orte/contrib/shape_android/src/org/ocera/orte/shape4a/MainActivity.java

   1 /**
   2  *
   3  *      This file is part of shape4a.
   4  *
   5  *  shape4a is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  shape4a is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with shape4a.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package org.ocera.orte.shape4a;
  20
  21 import java.util.regex.Pattern;
  22
  23 import android.support.v7.app.ActionBarActivity;
  24 import android.support.v4.app.DialogFragment;
  25 import android.support.v4.app.Fragment;
  26 import android.support.v4.app.FragmentManager;
  27 import android.support.v4.app.FragmentPagerAdapter;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.content.Context;
  31 import android.content.DialogInterface;
  32 import android.net.wifi.WifiManager;
  33 import android.net.wifi.WifiManager.WifiLock;
  34 import android.os.Bundle;
  35 import android.support.v4.view.ViewPager;
  36 import android.text.InputType;
  37 import android.text.format.Formatter;
  38 import android.view.Menu;
  39 import android.view.MenuItem;
  40 import android.view.View;
  41 import android.widget.EditText;
  42 import android.widget.LinearLayout;
  43
  44 import org.ocera.orte.DomainApp;
  45 import org.ocera.orte.Manager;
  46
  47 //TODO Better navigation (swipe sometimes miss drag).
  48
  49 /**
  50  * Main application activity, when application
  51  * launch, this activity is choosen.
  52  *
  53  * @author jiri hubacek <jiri.hubacek@gmail.com>
  54  * @version %I%, %G%
  55  * @since 1.0
  56  */
  57 public class MainActivity extends ActionBarActivity {
  58         public final static Pattern IP_ADDRESS = Pattern.compile("((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))");
  59
  60         /**
  61          * The {@link android.support.v4.view.PagerAdapter} that will provide
  62          * fragments for each of the sections. We use a {@link FragmentPagerAdapter}
  63          * derivative, which will keep every loaded fragment in memory. If this
  64          * becomes too memory intensive, it may be best to switch to a
  65          * {@link android.support.v4.app.FragmentStatePagerAdapter}.
  66          */
  67         SectionsPagerAdapter mSectionsPagerAdapter;
  68
  69         /**
  70          * The {@link ViewPager} that will host the section contents.
  71          */
  72         ViewPager mViewPager;
  73
  74         private WifiManager wifiManager;
  75         private WifiLock wifiLock;
  76
  77         private Manager orteManager;
  78         private DomainApp appDomain;
  79
  80         private SettingsDialogFragment settingsDialogFragment = new SettingsDialogFragment();
  81         private HelpDialogFragment helpDialogFragment = new HelpDialogFragment();
  82
  83         /**
  84          * Setting up workspace.
  85          *
  86          * @param savedInstanceState
  87          * @since 1.0
  88          */
  89         @Override
  90         protected void onCreate(Bundle savedInstanceState) {
  91                 super.onCreate(savedInstanceState);
  92                 setContentView(R.layout.activity_main);
  93
  94                 // Create the adapter that will return a fragment for each of the three
  95                 // primary sections of the activity.
  96                 mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
  97
  98                 // Set up the ViewPager with the sections adapter.
  99                 mViewPager = (ViewPager) findViewById(R.id.pager);
 100                 mViewPager.setAdapter(mSectionsPagerAdapter);
 101
 102                 // From Robot_Demo project.
 103                 wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
 104                 wifiLock = (WifiLock) wifiManager.createWifiLock((
 105                                         (android.os.Build.VERSION.SDK_INT >= 12)
 106                                         ? WifiManager.WIFI_MODE_FULL_HIGH_PERF
 107                                         : WifiManager.WIFI_MODE_FULL
 108                                 ), getClass().getName());
 109
 110
 111                 // Start ORTE.
 112                 orteManager = new Manager("");
 113                 appDomain = new DomainApp();
 114
 115         }
 116
 117         /**
 118          * When pause activity, release WiFi lock.
 119          *
 120          * @since 1.0
 121          */
 122         @Override
 123         public void onPause()
 124         {
 125                 super.onPause();
 126
 127                 wifiLock.release();
 128         }
 129
 130         /**
 131          * When resume activity, acquire WiFi lock.
 132          *
 133          * @since 1.0
 134          */
 135         @Override
 136         public void onResume()
 137         {
 138                 super.onResume();
 139
 140                 wifiLock.acquire();
 141         }
 142
 143         /**
 144          * When switching application off.
 145          *
 146          * @since 1.0
 147          */
 148         @Override
 149         public void onDestroy()
 150         {
 151                 super.onDestroy();
 152
 153                 if (appDomain != null) {
 154                         appDomain.destroy();
 155                         appDomain = null;
 156                 }
 157                 if (orteManager != null) {
 158                         orteManager.destroy();
 159                         orteManager = null;
 160                 }
 161         }
 162
 163         /**
 164          * Adding elements to menu.
 165          *
 166          * @since 1.0
 167          */
 168         @Override
 169         public boolean onCreateOptionsMenu(Menu menu) {
 170                 // Inflate the menu; this adds items to the action bar if it is present.
 171                 getMenuInflater().inflate(R.menu.main, menu);
 172                 return true;
 173         }
 174
 175         /**
 176          * When Settings or Help button is selected.
