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

Introduction

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

Prototype

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

Source Link

Document

Ensures a loader is initialized and active.

Usage

From source file:org.dmfs.webcal.fragments.CalendarItemFragment.java

public void loadCalendar() {
    // the the adapter has no cursor yet
    LoaderManager loaderManager = getLoaderManager();
    if (loaderManager != null) {
        if (loaderManager.getLoader(LOADER_PREVIEW) == null) {
            Loader<Cursor> initLoader = loaderManager.initLoader(LOADER_PREVIEW, null,
                    CalendarItemFragment.this);
            if (initLoader != null) {
                initLoader.forceLoad();/*ww w.  j  av a  2  s .c om*/
            } else {
                Log.e(TAG, "Newly created Loader is null");
            }
        } else {
            loaderManager.restartLoader(LOADER_PREVIEW, null, CalendarItemFragment.this);
        }
    } else {
        Log.e(TAG, "Loader Manager is null");
    }
}

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From source file:de.vanita5.twittnuker.fragment.support.DirectMessagesConversationFragment.java

public void showConversation(final long accountId, final long recipientId) {
    mAccountId = accountId;//  w w w  .  ja v  a  2  s .  co m
    mRecipientId = recipientId;
    final LoaderManager lm = getLoaderManager();
    final Bundle args = new Bundle();
    args.putLong(EXTRA_ACCOUNT_ID, accountId);
    args.putLong(EXTRA_RECIPIENT_ID, recipientId);
    if (mLoaderInitialized) {
        lm.restartLoader(0, args, this);
    } else {
        mLoaderInitialized = true;
        lm.initLoader(0, args, this);
    }
}

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From source file:com.wit.android.support.fragment.BaseFragment.java

/**
 * Starts a loader with the specified <var>id</var>. If there was already started loader with the
 * same id before, such a loader will be <b>re-started</b>, otherwise new loader will be <b>initialized</b>.
 * <p>/*from  w  w w  .  jav a 2s  .c o m*/
 * See {@link android.support.v4.app.LoaderManager#restartLoader(int, Bundle, android.support.v4.app.LoaderManager.LoaderCallbacks)} and
 * {@link android.support.v4.app.LoaderManager#initLoader(int, Bundle, android.support.v4.app.LoaderManager.LoaderCallbacks)} for more info.
 *
 * @param id        Id of the desired loader to start.
 * @param params    Params for loader.
 * @param callbacks Callbacks for loader.
 * @return {@code True} if loader with the specified id was <b>initialized</b> or <b>re-started</b>,
 * {@code false} if the current activity is already invalid or {@link android.support.v4.app.LoaderManager} is not available.
 */
protected boolean startLoader(int id, @Nullable Bundle params,
        @NonNull LoaderManager.LoaderCallbacks callbacks) {
    if (mActivity != null) {
        final LoaderManager loaderManager = ((FragmentActivity) mActivity).getSupportLoaderManager();
        if (loaderManager != null) {
            if (loaderManager.getLoader(id) != null) {
                loaderManager.restartLoader(id, params, callbacks);
            } else {
                loaderManager.initLoader(id, params, callbacks);
            }
            return true;
        }
    }
    return false;
}

---

From source file:org.bwgz.quotation.activity.QuotationActivity.java

private <T> void initLoader(LoaderManager loaderManager, int loaderId, Bundle args,
        LoaderCallbacks<T> callbacks) {
    final Loader<T> loader = loaderManager.getLoader(loaderId);
    if (loader == null || loader.isReset()) {
        Log.d(TAG, String.format("initLoader - initLoader: %d", loaderId));
        loaderManager.initLoader(loaderId, args, callbacks);
    } else {//from  ww  w .j av a 2 s  .  c  o  m
        Log.d(TAG, String.format("initLoader - restartLoader: %d", loaderId));
        loaderManager.restartLoader(loaderId, args, callbacks);
    }
}

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From source file:de.ub0r.android.callmeter.ui.PlansFragment.java

/**
 * Re-query database.//from  w ww . j a  v  a2 s  .co m
 *
 * @param forceUpdate force update
 */
public void requery(final boolean forceUpdate) {
    Log.d(TAG, "requery(", forceUpdate, ")");
    if (!this.ignoreQuery) {
        LoaderManager lm = getLoaderManager();
        if (forceUpdate && lm.getLoader(uid) != null) {
            lm.restartLoader(uid, null, this);
        } else {
            lm.initLoader(uid, null, this);
        }
    } else {
        Log.d(TAG, "requery(", forceUpdate, "): ignore");
    }
}

---

From source file:com.joulespersecond.seattlebusbot.ArrivalsListFragment.java

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    // Set and add the view that is shown if no arrival information is returned by the REST API
    getListView().setEmptyView(mEmptyList);
    ((ViewGroup) getListView().getParent()).addView(mEmptyList);

