addHR func before addNewLine

app/src/main/java/xyz/mtfos/btdemo/MainActivity.kt

@@ -51,7 +51,7 @@ class MainActivity : Activity() {
         connectBtn.isEnabled = true
         disconnectBtn.isEnabled = false
 
-        ble = PrinterBle(this@MainActivity, "43:43:A1:12:1F:AC", "dd535b71-8f05-4e30-beb0-6fa7ea3dfc3e", "00000001-8f05-4e30-beb0-6fa7ea3dfc3e")
+        ble = PrinterBle(this@MainActivity, "B8:27:EB:21:C2:1A", "dd535b71-8f05-4e30-beb0-6fa7ea3dfc3e", "00000001-8f05-4e30-beb0-6fa7ea3dfc3e")
 
         ble?.setOnStateChangeListener {
             System.out.println("Now State is >>>> " + it)

app/src/main/java/xyz/mtfos/btdemo/PrinterBle.java

@@ -418,6 +418,7 @@ public class PrinterBle {
     public PrinterBle addHR() {
         int align = this.lastAlign;
         setAlign(ALIGN_CENTER);
+        textNewLine();
         addTextln(StringUtils.repeat('-', 20));
         setAlign(align);
         return this;