本文整理匯總了Java中android.bluetooth.BluetoothGatt.readDescriptor方法的典型用法代碼示例。如果您正苦於以下問題：Java BluetoothGatt.readDescriptor方法的具體用法？Java BluetoothGatt.readDescriptor怎麽用？Java BluetoothGatt.readDescriptor使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類android.bluetooth.BluetoothGatt的用法示例。
在下文中一共展示了BluetoothGatt.readDescriptor方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: isServiceChangedCCCDEnabled
import android.bluetooth.BluetoothGatt; //導入方法依賴的package包/類
/**
* Reads the value of the Service Changed Client Characteristic Configuration descriptor (CCCD).
*
* @param gatt the GATT device
* @param characteristic the Service Changed characteristic
* @return <code>true</code> if Service Changed CCCD is enabled ans set to INDICATE
* @throws DeviceDisconnectedException
* @throws DfuException
* @throws UploadAbortedException
*/
private boolean isServiceChangedCCCDEnabled(final BluetoothGatt gatt, final BluetoothGattCharacteristic characteristic) throws DeviceDisconnectedException, DfuException, UploadAbortedException {
if (mConnectionState != STATE_CONNECTED_AND_READY)
throw new DeviceDisconnectedException("Unable to read Service Changed CCCD", mConnectionState);
// If the Service Changed characteristic or the CCCD is not available we return false.
if (characteristic == null)
return false;
final BluetoothGattDescriptor descriptor = characteristic.getDescriptor(CLIENT_CHARACTERISTIC_CONFIG);
if (descriptor == null)
return false;
mRequestCompleted = false;
mError = 0;
logi("Reading Service Changed CCCD value...");
sendLogBroadcast(LOG_LEVEL_VERBOSE, "Reading Service Changed CCCD value...");
gatt.readDescriptor(descriptor);
// We have to wait until device receives a response or an error occur
try {
synchronized (mLock) {
while ((!mRequestCompleted && mConnectionState == STATE_CONNECTED_AND_READY && mError == 0 && !mAborted) || mPaused)
mLock.wait();
}
} catch (final InterruptedException e) {
loge("Sleeping interrupted", e);
}
if (mAborted)
throw new UploadAbortedException();
if (mError != 0)
throw new DfuException("Unable to read Service Changed CCCD", mError);
if (mConnectionState != STATE_CONNECTED_AND_READY)
throw new DeviceDisconnectedException("Unable to read Service Changed CCCD", mConnectionState);
return mServiceChangedIndicationsEnabled;
}