C API Samples: Difference between revisions
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== Printer == | == JNI Samples == | ||
=== Printer === | |||
The following code shows how to print some content: | The following code shows how to print some content: | ||
int result = PrinterInterface.open(); | int result = PrinterInterface.open(); | ||
| Line 37: | Line 38: | ||
} | } | ||
PrinterInterface.close(); | PrinterInterface.close(); | ||
== Contactless card reader == | === Contactless card reader === | ||
Revision as of 08:55, 8 April 2018
JNI Samples
Printer
The following code shows how to print some content:
int result = PrinterInterface.open();
if (result <0){
return;
}
Bitmap bitmap = BitmapFactory.decodeResource(mContext.getResources(),
R.drawable.printer_barcode_low);
byte[] arryBeginText = null;
byte[] arryEndText = null;
try {
arryBeginText = mContext.getResources().getString(R.string.print_QR_code).getBytes("GB2312");
arryEndText = "This is a Bitmap of Barcode".getBytes("GB2312");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
int result = PrinterInterface.begin();
if (result <0){
return;
}
result = PrinterInterface.write(arryBeginText, arryBeginText.length);
if (result <0){
return;
}
// print line break
writeLineBreak(2);
PrinterBitmapUtil.printBitmap(bitmap, 0, 0, true);
// print line break
writeLineBreak(2);
// print text
write(arryEndText);
// print line break
writeLineBreak(2);
result = PrinterInterface.end();
if (result <0){
return;
}
PrinterInterface.close();