Java tutorial
/* * SickStache is a android application for managing SickBeard * Copyright (C) 2012 David Stocking dmstocking@gmail.com * * http://code.google.com/p/sick-stashe/ * * SickStache 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 3 of the License, or * (at your option) any later version. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ package org.sickstache.fragments; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.content.Intent; import android.os.Bundle; import android.support.v4.view.ViewPager; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import com.actionbarsherlock.view.ActionMode; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuInflater; import com.actionbarsherlock.view.MenuItem; import com.viewpagerindicator.TitlePageIndicator; import org.sickbeard.Show; import org.sickbeard.comparator.ShowNameComparator; import org.sickstache.R; import org.sickstache.SeasonsActivity; import org.sickstache.app.LoadingListFragment; import org.sickstache.dialogs.ErrorDialog; import org.sickstache.dialogs.PauseDialog; import org.sickstache.helper.Preferences; import org.sickstache.task.PauseTask; import org.sickstache.task.RefreshTask; import org.sickstache.task.UpdateTask; import org.sickstache.widget.DefaultImageView; import org.sickstache.widget.SafeArrayAdapter; import java.util.ArrayList; public class ShowsFragment extends LoadingListFragment<Void, Void, ArrayList<Show>> implements ViewPager.OnPageChangeListener { private SafeArrayAdapter<Show> showAdapter; private TitlePageIndicator pageIndicator = null; @Override protected boolean isRetainInstance() { return true; } @Override protected int getChoiceMode() { return ListView.CHOICE_MODE_NONE; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); showAdapter = new SafeArrayAdapter<Show>(this.getActivity(), R.layout.show_banner_item) { @Override public View getView(int position, View convertView, ViewGroup parent) { View row = convertView; if (row == null) { row = layoutInflater.inflate(R.layout.show_banner_item, null); } Show item = getItem(position); TextView tv = (TextView) row.findViewById(R.id.show); tv.setText(item.showName); DefaultImageView image = (DefaultImageView) row.findViewById(R.id.showImage); image.defaultResource = R.drawable.default_banner; image.setBanner(item.id); ImageView overlay = (ImageView) row.findViewById(R.id.showSelectedOverlay); if (selected.contains(position)) { overlay.setVisibility(View.VISIBLE); } else { overlay.setVisibility(View.INVISIBLE); } return row; } }; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); try { pageIndicator = (TitlePageIndicator) this.getActivity().findViewById(R.id.viewPagerIndicator); pageIndicator.setOnPageChangeListener(this); } catch (Exception e) { ; // there is no viewPagerIndicator // tried to do this with a check but it always failed } } @Override public void onDestroyView() { super.onDestroyView(); selected.clear(); } @Override public void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); Intent intent = new Intent(this.getActivity(), SeasonsActivity.class); Show item = showAdapter.getItem(position); intent.putExtra("tvdbid", item.id); intent.putExtra("show", item.showName); intent.putExtra("headerfooter", true); startActivity(intent); } @Override public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { if (actionMode == null) { actionMode = getSherlockActivity().startActionMode(new ActionMode.Callback() { @Override public boolean onPrepareActionMode(ActionMode mode, Menu menu) { return false; } @Override public void onDestroyActionMode(ActionMode mode) { showAdapter.notifyDataSetChanged(); selected.clear(); actionMode = null; } @Override public boolean onCreateActionMode(ActionMode mode, Menu menu) { MenuInflater inflate = getSherlockActivity().getSupportMenuInflater(); inflate.inflate(R.menu.shows_cab_menu, menu); return true; } @Override public boolean onActionItemClicked(ActionMode mode, MenuItem item) { switch (item.getItemId()) { case R.id.pauseMenuItem: final PauseDialog pDialog = new PauseDialog(); pDialog.setTitle("Set Pause"); pDialog.setOnOkClick(new OnClickListener() { @Override public void onClick(DialogInterface arg0, int