Java tutorial
/* * Copyright 2014 Toxic Bakery * * 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.klowerbase.test; import java.util.ArrayList; import android.app.ActionBar; import android.app.ActionBar.OnNavigationListener; import android.app.Activity; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentStatePagerAdapter; import android.support.v4.view.ViewPager; import android.support.v4.view.ViewPager.PageTransformer; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.TextView; import com.klower.viewpageranimation.AccordionTransformer; import com.klower.viewpageranimation.BackgroundToForegroundTransformer; import com.klower.viewpageranimation.CubeInTransformer; import com.klower.viewpageranimation.CubeOutTransformer; import com.klower.viewpageranimation.DefaultTransformer; import com.klower.viewpageranimation.DepthPageTransformer; import com.klower.viewpageranimation.FlipHorizontalTransformer; import com.klower.viewpageranimation.FlipVerticalTransformer; import com.klower.viewpageranimation.ForegroundToBackgroundTransformer; import com.klower.viewpageranimation.RotateDownTransformer; import com.klower.viewpageranimation.RotateUpTransformer; import com.klower.viewpageranimation.ScaleInOutTransformer; import com.klower.viewpageranimation.StackTransformer; import com.klower.viewpageranimation.TabletTransformer; import com.klower.viewpageranimation.ZoomInTransformer; import com.klower.viewpageranimation.ZoomOutSlideTransformer; import com.klower.viewpageranimation.ZoomOutTranformer; public class ViewpagerAnimationActivity extends FragmentActivity implements OnNavigationListener { private static final String KEY_SELECTED_PAGE = "KEY_SELECTED_PAGE"; private static final String KEY_SELECTED_CLASS = "KEY_SELECTED_CLASS"; private static final ArrayList<TransformerItem> TRANSFORM_CLASSES; static { TRANSFORM_CLASSES = new ArrayList<TransformerItem>(); TRANSFORM_CLASSES.add(new TransformerItem(DefaultTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(AccordionTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(BackgroundToForegroundTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(CubeInTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(CubeOutTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(DepthPageTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(FlipHorizontalTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(FlipVerticalTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(ForegroundToBackgroundTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(RotateDownTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(RotateUpTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(ScaleInOutTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(StackTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(TabletTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(ZoomInTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(ZoomOutSlideTransformer.class)); TRANSFORM_CLASSES.add(new TransformerItem(ZoomOutTranformer.class)); } private int mSelectedItem; private ViewPager mPager; private PageAdapter mAdapter; @SuppressWarnings("deprecation") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); int selectedPage = 0; if (savedInstanceState != null) { mSelectedItem = savedInstanceState.getInt(KEY_SELECTED_CLASS); selectedPage = savedInstanceState.getInt(KEY_SELECTED_PAGE); } final ArrayAdapter<TransformerItem> actionBarAdapter = new ArrayAdapter<TransformerItem>( getApplicationContext(), android.R.layout.simple_expandable_list_item_1, android.R.id.text1, TRANSFORM_CLASSES); setContentView(R.layout.viewpageranimation); mAdapter = new PageAdapter(getSupportFragmentManager()); mPager = (ViewPager) findViewById(R.id.container); mPager.setAdapter(mAdapter); mPager.setCurrentItem(selectedPage); final ActionBar actionBar = getActionBar(); if (actionBar != null) { actionBar.setListNavigationCallbacks(actionBarAdapter, this); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST); //noinspection ResourceType actionBar.setDisplayOptions(actionBar.getDisplayOptions() ^ ActionBar.DISPLAY_SHOW_TITLE); actionBar.setSelectedNavigationItem(mSelectedItem); } } @Override public boolean onNavigationItemSelected(int position, long itemId) { mSelectedItem = position; try { mPager.setPageTransformer(true, TRANSFORM_CLASSES.get(position).clazz.newInstance()); } catch (Exception e) { throw new RuntimeException(e); } return true; } protected void onSaveInstanceState(Bundle outState) { outState.putInt(KEY_SELECTED_CLASS, mSelectedItem); outState.putInt(KEY_SELECTED_PAGE, mPager.getCurrentItem()); } public static class PlaceholderFragment extends Fragment { private static final String EXTRA_POSITION = "EXTRA_POSITION"; private static final int[] COLORS = new int[] { 0xFF33B5E5, 0xFFAA66CC, 0xFF99CC00, 0xFFFFBB33, 0xFFFF4444 }; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final int position = getArguments().getInt(EXTRA_POSITION); final TextView textViewPosition = (TextView) inflater.inflate(R.layout.fragment_main, container, false); textViewPosition.setText(Integer.toString(position)); textViewPosition.setBackgroundColor(COLORS[position - 1]); return textViewPosition; } } private static final class PageAdapter extends FragmentStatePagerAdapter { public PageAdapter(FragmentManager fragmentManager) { super(fragmentManager); } @Override public Fragment getItem(int position) { final Bundle bundle = new Bundle(); bundle.putInt(PlaceholderFragment.EXTRA_POSITION, position + 1); final PlaceholderFragment fragment = new PlaceholderFragment(); fragment.setArguments(bundle); return fragment; } @Override public int getCount() { return 5; } } private static final class TransformerItem { final String title; final Class<? extends PageTransformer> clazz; public TransformerItem(Class<? extends PageTransformer> clazz) { this.clazz = clazz; title = clazz.getSimpleName(); } @Override public String toString() { return title; } } }