Java tutorial
/* TERMS OF USE: MIT License Copyright 2012 Heath Paddock Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.heath_bar.tvdb; import android.content.Intent; import android.content.SharedPreferences; import android.graphics.Bitmap; import android.net.Uri; import android.os.AsyncTask; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.app.DialogFragment; import android.text.SpannableStringBuilder; import android.text.method.LinkMovementMethod; import android.text.style.TextAppearanceSpan; import android.view.View; import android.widget.ImageButton; import android.widget.TextView; import android.widget.TextView.BufferType; import android.widget.Toast; import com.actionbarsherlock.app.SherlockFragmentActivity; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuItem; import com.actionbarsherlock.view.MenuItem.OnMenuItemClickListener; import com.actionbarsherlock.view.SubMenu; import com.actionbarsherlock.view.Window; import com.heath_bar.tvdb.data.adapters.lazylist.BitmapFileCache; import com.heath_bar.tvdb.data.adapters.lazylist.BitmapWebUtil; import com.heath_bar.tvdb.data.xmlhandlers.EpisodeHandler; import com.heath_bar.tvdb.data.xmlhandlers.GetRatingHandler; import com.heath_bar.tvdb.data.xmlhandlers.SetRatingHandler; import com.heath_bar.tvdb.types.Rating; import com.heath_bar.tvdb.types.TvEpisode; import com.heath_bar.tvdb.types.exceptions.RatingNotFoundException; import com.heath_bar.tvdb.util.DateUtil; import com.heath_bar.tvdb.util.NonUnderlinedClickableSpan; import com.heath_bar.tvdb.util.ShareUtil; public class EpisodeDetails extends SherlockFragmentActivity implements RatingFragment.NoticeDialogListener { protected long episodeId; protected long seriesId; protected String imageId; protected TvEpisode myEpisode = null; protected long cacheSize; protected String userAccountId; // OnCreate... display essentially just a loading screen while we call LoadInfoTask in the background protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); getSupportActionBar().setHomeButtonEnabled(true); getSupportActionBar().setDisplayHomeAsUpEnabled(true); setContentView(R.layout.episode_details); try { Bundle extras = getIntent().getExtras(); if (extras != null) { episodeId = getIntent().getLongExtra("id", 0); seriesId = getIntent().getLongExtra("seriesId", 0); String seriesName = getIntent().getStringExtra("seriesName"); // Set title getSupportActionBar().setTitle(seriesName); ApplyPreferences(); // Start the asynchronous load process setSupportProgressBarIndeterminateVisibility(true); new LoadEpisodeDetailsTask().execute(episodeId); } } catch (Exception e) { e.printStackTrace(); Toast.makeText(this, "Failed to load episode details", Toast.LENGTH_LONG).show(); setSupportProgressBarIndeterminateVisibility(false); } } private class LoadEpisodeDetailsTask extends AsyncTask<Long, Void, TvEpisode> { @Override protected TvEpisode doInBackground(Long... id) { try { // Lookup episode info EpisodeHandler episodeQuery = new EpisodeHandler(getApplicationContext()); TvEpisode theEpisode = episodeQuery.getEpisode(id[0]); // If anything explodes while trying to get the image, don't let it stop us from returning theEpisode. try { Bitmap bitmap; BitmapFileCache fileCache = new BitmapFileCache(getApplicationContext(), cacheSize); if (fileCache.contains(theEpisode.getImage().getId())) { bitmap = fileCache.get(theEpisode.getImage().getId()); } else { BitmapWebUtil web = new BitmapWebUtil(getApplicationContext()); bitmap = web.downloadBitmap(theEpisode.getImage().getUrl()); fileCache.put(theEpisode.getImage().getId(), bitmap); } theEpisode.getImage().setBitmap(bitmap); } catch (NullPointerException e) { e.printStackTrace(); } return theEpisode; } catch (Exception e) { e.printStackTrace(); } return null; } @Override protected void onPostExecute(TvEpisode theEpisode) { // Store the episode info for sharing later myEpisode = theEpisode; // Populate the activity with the data we just found PopulateStuff(theEpisode); // Load Rating if (!userAccountId.equals("")) new LoadRatingTask().execute(); else setUserRatingTextView(0); // Hide the loading text findViewById(R.id.loading1).setVisibility(View.GONE); setSupportProgressBarIndeterminateVisibility(false); } } /** Populate the GUI with the data we've found */ public void PopulateStuff(TvEpisode theEpisode) { // Set Title TextView textview = (TextView) findViewById(R.id.title); textview.setVisibility(View.VISIBLE); textview.setText(theEpisode.getSeason() + "x" + String.format("%02d", theEpisode.getNumber()) + " " + theEpisode.getName()); // Set Thumb if (theEpisode.getImage() != null && (theEpisode.getImage().getBitmap() == null || theEpisode.getImage().getUrl().equals(""))) { // do nothin } else { imageId = theEpisode.getImage().getId(); ImageButton banner = (ImageButton) findViewById(R.id.episode_thumb); banner.setImageBitmap(theEpisode.getImage().getBitmap()); banner.setVisibility(View.VISIBLE); banner.