我有以下代码：
public void refreshWidget() {
doBindService();
mBoundService.loadState();
doUnbindService();
}
private static ServiceConnection mAppWidgetServiceConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName className, IBinder service) {
// This is called when the connection with the service has been
// established, giving us the service object we can use to
// interact with the service. Because we have bound to a explicit
// service that we know is running in our own process, we can
// cast its IBinder to a concrete class and directly access it.
mBoundService = ((AppWidgetService.LocalBinder) service)
.getService();
}
@Override
public void onServiceDisconnected(ComponentName className) {
// This is called when the connection with the service has been
// unexpectedly disconnected -- that is, its process crashed.
// Because it is running in our same process, we should never
// see this happen.
mBoundService = null;
}
};
static void doBindService() {
// Establish a connection with the service. We use an explicit
// class name because we want a specific service implementation that
// we know will be running in our own process (and thus won't be
// supporting component replacement by other applications).
if (!mIsBound) {
// mContext.startService(new Intent(mContext,
// AppWidgetService.class));
mContext.bindService(new Intent(mContext,
AppWidgetService.class),
mAppWidgetServiceConnection, Context.BIND_AUTO_CREATE);
mIsBound = true;
}
}
怎么会mBoundService==null 在这一行mBoundService.loadState();？
我错过了什么？