package com.dantsu.thermalprinter;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import android.Manifest;
import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.widget.Button;
import android.widget.EditText;
import com.dantsu.escposprinter.connection.DeviceConnection;
import com.dantsu.escposprinter.connection.bluetooth.BluetoothConnection;
import com.dantsu.escposprinter.connection.bluetooth.BluetoothPrintersConnections;
import com.dantsu.escposprinter.connection.tcp.TcpConnection;
import com.dantsu.escposprinter.connection.usb.UsbConnection;
import com.dantsu.escposprinter.connection.usb.UsbPrintersConnections;
import com.dantsu.escposprinter.textparser.PrinterTextParserImg;
import com.dantsu.thermalprinter.async.AsyncBluetoothEscPosPrint;
import com.dantsu.thermalprinter.async.AsyncEscPosPrint;
import com.dantsu.thermalprinter.async.AsyncEscPosPrinter;
import com.dantsu.thermalprinter.async.AsyncTcpEscPosPrint;
import com.dantsu.thermalprinter.async.AsyncUsbEscPosPrint;
import java.text.SimpleDateFormat;
import java.util.Date;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button = (Button) this.findViewById(R.id.button_bluetooth_browse);
button.setOnClickListener(view -> browseBluetoothDevice());
button = (Button) findViewById(R.id.button_bluetooth);
button.setOnClickListener(view -> printBluetooth());
button = (Button) this.findViewById(R.id.button_usb);
button.setOnClickListener(view -> printUsb());
button = (Button) this.findViewById(R.id.button_tcp);
button.setOnClickListener(view -> printTcp());
}
/*==============================================================================================
======================================BLUETOOTH PART============================================
==============================================================================================*/
public interface OnBluetoothPermissionsGranted {
void onPermissionsGranted();
}
public static final int PERMISSION_BLUETOOTH = 1;
public static final int PERMISSION_BLUETOOTH_ADMIN = 2;
public static final int PERMISSION_BLUETOOTH_CONNECT = 3;
public static final int PERMISSION_BLUETOOTH_SCAN = 4;
public OnBluetoothPermissionsGranted onBluetoothPermissionsGranted;
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
switch (requestCode) {
case MainActivity.PERMISSION_BLUETOOTH:
case MainActivity.PERMISSION_BLUETOOTH_ADMIN:
case MainActivity.PERMISSION_BLUETOOTH_CONNECT:
case MainActivity.PERMISSION_BLUETOOTH_SCAN:
this.checkBluetoothPermissions(this.onBluetoothPermissionsGranted);
break;
}
}
}
public void checkBluetoothPermissions(OnBluetoothPermissionsGranted onBluetoothPermissionsGranted) {
this.onBluetoothPermissionsGranted = onBluetoothPermissionsGranted;
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.S && ContextCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.BLUETOOTH}, MainActivity.PERMISSION_BLUETOOTH);
} else if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.S && ContextCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_ADMIN) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.BLUETOOTH_ADMIN}, MainActivity.PERMISSION_BLUETOOTH_ADMIN);
} else if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S && ContextCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.BLUETOOTH_CONNECT}, MainActivity.PERMISSION_BLUETOOTH_CONNECT);
} else if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S && ContextCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_SCAN) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.BLUETOOTH_SCAN}, MainActivity.PERMISSION_BLUETOOTH_SCAN);
} else {
this.onBluetoothPermissionsGranted.onPermissionsGranted();
}
}
private BluetoothConnection selectedDevice;
public void browseBluetoothDevice() {
this.checkBluetoothPermissions(() -> {
final BluetoothConnection[] bluetoothDevicesList = (new BluetoothPrintersConnections()).getList();
if (bluetoothDevicesList != null) {
final String[] items = new String[bluetoothDevicesList.length + 1];
items[0] = "Default printer";
int i = 0;
for (BluetoothConnection device : bluetoothDevicesList) {
items[++i] = device.getDevice().getName();
}
AlertDialog.Builder alertDialog = new AlertDialog.Builder(MainActivity.this);
alertDialog.setTitle("Bluetooth printer selection");
alertDialog.setItems(
items,
(dialogInterface, i1) -> {
int index = i1 - 1;
if (index == -1) {
selectedDevice = null;
} else {
selectedDevice = bluetoothDevicesList[index];
}
Button button = (Button) findViewById(R.id.button_bluetooth_browse);
button.setText(items[i1]);
}
);
AlertDialog alert = alertDialog.create();
alert.setCanceledOnTouchOutside(false);
alert.show();
}
});
}
public void printBluetooth() {
this.checkBluetoothPermissions(() -> {
new AsyncBluetoothEscPosPrint(
this,
new AsyncEscPosPrint.OnPrintFinished() {
@Override
public void onError(AsyncEscPosPrinter asyncEscPosPrinter, int codeException) {
Log.e("Async.OnPrintFinished", "AsyncEscPosPrint.OnPrintFinished : An error occurred !");
}
@Override
public void onSuccess(AsyncEscPosPrinter asyncEscPosPrinter) {
Log.i("Async.OnPrintFinished", "AsyncEscPosPrint.OnPrintFinished : Print is finished !");
}
}
)
.execute(this.getAsyncEscPosPrinter(selectedDevice));
});
}
/*==============================================================================================
===========================================USB PART=============================================
==============================================================================================*/
private static final String ACTION_USB_PERMISSION = "com.android.example.USB_PERMISSION";
private final BroadcastReceiver usbReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (MainActivity.ACTION_USB_PERMISSION.equals(action)) {
synchronized (this) {
UsbManager usbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
UsbDevice usbDevice = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) {
if (usbManager != null && usbDevice != null) {
new AsyncUsbEscPosPrint(
context,
new AsyncEscPosPrint.OnPrintFinished() {
@Override
public void onError(AsyncEscPosPrinter asyncEscPosPrinter, int codeException) {
Log.e("Async.OnPrintFinished", "AsyncEscPosPrint.OnPrintFinished : An error occurred !");
}
@Override
public void onSuccess(AsyncEscPosPrinter asyncEscPosPrinter) {
Log.i("Async.OnPrintFinished", "AsyncEscPosPrint.OnPrintFinished : Print is finished !");
}
}
)
.execute(getAsyncEscPosPrinter(new UsbConnection(usbManager, usbDevice)));
}
}
}
}
}
};
public void printUsb() {
UsbConnection usbConnection = UsbPrintersConnections.selectFirstConnected(this);
UsbManager usbManager = (UsbManager) this.getSystemService(Context.USB_SERVICE);
if (usbConnection == null || usbManager == null) {
new AlertDialog.Builder(this)
.setTitle("USB Connection")
.setMessage("No USB printer found.")