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { shareImage(); } }); } // Overview textview = (TextView) findViewById(R.id.overview_header); textview.setVisibility(View.VISIBLE); textview = (TextView) findViewById(R.id.overview); textview.setVisibility(View.VISIBLE); textview.setText(theEpisode.getOverview()); // Director textview = (TextView) findViewById(R.id.director_header); textview.setVisibility(View.VISIBLE); textview = (TextView) findViewById(R.id.director); textview.setVisibility(View.VISIBLE); textview.setText(theEpisode.getDirector()); // Writer textview = (TextView) findViewById(R.id.writer_header); textview.setVisibility(View.VISIBLE); textview = (TextView) findViewById(R.id.writer); textview.setVisibility(View.VISIBLE); textview.setText(theEpisode.getWriter()); // Rating textview = (TextView) findViewById(R.id.rating_header); textview.setVisibility(View.VISIBLE); textview = (TextView) findViewById(R.id.rating); textview.setVisibility(View.VISIBLE); textview.setText(theEpisode.getRating() + " / 10"); // First Aired textview = (TextView) findViewById(R.id.first_aired_header); textview.setVisibility(View.VISIBLE); textview = (TextView) findViewById(R.id.first_aired); textview.setVisibility(View.VISIBLE); textview.setText(DateUtil.toString(theEpisode.getAirDate())); // Guest Stars textview = (TextView) findViewById(R.id.guest_stars_header); textview.setVisibility(View.VISIBLE); textview = (TextView) findViewById(R.id.guest_stars); textview.setVisibility(View.VISIBLE); textview.setText(theEpisode.getGuestStars()); textview = (TextView) findViewById(R.id.imdb_link); textview.setVisibility(View.VISIBLE); final String imdbId = theEpisode.getIMDB(); if (imdbId != "") { SpannableStringBuilder ssb = new SpannableStringBuilder(getResources().getString(R.string.imdb)); ssb.setSpan(new NonUnderlinedClickableSpan(getResources().getString(R.string.imdb)) { @Override public void onClick(View v) { Intent myIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.imdb.com/title/" + imdbId)); startActivity(myIntent); } }, 0, ssb.length(), 0); ssb.setSpan(new TextAppearanceSpan(this, R.style.episode_link), 0, ssb.length(), 0); // Set the style of the text textview.setText(ssb, BufferType.SPANNABLE); textview.setMovementMethod(LinkMovementMethod.getInstance()); } } // User Rating Functions //////////////////////////////////////////////////////// // Load the user's rating asynchronously private class LoadRatingTask extends AsyncTask<Void, Void, Integer> { private Exception e; @Override protected Integer doInBackground(Void... params) { try { GetRatingHandler ratingAdapter = new GetRatingHandler(); Rating r = ratingAdapter.getEpisodeRating(userAccountId, seriesId, episodeId); return Integer.valueOf(r.getUserRating()); } catch (RatingNotFoundException e) { return 0; } catch (Exception e) { this.e = e; e.printStackTrace(); } return 0; } @Override protected void onPostExecute(Integer rating) { if (e != null) Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_LONG).show(); setUserRatingTextView(rating); } } /** Update the GUI with the specified rating */ private void setUserRatingTextView(int rating) { TextView ratingTextView = (TextView) findViewById(R.id.rating); String communityRatingText = myEpisode.getRating() + " / 10"; String ratingTextA = communityRatingText + " ("; String ratingTextB = (rating == 0) ? "rate" : String.valueOf(rating); String ratingTextC = ")"; int start = ratingTextA.length(); int end = ratingTextA.length() + ratingTextB.length(); SpannableStringBuilder ssb = new SpannableStringBuilder(ratingTextA + ratingTextB + ratingTextC); ssb.setSpan(new NonUnderlinedClickableSpan() { @Override public void onClick(View v) { showRatingDialog(); } }, start, end, 0); ssb.setSpan(new TextAppearanceSpan(getApplicationContext(), R.style.episode_link), start, end, 0); // Set the style of the text ratingTextView.setText(ssb, BufferType.SPANNABLE); ratingTextView.setMovementMethod(LinkMovementMethod.getInstance()); } /** Display the rating dialog to the user */ private void showRatingDialog() { if (userAccountId.equals("")) { Toast.makeText(this, "You must specify your account identifier in the application settings before you can set ratings.", Toast.LENGTH_LONG).show(); } else { RatingFragment dialog = new RatingFragment(); dialog.setTitle(myEpisode.getName()); dialog.show(getSupportFragmentManager(), "RatingFragment"); } } // Called when the user clicks Rate from the dialog @Override public void onDialogPositiveClick(DialogFragment dialog) { TextView valueText = (TextView) dialog.getDialog().findViewById(R.id.value); new