Merge pull request #7149 from TacoTheDank/updateFragWorkaround
Update pager workaround code to Fragment 1.3.6
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commit
e0b1a6b88b
1 changed files with 21 additions and 4 deletions
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@ -51,8 +51,12 @@ import java.util.ArrayList;
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* <li>{@link #saveState()}</li>
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* <li>{@link #saveState()}</li>
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* <li>{@link #restoreState(Parcelable, ClassLoader)}</li>
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* <li>{@link #restoreState(Parcelable, ClassLoader)}</li>
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* </ul>
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* </ul>
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*
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* @deprecated Switch to {@link androidx.viewpager2.widget.ViewPager2} and use
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* {@link androidx.viewpager2.adapter.FragmentStateAdapter} instead.
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*/
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*/
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@SuppressWarnings("deprecation")
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@SuppressWarnings("deprecation")
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@Deprecated
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public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapter {
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public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapter {
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private static final String TAG = "FragmentStatePagerAdapt";
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private static final String TAG = "FragmentStatePagerAdapt";
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private static final boolean DEBUG = false;
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private static final boolean DEBUG = false;
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@ -86,9 +90,10 @@ public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapt
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private final int mBehavior;
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private final int mBehavior;
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private FragmentTransaction mCurTransaction = null;
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private FragmentTransaction mCurTransaction = null;
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private final ArrayList<Fragment.SavedState> mSavedState = new ArrayList<Fragment.SavedState>();
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private final ArrayList<Fragment.SavedState> mSavedState = new ArrayList<>();
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private final ArrayList<Fragment> mFragments = new ArrayList<Fragment>();
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private final ArrayList<Fragment> mFragments = new ArrayList<>();
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private Fragment mCurrentPrimaryItem = null;
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private Fragment mCurrentPrimaryItem = null;
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private boolean mExecutingFinishUpdate;
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/**
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/**
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* Constructor for {@link FragmentStatePagerAdapterMenuWorkaround}
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* Constructor for {@link FragmentStatePagerAdapterMenuWorkaround}
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@ -208,7 +213,7 @@ public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapt
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mFragments.set(position, null);
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mFragments.set(position, null);
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mCurTransaction.remove(fragment);
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mCurTransaction.remove(fragment);
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if (fragment == mCurrentPrimaryItem) {
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if (fragment.equals(mCurrentPrimaryItem)) {
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mCurrentPrimaryItem = null;
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mCurrentPrimaryItem = null;
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}
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}
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}
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}
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@ -247,7 +252,19 @@ public abstract class FragmentStatePagerAdapterMenuWorkaround extends PagerAdapt
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@Override
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@Override
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public void finishUpdate(@NonNull final ViewGroup container) {
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public void finishUpdate(@NonNull final ViewGroup container) {
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if (mCurTransaction != null) {
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if (mCurTransaction != null) {
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// We drop any transactions that attempt to be committed
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// from a re-entrant call to finishUpdate(). We need to
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// do this as a workaround for Robolectric running measure/layout
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// calls inline rather than allowing them to be posted
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// as they would on a real device.
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if (!mExecutingFinishUpdate) {
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try {
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mExecutingFinishUpdate = true;
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mCurTransaction.commitNowAllowingStateLoss();
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mCurTransaction.commitNowAllowingStateLoss();
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} finally {
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mExecutingFinishUpdate = false;
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}
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}
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mCurTransaction = null;
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mCurTransaction = null;
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}
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}
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}
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}
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