ADD week 5
This commit is contained in:
		| @@ -0,0 +1,203 @@ | ||||
| package androidx.fragment.app; | ||||
|  | ||||
| import android.os.Bundle; | ||||
| import android.os.Parcelable; | ||||
| import android.util.Log; | ||||
| import android.view.View; | ||||
| import android.view.ViewGroup; | ||||
| import androidx.fragment.app.Fragment; | ||||
| import androidx.lifecycle.Lifecycle; | ||||
| import androidx.viewpager.widget.PagerAdapter; | ||||
| import java.util.ArrayList; | ||||
|  | ||||
| @Deprecated | ||||
| /* loaded from: classes.dex */ | ||||
| public abstract class FragmentStatePagerAdapter extends PagerAdapter { | ||||
|     public static final int BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT = 1; | ||||
|  | ||||
|     @Deprecated | ||||
|     public static final int BEHAVIOR_SET_USER_VISIBLE_HINT = 0; | ||||
|     private static final boolean DEBUG = false; | ||||
|     private static final String TAG = "FragmentStatePagerAdapt"; | ||||
|     private final int mBehavior; | ||||
|     private FragmentTransaction mCurTransaction; | ||||
|     private Fragment mCurrentPrimaryItem; | ||||
|     private boolean mExecutingFinishUpdate; | ||||
|     private final FragmentManager mFragmentManager; | ||||
|     private ArrayList<Fragment> mFragments; | ||||
|     private ArrayList<Fragment.SavedState> mSavedState; | ||||
|  | ||||
|     public abstract Fragment getItem(int i); | ||||
|  | ||||
|     @Deprecated | ||||
|     public FragmentStatePagerAdapter(FragmentManager fragmentManager) { | ||||
|         this(fragmentManager, 0); | ||||
|     } | ||||
|  | ||||
|     public FragmentStatePagerAdapter(FragmentManager fragmentManager, int i) { | ||||
|         this.mCurTransaction = null; | ||||
|         this.mSavedState = new ArrayList<>(); | ||||
|         this.mFragments = new ArrayList<>(); | ||||
|         this.mCurrentPrimaryItem = null; | ||||
|         this.mFragmentManager = fragmentManager; | ||||
|         this.mBehavior = i; | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.viewpager.widget.PagerAdapter | ||||
|     public void startUpdate(ViewGroup viewGroup) { | ||||
|         if (viewGroup.getId() != -1) { | ||||
|             return; | ||||
|         } | ||||
|         throw new IllegalStateException("ViewPager with adapter " + this + " requires a view id"); | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.viewpager.widget.PagerAdapter | ||||
|     public Object instantiateItem(ViewGroup viewGroup, int i) { | ||||
|         Fragment.SavedState savedState; | ||||
|         Fragment fragment; | ||||
|         if (this.mFragments.size() > i && (fragment = this.mFragments.get(i)) != null) { | ||||
|             return fragment; | ||||
|         } | ||||
|         if (this.mCurTransaction == null) { | ||||
|             this.mCurTransaction = this.mFragmentManager.beginTransaction(); | ||||
|         } | ||||
|         Fragment item = getItem(i); | ||||
|         if (this.mSavedState.size() > i && (savedState = this.mSavedState.get(i)) != null) { | ||||
|             item.setInitialSavedState(savedState); | ||||
|         } | ||||
|         while (this.mFragments.size() <= i) { | ||||
|             this.mFragments.add(null); | ||||
|         } | ||||
|         item.setMenuVisibility(false); | ||||
|         if (this.mBehavior == 0) { | ||||
|             item.setUserVisibleHint(false); | ||||
|         } | ||||
|         this.mFragments.set(i, item); | ||||
|         this.mCurTransaction.add(viewGroup.getId(), item); | ||||
|         if (this.mBehavior == 1) { | ||||
|             this.mCurTransaction.setMaxLifecycle(item, Lifecycle.State.STARTED); | ||||
|         } | ||||
|         return item; | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.viewpager.widget.PagerAdapter | ||||
|     public void destroyItem(ViewGroup viewGroup, int i, Object obj) { | ||||
|         Fragment fragment = (Fragment) obj; | ||||
|         if (this.mCurTransaction == null) { | ||||
|             this.mCurTransaction = this.mFragmentManager.beginTransaction(); | ||||
|         } | ||||
|         while (this.mSavedState.size() <= i) { | ||||
|             this.mSavedState.add(null); | ||||
|         } | ||||
|         this.mSavedState.set(i, fragment.isAdded() ? this.mFragmentManager.saveFragmentInstanceState(fragment) : null); | ||||
|         this.mFragments.set(i, null); | ||||
|         this.mCurTransaction.remove(fragment); | ||||
|         if (fragment.equals(this.mCurrentPrimaryItem)) { | ||||
|             this.mCurrentPrimaryItem = null; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.viewpager.widget.PagerAdapter | ||||
|     public void setPrimaryItem(ViewGroup viewGroup, int i, Object obj) { | ||||
|         Fragment fragment = (Fragment) obj; | ||||
|         Fragment fragment2 = this.mCurrentPrimaryItem; | ||||
|         if (fragment != fragment2) { | ||||