UpdateRatingTask().execute(userAccountId, String.valueOf(seriesId), String.valueOf(episodeId), valueText.getText().toString()); } // Called when the user clicks Cancel from the dialog @Override public void onDialogNegativeClick(DialogFragment dialog) { // Do nothing } // Update the rating asynchronously private class UpdateRatingTask extends AsyncTask<String, Void, Boolean> { @Override protected Boolean doInBackground(String... params) { try { SetRatingHandler ra = new SetRatingHandler(); return ra.setEpisodeRating(params[0], params[1], params[2], Integer.valueOf(params[3])); } catch (Exception e) { return false; } } @Override protected void onPostExecute(Boolean result) { if (result) { new LoadRatingTask().execute(); Toast.makeText(getApplicationContext(), "Your rating has been saved", Toast.LENGTH_SHORT).show(); } else { Toast.makeText(getApplicationContext(), "A problem was encountered while trying to save your rating", Toast.LENGTH_SHORT).show(); } } } /** Launch the share menu for the episode image */ public void shareImage() { try { Intent i = ShareUtil.makeIntent(getApplicationContext(), myEpisode.getImage().getId()); if (i != null) startActivity(i); } catch (Exception e) { Toast.makeText(getApplicationContext(), "There was a problem sharing the content.", Toast.LENGTH_SHORT) .show(); } } // ACTION BAR MENU /////////////////////////////////////// @Override public boolean onCreateOptionsMenu(Menu menu) { // SHARE Sub Menu ///////////////////////// SubMenu subMenu1 = menu.addSubMenu("Share"); subMenu1.add("TheTVDB Link").setOnMenuItemClickListener(new OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { try { startActivity(ShareUtil.makeIntent(getApplicationContext(), myEpisode.getName(), "http://thetvdb.com/?tab=episode&seriesid=" + seriesId + "&id=" + episodeId)); } catch (Exception e) { Toast.makeText(getApplicationContext(), "There was a problem sharing the content.", Toast.LENGTH_SHORT).show(); } return false; } }); subMenu1.add("IMDB Link").setOnMenuItemClickListener(new OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { try { if (!myEpisode.getIMDB().equals("")) startActivity(ShareUtil.makeIntent(getApplicationContext(), myEpisode.getName(), "http://www.imdb.com/title/" + myEpisode.getIMDB())); else Toast.makeText(getApplicationContext(), "IMDB link could not be found.", Toast.LENGTH_SHORT) .show(); } catch (Exception e) { Toast.makeText(getApplicationContext(), "There was a problem sharing the content.", Toast.LENGTH_SHORT).show(); } return false; } }); subMenu1.add("Episode Image").setOnMenuItemClickListener(new OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { shareImage(); return false; } }); MenuItem subMenu1Item = subMenu1.getItem(); subMenu1Item.setIcon(R.drawable.ic_share); subMenu1Item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT); menu.add("Search").setIcon(R.drawable.ic_search).setOnMenuItemClickListener(new OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { onSearchRequested(); return false; } }).setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT); return true; } // Home button moves back @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: finish(); return true; } return false; } // Apply Preferences private void ApplyPreferences() { SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this); cacheSize = settings.getInt("cacheSize", AppSettings.DEFAULT_CACHE_SIZE) * 1000 * 1000; userAccountId = settings.getString("accountId", "").trim(); float textSize = Float.parseFloat(settings.getString("textSize", "18.0")); TextView textview = (TextView) findViewById(R.id.loading1); textview.setTextSize(textSize); textview = (TextView) findViewById(R.id.title); textview.setTextSize(textSize * 1.4f); textview = (TextView) findViewById(R.id.overview_header); textview.setTextSize(textSize * 1.3f); textview = (TextView) findViewById(R.id.overview); textview.setTextSize(textSize); textview = (TextView) findViewById(R.id.director_header); textview.setTextSize(textSize * 1.3f); textview = (TextView) findViewById(R.id.director); textview.setTextSize(textSize); textview = (TextView) findViewById(R.id.writer_header); textview.setTextSize(textSize * 1.3f); textview = (TextView) findViewById(R.id.writer); textview.setTextSize(textSize); textview = (TextView) findViewById(R.id.rating_header); textview.setTextSize(textSize * 1.3f); textview = (TextView) findViewById(R.id.rating); textview.setTextSize(textSize); textview = (TextView) findViewById(R.id.first_aired_header); textview.setTextSize(textSize * 1.3f); textview = (TextView) findViewById(R.id.first_aired); textview.setTextSize(textSize); textview = (TextView) findViewById(R.id.guest_stars_header); textview.setTextSize(textSize * 1.3f); textview = (TextView) findViewById(R.id.guest_stars); textview.setTextSize(textSize); } }