Java tutorial
/* * Copyright 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.giantturtle.badenumbersquiz; import android.app.Fragment; /*import android.support.v4.app.Fragment;*/ import android.app.FragmentManager; /*import android.support.v4.app.FragmentManager;*/ import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.support.v13.app.FragmentStatePagerAdapter; import android.support.v4.app.FragmentActivity; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.view.Menu; import android.view.MenuItem; import android.view.View; import com.google.android.gms.ads.AdRequest; import com.google.android.gms.ads.AdView; /** * Demonstrates a "screen-slide" animation using a {@link android.support.v4.view.ViewPager}. Because {@link android.support.v4.view.ViewPager} * automatically plays such an animation when calling {@link android.support.v4.view.ViewPager#setCurrentItem(int)}, there * isn't any animation-specific code in this sample. * * <p>This sample shows a "next" button that advances the user to the next step in a wizard, * animating the current screen out (to the left) and the next screen in (from the right). The * reverse animation is played when the user presses the "previous" button.</p> * * @see ScreenSlidePageFragment * * */ //ova akivnost moe da bude naslovljena kao aktivnost za u?enje i njoj moe korisnik da pristupi // iz glavne aktivnosti, a u glavnoj aktivnosti korisnik moe da bira i da startuje kviz. // ova sekcija bi trabala da bude referirana u glavnom meniju pod "U?enje" ili "Priprema" //TODO dodati aktivnost za slanje pitanja u kojoj bi korisnik jednim klikom na dugme //poslao mail sa ispunjenom adresom i subjektom na odreenu mail adresu, verovatno // na giant2turtle@gmail.com public class PrepareYourSelfActivity extends FragmentActivity { AdView mAdView; AdRequest adRequest; int poslednjaNedoumicaPoloaj; /** * The number of pages (wizard steps) to show in this demo. */ private static final int NUM_PAGES = 45;//ovde podeavam broj stranica u viewPageru i mora da bude jednak broju stranica u nedoumicaArray /** * The pager widget, which handles animation and allows swiping horizontally to access previous * and next wizard steps. */ private ViewPager mPager; /** * The pager adapter, which provides the pages to the view pager widget. */ private PagerAdapter mPagerAdapter; SharedPreferences nekePreferences; SharedPreferences.Editor mojEditor; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_prepare_study); mAdView = (AdView) this.findViewById (R.id.adView); adRequest = new AdRequest. Builder(). build(); mAdView. loadAd(adRequest); nekePreferences = getSharedPreferences ( "TestFajl", MODE_PRIVATE ); mojEditor = nekePreferences. edit(); // Instantiate a ViewPager and a PagerAdapter. mPager = (ViewPager) findViewById(R.id.pager); mPagerAdapter = new ScreenSlidePagerAdapter(getFragmentManager()); mPager.setAdapter(mPagerAdapter); int po?etniPoloaj = nekePreferences.getInt("poslednjaNedoumicaPoloaj", 2); mPager.setCurrentItem(po?etniPoloaj); mPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { // When changing pages, reset the action bar actions since they are dependent // on which page is currently active. An alternative approach is to have each // fragment expose actions itself (rather than the activity exposing actions), // but for simplicity, the activity provides the actions in this sample. invalidateOptionsMenu(); } }); } @Override protected void onResume() { super.onResume(); } @Override protected void onPause() { super.onPause(); poslednjaNedoumicaPoloaj =mPager.getCurrentItem(); mojEditor.putInt("poslednjaNedoumicaPoloaj", poslednjaNedoumicaPoloaj); mojEditor.commit(); } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); getMenuInflater().inflate(R.menu.activity_screen_slide, menu); menu.findItem(R.id.action_previous).setEnabled(mPager.getCurrentItem() > 0); // Add either a "next" or "finish" button to the action bar, depending on which page // is currently selected. MenuItem item = menu.add(Menu.NONE, R.id.action_next, Menu.NONE, (mPager.getCurrentItem() == mPagerAdapter.getCount() - 1)//ako je predposlednja stranica onda da prikae finish, a ako nije predposlednja ? R.string.action_finish : R.string.action_next); item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_previous: // Go to the previous step in the wizard. If there is no previous step, // setCurrentItem will do nothing. mPager.setCurrentItem(mPager.getCurrentItem() - 1); return true; case R.id.action_next: // Advance to the next step in the wizard. If there is no next step, setCurrentItem // will do nothing. mPager.setCurrentItem(mPager.getCurrentItem() + 1); return true; case R.id.action_about: Intent intent = new Intent(this, AboutMeActivity.class); startActivity(intent); } return super.onOptionsItemSelected(item); } /** * A simple pager adapter that represents 5 {@link ScreenSlidePageFragment} objects, in * sequence. */ private class ScreenSlidePagerAdapter extends FragmentStatePagerAdapter { public ScreenSlidePagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { return ScreenSlidePageFragment.create(position); } @Override public int getCount() { return NUM_PAGES; } } }