import com.google.android.vending.licensing.util.Base64; //导入依赖的package包/类
@Override
public byte[] processWriteRequest(BluetoothGattCharacteristic characteristic, int offset, byte[] writtenData) {
	
	Log.i(TAG, "WatchCtrlService.processWriteRequest -> " + characteristic.getUuid().toString() + " - " + Base64.encode(writtenData));
	Button button = buttonSelector.getPressedButton(connectedDevice, writtenData);
	if (button == null) {
		showUnknownKeyMessage(offset, writtenData);
		return null;
	}
	if( alertService.needCleanMessage() ) {
		cleanNotifications();
		return null;
	}
	Command command = currentMode.getCommand(button);
	if( command == null ) {
		showUnknownKeyMessage(offset, writtenData);
		return null;
	}
	if(!PhoneControlModesManager.call(command)) {
		showUnknownKeyMessage(offset, writtenData);
		return null;
	}
	return null;
}
 

import com.google.android.vending.licensing.util.Base64; //导入依赖的package包/类
@Override
public Button getButton(byte[] buttonId) {
	String pressedButton = Base64.encode(buttonId);
	if( pressedButton.equals(BUTTON_A_CODE))
		return Button.BUTTON_A;
	if( pressedButton.equals(BUTTON_B_CODE))
		return Button.BUTTON_B;
	if( pressedButton.equals(BUTTON_C_CODE))
		return Button.BUTTON_C;
	if( pressedButton.equals(WHEEL_UP_CODE))
		return Button.WHEEL_UP;
	if( pressedButton.equals(WHEEL_DOWN_CODE))
		return Button.WHEEL_DOWN;
	return null;
}
 

import com.google.android.vending.licensing.util.Base64; //导入依赖的package包/类
@Override
public Button getButton(byte[] buttonId) {
	String pressedButton = Base64.encode(buttonId);
	if( pressedButton.equals(BUTTON_A_CODE))
		return Button.BUTTON_A;
	if( pressedButton.equals(BUTTON_B_CODE))
		return Button.BUTTON_B;
	return null;
}
 

import com.google.android.vending.licensing.util.Base64; //导入依赖的package包/类
@Override
public Button getButton(byte[] buttonId) {
	String pressedButton = Base64.encode(buttonId);
	if( pressedButton.equals(BUTTON_A_CODE))
		return Button.BUTTON_A;
	if( pressedButton.equals(BUTTON_B_CODE))
		return Button.BUTTON_B;
	if( pressedButton.equals(BUTTON_C_CODE))
		return Button.BUTTON_C;
	if( pressedButton.equals(BUTTON_D_CODE))
		return Button.BUTTON_D;
	if( pressedButton.equals(POWER_BUTTON_CODE))
		return Button.BUTTON_E;
	return null;
}
 

import com.google.android.vending.licensing.util.Base64; //导入依赖的package包/类
@Override
public Button getButton(byte[] buttonId) {
	String pressedButton = Base64.encode(buttonId);
	if( pressedButton.equals(BUTTON_A_CODE))
		return Button.BUTTON_A;
	if( pressedButton.equals(BUTTON_B_CODE))
		return Button.BUTTON_B;
	if( pressedButton.equals(BUTTON_C_CODE))
		return Button.BUTTON_C;
	return null;
}
 

import com.google.android.vending.licensing.util.Base64; //导入依赖的package包/类
private void showUnknownKeyMessage(int offset, byte[] key) {
	final byte[] data = key;
	final int off = offset;
	activity.runOnUiThread(new Runnable() {
		public void run() {
			Toast.makeText(
					activity.getApplicationContext(),
					activity.getApplicationContext().getString(R.string.unrecognized_button) + Base64.encode(data) + " - OFFSET:"
							+ Integer.toString(off), Toast.LENGTH_SHORT).show();
		}
	});
}