Java tutorial
/** * Copyright (C) 2016 X Gemeente * X Amsterdam * X Onderzoek, Informatie en Statistiek * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/ */ package com.amsterdam.marktbureau.makkelijkemarkt; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.app.FragmentTransaction; import com.amsterdam.marktbureau.makkelijkemarkt.data.MakkelijkeMarktProvider; /** * @author marcolangebeeke */ public class NotitieActivity extends BaseActivity { // use classname when logging private static final String LOG_TAG = NotitieActivity.class.getSimpleName(); // create unique notitiefragment instance tag private static final String NOTITIE_FRAGMENT_TAG = LOG_TAG + NotitieFragment.class.getSimpleName() + "_TAG"; // the notitiefragment private NotitieFragment mNotitieFragment; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // set the title in the toolbar Intent intent = getIntent(); if ((intent != null) && (intent .hasExtra(MakkelijkeMarktProvider.mTableNotitie + MakkelijkeMarktProvider.Notitie.COL_ID))) { setToolbarTitle(getString(R.string.notitie_edit)); } else { setToolbarTitle(getString(R.string.notitie_add)); } // get selected markt naam from sharedpreferences and set the subtitle in the toolbar SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this); String marktNaam = settings.getString(getString(R.string.sharedpreferences_key_markt_naam), ""); setToolbarSubtitle(marktNaam); // create new or get existing instance of notitiefragment if (savedInstanceState == null) { mNotitieFragment = new NotitieFragment(); FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.add(R.id.container, mNotitieFragment, NOTITIE_FRAGMENT_TAG); transaction.commit(); } else { mNotitieFragment = (NotitieFragment) getSupportFragmentManager() .findFragmentByTag(NOTITIE_FRAGMENT_TAG); } // set the active drawer menu option if (mDrawerFragment.isAdded()) { mDrawerFragment.checkItem(mDrawerFragment.DRAWER_POSITION_NOTITIES); } // replace the drawer hamburger with the back-arrow if (getSupportActionBar() != null) { getSupportActionBar().setDisplayHomeAsUpEnabled(false); mDrawerToggle.setDrawerIndicatorEnabled(false); getSupportActionBar().setDisplayHomeAsUpEnabled(true); } } }