Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9b9b3b99 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
Browse files

Merge "Create memory safe overload of... 

Merge "Create memory safe overload of BluetoothGattServer#notifyCharacteristicChanged" am: f33e7ff0 am: 87147e27

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1894087

Change-Id: Id2c529d2d89bac9e002d19a9b96975ed45ed893f
parents 80f41edf 87147e27

core/api/current.txt

+2 −1
Original line number Diff line number Diff line
@@ -9252,7 +9252,8 @@ package android.bluetooth { 
    method public java.util.List<android.bluetooth.BluetoothDevice> getDevicesMatchingConnectionStates(int[]);

    method public android.bluetooth.BluetoothGattService getService(java.util.UUID);

    method public java.util.List<android.bluetooth.BluetoothGattService> getServices();

    method @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) public boolean notifyCharacteristicChanged(android.bluetooth.BluetoothDevice, android.bluetooth.BluetoothGattCharacteristic, boolean);

    method @Deprecated @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) public boolean notifyCharacteristicChanged(android.bluetooth.BluetoothDevice, android.bluetooth.BluetoothGattCharacteristic, boolean);

    method @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) public int notifyCharacteristicChanged(@NonNull android.bluetooth.BluetoothDevice, @NonNull android.bluetooth.BluetoothGattCharacteristic, boolean, @NonNull byte[]);

    method @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) public void readPhy(android.bluetooth.BluetoothDevice);

    method @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) public boolean removeService(android.bluetooth.BluetoothGattService);

    method @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) public boolean sendResponse(android.bluetooth.BluetoothDevice, int, int, int, byte[]);

core/java/android/bluetooth/BluetoothGattServer.java

+67 −11
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


package android.bluetooth;



import android.annotation.IntDef;

import android.annotation.NonNull;

import android.annotation.RequiresNoPermission;

import android.annotation.RequiresPermission;

import android.annotation.SuppressLint;
@@ -26,6 +28,8 @@ import android.os.ParcelUuid; 
import android.os.RemoteException;

import android.util.Log;



import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.ArrayList;

import java.util.List;

import java.util.UUID;
@@ -709,33 +713,85 @@ public final class BluetoothGattServer implements BluetoothProfile { 
     * notification

     * @return true, if the notification has been triggered successfully

     * @throws IllegalArgumentException

     *

     * @deprecated Use {@link BluetoothGattServer#notifyCharacteristicChanged(BluetoothDevice,

     * BluetoothGattCharacteristic, boolean, byte[])}  as this is not memory safe.

     */

    @Deprecated

    @RequiresLegacyBluetoothPermission

    @RequiresBluetoothConnectPermission

    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)

    public boolean notifyCharacteristicChanged(BluetoothDevice device,

            BluetoothGattCharacteristic characteristic, boolean confirm) {

        return notifyCharacteristicChanged(device, characteristic, confirm,

                characteristic.getValue()) == BluetoothStatusCodes.SUCCESS;

    }



    /** @hide */

    @Retention(RetentionPolicy.SOURCE)

    @IntDef(value = {

            BluetoothStatusCodes.SUCCESS,

            BluetoothStatusCodes.ERROR_MISSING_BLUETOOTH_CONNECT_PERMISSION,

            BluetoothStatusCodes.ERROR_MISSING_BLUETOOTH_PRIVILEGED_PERMISSION,

            BluetoothStatusCodes.ERROR_DEVICE_NOT_CONNECTED,

            BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND,

            BluetoothStatusCodes.ERROR_GATT_WRITE_NOT_ALLOWED,

            BluetoothStatusCodes.ERROR_GATT_WRITE_REQUEST_BUSY,

            BluetoothStatusCodes.ERROR_UNKNOWN

    })

    public @interface NotifyCharacteristicReturnValues{}



    /**

     * Send a notification or indication that a local characteristic has been

     * updated.

     *

     * <p>A notification or indication is sent to the remote device to signal

     * that the characteristic has been updated. This function should be invoked

     * for every client that requests notifications/indications by writing

     * to the "Client Configuration" descriptor for the given characteristic.

     *

     * @param device the remote device to receive the notification/indication

     * @param characteristic the local characteristic that has been updated

     * @param confirm {@code true} to request confirmation from the client (indication) or

     * {@code false} to send a notification

     * @param value the characteristic value

     * @return whether the notification has been triggered successfully

     * @throws IllegalArgumentException if the characteristic value or service is null

     */

    @RequiresLegacyBluetoothPermission

    @RequiresBluetoothConnectPermission

    @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)

    @NotifyCharacteristicReturnValues

    public int notifyCharacteristicChanged(@NonNull BluetoothDevice device,

            @NonNull BluetoothGattCharacteristic characteristic, boolean confirm,

            @NonNull byte[] value) {

        if (VDBG) Log.d(TAG, "notifyCharacteristicChanged() - device: " + device.getAddress());

        if (mService == null || mServerIf == 0) return false;

        if (mService == null || mServerIf == 0) {

            return BluetoothStatusCodes.ERROR_PROFILE_SERVICE_NOT_BOUND;

        }



        if (characteristic == null) {

            throw new IllegalArgumentException("characteristic must not be null");

        }

        if (device == null) {

            throw new IllegalArgumentException("device must not be null");

        }

        BluetoothGattService service = characteristic.getService();

        if (service == null) return false;



        if (characteristic.getValue() == null) {

            throw new IllegalArgumentException("Chracteristic value is empty. Use "

                    + "BluetoothGattCharacteristic#setvalue to update");

        if (service == null) {

            throw new IllegalArgumentException("Characteristic must have a non-null service");

        }

        if (value == null) {

            throw new IllegalArgumentException("Characteristic value must not be null");

        }



        try {

            mService.sendNotification(mServerIf, device.getAddress(),

            return mService.sendNotification(mServerIf, device.getAddress(),

                    characteristic.getInstanceId(), confirm,

                    characteristic.getValue(), mAttributionSource);

                    value, mAttributionSource);

        } catch (RemoteException e) {

            Log.e(TAG, "", e);

            return false;

            throw e.rethrowFromSystemServer();

        }



        return true;

    }



    /**