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https://github.com/mauiaaron/apple2.git
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Explicitly not supporting older joystick devices
This commit is contained in:
Aaron Culliney
parent
1c50d12963
commit
e165da72fc
@ -133,7 +133,7 @@ public interface InputManagerCompat {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
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return new InputManagerV16(context);
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} else {
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return new InputManagerV9();
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return null;
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}
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}
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}
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@ -1,211 +0,0 @@
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/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.inputmanagercompat;
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import android.os.Handler;
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import android.os.Message;
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import android.os.SystemClock;
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import android.util.Log;
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import android.util.SparseArray;
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import android.view.InputDevice;
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import android.view.MotionEvent;
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import java.lang.ref.WeakReference;
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import java.util.ArrayDeque;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Queue;
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public class InputManagerV9 implements InputManagerCompat {
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private static final String LOG_TAG = "InputManagerV9";
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private static final int MESSAGE_TEST_FOR_DISCONNECT = 101;
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private static final long CHECK_ELAPSED_TIME = 3000L;
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private static final int ON_DEVICE_ADDED = 0;
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private static final int ON_DEVICE_CHANGED = 1;
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private static final int ON_DEVICE_REMOVED = 2;
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private final SparseArray<long[]> mDevices;
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private final Map<InputDeviceListener, Handler> mListeners;
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private final Handler mDefaultHandler;
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private static class PollingMessageHandler extends Handler {
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private final WeakReference<InputManagerV9> mInputManager;
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PollingMessageHandler(InputManagerV9 im) {
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mInputManager = new WeakReference<InputManagerV9>(im);
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}
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@Override
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public void handleMessage(Message msg) {
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super.handleMessage(msg);
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switch (msg.what) {
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case MESSAGE_TEST_FOR_DISCONNECT:
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InputManagerV9 imv = mInputManager.get();
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if (null != imv) {
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long time = SystemClock.elapsedRealtime();
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int size = imv.mDevices.size();
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for (int i = 0; i < size; i++) {
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long[] lastContact = imv.mDevices.valueAt(i);
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if (null != lastContact) {
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if (time - lastContact[0] > CHECK_ELAPSED_TIME) {
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// check to see if the device has been
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// disconnected
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int id = imv.mDevices.keyAt(i);
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if (null == InputDevice.getDevice(id)) {
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// disconnected!
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imv.notifyListeners(ON_DEVICE_REMOVED, id);
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imv.mDevices.remove(id);
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} else {
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lastContact[0] = time;
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}
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}
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}
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}
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sendEmptyMessageDelayed(MESSAGE_TEST_FOR_DISCONNECT,
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CHECK_ELAPSED_TIME);
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}
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break;
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}
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}
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}
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public InputManagerV9() {
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mDevices = new SparseArray<long[]>();
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mListeners = new HashMap<InputDeviceListener, Handler>();
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mDefaultHandler = new PollingMessageHandler(this);
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// as a side-effect, populates our collection of watched
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// input devices
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getInputDeviceIds();
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}
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@Override
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public InputDevice getInputDevice(int id) {
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return InputDevice.getDevice(id);
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}
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@Override
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public int[] getInputDeviceIds() {
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// add any hitherto unknown devices to our
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// collection of watched input devices
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int[] activeDevices = InputDevice.getDeviceIds();
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long time = SystemClock.elapsedRealtime();
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for ( int id : activeDevices ) {
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long[] lastContact = mDevices.get(id);
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if ( null == lastContact ) {
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// we have a new device
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mDevices.put(id, new long[] { time });
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}
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}
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return activeDevices;
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}
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@Override
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public void registerInputDeviceListener(InputDeviceListener listener, Handler handler) {
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mListeners.remove(listener);
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if (handler == null) {
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handler = mDefaultHandler;
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}
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mListeners.put(listener, handler);
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}
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@Override
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public void unregisterInputDeviceListener(InputDeviceListener listener) {
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mListeners.remove(listener);
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}
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private void notifyListeners(int why, int deviceId) {
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// the state of some device has changed
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if (!mListeners.isEmpty()) {
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// yes... this will cause an object to get created... hopefully
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// it won't happen very often
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for (InputDeviceListener listener : mListeners.keySet()) {
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Handler handler = mListeners.get(listener);
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DeviceEvent odc = DeviceEvent.getDeviceEvent(why, deviceId, listener);
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handler.post(odc);
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}
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}
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}
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private static class DeviceEvent implements Runnable {
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private int mMessageType;
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private int mId;
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private InputDeviceListener mListener;
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private static Queue<DeviceEvent> sEventQueue = new ArrayDeque<DeviceEvent>();
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private DeviceEvent() {
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}
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static DeviceEvent getDeviceEvent(int messageType, int id,
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InputDeviceListener listener) {
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DeviceEvent curChanged = sEventQueue.poll();
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if (null == curChanged) {
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curChanged = new DeviceEvent();
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}
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curChanged.mMessageType = messageType;
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curChanged.mId = id;
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curChanged.mListener = listener;
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return curChanged;
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}
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@Override
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public void run() {
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switch (mMessageType) {
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case ON_DEVICE_ADDED:
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mListener.onInputDeviceAdded(mId);
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break;
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case ON_DEVICE_CHANGED:
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mListener.onInputDeviceChanged(mId);
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break;
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case ON_DEVICE_REMOVED:
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mListener.onInputDeviceRemoved(mId);
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break;
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default:
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Log.e(LOG_TAG, "Unknown Message Type");
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break;
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}
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// dump this runnable back in the queue
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sEventQueue.offer(this);
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}
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}
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@Override
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public void onGenericMotionEvent(MotionEvent event) {
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// detect new devices
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int id = event.getDeviceId();
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long[] timeArray = mDevices.get(id);
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if (null == timeArray) {
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notifyListeners(ON_DEVICE_ADDED, id);
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timeArray = new long[1];
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mDevices.put(id, timeArray);
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}
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long time = SystemClock.elapsedRealtime();
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timeArray[0] = time;
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}
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@Override
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public void onPause() {
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mDefaultHandler.removeMessages(MESSAGE_TEST_FOR_DISCONNECT);
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}
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@Override
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public void onResume() {
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mDefaultHandler.sendEmptyMessage(MESSAGE_TEST_FOR_DISCONNECT);
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}
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}
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