    // We have a menu item to show in action bar.
    setHasOptionsMenu(true);//from  w w  w .j  a v  a2  s . c o  m

    mAlertList = new AlertList(getActivity());
    mAlertList.initView(getView().findViewById(R.id.arrivals_alert_list));

    mHeader = new ArrivalsListHeader(getActivity(), this);
    View header = getView().findViewById(R.id.arrivals_list_header);
    mHeader.initView(header);
    mHeader.refresh();

    // Setup list footer button to load more arrivals (when arrivals are shown)
    Button loadMoreArrivals = (Button) mFooter.findViewById(R.id.load_more_arrivals);
    loadMoreArrivals.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            loadMoreArrivals();
        }
    });
    getListView().addFooterView(mFooter);

    // Repeat for the load more arrivals button in the empty list view
    Button loadMoreArrivalsEmptyList = (Button) mEmptyList.findViewById(R.id.load_more_arrivals);
    loadMoreArrivalsEmptyList.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            loadMoreArrivals();
        }
    });

    // This sets the stopId and uri
    setStopId();
    setUserInfo();

    // Create an empty adapter we will use to display the loaded data.
    mAdapter = new ArrivalsListAdapter(getActivity());
    setListAdapter(mAdapter);

    // Start out with a progress indicator.
    setListShown(false);

    mRoutesFilter = ObaContract.StopRouteFilters.get(getActivity(), mStopId);
    mTripsForStopCallback = new TripsForStopCallback();

    //LoaderManager.enableDebugLogging(true);
    LoaderManager mgr = getLoaderManager();

    mgr.initLoader(TRIPS_FOR_STOP_LOADER, null, mTripsForStopCallback);
    mgr.initLoader(ARRIVALS_LIST_LOADER, getArguments(), this);

    // Set initial minutesAfter value in the empty list view
    setEmptyText(UIHelp.getNoArrivalsMessage(getActivity(), getArrivalsLoader().getMinutesAfter(), false));
}

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From source file:bikebadger.RideFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    Log.d(Constants.APP.TAG, "RideFragment.onCreate()");
    //setRetainInstance(true);

    mRideManager = RideManager.get(getActivity());
    Log.d(Constants.APP.TAG, "mRideManager set = RideManager.get(" + getActivity() + ")");

    setHasOptionsMenu(true);//  w ww . j a  va2 s.c  o m

    // check for a Ride ID as an argument, and find the run
    Bundle args = getArguments();
    if (args != null) {
        long runId = args.getLong(ARG_RUN_ID, -1);
        Log.d(Constants.APP.TAG, "RideFragment.onCreate() runId=" + runId);
        if (runId != -1) {
            LoaderManager lm = getLoaderManager();
            lm.initLoader(LOAD_RUN, args, new RunLoaderCallbacks());
            lm.initLoader(LOAD_LOCATION, args, new LocationLoaderCallbacks());
        }
    }

    // Initialize the TextToSpeech Engine...
    // TODO this engine may not exist. Provide the ability to run without it.
    Intent checkTTSIntent = new Intent();
    checkTTSIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);

    if (checkTTSIntent.resolveActivity(mRideManager.mAppContext.getPackageManager()) != null) {
        startActivityForResult(checkTTSIntent, MY_DATA_CHECK_CODE_REQUEST);
    } else {
        Log.d(Constants.APP.TAG, "Could not find TTS Intent");
        MyToast.Show(getActivity(), "Could not find Text To Speech Service", Color.RED);
        AlertDialog ad1 = new AlertDialog.Builder(getActivity()).create();
        ad1.setCancelable(false);
        ad1.setTitle("Text To Speech Engine Not Found");
        ad1.setMessage(
                "There was a problem finding the Text To Speech Engine. Make sure it's install properly under Language and Input Settings.");
        ad1.setButton("Ok", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
            }
        });
        ad1.show();

    }

    if (mRideManager.mLoadLastGPXFile) {
        Log.d(Constants.APP.TAG, "mLoadLastGPXFile=" + mRideManager.mLoadLastGPXFile);
        Log.d(Constants.APP.TAG, "mCurrentGPXPath=" + mRideManager.mCurrentGPXPath);

        OpenGPXFileOnNewThreadWithDialog(mRideManager.mCurrentGPXPath);
    }

    if (!mRideManager.IsGPSEnabled()) {
        ShowAlertMessageNoGps();
    }

    // keep the screen on so it doesn't time out and turn dark
    getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

}

---

From source file:com.jefftharris.passwdsafe.sync.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Log.i(TAG, "onCreate");

