文件路徑:\node_modules\react-native-smart-barcode\android\src\main\java\com\reactnativecomponent\barcode\decoding\DecodeHandler.java
將代碼
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
修改爲
BinaryBitmap bitmap;
Long iy=System.currentTimeMillis();
iy=(iy/1000)%6;
if(iy<3){
bitmap = new BinaryBitmap(new HybridBinarizer(source));
}else{
bitmap = new BinaryBitmap(new HybridBinarizer(source.invert()));
}
大約在125行左右
因爲 react-native-smart-barcode使用的也是zxing,所以該方法也支持zxing.