android/src/org/rockbox/RockboxActivity.java

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Thomas Martitz
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 package org.rockbox;
  23
  24 import android.app.Activity;
  25 import android.app.ProgressDialog;
  26 import android.content.Intent;
  27 import android.os.Bundle;
  28 import android.util.Log;
  29 import android.view.ViewGroup;
  30 import android.view.Window;
  31 import android.view.WindowManager;
  32
  33 public class RockboxActivity extends Activity
  34 {
  35     private ProgressDialog loadingdialog;
  36     /** Called when the activity is first created. */
  37     @Override
  38     public void onCreate(Bundle savedInstanceState)
  39     {
  40         super.onCreate(savedInstanceState);
  41         requestWindowFeature(Window.FEATURE_NO_TITLE);
  42         getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN
  43                        ,WindowManager.LayoutParams.FLAG_FULLSCREEN);
  44         final Intent intent = new Intent(this,
  45                 RockboxService.class);
  46         loadingdialog = new ProgressDialog(this);
  47         loadingdialog.setMessage("Rockbox Loading. Please wait...");
  48         loadingdialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
  49         loadingdialog.setCancelable(false);
  50         loadingdialog.show();
  51         startService(intent);
  52         /* Now it gets a bit tricky:
  53          * The service is started in the same thread as we are now,
  54          * but the service also initializes the framebuffer
  55          * Unfortunately, this happens *after* any of the default
  56          * startup methods of an activity, so we need to poll for it
  57          *
  58          * In order to get the fb, we need to let the Service start up
  59          * run, we can wait in a separate thread for fb to get ready
  60          * This thread waits for the fb to become ready */
  61         new Thread(new Runnable()
  62         {
  63             public void run()
  64             {
  65                 try {
  66                     while (RockboxService.fb == null)
  67                         Thread.sleep(250);
  68                 } catch (InterruptedException e) {
  69                 } catch (Exception e) {
  70                     LOG(e.toString());
  71                 }
  72                 /* drawing needs to happen in ui thread */
  73                 runOnUiThread(new Runnable()
  74                 {
  75                     public void run() {
  76                                 loadingdialog.dismiss();
  77                         setContentView(RockboxService.fb);
  78                         RockboxService.fb.invalidate();
  79                     }
  80                 });
  81             }
  82         }).start();
  83     }
  84
  85     public void onResume()
  86     {
  87         super.onResume();
  88
  89         if (RockboxService.fb != null)
  90         {
  91             try {
  92                 setContentView(RockboxService.fb);
  93             } catch (IllegalStateException e) {
  94                 /* we are already using the View,
  95                  * need to remove it and re-attach it */
  96                 ViewGroup g = (ViewGroup)RockboxService.fb.getParent();
  97                 g.removeView(RockboxService.fb);
  98                 setContentView(RockboxService.fb);
  99             }
 100             RockboxService.fb.resume();
 101         }
 102     }
 103
 104     /* this is also called when the backlight goes off,
 105      * which is nice
 106      */
 107     @Override
 108     protected void onPause()
 109     {
 110         super.onPause();
 111         RockboxService.fb.suspend();
 112     }
 113
 114     @Override
 115     protected void onStop()
 116     {
 117         super.onStop();
 118         RockboxService.fb.suspend();
 119     }
 120
 121     @Override
 122     protected void onDestroy()
 123     {
 124         super.onDestroy();
 125         RockboxService.fb.suspend();
 126     }
 127
 128     private void LOG(CharSequence text)
 129     {
 130         Log.d("Rockbox", (String) text);
 131     }
 132 }