Example usage for android.support.v4.app LoaderManager restartLoader

Introduction

In this page you can find the example usage for android.support.v4.app LoaderManager restartLoader.

Prototype

public abstract <D> Loader<D> restartLoader(int id, Bundle args, LoaderManager.LoaderCallbacks<D> callback);

Source Link

Document

Starts a new or restarts an existing android.content.Loader in this manager, registers the callbacks to it, and (if the activity/fragment is currently started) starts loading it.

Usage

From source file:org.getlantern.firetweet.fragment.support.UserFragment.java

private void getFriendship() {
    mRelationship = null;//from ww w . j  a v a  2  s.  c o m
    final ParcelableUser user = getUser();
    final LoaderManager lm = getLoaderManager();
    lm.destroyLoader(LOADER_ID_FRIENDSHIP);
    final Bundle args = new Bundle();
    args.putLong(EXTRA_ACCOUNT_ID, user.account_id);
    args.putLong(EXTRA_USER_ID, user.id);
    if (!mGetFriendShipLoaderInitialized) {
        lm.initLoader(LOADER_ID_FRIENDSHIP, args, mFriendshipLoaderCallbacks);
        mGetFriendShipLoaderInitialized = true;
    } else {
        lm.restartLoader(LOADER_ID_FRIENDSHIP, args, mFriendshipLoaderCallbacks);
    }
}

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From source file:org.getlantern.firetweet.fragment.support.UserFragment.java

public void getUserInfo(final long accountId, final long userId, final String screenName,
        final boolean omitIntentExtra) {
    final LoaderManager lm = getLoaderManager();
    lm.destroyLoader(LOADER_ID_USER);//from  ww  w.  j  a  v a2  s. com
    lm.destroyLoader(LOADER_ID_FRIENDSHIP);
    final Bundle args = new Bundle();
    args.putLong(EXTRA_ACCOUNT_ID, accountId);
    args.putLong(EXTRA_USER_ID, userId);
    args.putString(EXTRA_SCREEN_NAME, screenName);
    args.putBoolean(EXTRA_OMIT_INTENT_EXTRA, omitIntentExtra);
    if (!mGetUserInfoLoaderInitialized) {
        lm.initLoader(LOADER_ID_USER, args, mUserInfoLoaderCallbacks);
        mGetUserInfoLoaderInitialized = true;
    } else {
        lm.restartLoader(LOADER_ID_USER, args, mUserInfoLoaderCallbacks);
    }
    if (accountId == -1 || userId == -1 && screenName == null) {
        mCardContent.setVisibility(View.GONE);
        mErrorRetryContainer.setVisibility(View.GONE);
    }
}

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From source file:org.mariotaku.twidere.fragment.support.UserFragment.java

public void getUserInfo(final long accountId, final long userId, final String screenName,
        final boolean omitIntentExtra) {
    final LoaderManager lm = getLoaderManager();
    lm.destroyLoader(LOADER_ID_USER);/*from   w  w  w  .  j  a v a  2 s.  co  m*/
    lm.destroyLoader(LOADER_ID_FRIENDSHIP);
    final Bundle args = new Bundle();
    args.putLong(EXTRA_ACCOUNT_ID, accountId);
    args.putLong(EXTRA_USER_ID, userId);
    args.putString(EXTRA_SCREEN_NAME, screenName);
    args.putBoolean(EXTRA_OMIT_INTENT_EXTRA, omitIntentExtra);
    if (!mGetUserInfoLoaderInitialized) {
        lm.initLoader(LOADER_ID_USER, args, mUserInfoLoaderCallbacks);
        mGetUserInfoLoaderInitialized = true;
    } else {
        lm.restartLoader(LOADER_ID_USER, args, mUserInfoLoaderCallbacks);
    }
    if (accountId == -1 || userId == -1 && screenName == null) {
        mCardContent.setVisibility(View.GONE);
        mHeaderErrorContainer.setVisibility(View.GONE);
    }
}

---

From source file:org.mariotaku.twidere.fragment.UserFragment.java

private void getFriendship() {
    final ParcelableUser user = getUser();
    if (user == null)
        return;/*from   w w w  .  j  a  v  a  2s  .c  o m*/
    mRelationship = null;
    final LoaderManager lm = getLoaderManager();
    lm.destroyLoader(LOADER_ID_FRIENDSHIP);
    final Bundle args = new Bundle();
    args.putParcelable(EXTRA_ACCOUNT_KEY, user.account_key);
    args.putParcelable(EXTRA_USER, user);
    if (!mGetFriendShipLoaderInitialized) {
        lm.initLoader(LOADER_ID_FRIENDSHIP, args, mFriendshipLoaderCallbacks);
        mGetFriendShipLoaderInitialized = true;
    } else {
        lm.restartLoader(LOADER_ID_FRIENDSHIP, args, mFriendshipLoaderCallbacks);
    }
}

