SunmiPrinter

PHOTO

Mon Aug 08 2022 02:58:15 GMT+0000 (Coordinated Universal Time)

Saved by @malibaig #java

package com.sunmi.printerhelper.activity;

import android.content.ComponentName;
import android.os.Bundle;
import android.os.RemoteException;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import androidx.annotation.Nullable;

import com.sunmi.peripheral.printer.InnerPrinterCallback;
import com.sunmi.peripheral.printer.InnerPrinterException;
import com.sunmi.peripheral.printer.InnerPrinterManager;
import com.sunmi.peripheral.printer.SunmiPrinterService;
import com.sunmi.printerhelper.R;
import com.sunmi.printerhelper.utils.BluetoothUtil;
import com.sunmi.printerhelper.utils.ESCUtil;
import com.sunmi.printerhelper.utils.SunmiPrintHelper;

import java.security.cert.Certificate;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.security.auth.login.LoginException;

public class SimpleActivity extends BaseActivity implements View.OnClickListener {
    SunmiPrinterService sunmiPrinter;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        try {
            boolean result = InnerPrinterManager.getInstance().bindService(this, new InnerPrinterCallback() {
                @Override
                protected void onConnected(SunmiPrinterService service) {
                    Toast.makeText(SimpleActivity.this, "Printer Connected", Toast.LENGTH_SHORT).show();
                    sunmiPrinter = service;
                }

                @Override
                protected void onDisconnected() {

                }
            });
            Log.e("SUNMIDEMO", "Result" + result);
        } catch (InnerPrinterException e) {
            e.printStackTrace();
        }

        setContentView(R.layout.activity_simple);
        setMyTitle("Simple Activity");

        Button simpleBut = findViewById(R.id.btn_simple);
        Button exampleBut = findViewById(R.id.btn_example);
        Button reportBut = findViewById(R.id.btn_report);

        simpleBut.setOnClickListener(this);
        exampleBut.setOnClickListener(this);
        reportBut.setOnClickListener(this);


    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.btn_simple:
                Toast.makeText(this, "Print Simple Example Clicked ", Toast.LENGTH_SHORT).show();
                onSimpleButtonClicked();
                break;
            case R.id.btn_example:
                Toast.makeText(this, "Print Complex Example Clicked", Toast.LENGTH_LONG).show();
                onComplexButtonClicked();
                break;
            case R.id.btn_report:
                Toast.makeText(this, "Print Simply Report Clicked ", Toast.LENGTH_SHORT).show();
                onSimplyReportButtonClicked();
                break;
        }

    }


    int ALIGN_LEFT = 0;
    int ALIGN_CENTER = 1;
    int ALIGN_RIGHT = 2;

    public void onSimpleButtonClicked() {
        Toast.makeText(this, "INSIDE SIMPLE BUTTON!!!!", Toast.LENGTH_SHORT).show();
        if (sunmiPrinter == null) {
            Toast.makeText(this, "SunmiPrinter is Null SIMPLE BUTTON!!!!", Toast.LENGTH_SHORT).show();
            return;
        }

        try {
            sunmiPrinter.printerInit(null);
            Toast.makeText(this, "TRY BLOCK SIMPLE BUTTON!!!!", Toast.LENGTH_SHORT).show();

            sunmiPrinter.setAlignment(ALIGN_LEFT, null);
            sunmiPrinter.printText("LEFT_ALIGNMENT\n", null);

            sunmiPrinter.setAlignment(ALIGN_RIGHT, null);
            sunmiPrinter.printText("RIGHT_ALIGNMENT\n", null);

            sunmiPrinter.setAlignment(ALIGN_CENTER, null);
            sunmiPrinter.printText("CENTER_ALIGNMENT\n", null);
            sunmiPrinter.printText("ALIGNMENT is not Changed\n", null);

            sunmiPrinter.setAlignment(ALIGN_LEFT, null);
            sunmiPrinter.printText("NOTICE: ALIGNMENT is Changed\n", null);


