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Android: don't compile powermgmt-sim.c

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Instead implement a bit of battery monitoring. Currently it only fetches the battery level (in %) every 30s,
but it could do more like battery status, charger connected, voltage...
Theoretically, we could also exit/quit after some time of inactivity too
(perhaps not a bad idea since Rockbox puts a slight but still non-zero CPU load even if doing nothing).

Ironically, Rockbox is now the only way to get the exact battery level (at least I haven't found anything yet) on my phone :-)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27974 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-09-01 23:36:15 +00:00
parent c00fbc4d06
commit f05cdc46f2
7 changed files with 56 additions and 2 deletions
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45
android/src/org/rockbox/RockboxService.java
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@ -9,6 +9,8 @@ import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Enumeration;
import java.util.Timer;
import java.util.TimerTask;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
@ -16,7 +18,10 @@ import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.IBinder;
import android.util.Log;
@ -36,6 +41,9 @@ public class RockboxService extends Service
private Method mStopForeground;
private Object[] mStartForegroundArgs = new Object[2];
private Object[] mStopForegroundArgs = new Object[1];
private IntentFilter itf;
private BroadcastReceiver batt_monitor;
private int battery_level;
@Override
public void onCreate()
{
@ -161,6 +169,43 @@ public class RockboxService extends Service
return null;
}
@SuppressWarnings("unused")
/*
* Sets up the battery monitor which receives the battery level
* about each 30 seconds
*/
private void initBatteryMonitor()
{
itf = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
batt_monitor = new BroadcastReceiver()
{
@Override
public void onReceive(Context context, Intent intent)
{
/* we get literally spammed with battery statuses
* if we don't delay the re-attaching
*/
TimerTask tk = new TimerTask() {
public void run() {
registerReceiver(batt_monitor, itf);
}
};
Timer t = new Timer();
context.unregisterReceiver(this);
int rawlevel = intent.getIntExtra("level", -1);
int scale = intent.getIntExtra("scale", -1);
if (rawlevel >= 0 && scale > 0)
battery_level = (rawlevel * 100) / scale;
else
battery_level = -1;
/* query every 30s should be sufficient */
t.schedule(tk, 30000);
}
};
registerReceiver(batt_monitor, itf);
}
/* all below is heavily based on the examples found on
* http://developer.android.com/reference/android/app/Service.html
*/