DownloadManager.java 文件源码

@Override
public void onReceive(Context context, Intent intent) {
    if (TelephonyIntents.ACTION_SERVICE_STATE_CHANGED.equals(intent.getAction())) {
        if (LOCAL_LOGV) {
            Log.v(TAG, "Service state changed: " + intent.getExtras());
        }

        ServiceState state = ServiceState.newFromBundle(intent.getExtras());
        boolean isRoaming = state.getRoaming();
        if (LOCAL_LOGV) {
            Log.v(TAG, "roaming ------> " + isRoaming);
        }
        synchronized (sInstance) {
            mAutoDownload = getAutoDownloadState(mPreferences, isRoaming);
            if (LOCAL_LOGV) {
                Log.v(TAG, "mAutoDownload ------> " + mAutoDownload);
            }
        }
    }
}