arg1) { final ProgressDialog dialog = ProgressDialog.show( ShowsFragment.this.getSherlockActivity(), "", "Pausing Shows. Please wait...", true); dialog.setCancelable(true); dialog.show(); String[] tvdbids = new String[selected.size()]; for (int i = 0; i < selected.size(); i++) { tvdbids[i] = showAdapter.getItem(selected.get(i)).id; } Preferences pref = Preferences .getSingleton(ShowsFragment.this.getSherlockActivity()); PauseTask pause = new PauseTask(pref, tvdbids, pDialog.getPause()) { @Override protected void onPostExecute(Boolean result) { if (dialog != null && dialog.isShowing()) dialog.dismiss(); if (error != null && getFragmentManager() != null) { ErrorDialog dialog = new ErrorDialog(); dialog.setMessage("Error pausing show.\nERROR: " + error.getMessage()); dialog.show(getFragmentManager(), "pauseError"); } } }; pause.execute(); } }); pDialog.show(getFragmentManager(), "update"); return true; case R.id.refreshMenuItem: { final ProgressDialog dialog = ProgressDialog.show(ShowsFragment.this.getSherlockActivity(), "", "Refreshing Shows. Please wait...", true); dialog.setCancelable(true); dialog.show(); String[] tvdbids = new String[selected.size()]; for (int i = 0; i < selected.size(); i++) { tvdbids[i] = showAdapter.getItem(selected.get(i)).id; } Preferences pref = Preferences.getSingleton(ShowsFragment.this.getSherlockActivity()); RefreshTask refresh = new RefreshTask(pref, tvdbids) { @Override protected void onPostExecute(Boolean result) { if (dialog != null && dialog.isShowing()) dialog.dismiss(); if (error != null && getFragmentManager() != null) { ErrorDialog dialog = new ErrorDialog(); dialog.setMessage("Error refreshing show.\nERROR: " + error.getMessage()); dialog.show(getFragmentManager(), "refreshError"); } } }; refresh.execute(); } return true; case R.id.updateMenuItem: { final ProgressDialog dialog = ProgressDialog.show(ShowsFragment.this.getSherlockActivity(), "", "Updating Shows. Please wait...", true); dialog.setCancelable(true); dialog.show(); String[] tvdbids = new String[selected.size()]; for (int i = 0; i < selected.size(); i++) { tvdbids[i] = showAdapter.getItem(selected.get(i)).id; } Preferences pref = Preferences.getSingleton(ShowsFragment.this.getSherlockActivity()); UpdateTask update = new UpdateTask(pref, tvdbids) { @Override protected void onPostExecute(Boolean result) { if (dialog != null && dialog.isShowing()) dialog.dismiss(); if (error != null && getFragmentManager() != null) { ErrorDialog dialog = new ErrorDialog(); dialog.setMessage("Error updating show.\nERROR: " + error.getMessage()); dialog.show(getFragmentManager(), "updateError"); } } }; update.execute(); } return true; // case R.id.editMenuItem: // // get all selected items and create the edit show activity passing all of them // actionMode.finish(); // return true; } return false; } }); } ImageView overlay = (ImageView) arg1.findViewById(R.id.showSelectedOverlay); int i = selected.indexOf(arg2); if (i >= 0) { selected.remove(i); overlay.setVisibility(View.INVISIBLE); } else { selected.add(arg2); overlay.setVisibility(View.VISIBLE); } actionMode.setTitle(selected.size() + " Items Selected"); if (selected.size() == 0) { actionMode.finish(); } return true; } @Override public void onPageScrollStateChanged(int arg0) { ; // do nothing } @Override public void onPageScrolled(int arg0, float arg1, int arg2) { ; // do nothing } @Override public void onPageSelected(int arg0) { if (arg0 != 0 && actionMode != null) { actionMode.finish(); } } @Override protected String getEmptyText() { return "No Shows Available"; } @Override protected Void[] getRefreshParams() { return null; } @Override protected ArrayList<Show> doInBackground(Void... arg0) throws Exception { return Preferences.getSingleton(getSherlockActivity()).getSickBeard().shows(); } @Override protected void onProgressUpdate(Void... values) { ; // do nothing } @Override protected void onPostExecute(ArrayList<Show> result) { setListAdapter(showAdapter); showAdapter.clear(); for (Show s : result) { showAdapter.add(s); } showAdapter.sort(new ShowNameComparator()); if (showAdapter.getCount() == 0) { this.setListStatus(ListStatus.EMPTY); } showAdapter.notifyDataSetChanged(); } }