransaction = this.mFragmentManager.beginTransaction();
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|                     }
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|                     this.mCurTransaction.setMaxLifecycle(this.mCurrentPrimaryItem, Lifecycle.State.STARTED);
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|                 } else {
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|                     this.mCurrentPrimaryItem.setUserVisibleHint(false);
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|                 }
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|             }
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|             fragment.setMenuVisibility(true);
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|             if (this.mBehavior == 1) {
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|                 if (this.mCurTransaction == null) {
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|                     this.mCurTransaction = this.mFragmentManager.beginTransaction();
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|                 }
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|                 this.mCurTransaction.setMaxLifecycle(fragment, Lifecycle.State.RESUMED);
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|             } else {
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|                 fragment.setUserVisibleHint(true);
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|             }
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|             this.mCurrentPrimaryItem = fragment;
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|         }
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|     }
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| 
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|     @Override // androidx.viewpager.widget.PagerAdapter
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|     public void finishUpdate(ViewGroup viewGroup) {
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|         FragmentTransaction fragmentTransaction = this.mCurTransaction;
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|         if (fragmentTransaction != null) {
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|             if (!this.mExecutingFinishUpdate) {
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|                 try {
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|                     this.mExecutingFinishUpdate = true;
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|                     fragmentTransaction.commitNowAllowingStateLoss();
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|                 } finally {
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|                     this.mExecutingFinishUpdate = false;
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|                 }
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|             }
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|             this.mCurTransaction = null;
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|         }
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|     }
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| 
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|     @Override // androidx.viewpager.widget.PagerAdapter
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|     public boolean isViewFromObject(View view, Object obj) {
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|         return ((Fragment) obj).getView() == view;
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|     }
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| 
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|     @Override // androidx.viewpager.widget.PagerAdapter
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|     public Parcelable saveState() {
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|         Bundle bundle;
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|         if (this.mSavedState.size() > 0) {
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|             bundle = new Bundle();
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|             Fragment.SavedState[] savedStateArr = new Fragment.SavedState[this.mSavedState.size()];
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|             this.mSavedState.toArray(savedStateArr);
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|             bundle.putParcelableArray("states", savedStateArr);
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|         } else {
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|             bundle = null;
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|         }
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|         for (int i = 0; i < this.mFragments.size(); i++) {
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|             Fragment fragment = this.mFragments.get(i);
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|             if (fragment != null && fragment.isAdded()) {
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|                 if (bundle == null) {
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|                     bundle = new Bundle();
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|                 }
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|                 this.mFragmentManager.putFragment(bundle, "f" + i, fragment);
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|             }
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|         }
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|         return bundle;
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|     }
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| 
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|     @Override // androidx.viewpager.widget.PagerAdapter
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|     public void restoreState(Parcelable parcelable, ClassLoader classLoader) {
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|         if (parcelable != null) {
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|             Bundle bundle = (Bundle) parcelable;
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|             bundle.setClassLoader(classLoader);
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|             Parcelable[] parcelableArray = bundle.getParcelableArray("states");
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|             this.mSavedState.clear();
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|             this.mFragments.clear();
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|             if (parcelableArray != null) {
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|                 for (Parcelable parcelable2 : parcelableArray) {
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|                     this.mSavedState.add((Fragment.SavedState) parcelable2);
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|                 }
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|             }
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|             for (String str : bundle.keySet()) {
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|                 if (str.startsWith("f")) {
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|                     int parseInt = Integer.parseInt(str.substring(1));
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|                     Fragment fragment = this.mFragmentManager.getFragment(bundle, str);
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|                     if (fragment != null) {
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|                         while (this.mFragments.size() <= parseInt) {
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|                             this.mFragments.add(null);
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|                         }
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|                         fragment.setMenuVisibility(false);
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|                         this.mFragments.set(parseInt, fragment);
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|                     } else {
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|                         Log.w(TAG, "Bad fragment at key " + str);
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|                     }
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|                 }
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|             }
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|         }
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|     }
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| }
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