Print custom invoice via Bluetooth and usb printers on android

I am developing android app and i want to print custom invoice this my code

public class PrintBillActivity extends AppCompatActivity {

Display mDisplay;
String imagesUri;
String path;
Bitmap bitmap;

int totalHeight;
int totalWidth;

public static final int READ_PHONE = 110;
String file_name = "Screenshot";
File myPath;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_print_bill);

    RecyclerView l=findViewById(R.id.lv);

    Button btn = findViewById(R.id.print_btn);

    WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
    mDisplay = wm.getDefaultDisplay();
    LinearLayoutManager lm = new LinearLayoutManager(PrintBillActivity.this);
    lm.setOrientation(RecyclerView.VERTICAL);
    l.setLayoutManager(lm);

    String s=getIntent().getExtras().getString("data");
    Type type = new TypeToken<List<selected_service_item>>() {
    }.getType();
    ArrayList<selected_service_item> data=new Gson().fromJson(s,type);
    selected_services_adapter adapter=new selected_services_adapter(data);

    l.setAdapter(adapter);

    btn.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (ContextCompat.checkSelfPermission(PrintBillActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)
               ActivityCompat.requestPermissions(PrintBillActivity.this,new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},1);
            else{
                btn.setVisibility(View.GONE);
                takeScreenShot();
                btn.setVisibility(View.VISIBLE);
            }

        }
    });


}

public Bitmap getBitmapFromView(View view, int totalHeight, int totalWidth){

    Bitmap returnedBitmap = Bitmap.createBitmap(totalWidth, totalHeight, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(returnedBitmap);
    Drawable bgDrawable = view.getBackground();

    if(bgDrawable != null){
        bgDrawable.draw(canvas);
    }else{
        canvas.drawColor(Color.WHITE);
    }

    view.draw(canvas);
    return returnedBitmap;
}

private void takeScreenShot(){

    File folder = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/ScreenShot/");

    if(!folder.exists()){
        boolean success = folder.mkdir();
    }

    path = folder.getAbsolutePath();
    path = path + "/" + file_name + System.currentTimeMillis() + ".pdf";

    View u = findViewById(R.id.ticket);

    NestedScrollView z = findViewById(R.id.ticket);
    totalHeight = z.getChildAt(0).getHeight();
    totalWidth = z.getChildAt(0).getWidth();

    String extr = Environment.getExternalStorageDirectory() + "/Flight Ticket/";
    File file = new File(extr);
    if(!file.exists())
        file.mkdir();
    String fileName = file_name + ".jpg";
    myPath = new File(extr, fileName);
    imagesUri = myPath.getPath();
    bitmap = getBitmapFromView(u, totalHeight, totalWidth);

    try{
        FileOutputStream fos = new FileOutputStream(myPath);
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
        fos.flush();
        fos.close();
    }catch (Exception e){
        e.printStackTrace();
    }

    createPdf();


}

private void createPdf() {

    PdfDocument document = new PdfDocument();
    PdfDocument.PageInfo pageInfo = new PdfDocument.PageInfo.Builder(bitmap.getWidth(), bitmap.getHeight(), 1).create();
    PdfDocument.Page page = document.startPage(pageInfo);

    Canvas canvas = page.getCanvas();

    Paint paint = new Paint();
    paint.setColor(Color.parseColor("#ffffff"));
    canvas.drawPaint(paint);

    Bitmap bitmap = Bitmap.createScaledBitmap(this.bitmap, this.bitmap.getWidth(), this.bitmap.getHeight(), true);

    paint.setColor(Color.BLUE);
    canvas.drawBitmap(bitmap, 0, 0, null);
    document.finishPage(page);
    File filePath = new File(path);
    try{
        if(!filePath.exists()){
            boolean success = filePath.createNewFile();
        }
        document.writeTo(new FileOutputStream(filePath));
    }catch (IOException e){
        e.printStackTrace();
        Toast.makeText(this, "Something Wrong: "+e.toString(), Toast.LENGTH_SHORT).show();
    }

    document.close();

    if (myPath.exists())
        myPath.delete();

    //openPdf(path);
    printBIll();

}


private void printBIll(){

    PrintManager printManager= (PrintManager) getSystemService(Context.PRINT_SERVICE);
    try
    {
        PrintDocumentAdapter printAdapter = new PdfDocumentAdapter(this,path );
        printManager.print("Document", printAdapter,new PrintAttributes.Builder().build());


    }

    catch (Exception e)
    {
        Log.d("pdfer",e.getMessage());
    }
}
@Override
public void onBackPressed() {
    startActivity(new Intent(this,MainActivity.class));
    finish();
}


@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)
        takeScreenShot();
    else
        Toast.makeText(this, "يرجى منح الصلاحيات للطباعة", Toast.LENGTH_SHORT).show();
}

activity_print_bill.xml

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="فاتورة"
        android:textStyle="bold"
        android:textSize="22sp"/>

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="26dp"
        android:textSize="14sp"
        android:text="رقم الفاتورة: 37913 "/>

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:text="إسم المتجر"
        android:textSize="16sp"
        android:textStyle="bold"
        android:textColor="#E4222121" />

    <TextView
        android:id="@+id/textView4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:text="عنوان المتجر"
        android:textSize="16sp"
        android:textStyle="bold"
        android:textColor="#E4222121" />

    <TextView
        android:id="@+id/textView5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:text="تاريخ: 12/12/2021"
        android:layout_gravity="right"/>

    <TextView
        android:id="@+id/textView6"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:text="الرقم الضريبي: 123456789002"
        android:layout_gravity="right" />
    <TextView
        android:id="@+id/textView10"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:text="الخدمات :"
        android:textSize="16sp"
        android:textColor="#E4222121"
        android:textStyle="bold"
        android:layout_gravity="right"/>

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/lv"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp" />

    <TextView
        android:id="@+id/textView7"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:layout_gravity="right"
        android:text="المجموع شامل ضريبة القيمة المضافة (ريال)   220"
        />

    <TextView
        android:id="@+id/textView8"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:textSize="16sp"
        android:textStyle="bold"
        android:textColor="#E4222121"
        android:text="ضريبة القيمة المضافة(15%)       32 "
        android:layout_gravity="right" />

    <TextView
        android:id="@+id/textView9"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="شكرا لك لاستخدام خدمتنا "
        android:layout_marginTop="36dp" />


    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="@android:color/darker_gray"
        android:layout_marginTop="18dp"/>

    <Button
        android:id="@+id/print_btn"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textStyle="bold"
        android:textColor="@color/black"
        android:text="طباعة"/>

</androidx.appcompat.widget.LinearLayoutCompat>

</androidx.core.widget.NestedScrollView>

The Code simply convert invoice layout to pdf and than print the pdf ,but when I try it on usb printer doesn't shom me the printer .so how i can print custom layout via usb printers or is there anywhy to print custom invoice via any printer? note:I see most of old question and they do not doing what i want

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