Remove Battery settings if battery is not present (a3fe77b2) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/Settings.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -19,9 +19,11 @@ package com.android.settings;
		import android.accounts.Account;
		import android.accounts.AccountManager;
		import android.accounts.OnAccountsUpdateListener;
		import android.content.BroadcastReceiver;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.RestrictionEntry;
		import android.content.SharedPreferences;
		import android.content.pm.ActivityInfo;
		@@ -134,6 +136,23 @@ public class Settings extends PreferenceActivity
		private Header mLastHeader;
		private boolean mListeningToAccountUpdates;

		private boolean mBatteryPresent = true;
		private BroadcastReceiver mBatteryInfoReceiver = new BroadcastReceiver() {

		@Override
		public void onReceive(Context context, Intent intent) {
		String action = intent.getAction();
		if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
		boolean batteryPresent = Utils.isBatteryPresent(intent);

		if (mBatteryPresent != batteryPresent) {
		mBatteryPresent = batteryPresent;
		invalidateHeaders();
		}
		}
		}
		};

		@Override
		protected void onCreate(Bundle savedInstanceState) {
		if (getIntent().hasExtra(EXTRA_UI_OPTIONS)) {
		@@ -218,12 +237,16 @@ public class Settings extends PreferenceActivity
		((HeaderAdapter) listAdapter).resume();
		}
		invalidateHeaders();

		registerReceiver(mBatteryInfoReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
		}

		@Override
		public void onPause() {
		super.onPause();

		unregisterReceiver(mBatteryInfoReceiver);

		ListAdapter listAdapter = getListAdapter();
		if (listAdapter instanceof HeaderAdapter) {
		((HeaderAdapter) listAdapter).pause();
		@@ -439,6 +462,12 @@ public class Settings extends PreferenceActivity
		} catch (RemoteException e) {
		// ignored
		}
		} else if (id == R.id.battery_settings) {
		// Remove battery settings when battery is not available. (e.g. TV)

		if (!mBatteryPresent) {
		target.remove(i);
		}
		} else if (id == R.id.account_settings) {
		int headerIndex = i + 1;
		i = insertAccountsHeaders(target, headerIndex);

src/com/android/settings/Utils.java

+9 −4

Original line number	Diff line number	Diff line
		@@ -386,17 +386,22 @@ public class Utils {
		}
		}

		public static boolean isBatteryPresent(Intent batteryChangedIntent) {
		return batteryChangedIntent.getBooleanExtra(BatteryManager.EXTRA_PRESENT, true);
		}

		public static String getBatteryPercentage(Intent batteryChangedIntent) {
		int level = batteryChangedIntent.getIntExtra("level", 0);
		int scale = batteryChangedIntent.getIntExtra("scale", 100);
		int level = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
		int scale = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_SCALE, 100);
		return String.valueOf(level * 100 / scale) + "%";
		}

		public static String getBatteryStatus(Resources res, Intent batteryChangedIntent) {
		final Intent intent = batteryChangedIntent;

		int plugType = intent.getIntExtra("plugged", 0);
		int status = intent.getIntExtra("status", BatteryManager.BATTERY_STATUS_UNKNOWN);
		int plugType = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0);
		int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS,
		BatteryManager.BATTERY_STATUS_UNKNOWN);
		String statusString;
		if (status == BatteryManager.BATTERY_STATUS_CHARGING) {
		statusString = res.getString(R.string.battery_info_status_charging);