WifiQrView.java 文件源码

@Override
protected void onFinishInflate() {
    super.onFinishInflate();
    setUIFromWifi();

    ImageView qrImage = (ImageView) findViewById(R.id.wifi_qr_code);

    // Replace all blacks with the background blue.
    qrImage.setColorFilter(new LightingColorFilter(0xffffffff, getResources().getColor(R.color.swap_blue)));

    Button openQr = (Button) findViewById(R.id.btn_qr_scanner);
    openQr.setOnClickListener(new Button.OnClickListener() {
        @Override
        public void onClick(View v) {
            getActivity().initiateQrScan();
        }
    });

    // TODO: Unregister this receiver properly.
    LocalBroadcastManager.getInstance(getActivity()).registerReceiver(
            new BroadcastReceiver() {
                @Override
                public void onReceive(Context context, Intent intent) {
                    setUIFromWifi();
                }
            },
            new IntentFilter(WifiStateChangeService.BROADCAST)
    );
}