Java tutorial
/* 2010 Stephan Reichholf <stephan at reichholf dot net> * * Licensed under the Create-Commons Attribution-Noncommercial-Share Alike 3.0 Unported * http://creativecommons.org/licenses/by-nc-sa/3.0/ */ package net.reichholf.dreamdroid.activities; import java.net.URLEncoder; import java.util.ArrayList; import java.util.Date; import net.reichholf.dreamdroid.DatabaseHelper; import net.reichholf.dreamdroid.Profile; import net.reichholf.dreamdroid.R; import net.reichholf.dreamdroid.helpers.ExtendedHashMap; import net.reichholf.dreamdroid.helpers.SimpleHttpClient; import net.reichholf.dreamdroid.helpers.enigma2.URIStore; import net.reichholf.dreamdroid.helpers.enigma2.requesthandler.SimpleResultRequestHandler; import org.apache.http.NameValuePair; import org.apache.http.message.BasicNameValuePair; import android.app.ListActivity; import android.app.ProgressDialog; import android.content.Intent; import android.os.AsyncTask; import android.os.Bundle; import android.text.format.DateFormat; import android.util.Log; import android.view.View; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.Toast; /** * @author sre * */ public class DreamDroidShareActivity extends ListActivity { public static String LOG_TAG = DreamDroidShareActivity.class.getSimpleName(); private SimpleResultTask mSimpleResultTask; private SimpleHttpClient mShc; private SimpleAdapter mAdapter; private ArrayList<ExtendedHashMap> mProfileMapList; private ProgressDialog mProgress; private String mTitle; ArrayList<Profile> mProfiles; protected class SimpleResultTask extends AsyncTask<ArrayList<NameValuePair>, Void, Boolean> { private ExtendedHashMap mResult; private SimpleResultRequestHandler mHandler; public SimpleResultTask(SimpleResultRequestHandler handler) { mHandler = handler; } @Override protected Boolean doInBackground(ArrayList<NameValuePair>... params) { if (isCancelled()) return false; publishProgress(); String xml = mHandler.get(mShc, params[0]); if (xml != null) { ExtendedHashMap result = mHandler.parseSimpleResult(xml); String stateText = result.getString("statetext"); if (stateText != null) { mResult = result; return true; } } return false; } @Override protected void onProgressUpdate(Void... progress) { if (!isCancelled()) DreamDroidShareActivity.this.setProgressBarIndeterminateVisibility(true); } protected void onPostExecute(Boolean result) { DreamDroidShareActivity.this.setProgressBarIndeterminateVisibility(false); if (!result || mResult == null) { mResult = new ExtendedHashMap(); } DreamDroidShareActivity.this.onSimpleResult(result, mResult); } } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.share_list_content); setTitle(getText(R.string.watch_on_dream)); load(); } @Override public void onDestroy() { if (mProgress != null) { mProgress.dismiss(); mProgress = null; } if (mSimpleResultTask != null) mSimpleResultTask.cancel(true); super.onDestroy(); } @Override public void onListItemClick(ListView l, View v, int position, long id) { Profile profile = mProfiles.get(position); playOnDream(profile); } @SuppressWarnings("deprecation") private void playOnDream(Profile p) { String url = null; Intent i = getIntent(); Bundle extras = i.getExtras(); mShc = SimpleHttpClient.getInstance(p); if (Intent.ACTION_SEND.equals(i.getAction())) url = extras.getString(Intent.EXTRA_TEXT); else if (Intent.ACTION_VIEW.equals(i.getAction())) url = i.getDataString(); if (url != null) { Log.i(LOG_TAG, url); Log.i(LOG_TAG, p.getHost()); String time = DateFormat.getDateFormat(this).format(new Date()); String title = getString(R.string.sent_from_dreamdroid, time); if (extras != null) { // semperVidLinks sends "artist" and "song" attributes for the // youtube video titles String song = extras.getString("song"); if (song != null) { String artist = extras.getString("artist"); if (artist != null) title = artist + " - " + song; } else { String tmp = extras.getString("title"); if (tmp != null) title = tmp; } } mTitle = new String(title); url = URLEncoder.encode(url).replace("+", "%20"); title = URLEncoder.encode(title).replace("+", "%20"); String ref = "4097:0:1:0:0:0:0:0:0:0:" + url + ":" + title; Log.i(LOG_TAG, ref); ArrayList<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("file", ref)); execSimpleResultTask(params); } else { finish(); } } public void load() { DatabaseHelper dbh = DatabaseHelper.getInstance(this); mProfileMapList = new ArrayList<ExtendedHashMap>(); mProfileMapList.clear(); mProfiles = dbh.getProfiles(); if (mProfiles.size() > 1) { for (Profile m : mProfiles) { ExtendedHashMap map = new ExtendedHashMap(); map.put(DatabaseHelper.KEY_PROFILE, m.getName()); map.put(DatabaseHelper.KEY_HOST, m.getHost()); mProfileMapList.add(map); } mAdapter = new SimpleAdapter(this, mProfileMapList, android.R.layout.two_line_list_item, new String[] { DatabaseHelper.KEY_PROFILE, DatabaseHelper.KEY_HOST }, new int[] { android.R.id.text1, android.R.id.text2 }); setListAdapter(mAdapter); mAdapter.notifyDataSetChanged(); } else { if (mProfiles.size() == 1) { playOnDream(mProfiles.get(0)); } else { showToast(getString(R.string.no_profile_available)); } } } @SuppressWarnings("unchecked") public void execSimpleResultTask(ArrayList<NameValuePair> params) { if (mSimpleResultTask != null) { mSimpleResultTask.cancel(true); } mProgress = ProgressDialog.show(this, getString(R.string.loading), getString(R.string.loading)); SimpleResultRequestHandler handler = new SimpleResultRequestHandler(URIStore.MEDIA_PLAYER_PLAY); mSimpleResultTask = new SimpleResultTask(handler); mSimpleResultTask.execute(params); } public void onSimpleResult(boolean success, ExtendedHashMap result) { if (mProgress != null) { mProgress.dismiss(); mProgress = null; } if (mTitle == null) mTitle = "..."; String toastText = getString(R.string.sent_as, mTitle); if (mShc.hasError()) { toastText = mShc.getErrorText(); } showToast(toastText); finish(); } public void showToast(String text) { Toast toast = Toast.makeText(this, text, Toast.LENGTH_LONG); toast.show(); } }