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The source code is released under:
GNU General Public License
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/* * SoundBox - Android Music Player/*from w ww. j a v a 2 s . com*/ * Copyright (C) 2013 Ivn Arcuschin Moreno * * This file is part of SoundBox. * * SoundBox is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * SoundBox is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with SoundBox. If not, see <http://www.gnu.org/licenses/>. */ package com.arcusapp.soundbox.activity; import android.content.Intent; import android.os.Build; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.support.v7.app.ActionBar; import android.support.v7.app.ActionBarActivity; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewTreeObserver; import android.widget.RelativeLayout; import android.widget.TextView; import com.arcusapp.soundbox.R; import com.arcusapp.soundbox.SoundBoxApplication; import com.arcusapp.soundbox.data.MediaProvider; import com.arcusapp.soundbox.fragment.ArtistsFragment; import com.arcusapp.soundbox.fragment.PlayFragment; import com.arcusapp.soundbox.fragment.PlaylistsFragment; import com.arcusapp.soundbox.fragment.SongsListFragment; import com.arcusapp.soundbox.model.BundleExtra; import com.arcusapp.soundbox.player.MediaPlayerService; import com.arcusapp.soundbox.util.CustomViewPager; import com.arcusapp.soundbox.util.SlidingUpPanelLayout; import java.util.ArrayList; public class MainActivity extends ActionBarActivity implements android.support.v7.app.ActionBar.TabListener { private static final String PANEL_SAVED_STATE = "was_panel_expanded_last_time"; /** * The {@link android.support.v4.view.PagerAdapter} that will provide * fragments for each of the sections. We use a {@link android.support.v4.app.FragmentPagerAdapter} derivative, which * will keep every loaded fragment in memory. If this becomes too memory * intensive, it may be best to switch to a {@link android.support.v4.app.FragmentStatePagerAdapter}. */ SectionsPagerAdapter mSectionsPagerAdapter; /** * The {@link ViewPager} that will host the section contents. */ CustomViewPager mViewPager; SlidingUpPanelLayout mSlidingLayout; PlayFragment mPlayFragment; private boolean mPanelExpanded = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //start the MediaPlayerService Intent serviceIntent = new Intent(SoundBoxApplication.ACTION_MEDIA_PLAYER_SERVICE, null, SoundBoxApplication.getContext(), MediaPlayerService.class); startService(serviceIntent); mPlayFragment = (PlayFragment) getSupportFragmentManager().findFragmentById(R.id.playFragmentContainer); //set up the sliding layout mSlidingLayout = (SlidingUpPanelLayout) findViewById(R.id.sliding_layout); // set the height of the sliding panel final RelativeLayout slidingPanel = (RelativeLayout) findViewById(R.id.slidingPanel); slidingPanel.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { // gets called after layout has been done but before display int height = slidingPanel.getHeight(); mSlidingLayout.setPanelHeight(height); if(Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) { slidingPanel.getViewTreeObserver().removeGlobalOnLayoutListener(this); } else { slidingPanel.getViewTreeObserver().removeOnGlobalLayoutListener(this); } } }); mSlidingLayout.setPlayFragment(mPlayFragment); TextView dragerView = (TextView) findViewById(R.id.txtSongTitle); mSlidingLayout.setDragView(dragerView); mSlidingLayout.setPanelSlideListener(new SlidingUpPanelLayout.PanelSlideListener() { @Override public void onPanelSlide(View panel, float slideOffset) { } @Override public void onPanelCollapsed(View panel) { //enable ViewPager Fragments mViewPager.setContentEnabled(true); //inform the fragment that panel is collapsed mPlayFragment.setPanelExpanded(false); mPanelExpanded = false; } @Override public void onPanelExpanded(View panel) { //disable ViewPager Fragments mViewPager.setContentEnabled(false); //inform the fragment that panel is expanded mPlayFragment.setPanelExpanded(true); mPanelExpanded = true; } @Override public void onPanelAnchored(View panel) { } }); // Set up the action bar. final android.support.v7.app.ActionBar actionBar = getSupportActionBar(); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); // Create the adapter that will return a fragment for each of the three // primary sections of the app. mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager()); // Set up the ViewPager with the sections adapter. mViewPager = (CustomViewPager) findViewById(R.id.pager); mViewPager.setAdapter(mSectionsPagerAdapter); mViewPager.setContentEnabled(true); // When