private void updateFromPreference() {
Logger.d("Service updateFromPreference called");
SharedPreferences prefs =
PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
try {
powerManager.setBatteryThresh(
Integer.parseInt(
prefs.getString(
getString(R.string.batteryMinThresPrefKey),
String.valueOf(Config.DEFAULT_BATTERY_THRESH_PRECENT))));
this.setCheckinInterval(
Integer.parseInt(
prefs.getString(
getString(R.string.checkinIntervalPrefKey),
String.valueOf(Config.DEFAULT_CHECKIN_INTERVAL_SEC / 3600)))
* 3600);
updateStatus();
Logger.i(
"Preference set from SharedPreference: "
+ "checkinInterval="
+ checkinIntervalSec
+ ", minBatThres= "
+ powerManager.getBatteryThresh());
} catch (ClassCastException e) {
Logger.e("exception when casting preference values", e);
}
}
/** Perform a checkin operation. */
public void handleCheckin(boolean force) {
if (!userConsented()) {
Logger.i("Skipping checkin - User has not consented");
return;
}
if (!force && isPauseRequested()) {
sendStringMsg("Skipping checkin - app is paused");
return;
}
if (!force && !powerManager.canScheduleExperiment()) {
sendStringMsg("Skipping checkin - below battery threshold");
return;
}
/* The CPU can go back to sleep immediately after onReceive() returns. Acquire
* the wake lock for the new thread here and release the lock when the thread finishes
*/
PhoneUtils.getPhoneUtils().acquireWakeLock();
new Thread(checkinTask).start();
}
public boolean hasBatteryToScheduleExperiment() {
return powerManager.canScheduleExperiment();
}