private int mCurrentNumberOfSample = 0;
private int mCurrentBandwidth = 0;
private ConnectionQualityChangeListener mConnectionQualityChangeListener;
public static ConnectionClassManager getInstance() {
if (sInstance == null) {
<BUG>synchronized (ConnectionClassManager.class) {
sInstance = new ConnectionClassManager();
}</BUG>
}
return sInstance;

private int mCurrentNumberOfSample = 0;
private int mCurrentBandwidth = 0;
private ConnectionQualityChangeListener mConnectionQualityChangeListener;
public static ConnectionClassManager getInstance() {
if (sInstance == null) {
synchronized (ConnectionClassManager.class) {
if (sInstance == null) {
sInstance = new ConnectionClassManager();
}
}
}
return sInstance;