    OnItemSelectedListener freqSelListener = new OnItemSelectedListener() {
        @Override//from  ww w. j  a  v  a2 s.  c  o  m
        public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
            switch (parent.getId()) {
            case R.id.gdrive_interval: {
                onGdriveFreqChanged(position);
                break;
            }
            case R.id.dropbox_interval: {
                onDropboxFreqChanged(position);
                break;
            }
            case R.id.box_interval: {
                onBoxFreqChanged(position);
                break;
            }
            case R.id.onedrive_interval: {
                onOnedriveFreqChanged(position);
                break;
            }
            }
        }

        @Override
        public void onNothingSelected(AdapterView<?> parent) {
        }
    };

    for (int id : new int[] { R.id.box_interval, R.id.dropbox_interval, R.id.gdrive_interval,
            R.id.onedrive_interval }) {
        Spinner freqSpin = (Spinner) findViewById(id);
        assert freqSpin != null;
        freqSpin.setOnItemSelectedListener(freqSelListener);
    }

    itsPermissionMgr = new DynamicPermissionMgr(Manifest.permission.GET_ACCOUNTS, this, PERMISSIONS_RC,
            APP_SETTINGS_RC, "com.jefftharris.passwdsafe.sync", R.id.reload, R.id.app_settings);
    View noPermGroup = findViewById(R.id.no_permission_group);
    GuiUtils.setVisible(noPermGroup, !itsPermissionMgr.checkPerms());

    // Check the state of Google Play services
    GoogleApiAvailability googleApi = GoogleApiAvailability.getInstance();
    int rc = googleApi.isGooglePlayServicesAvailable(this);
    if (rc != ConnectionResult.SUCCESS) {
        googleApi.showErrorDialogFragment(this, rc, GDRIVE_PLAY_SERVICES_ERROR_RC);
    }

    updateGdriveAccount(null);
    updateDropboxAccount(null);
    updateBoxAccount(null);
    updateOnedriveAccount(null);
    updateOwncloudAccount(null);
    LoaderManager lm = getSupportLoaderManager();
    lm.initLoader(LOADER_PROVIDERS, null, this);
}

---

From source file:can.yrt.onebusaway.ArrivalsListFragment.java

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    // Set and add the view that is shown if no arrival information is returned by the REST API
    getListView().setEmptyView(mEmptyList);
    ((ViewGroup) getListView().getParent()).addView(mEmptyList);

    // We have a menu item to show in action bar.
    setHasOptionsMenu(true);/* www. java2  s.com*/

    mAlertList = new AlertList(getActivity());
    mAlertList.initView(getView().findViewById(R.id.arrivals_alert_list));

    mHeader = new ArrivalsListHeader(getActivity(), this);
    View header = getView().findViewById(R.id.arrivals_list_header);
    mHeader.initView(header);
    mHeader.refresh();

    // Setup list footer button to load more arrivals (when arrivals are shown)
    Button loadMoreArrivals = (Button) mFooter.findViewById(R.id.load_more_arrivals);
    loadMoreArrivals.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            loadMoreArrivals();
        }
    });
    getListView().addFooterView(mFooter);

    // Repeat for the load more arrivals button in the empty list view
    Button loadMoreArrivalsEmptyList = (Button) mEmptyList.findViewById(R.id.load_more_arrivals);
    loadMoreArrivalsEmptyList.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            loadMoreArrivals();
        }
    });

    // This sets the stopId and uri
    setStopId();
    setUserInfo();

    // Create an empty adapter we will use to display the loaded data.
    mAdapter = new ArrivalsListAdapter(this, getActivity());
    setListAdapter(mAdapter);

    // Start out with a progress indicator.
    setListShown(false);

    mRoutesFilter = ObaContract.StopRouteFilters.get(getActivity(), mStopId);

    mTripsForStopCallback = new TripsForStopCallback();

    //LoaderManager.enableDebugLogging(true);
    LoaderManager mgr = getLoaderManager();

    mgr.initLoader(TRIPS_FOR_STOP_LOADER, null, mTripsForStopCallback);
    mgr.initLoader(ARRIVALS_LIST_LOADER, getArguments(), this);

    // Set initial minutesAfter value in the empty list view
    setEmptyText(UIHelp.getNoArrivalsMessage(getActivity(), getArrivalsLoader().getMinutesAfter(), false));
}

---

From source file:hku.fyp14017.blencode.ui.fragment.LookFragment.java

public void initOrRestartLoader(Bundle arguments) {
    LoaderManager loaderManager = getLoaderManager();

    if (loaderManager.getLoader(LookController.ID_LOADER_MEDIA_IMAGE) == null) {
        loaderManager.initLoader(LookController.ID_LOADER_MEDIA_IMAGE, arguments, this);
    } else {// w w  w. j a v  a  2 s .c  o m
        loaderManager.restartLoader(LookController.ID_LOADER_MEDIA_IMAGE, arguments, this);
    }
}

---

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