Example usage for android.support.v4.app FragmentManager saveFragmentInstanceState

Introduction

In this page you can find the example usage for android.support.v4.app FragmentManager saveFragmentInstanceState.

Prototype

public abstract Fragment.SavedState saveFragmentInstanceState(Fragment f);

Source Link

Document

Save the current instance state of the given Fragment.

Usage

From source file:com.jetradar.multibackstack.BackStackEntry.java

@NonNull
public static BackStackEntry create(@NonNull FragmentManager fm, @NonNull Fragment f) {
    String fname = f.getClass().getName();
    SavedState state = fm.saveFragmentInstanceState(f);
    Bundle args = f.getArguments();//from w  w w  .j av a2 s.  c  om
    return new BackStackEntry(fname, state, args);
}

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From source file:com.scvngr.levelup.core.test.TestThreadingUtils.java

/**
 * Saves a {@link Fragment} to instance state, removes it from the activity. Then creates a new
 * one of the same class, restores the instance state, and re-adds it to the activity.
 *
 * @param <T> the type of Fragment
 * @param instrumentation the test {@link Instrumentation}.
 * @param activity the {@link FragmentActivity} to add it to.
 * @param fragment Fragment to remove and re-add.
 * @return the new instance of the input fragment created using the saved/restored state.
 *//*  ww w .  j  a  v  a2s .  c om*/
@NonNull
public static <T extends Fragment> T saveAndRestoreFragmentStateSync(
        @NonNull final Instrumentation instrumentation, @NonNull final FragmentActivity activity,
        @NonNull final T fragment) {
    final boolean inView = fragment.isInLayout();

    final FragmentManager fm = activity.getSupportFragmentManager();
    final SavedState savedState = fm.saveFragmentInstanceState(fragment);

    @SuppressWarnings("unchecked")
    final T newInstance = (T) Fragment.instantiate(activity, fragment.getClass().getName());
    newInstance.setInitialSavedState(savedState);

    runOnMainSync(instrumentation, activity, new Runnable() {
        @Override
        public void run() {
            fm.beginTransaction().remove(fragment).commit();
        }
    });

    addFragmentInMainSync(instrumentation, activity, newInstance, inView);

    return newInstance;
}

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From source file:org.solovyev.android.messenger.BaseFragmentActivity.java

@Nonnull
private MultiPaneFragmentDef newCopyingFragmentDef(@Nonnull final Fragment fragment, boolean addToBackStack) {
    final FragmentManager fm = getSupportFragmentManager();

    final Fragment.SavedState fragmentSavedState = fm.saveFragmentInstanceState(fragment);
    final String fragmentTag = fragment.getTag();
    final Bundle fragmentArguments = fragment.getArguments();

    return MultiPaneFragmentDef.newInstance(fragmentTag, addToBackStack, new Builder<Fragment>() {
        @Nonnull//w  w  w  .j  ava  2 s  .c  o  m
        @Override
        public Fragment build() {
            final Fragment newFragment = Fragment.instantiate(BaseFragmentActivity.this,
                    fragment.getClass().getName(), fragmentArguments);
            newFragment.setInitialSavedState(fragmentSavedState);
            return newFragment;
        }
    }, null);
}

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From source file:com.erevacation.challenge.ui.base.navigator.BaseNavigator.java

private void replaceFragmentInternal(FragmentManager fm, @IdRes int containerId, Fragment fragment,
        String fragmentTag, Bundle args, boolean addToBackStack, String backStackTag) {

    if (args != null) {
        fragment.setArguments(args);/*from   ww w. jav  a  2  s.c o  m*/
    }

    if (addToBackStack) {
        Fragment replacedFragment = fm.findFragmentById(containerId);
        if (replacedFragment != null) {
            fm.saveFragmentInstanceState(replacedFragment);
        }

        mFragmentBackStackAnimations.apply(fm.beginTransaction()).add(containerId, fragment, fragmentTag)
                .addToBackStack(backStackTag).commit();
        fm.executePendingTransactions();
    } else {
        mFragmentAnimations.apply(fm.beginTransaction()).replace(containerId, fragment, fragmentTag)
                .commitNow();
    }
}

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From source file:com.erevacation.reactiveanimations.ui.base.navigator.BaseNavigator.java

private void replaceFragmentInternal(FragmentManager fm, @IdRes int containerId, Fragment fragment,
        String fragmentTag, Bundle args, boolean addToBackStack, String backStackTag) {

    if (args != null) {
        fragment.setArguments(args);// ww  w .j av  a 2  s. c  o  m
    }

    if (addToBackStack) {
        Fragment replacedFragment = fm.findFragmentById(containerId);
        if (replacedFragment != null) {
            fm.saveFragmentInstanceState(replacedFragment);
        }

        mFragmentBackStackAnimations.apply(fm.beginTransaction()).replace(containerId, fragment, fragmentTag)
                .addToBackStack(backStackTag).commit();
        fm.executePendingTransactions();
    } else {
        mFragmentAnimations.apply(fm.beginTransaction()).replace(containerId, fragment, fragmentTag)
                .commitNow();
    }
}

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From source file:com.erevacation.challenge.ui.base.navigator.BaseNavigator.java

private void replaceFragmentInternalWithSharedElement(FragmentManager fm, @IdRes int containerId,
        Fragment fragment, String fragmentTag, Bundle args, boolean addToBackStack, String backStackTag,
        View sharedElement, String transitionName) {

    if (args != null) {
        fragment.setArguments(args);//from  w  ww  .j a  v a  2 s .  c  om
    }

    if (addToBackStack) {
        Fragment replacedFragment = fm.findFragmentById(containerId);
        if (replacedFragment != null) {
            fm.saveFragmentInstanceState(replacedFragment);
        }

        mFragmentBackStackAnimations.apply(fm.beginTransaction())
                .addSharedElement(sharedElement, transitionName).add(containerId, fragment, fragmentTag)
                .addToBackStack(backStackTag).commit();
        fm.executePendingTransactions();
    } else {
        mFragmentAnimations.apply(fm.beginTransaction()).replace(containerId, fragment, fragmentTag)
                .commitNow();
    }
}

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From source file:com.erevacation.reactiveanimations.ui.base.navigator.BaseNavigator.java

private void replaceFragmentInternalWithSharedElement(FragmentManager fm, @IdRes int containerId,
        Fragment fragment, String fragmentTag, Bundle args, boolean addToBackStack, String backStackTag,
        View sharedElement, String transitionName) {

    if (args != null) {
        fragment.setArguments(args);//from   www .  j a v  a 2 s  .c  om
    }

    if (addToBackStack) {
        Fragment replacedFragment = fm.findFragmentById(containerId);
        if (replacedFragment != null) {
            fm.saveFragmentInstanceState(replacedFragment);
        }

        mFragmentBackStackAnimations.apply(fm.beginTransaction())
                .addSharedElement(sharedElement, transitionName).replace(containerId, fragment, fragmentTag)
                .addToBackStack(backStackTag).commit();
        fm.executePendingTransactions();
    } else {
        mFragmentAnimations.apply(fm.beginTransaction()).replace(containerId, fragment, fragmentTag)
                .commitNow();
    }
}

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