            sunmiPrinter.sendRAWData(ESCUtil.boldOn(), null);
            sunmiPrinter.printText("Bold Feature is ON\n", null);

            sunmiPrinter.sendRAWData(ESCUtil.boldOff(), null);
            sunmiPrinter.printText("Bold Feature is OFF\n", null);

            sunmiPrinter.printText("FONT size is increased to 40\n", null);
            sunmiPrinter.printTextWithFont("ITEM:           MEET", null, 40, null);
            sunmiPrinter.printTextWithFont("PRICE:          $59\b", null, 40, null);
            sunmiPrinter.setFontSize(36, null);

            sunmiPrinter.printText("--------------------------------\n", null);
            String[] txts = new String[]{"LEFT", "RIGHT"};
            int[] width = new int[]{1, 1};
            int[] align = new int[]{0, 2};
            sunmiPrinter.printColumnsString(txts, width, align, null);
            sunmiPrinter.printText("--------------------------------\n", null);

            sunmiPrinter.printText("--------------------------------\n", null);
            sunmiPrinter.sendRAWData(ESCUtil.boldOn(), null);
            String txts2[] = new String[]{"LEFT", "CENTER", "RIGHT"};
            int width2[] = new int[]{1, 1, 1};
            int align2[] = new int[]{0, 1, 2};
            sunmiPrinter.printColumnsString(txts2, width2, align2, null);
            sunmiPrinter.sendRAWData(ESCUtil.boldOff(), null);
            sunmiPrinter.printText("--------------------------------\n", null);

            sunmiPrinter.printText("Slash N VS LineWrap()\n", null);
            sunmiPrinter.printText("Slash N VS LineWrap()", null);
            sunmiPrinter.lineWrap(1, null);

            sunmiPrinter.setAlignment(ALIGN_CENTER, null);
            sunmiPrinter.printText("END OF PRINT", null);

            sunmiPrinter.autoOutPaper(null);
        } catch (RemoteException e) {
            Toast.makeText(this, "CATCH BLOCK SIMPLE BUTTON!!!!", Toast.LENGTH_SHORT).show();
            e.printStackTrace();
        }
    }

    private void onComplexButtonClicked() {
        if (!BluetoothUtil.isBlueToothPrinter) {
            SunmiPrintHelper.getInstance().printExample(this);
        } else {
            Toast.makeText(this, "Is Bluetooth is on ???", Toast.LENGTH_SHORT).show();
        }
    }

    private void onSimplyReportButtonClicked() {
        if (sunmiPrinter == null) {
            Toast.makeText(this, "SunmiPrinter is Null REPORT!!!!", Toast.LENGTH_SHORT).show();
            return;
        }

        String transactionsLabel = "Transaction";
        String turnoverLabel = "TurnOver";
        String netSaleLabel = "NetSale";
        String salesVatLabel = "Sales VAT";
        String returnsLabel = "Returns";
        String returnsVatLabel = "Returns VAT";

        String str_breakdown_by_payment_type = "Breakdown by payment type";
        String str_sales_totals_by_department = "Sales totals by department";
        String str_total_sales = "Total sales:";
        String str_net_sales = "Net sales:";
        String str_vat_ = "VAT:";
        String str_breakdown_by_vat_rate = "Breakdown by VAT Rate";
        String str_breakdown_by_invoice_type = "Break down by Invoice type";

        try {
            sunmiPrinter.printerInit(null);

            Toast.makeText(this, "TRY BLOCK REPORT!!!!", Toast.LENGTH_SHORT).show();

            // itemsString.append("[C]<font size='tall'>Report</font>").append("\n");
            // itemsString.append(getLineSeparator()).append("\n");
            sunmiPrinter.setAlignment(ALIGN_CENTER, null);
            sunmiPrinter.printTextWithFont("Report\n", null, 40, null);

            sunmiPrinter.setFontSize(30, null);
            sunmiPrinter.printText(getLineSeparator() + "\n", null);