|             if (fragment2 != null) { | ||||
|                 fragment2.setMenuVisibility(false); | ||||
|                 if (this.mBehavior == 1) { | ||||
|                     if (this.mCurTransaction == null) { | ||||
|                         this.mCurTransaction = this.mFragmentManager.beginTransaction(); | ||||
|                     } | ||||
|                     this.mCurTransaction.setMaxLifecycle(this.mCurrentPrimaryItem, Lifecycle.State.STARTED); | ||||
|                 } else { | ||||
|                     this.mCurrentPrimaryItem.setUserVisibleHint(false); | ||||
|                 } | ||||
|             } | ||||
|             fragment.setMenuVisibility(true); | ||||
|             if (this.mBehavior == 1) { | ||||
|                 if (this.mCurTransaction == null) { | ||||
|                     this.mCurTransaction = this.mFragmentManager.beginTransaction(); | ||||
|                 } | ||||
|                 this.mCurTransaction.setMaxLifecycle(fragment, Lifecycle.State.RESUMED); | ||||
|             } else { | ||||
|                 fragment.setUserVisibleHint(true); | ||||
|             } | ||||
|             this.mCurrentPrimaryItem = fragment; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.viewpager.widget.PagerAdapter | ||||
|     public void finishUpdate(ViewGroup viewGroup) { | ||||
|         FragmentTransaction fragmentTransaction = this.mCurTransaction; | ||||
|         if (fragmentTransaction != null) { | ||||
|             if (!this.mExecutingFinishUpdate) { | ||||
|                 try { | ||||
|                     this.mExecutingFinishUpdate = true; | ||||
|                     fragmentTransaction.commitNowAllowingStateLoss(); | ||||
|                 } finally { | ||||
|                     this.mExecutingFinishUpdate = false; | ||||
|                 } | ||||
|             } | ||||
|             this.mCurTransaction = null; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.viewpager.widget.PagerAdapter | ||||
|     public boolean isViewFromObject(View view, Object obj) { | ||||
|         return ((Fragment) obj).getView() == view; | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.viewpager.widget.PagerAdapter | ||||
|     public Parcelable saveState() { | ||||
|         Bundle bundle; | ||||
|         if (this.mSavedState.size() > 0) { | ||||
|             bundle = new Bundle(); | ||||
|             Fragment.SavedState[] savedStateArr = new Fragment.SavedState[this.mSavedState.size()]; | ||||
|             this.mSavedState.toArray(savedStateArr); | ||||
|             bundle.putParcelableArray("states", savedStateArr); | ||||
|         } else { | ||||
|             bundle = null; | ||||
|         } | ||||
|         for (int i = 0; i < this.mFragments.size(); i++) { | ||||
|             Fragment fragment = this.mFragments.get(i); | ||||
|             if (fragment != null && fragment.isAdded()) { | ||||
|                 if (bundle == null) { | ||||
|                     bundle = new Bundle(); | ||||
|                 } | ||||
|                 this.mFragmentManager.putFragment(bundle, "f" + i, fragment); | ||||
|             } | ||||
|         } | ||||
|         return bundle; | ||||
|     } | ||||
|  | ||||
|     @Override // androidx.viewpager.widget.PagerAdapter | ||||
|     public void restoreState(Parcelable parcelable, ClassLoader classLoader) { | ||||
|         if (parcelable != null) { | ||||
|             Bundle bundle = (Bundle) parcelable; | ||||
|             bundle.setClassLoader(classLoader); | ||||
|             Parcelable[] parcelableArray = bundle.getParcelableArray("states"); | ||||
|             this.mSavedState.clear(); | ||||
|             this.mFragments.clear(); | ||||
|             if (parcelableArray != null) { | ||||
|                 for (Parcelable parcelable2 : parcelableArray) { | ||||
|                     this.mSavedState.add((Fragment.SavedState) parcelable2); | ||||
|                 } | ||||
|             } | ||||
|             for (String str : bundle.keySet()) { | ||||
|                 if (str.startsWith("f")) { | ||||
|                     int parseInt = Integer.parseInt(str.substring(1)); | ||||
|                     Fragment fragment = this.mFragmentManager.getFragment(bundle, str); | ||||
|                     if (fragment != null) { | ||||
|                         while (this.mFragments.size() <= parseInt) { | ||||
|                             this.mFragments.add(null); | ||||
|                         } | ||||
|                         fragment.setMenuVisibility(false); | ||||
|                         this.mFragments.set(parseInt, fragment); | ||||
|                     } else { | ||||
|                         Log.w(TAG, "Bad fragment at key " + str); | ||||
|                     } | ||||
|                 } | ||||
|             } | ||||
|         } | ||||
|     } | ||||
| } | ||||
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