import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
-import com.android.settings.bluetooth.DockEventReceiver;
+import java.util.ArrayList;
-import android.content.BroadcastReceiver;
+import android.app.admin.DevicePolicyManager;
import android.content.ContentResolver;
import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.media.AudioManager;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
-import android.preference.PreferenceGroup;
import android.preference.PreferenceScreen;
import android.provider.Settings;
-import android.provider.Settings.SettingNotFoundException;
-import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.IWindowManager;
screenTimeoutPreference.setValue(String.valueOf(Settings.System.getInt(
resolver, SCREEN_OFF_TIMEOUT, FALLBACK_SCREEN_TIMEOUT_VALUE)));
screenTimeoutPreference.setOnPreferenceChangeListener(this);
+ disableUnusableTimeouts(screenTimeoutPreference);
+ }
+ private void disableUnusableTimeouts(ListPreference screenTimeoutPreference) {
+ DevicePolicyManager dpm =
+ (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
+ long maxTimeout = dpm != null ? dpm.getMaximumTimeToLock(null) : 0;
+ if (maxTimeout == 0) {
+ return; // policy not enforced
+ }
+ final CharSequence[] entries = screenTimeoutPreference.getEntries();
+ final CharSequence[] values = screenTimeoutPreference.getEntryValues();
+ ArrayList<CharSequence> revisedEntries = new ArrayList<CharSequence>();
+ ArrayList<CharSequence> revisedValues = new ArrayList<CharSequence>();
+ for (int i = 0; i < values.length; i++) {
+ long timeout = Long.valueOf(values[i].toString());
+ if (timeout <= maxTimeout) {
+ revisedEntries.add(entries[i]);
+ revisedValues.add(values[i]);
+ }
+ }
+ if (revisedEntries.size() != entries.length || revisedValues.size() != values.length) {
+ screenTimeoutPreference.setEntries(
+ revisedEntries.toArray(new CharSequence[revisedEntries.size()]));
+ screenTimeoutPreference.setEntryValues(
+ revisedValues.toArray(new CharSequence[revisedValues.size()]));
+ screenTimeoutPreference.setValue(String.valueOf(maxTimeout));
+ }
+ screenTimeoutPreference.setEnabled(revisedEntries.size() > 0);
}
@Override