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listen for SD card events via BroadcastReceiver registered in

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AndroidManifest rather than created programatically: only with this
can I get EJECT events to work.  Replacement class has static
register/unregister methods which DictsActivity uses.
This commit is contained in:
Andy2 2011-09-12 18:28:43 -07:00
parent 8c0657f1cd
commit 14608d2deb
4 changed files with 107 additions and 79 deletions
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12
xwords4/android/XWords4/AndroidManifest.xml
View file

@ -124,6 +124,18 @@
<service android:name="RelayService"/>
<receiver android:name=".MountEventReceiver">
<intent-filter>
<action android:name="android.intent.action.MEDIA_MOUNTED" />
<data android:scheme="file" />
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.MEDIA_EJECT" />
<data android:scheme="file" />
</intent-filter>
</receiver>
<!-- <receiver android:name="NBSReceiver"> -->
<!-- <intent-filter android:priority="10"> -->
<!-- <action android:name="android.intent.action.DATA_SMS_RECEIVED" /> -->

29
xwords4/android/XWords4/src/org/eehouse/android/xw4/DictsActivity.java
View file

@ -27,6 +27,7 @@ import android.app.ListActivity;
import android.app.ExpandableListActivity;
import android.database.DataSetObserver;
import android.os.Bundle;
import android.os.Handler;
import android.widget.Button;
import android.widget.TextView;
import android.widget.AdapterView;
@ -57,7 +58,7 @@ import org.eehouse.android.xw4.jni.CommonPrefs;
public class DictsActivity extends ExpandableListActivity
implements View.OnClickListener, XWListItem.DeleteCallback,
SDCardWatcher.SDCardNotifiee, DlgDelegate.DlgClickNotify {
MountEventReceiver.SDCardNotifiee, DlgDelegate.DlgClickNotify {
private static final String DICT_DOLAUNCH = "do_launch";
private static final String DICT_LANG_EXTRA = "use_lang";
@ -88,7 +89,6 @@ public class DictsActivity extends ExpandableListActivity
private long m_packedPosition;
private DictUtils.DictLoc m_moveFromLoc;
private DictUtils.DictLoc m_moveToLoc;
private SDCardWatcher m_cardWatcher;
private LayoutInflater m_factory;
@ -375,7 +375,8 @@ public class DictsActivity extends ExpandableListActivity
protected void onResume()
{
super.onResume();
m_cardWatcher = new SDCardWatcher( this, this );
MountEventReceiver.register( this );
mkListAdapter();
expandGroups();
}
@ -418,10 +419,9 @@ public class DictsActivity extends ExpandableListActivity
}
@Override
protected void onPause() {
m_cardWatcher.close();
m_cardWatcher = null;
super.onPause();
protected void onStop() {
MountEventReceiver.unregister( this );
super.onStop();
}
public void onClick( View v )
@ -564,11 +564,18 @@ public class DictsActivity extends ExpandableListActivity
DELETE_DICT_ACTION );
}
// SDCardWatcher.SDCardNotifiee interface
public void cardMounted()
// MountEventReceiver.SDCardNotifiee interface
public void cardMounted( boolean nowMounted )
{
mkListAdapter();
expandGroups();
Utils.logf( "DictsActivity.cardMounted(%b)", nowMounted );
// post so other SDCardNotifiee implementations get a chance
// to process first: avoid race conditions
new Handler().post( new Runnable() {
public void run() {
mkListAdapter();
expandGroups();
}
} );
}
// DlgDelegate.DlgClickNotify interface

77
xwords4/android/XWords4/src/org/eehouse/android/xw4/MountEventReceiver.java Normal file
View file

@ -0,0 +1,77 @@
/* -*- compile-command: "cd ../../../../../; ant install"; -*- */
/*
* Copyright 2009-2010 by Eric House (xwords@eehouse.org). All
* rights reserved.
*
* This program 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.eehouse.android.xw4;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import java.util.HashSet;
import java.util.Iterator;
public class MountEventReceiver extends BroadcastReceiver {
public interface SDCardNotifiee {
void cardMounted( boolean nowMounted );
}
private static HashSet<SDCardNotifiee> s_procs = new HashSet<SDCardNotifiee>();
@Override
public void onReceive( Context context, Intent intent )
{
Utils.logf( "MountEventReceiver.onReceive(%s)", intent.getAction() );
synchronized( s_procs ) {
do {
if ( s_procs.isEmpty() ) {
break;
}
boolean mounted;
String action = intent.getAction();
if ( action.equals( Intent.ACTION_MEDIA_MOUNTED ) ) {
mounted = true;
} else if ( action.equals( Intent.ACTION_MEDIA_EJECT ) ) {
mounted = false;
} else {
break;
}
Iterator<SDCardNotifiee> iter = s_procs.iterator();
while ( iter.hasNext() ) {
iter.next().cardMounted( mounted );
}
} while ( false );
}
}
public static void register( SDCardNotifiee proc )
{
synchronized( s_procs ) {
s_procs.add( proc );
}
}
public static void unregister( SDCardNotifiee proc )
{
synchronized( s_procs ) {
s_procs.remove( proc );
}
}
}

68
xwords4/android/XWords4/src/org/eehouse/android/xw4/SDCardWatcher.java
View file

@ -1,68 +0,0 @@
/* -*- compile-command: "cd ../../../../../; ant install"; -*- */
/*
* Copyright 2009-2010 by Eric House (xwords@eehouse.org). All
* rights reserved.
*
* This program 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.eehouse.android.xw4;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
public class SDCardWatcher {
public interface SDCardNotifiee {
void cardMounted();
}
private UmountReceiver m_rcvr;
private Context m_context;
private SDCardNotifiee m_notifiee;
private class UmountReceiver extends BroadcastReceiver {
@Override
public void onReceive( Context context, Intent intent )
{
if ( intent.getAction().
equals( Intent.ACTION_MEDIA_MOUNTED ) ) {
m_notifiee.cardMounted();
}
}
}
public SDCardWatcher( Context context, SDCardNotifiee notifiee )
{
m_context = context;
m_rcvr = new UmountReceiver();
m_notifiee = notifiee;
IntentFilter filter =
new IntentFilter( Intent.ACTION_MEDIA_MOUNTED );
// filter.addAction( Intent.ACTION_MEDIA_UNMOUNTED );
// filter.addAction( Intent.ACTION_MEDIA_EJECT );
filter.addDataScheme( "file" );
/*Intent intent = */context.getApplicationContext().
registerReceiver( m_rcvr, filter );
}
public void close()
{
m_context.getApplicationContext().unregisterReceiver( m_rcvr );
}
}