            // itemsString.append("[L]Date From").append("[R]" + invoiceReport.getDateFrom()).append("\n");
            sunmiPrinter.setAlignment(ALIGN_LEFT, null);
            sunmiPrinter.printText("Date From", null);
            sunmiPrinter.setAlignment(ALIGN_RIGHT, null);
            sunmiPrinter.printText("Monday, August 8, 2022\n", null);


            // itemsString.append("[L]Date To").append("[R]" + invoiceReport.getDateTo()).append("\n");
            sunmiPrinter.setAlignment(ALIGN_LEFT, null);
            sunmiPrinter.printText("Date To", null);
            sunmiPrinter.setAlignment(ALIGN_RIGHT, null);
            sunmiPrinter.printText("Monday, August 8, 2022\n", null);

            // itemsString.append(getLineSeparator()).append("\n");
            // itemsString.append("\n");
            sunmiPrinter.printText(getLineSeparator() + "\n\n", null);

            // itemsString.append("[L]<b>" + "Total" + "</b>").append("\n");
            sunmiPrinter.setAlignment(ALIGN_LEFT, null);
            sunmiPrinter.sendRAWData(ESCUtil.boldOn(), null);
            sunmiPrinter.printText("Total", null);
            sunmiPrinter.sendRAWData(ESCUtil.boldOff(), null);

            // itemsString.append("[L]" + transactionsLabel + "").append("[R]" + invoiceReport.getTransactions()).append("\n");
            sunmiPrinter.setAlignment(ALIGN_LEFT, null);
            sunmiPrinter.printText(" " + transactionsLabel + " ", null);
            sunmiPrinter.setAlignment(ALIGN_RIGHT, null);
            sunmiPrinter.printText(" " + transactionsLabel + " \n", null);

            // itemsString.append("[L]" + turnoverLabel + "").append("[R]" + invoiceReport.getTurnOver()).append("\n");
            sunmiPrinter.setAlignment(ALIGN_LEFT, null);
            sunmiPrinter.printText(" " + turnoverLabel + " ", null);
            sunmiPrinter.setAlignment(ALIGN_RIGHT, null);
            sunmiPrinter.printText(" " + turnoverLabel + " \n", null);

            // itemsString.append("[L]" + netSaleLabel + "").append("[R]" + invoiceReport.getNetSales()).append("\n");
            sunmiPrinter.setAlignment(ALIGN_LEFT, null);
            sunmiPrinter.printText(" " + netSaleLabel + " ", null);
            sunmiPrinter.setAlignment(ALIGN_RIGHT, null);
            sunmiPrinter.printText(" " + netSaleLabel + " \n", null);


            String txts[] = new String[]{salesVatLabel, salesVatLabel + "\n"};
            int width[] = new int[]{1, 1};
            int align[] = new int[]{0, 2};
            sunmiPrinter.printColumnsString(txts, width, align, null);
            // itemsString.append("[L]" + salesVatLabel + "").append("[R]" + invoiceReport.getSalesVAT()).append("\n");


            // itemsString.append("[L]" + returnsLabel + "").append("[R]" + invoiceReport.getReturns()).append("\n");
            String txts2[] = new String[]{returnsLabel, returnsLabel + "\n"};
            sunmiPrinter.printColumnsString(txts2, width, align, null);

            // itemsString.append("[L]" + returnsVatLabel + "").append("[R]" + invoiceReport.getReturnVAT()).append("\n");
            // itemsString.append("\n");
            String txts3[] = new String[]{returnsVatLabel, returnsVatLabel + "\n"};
            sunmiPrinter.printColumnsString(txts3, width, align, null);

            // itemsString.append(getLineSeparator()).append("\n");
            // itemsString.append("[C]").append("End of Report").append("\n");
            // itemsString.append(getLineSeparator()).append("\n");

            sunmiPrinter.printText(getLineSeparator() + "\n", null);
            sunmiPrinter.setAlignment(ALIGN_CENTER, null);
            sunmiPrinter.printText("End of Report\n", null);