swiping between different sections, select the corresponding // tab. We can also use ActionBar.Tab#select() to do this if we have // a reference to the Tab. mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { actionBar.setSelectedNavigationItem(position); } }); // For each of the sections in the app, add a tab to the action bar. for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) { // Create a tab with text corresponding to the page title defined by // the adapter. Also specify this Activity object, which implements // the TabListener interface, as the callback (listener) for when // this tab is selected. actionBar.addTab(actionBar.newTab() .setText(mSectionsPagerAdapter.getPageTitle(i)) .setTabListener(this)); } } @Override protected void onStart() { super.onStart(); SoundBoxApplication.notifyForegroundStateChanged(true); } @Override protected void onStop() { super.onStop(); SoundBoxApplication.notifyForegroundStateChanged(false); } @Override public void onBackPressed() { if(mSlidingLayout.isExpanded()) { mSlidingLayout.collapsePane(); } else { super.onBackPressed(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_about: Intent intent = new Intent(); intent.setAction(SoundBoxApplication.ACTION_ABOUT_ACTIVITY); startActivity(intent); return true; default: break; } return super.onOptionsItemSelected(item); } @Override public void onSaveInstanceState(Bundle savedInstanceState) { super.onSaveInstanceState(savedInstanceState); // Save UI state changes to the savedInstanceState. // This bundle will be passed to onCreate if the process is // killed and restarted. savedInstanceState.putBoolean(PANEL_SAVED_STATE, mSlidingLayout.isExpanded()); } @Override public void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); // Restore UI state from the savedInstanceState. // This bundle has also been passed to onCreate. mPanelExpanded = savedInstanceState.getBoolean(PANEL_SAVED_STATE); //If this onCraete is called after a configuration change, // we need to reconfigure PlayFragment and ViewPagew if(mPanelExpanded) { //disable ViewPager Fragments mViewPager.setContentEnabled(false); //inform the fragment that panel is expanded mPlayFragment.setPanelExpanded(true); } else { //enable ViewPager Fragments mViewPager.setContentEnabled(true); //inform the fragment that panel is collapsed mPlayFragment.setPanelExpanded(false); } } @Override public void onTabSelected(android.support.v7.app.ActionBar.Tab tab, android.support.v4.app.FragmentTransaction fragmentTransaction) { // When the given tab is selected, switch to the corresponding page in // the ViewPager. mViewPager.setCurrentItem(tab.getPosition()); } @Override public void onTabUnselected(android.support.v7.app.ActionBar.Tab tab, android.support.v4.app.FragmentTransaction fragmentTransaction) { } @Override public void onTabReselected(android.support.v7.app.ActionBar.Tab tab, android.support.v4.app.FragmentTransaction fragmentTransaction) { } /** * A {@link FragmentPagerAdapter} that returns a fragment corresponding to * one of the sections/tabs/pages. */ public class SectionsPagerAdapter extends FragmentPagerAdapter { private final int ARTIST_FRAGMENT_POSITION = 0; private final int SONGSLIST_FRAGMENT_POSITION = 1; private final int PLAYLISTS_FRAGMENT_POSITION = 2; ArtistsFragment mArtistsFragment; SongsListFragment mSongsListFragment; PlaylistsFragment mPlaylistsFragment; public SectionsPagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { switch (position) { case ARTIST_FRAGMENT_POSITION: if(mArtistsFragment == null) { mArtistsFragment = new ArtistsFragment(); } return mArtistsFragment; case SONGSLIST_FRAGMENT_POSITION: if(mSongsListFragment == null) { MediaProvider media = new MediaProvider(); Bundle bundle = new Bundle(); bundle.putStringArrayList(BundleExtra.SONGS_ID_LIST, new ArrayList<String>(media.getAllSongs())); bundle.putBoolean(SongsListFragment.ADD_PLAYALLRANDOM_BUTTON, true); mSongsListFragment = new SongsListFragment(); mSongsListFragment.setArguments(bundle); } return mSongsListFragment; case PLAYLISTS_FRAGMENT_POSITION: if(mPlaylistsFragment == null) { mPlaylistsFragment = new PlaylistsFragment(); } return mPlaylistsFragment; } return null; } @Override public int getCount() { // Show 3 total pages. return 3; } @Override public CharSequence getPageTitle(int position) { switch (position) { case ARTIST_FRAGMENT_POSITION: return getString(R.string.TabArtists); case SONGSLIST_FRAGMENT_POSITION: return getString(R.string.TabSongs); case PLAYLISTS_FRAGMENT_POSITION: return getString(R.string.TabPlaylists); } return null; } } }