.show();
return;
}
PendingIntent permissionIntent = PendingIntent.getBroadcast(
this,
0,
new Intent(MainActivity.ACTION_USB_PERMISSION),
android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S ? PendingIntent.FLAG_MUTABLE : 0
);
IntentFilter filter = new IntentFilter(MainActivity.ACTION_USB_PERMISSION);
registerReceiver(this.usbReceiver, filter);
usbManager.requestPermission(usbConnection.getDevice(), permissionIntent);
}
/*==============================================================================================
=========================================TCP PART===============================================
==============================================================================================*/
public void printTcp() {
final EditText ipAddress = (EditText) this.findViewById(R.id.edittext_tcp_ip);
final EditText portAddress = (EditText) this.findViewById(R.id.edittext_tcp_port);
try {
new AsyncTcpEscPosPrint(
this,
new AsyncEscPosPrint.OnPrintFinished() {
@Override
public void onError(AsyncEscPosPrinter asyncEscPosPrinter, int codeException) {
Log.e("Async.OnPrintFinished", "AsyncEscPosPrint.OnPrintFinished : An error occurred !");
}
@Override
public void onSuccess(AsyncEscPosPrinter asyncEscPosPrinter) {
Log.i("Async.OnPrintFinished", "AsyncEscPosPrint.OnPrintFinished : Print is finished !");
}
}
)
.execute(
this.getAsyncEscPosPrinter(
new TcpConnection(
ipAddress.getText().toString(),
Integer.parseInt(portAddress.getText().toString())
)
)
);
} catch (NumberFormatException e) {
new AlertDialog.Builder(this)
.setTitle("Invalid TCP port address")
.setMessage("Port field must be an integer.")
.show();
e.printStackTrace();
}
}
/*==============================================================================================
===================================ESC/POS PRINTER PART=========================================
==============================================================================================*/
/**
* Asynchronous printing
*/
@SuppressLint("SimpleDateFormat")
public AsyncEscPosPrinter getAsyncEscPosPrinter(DeviceConnection printerConnection) {
SimpleDateFormat format = new SimpleDateFormat("'on' yyyy-MM-dd 'at' HH:mm:ss");
AsyncEscPosPrinter printer = new AsyncEscPosPrinter(printerConnection, 203, 48f, 32);
return printer.addTextToPrint(
"[C]<img>" + PrinterTextParserImg.bitmapToHexadecimalString(printer, this.getApplicationContext().getResources().getDrawableForDensity(R.drawable.logo, DisplayMetrics.DENSITY_MEDIUM)) + "</img>\n" +
"[L]\n" +
"[C]<u><font size='big'>ORDER N°045</font></u>\n" +
"[L]\n" +
"[C]<u type='double'>" + format.format(new Date()) + "</u>\n" +
"[C]\n" +
"[C]================================\n" +
"[L]\n" +
"[L]<b>BEAUTIFUL SHIRT</b>[R]9.99€\n" +
"[L] + Size : S\n" +
"[L]\n" +
"[L]<b>AWESOME HAT</b>[R]24.99€\n" +
"[L] + Size : 57/58\n" +
"[L]\n" +
"[C]--------------------------------\n" +
"[R]TOTAL PRICE :[R]34.98€\n" +
"[R]TAX :[R]4.23€\n" +
"[L]\n" +
"[C]================================\n" +
"[L]\n" +
"[L]<u><font color='bg-black' size='tall'>Customer :</font></u>\n" +
"[L]Raymond DUPONT\n" +
"[L]5 rue des girafes\n" +
"[L]31547 PERPETES\n" +
"[L]Tel : +33801201456\n" +
"\n" +
"[C]<barcode type='ean13' height='10'>831254784551</barcode>\n" +
"[L]\n" +
"[C]<qrcode size='20'>https://dantsu.com/</qrcode>\n"
);
}
}
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