            SimpleDateFormat sdf = new SimpleDateFormat("dd.MM.yy HH:mm");
            String currentDateandTime = sdf.format(new Date());

            //itemsString.append("[L]" + "Printed on:" + "").append("[R]" + currentDateandTime).append("\n");
            String txts4[] = new String[]{"Printed on:", currentDateandTime + "\n"};
            sunmiPrinter.printColumnsString(txts4, width, align, null);


            // itemsString.append("\n");
            // itemsString.append("\n");
            // itemsString.append("\n");

            sunmiPrinter.lineWrap(3, null);

        } catch (RemoteException e) {
            Toast.makeText(this, "CATCH BLOCK REPORT!!!!", Toast.LENGTH_SHORT).show();
            e.printStackTrace();
        }

    }
    public static String getLineSeparator() {
        StringBuilder str = new StringBuilder();
        for (int i = 0; i < 32; i++) {
            str.append("-");
        }
        return str.toString();
    }

}

Save snippets that work from anywhere online with our extensions

Available in the Chrome Web Store

Get Firefox Add-on

Get VS Code extension

Comments

More like this

#java #howto #interviewquestions #mobile

How to use Java Swing to create a button

import javax.swing.*;  
public class FirstSwingExample {  
public static void main(String[] args) {  
JFrame f=new JFrame();//creating instance of JFrame  
          
JButton b=new JButton("click");//creating instance of JButton  
b.setBounds(130,100,100, 40);//x axis, y axis, width, height  
          
f.add(b);//adding button in JFrame  
          
f.setSize(400,500);//400 width and 500 height  
f.setLayout(null);//using no layout managers  
f.setVisible(true);//making the frame visible  
}  
}

#java #java #arraylists #while-loops #equala

How to insert ArrayList into While-condition?

List<String> songList = new ArrayList<>();
songList.add("Some song"); //Repeat until satisfied

System.out.println("\n\tWelcome! Please choose a song!");
String songChoice = scan.nextLine();
while (!songList.contains(songChoice)) {
    //Do stuff when input is not a recognised song
}

Print Nested Array in Java

String[][] deepArray = new String[][] {{"John", "Mary"}, {"Alice", "Bob"}};
System.out.println(Arrays.toString(deepArray));
//output: [[Ljava.lang.String;@106d69c, [Ljava.lang.String;@52e922]
System.out.println(Arrays.deepToString(deepArray));

How to efficiently iterate over each entry in a Java Map

Map<String, String> map = ...
for (Map.Entry<String, String> entry : map.entrySet()) {
    System.out.println(entry.getKey() + "/" + entry.getValue());
}

#java #interviewquestions #search

How to binary search in Java

import java.util.Stack;

/**
 * Java Program to implement a binary search tree. A binary search tree is a
 * sorted binary tree, where value of a node is greater than or equal to its
 * left the child and less than or equal to its right child.
 * 
 * @author WINDOWS 8
 *
 */
public class BST {

    private static class Node {
        private int data;
        private Node left, right;

        public Node(int value) {
            data = value;
            left = right = null;
        }
    }

    private Node root;

    public BST() {
        root = null;
    }

    public Node getRoot() {
        return root;
    }

    /**
     * Java function to check if binary tree is empty or not
     * Time Complexity of this solution is constant O(1) for
     * best, average and worst case. 
     * 
     * @return true if binary search tree is empty
     */
    public boolean isEmpty() {
        return null == root;
    }

    
    /**
     * Java function to return number of nodes in this binary search tree.
     * Time complexity of this method is O(n)
     * @return size of this binary search tree
     */
    public int size() {
        Node current = root;
        int size = 0;
        Stack<Node> stack = new Stack<Node>();
        while (!stack.isEmpty() || current != null) {
            if (current != null) {
                stack.push(current);
                current = current.left;
            } else {
                size++;
                current = stack.pop();
                current = current.right;
            }
        }
        return size;
    }