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From source file:org.mariotaku.twidere.fragment.UserFragment.java

public void getUserInfo(final UserKey accountKey, final UserKey userKey, final String screenName,
        final boolean omitIntentExtra) {
    final LoaderManager lm = getLoaderManager();
    lm.destroyLoader(LOADER_ID_USER);/*ww w.  j  a  v a2  s. co m*/
    lm.destroyLoader(LOADER_ID_FRIENDSHIP);
    final Bundle args = new Bundle();
    args.putParcelable(EXTRA_ACCOUNT_KEY, accountKey);
    args.putParcelable(EXTRA_USER_KEY, userKey);
    args.putString(EXTRA_SCREEN_NAME, screenName);
    args.putBoolean(EXTRA_OMIT_INTENT_EXTRA, omitIntentExtra);
    if (!mGetUserInfoLoaderInitialized) {
        lm.initLoader(LOADER_ID_USER, args, mUserInfoLoaderCallbacks);
        mGetUserInfoLoaderInitialized = true;
    } else {
        lm.restartLoader(LOADER_ID_USER, args, mUserInfoLoaderCallbacks);
    }
    if (accountKey == null || userKey == null && screenName == null) {
        mCardContent.setVisibility(View.GONE);
        mHeaderErrorContainer.setVisibility(View.GONE);
    }
}

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From source file:com.gh.bmd.jrt.android.v4.core.LoaderInvocation.java

@Override
@SuppressWarnings("unchecked")
@SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST_OF_RETURN_VALUE", justification = "class comparison with == is done")
public void onCall(@Nonnull final List<? extends INPUT> inputs, @Nonnull final ResultChannel<OUTPUT> result) {

    final Logger logger = mLogger;
    final Object context = mContext.get();

    if (context == null) {

        logger.dbg("avoiding running invocation since context is null");
        return;/*from  w  ww .j av  a  2  s . c o  m*/
    }

    final Context loaderContext;
    final LoaderManager loaderManager;

    if (context instanceof FragmentActivity) {

        final FragmentActivity activity = (FragmentActivity) context;
        loaderContext = activity.getApplicationContext();
        loaderManager = activity.getSupportLoaderManager();
        logger.dbg("running invocation bound to activity: %s", activity);

    } else if (context instanceof Fragment) {

        final Fragment fragment = (Fragment) context;
        loaderContext = fragment.getActivity().getApplicationContext();
        loaderManager = fragment.getLoaderManager();
        logger.dbg("running invocation bound to fragment: %s", fragment);

    } else {

        throw new IllegalArgumentException("invalid context type: " + context.getClass().getCanonicalName());
    }

    int loaderId = mLoaderId;

    if (loaderId == ContextRoutineBuilder.AUTO) {

        loaderId = mConstructor.getDeclaringClass().hashCode();

        for (final Object arg : mArgs) {

            loaderId = 31 * loaderId + recursiveHashCode(arg);
        }

        loaderId = 31 * loaderId + inputs.hashCode();
        logger.dbg("generating invocation ID: %d", loaderId);
    }

    final Loader<InvocationResult<OUTPUT>> loader = loaderManager.getLoader(loaderId);
    final boolean isClash = isClash(loader, loaderId, inputs);
    final WeakIdentityHashMap<Object, SparseArray<WeakReference<RoutineLoaderCallbacks<?>>>> callbackMap = sCallbackMap;
    SparseArray<WeakReference<RoutineLoaderCallbacks<?>>> callbackArray = callbackMap.get(context);

    if (callbackArray == null) {

        callbackArray = new SparseArray<WeakReference<RoutineLoaderCallbacks<?>>>();
        callbackMap.put(context, callbackArray);
    }

    final WeakReference<RoutineLoaderCallbacks<?>> callbackReference = callbackArray.get(loaderId);
    RoutineLoaderCallbacks<OUTPUT> callbacks = (callbackReference != null)
            ? (RoutineLoaderCallbacks<OUTPUT>) callbackReference.get()
            : null;

    if ((callbacks == null) || (loader == null) || isClash) {

        final RoutineLoader<INPUT, OUTPUT> routineLoader;

        if (!isClash && (loader != null) && (loader.getClass() == RoutineLoader.class)) {

            routineLoader = (RoutineLoader<INPUT, OUTPUT>) loader;

        } else {

            routineLoader = null;
        }

        final RoutineLoaderCallbacks<OUTPUT> newCallbacks = createCallbacks(loaderContext, loaderManager,
                routineLoader, inputs, loaderId);

        if (callbacks != null) {

            logger.dbg("resetting existing callbacks [%d]", loaderId);
            callbacks.reset();
        }

        callbackArray.put(loaderId, new WeakReference<RoutineLoaderCallbacks<?>>(newCallbacks));
        callbacks = newCallbacks;
    }

    logger.dbg("setting result cache type [%d]: %s", loaderId, mCacheStrategyType);
    callbacks.setCacheStrategy(mCacheStrategyType);

    final OutputChannel<OUTPUT> outputChannel = callbacks.newChannel();

    if (isClash) {

        logger.dbg("restarting loader [%d]", loaderId);
        loaderManager.restartLoader(loaderId, Bundle.EMPTY, callbacks);

    } else {

        logger.dbg("initializing loader [%d]", loaderId);
        loaderManager.initLoader(loaderId, Bundle.EMPTY, callbacks);
    }

    result.pass(outputChannel);
}

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