 177          *
 178          * @since 1.0
 179          */
 180         @Override
 181         public boolean onOptionsItemSelected(MenuItem item) {
 182                 // Handle action bar item clicks here. The action bar will
 183                 // automatically handle clicks on the Home/Up button, so long
 184                 // as you specify a parent activity in AndroidManifest.xml.
 185                 int id = item.getItemId();
 186                 switch (id) {
 187                 case R.id.action_settings:
 188                         //TODO Menu Settings (prefer own activity)
 189                         // Ideas about settings:
 190                         // - input for manager's ip adresses
 191                         // - enable/disable scaling, destination screen size
 192
 193                         settingsDialogFragment.show(getSupportFragmentManager(), "dialog");
 194                         return true;
 195                 case R.id.action_help:
 196                         //TODO Menu Help (prefer own activity)
 197
 198                         helpDialogFragment.show(getSupportFragmentManager(), "dialog");
 199                         return true;
 200                 default:
 201                         // Nothing...
 202                 }
 203                 return super.onOptionsItemSelected(item);
 204         }
 205
 206         /**
 207          * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
 208          * one of the sections/tabs/pages.
 209          */
 210         public class SectionsPagerAdapter extends FragmentPagerAdapter {
 211
 212                 public SectionsPagerAdapter(FragmentManager fm) {
 213                         super(fm);
 214                 }
 215
 216                 @Override
 217                 public Fragment getItem(int position) {
 218                         // getItem is called to instantiate the fragment for the given page.
 219                         // Return a PlaceholderFragment (defined as a static inner class
 220                         // below).
 221                         if (position == 0) {
 222                                 PublisherFragment fragment = new PublisherFragment(appDomain);
 223                                 fragment.setHasOptionsMenu(true);
 224                                 return fragment;
 225                         } else {
 226                                 SubscriberFragment fragment = new SubscriberFragment(appDomain);
 227                                 fragment.setHasOptionsMenu(true);
 228                                 return fragment;
 229                         }
 230                 }
 231
 232                 @Override
 233                 public int getCount() {
 234                         // Show 2 total pages - Publisher and Subscriber
 235                         return 2;
 236                 }
 237         }
 238
 239         /**
 240          * Very easy help/about.
 241          *
 242          * @since 1.0
 243          */
 244         public class HelpDialogFragment extends DialogFragment
 245         {
 246                 /**
 247                  * Create dialog window.
 248                  *
 249                  * @since 1.0
 250                  */
 251                 @Override
 252                 public Dialog onCreateDialog(Bundle savedInstanceState)
 253                 {
 254                         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
 255                         builder.setTitle("Help/About")
 256                                 .setMessage("Under construction\n" +
 257                                                 "\n" +
 258                                                 "written by jiri hubacek\n")
 259                                 .setPositiveButton(R.string.dialog_OK, new DialogInterface.OnClickListener() {
 260                                         @Override
 261                                         public void onClick(DialogInterface dialog, int which)
 262                                         {}
 263                                 });
 264
 265                         return builder.create();
 266                 }
 267         }
 268
 269         /**
 270          * Set up IP addresses of other managers.
 271          *
 272          * @since 1.0
 273          */
 274         public class SettingsDialogFragment extends DialogFragment
 275         {
 276                 private EditText om;
 277
 278                 /**
 279                  * Create dialog window.
 280                  *
 281                  * @since 1.0
 282                  */
 283                 @Override
 284                 public Dialog onCreateDialog(Bundle savedInstanceState)
 285                 {
 286                         // Strings should be done better way, like
 287                         // centralized in strings.xml
 288
 289                         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
 290                         builder.setTitle("Your IP is " + Formatter.formatIpAddress(wifiManager.getConnectionInfo().getIpAddress()) + ",\nadd other managers:")
 291                                 .setView(text())
 292                                 .setPositiveButton(R.string.dialog_OK, new DialogInterface.OnClickListener() {
 293
 294                                         /**
 295                                          * When IP addresses of managers changes,
 296                                          * destroy manager and create new one.
 297                                          *
 298                                          * @since 1.0
 299                                          */
 300                                         @Override
 301                                         public void onClick(DialogInterface dialog, int which)
 302                                         {
 303                                                 if (IP_ADDRESS.matcher(om.getText()).matches()) {
 304                                                         if (orteManager != null) orteManager.destroy();
 305
 306                                                         String managers[] = new String[1];
 307                                                         managers[0] = om.getText().toString();
 308
 309                                                         orteManager = new Manager(managers);
 310                                                 }
 311                                         }
 312                                 })
 313                                 .setNegativeButton(R.string.dialog_cancel, new DialogInterface.OnClickListener() {
 314
 315                                         @Override
 316                                         public void onClick(DialogInterface dialog, int which) {
 317                                         }
 318                                 });
 319
 320                         return builder.create();
 321                 }
 322
 323                 /**
 324                  * SeekBar for setting-up strength of publishers.
 325                  *
 326                  * @return Layout of SeekBar.
 327                  * @since 1.0
 328                  */
 329                 private View text(){
 330                         LinearLayout l = new LinearLayout(getActivity());
 331                         l.setOrientation(LinearLayout.VERTICAL);
 332
 333                         om = new EditText(getActivity());
 334                         om.setInputType(InputType.TYPE_CLASS_PHONE);
 335                         om.setText("192.168.1.108");
 336
 337                         l.addView(om);
 338                         return l;
 339                 }
 340         }
 341
 342 }