    /**
     * Java function to clear the binary search tree.
     * Time complexity of this method is O(1)
     */
    public void clear() {
        root = null;
    }

}

#java #java #2dchar array

How do you check a row in a 2D char array for a specific element and then count how many of that element are in the row? (Java)

private boolean oneQueenPerRow() {
    int foundQueens;
    for (int i = 0; i < board.length; i++) {
        foundQueens = 0;//each loop is a checked row
        for (int j = 0; j < board.length; j++) {
            if (board[i][j] == QUEEN)
                foundQueens++;
        }
        if (foundQueens > 1) return false;
    }
    return true;
}

Finding all classes implementing a specific interface

public <T> List<Class<? extends T>> findAllMatchingTypes(Class<T> toFind) {
    foundClasses = new ArrayList<Class<?>>();
    List<Class<? extends T>> returnedClasses = new ArrayList<Class<? extends T>>();
    this.toFind = toFind;
    walkClassPath();
    for (Class<?> clazz : foundClasses) {
        returnedClasses.add((Class<? extends T>) clazz);
    }
    return returnedClasses;
}

#java #gfg #geeksforgeeks #lecture #recursion #rope cutting

Rope Cutting Problem

import java.io.*;
import java.util.*;

class GFG 
{
	static int maxCuts(int n, int a, int b, int c)
	{
		if(n == 0) return 0;
		if(n < 0)  return -1;

		int res = Math.max(maxCuts(n-a, a, b, c), 
		          Math.max(maxCuts(n-b, a, b, c), 
		          maxCuts(n-c, a, b, c)));

		if(res == -1)
			return -1;

		return res + 1; 
	}
  
    public static void main(String [] args) 
    {
    	int n = 5, a = 2, b = 1, c = 5;
    	
    	System.out.println(maxCuts(n, a, b, c));
    }
}

#java #gfg #geeksforgeeks #arrays #practice #frequencycount #frequencies #limitedrange

Frequencies of Limited Range Array Elements

class Solution{
    //Function to count the frequency of all elements from 1 to N in the array.
    public static void frequencyCount(int arr[], int N, int P)
    {
        //Decreasing all elements by 1 so that the elements
        //become in range from 0 to n-1.
        int maxi = Math.max(P,N);
        int count[] = new int[maxi+1];
        Arrays.fill(count, 0);
        for(int i=0;i<N;i++){
            count[arr[i]]++; 
        }
        
        for(int i=0;i<N;i++){
            arr[i] = count[i+1];
        }
    }
}

#android #java #xml

Android LinearLayout gradient background

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient
        android:angle="45"
        android:startColor="#ff00ff"
        android:endColor="#000000"/>
</shape>

> More steps

Its just print some message on console

for(int i = 0; i < 108; i++) {
System.out.println('Jai Shri Ram!');
}

Intent to Start New Activity in Android Studio

// IntendedActivity - the file you wish to open
// CurrentActivity - the file where this code is placed  

Intent intent = new Intent (this, IntendedActivity.class);
    CurrentActivity.this.startActivity(intent);

Insertion Sort in Java

 public void sort(int array[]) { 
     for (int i = 1; i < array.length; i++) { 
          int key = array[i]; 
          int j = i - 1; 
          while (j >= 0 && array[j] > key) { 
              array[j + 1] = array[j]; 
              j = j - 1; 
          } 
          array[j + 1] = key; 
      } 
 }

> More steps

Storing data in SQLite Database in android

public class LocalDatabase extends SQLiteOpenHelper {
         
    private static final String mDatabaseName = "LocalDatabase";
    private static final int mDatabaseVersion = 1;

public LocalDatabase(Context context) {
        super(context, mDatabaseName, null, mDatabaseVersion);
        SQLiteDatabase db = this.getWritableDatabase();
    }      

}

> More steps

How to use Alarm Manager in android?

    AlarmManager alarmManager;

> More steps

Browse more snippets >>