[DO NOT MERGE] Honor Ble scanning settings from Settings UI. (2ac9f1e1) · Commits · e / os / android_frameworks_base

core/java/android/bluetooth/BluetoothAdapter.java

+9 −22

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.app.ActivityThread;
		import android.os.SystemProperties;
		import android.provider.Settings;
		import android.os.Binder;
		import android.util.Log;
		import android.util.Pair;
		@@ -634,24 +635,6 @@ public final class BluetoothAdapter {
		}
		}

		/**
		* Returns true if LE only mode is enabled, that is apps
		* have authorization to turn only BT ON and the calling
		* app has privilage to do so
		*/
		private boolean isLEAlwaysOnEnabled() {
		boolean ret = false;
		if (SystemProperties.getBoolean("ro.bluetooth.blealwayson", true) == true) {
		Log.v(TAG, "LE always on mode is enabled");
		// TODO: System API authorization check
		ret = true;
		} else {
		Log.v(TAG, "LE always on mode is disabled");
		ret = false;
		}
		return ret;
		}

		/**
		* Turns off Bluetooth LE which was earlier turned on by calling EnableBLE().
		*
		@@ -679,7 +662,7 @@ public final class BluetoothAdapter {
		* @hide
		*/
		public boolean disableBLE() {
		if (isLEAlwaysOnEnabled() != true) return false;
		if (!isBleScanAlwaysAvailable()) return false;

		int state = getLeState();
		if (state == BluetoothAdapter.STATE_ON) {
		@@ -741,7 +724,7 @@ public final class BluetoothAdapter {
		* @hide
		*/
		public boolean enableBLE() {
		if (isLEAlwaysOnEnabled() != true) return false;
		if (!isBleScanAlwaysAvailable()) return false;

		if (isLeEnabled() == true) {
		if (DBG) Log.d(TAG, "enableBLE(): BT is already enabled..!");
		@@ -1247,9 +1230,13 @@ public final class BluetoothAdapter {
		*/
		@SystemApi
		public boolean isBleScanAlwaysAvailable() {
		// TODO: implement after Settings UI change.
		try {
		return mManagerService.isBleScanAlwaysAvailable();
		} catch (RemoteException e) {
		Log.e(TAG, "remote expection when calling isBleScanAlwaysAvailable", e);
		return false;
		}
		}

		/**
		* Returns whether peripheral mode is supported.

core/java/android/bluetooth/IBluetoothManager.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -44,6 +44,8 @@ interface IBluetoothManager

		String getAddress();
		String getName();

		boolean isBleScanAlwaysAvailable();
		int updateBleAppCount(IBinder b, boolean enable);
		boolean isBleAppPresent();
		}

services/core/java/com/android/server/BluetoothManagerService.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -48,6 +48,7 @@ import android.os.SystemClock;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.provider.Settings;
		import android.provider.Settings.SettingNotFoundException;
		import android.util.Log;

		import java.io.FileDescriptor;
		@@ -445,6 +446,16 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
		/** Internal death rec list */
		Map<IBinder, ClientDeathRecipient> mBleApps = new HashMap<IBinder, ClientDeathRecipient>();

		@Override
		public boolean isBleScanAlwaysAvailable() {
		try {
		return (Settings.Global.getInt(mContentResolver,
		Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE)) != 0;
		} catch (SettingNotFoundException e) {
		}
		return false;
		}

		public int updateBleAppCount(IBinder token, boolean enable) {
		if (enable) {
		ClientDeathRecipient r = mBleApps.get(token);