Android Open Source - TaxCalculatorAndroid Tax Calculator

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License

The source code is released under:

Copyright (c) Agiliq Info Solutions India Pvt. Ltd. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following con...

Java Source Code

package com.agiliq.taxcalc;
/*  w ww  .j  a v  a  2  s . c om*/
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import java.lang.Math;

import com.agiliq.taxcalcpro.R;
import com.flurry.android.FlurryAgent;

public class TaxCalculator extends Activity 
    implements Button.OnClickListener{
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        System.out.println("10");
        setContentView(R.layout.main);
        
        
    }
    
    public void onStart()
    {
        super.onStart();
        FlurryAgent.onStartSession(this, "GSYR3HKPHK9Y5242RPBQ");
    }
    
    public void onClick(View v){
      EditText income = (EditText)findViewById(R.id.income);
        EditText investments = (EditText)findViewById(R.id.investments);
        EditText infraInvestments = (EditText)findViewById(R.id.infraInvestment);
        EditText housingInterest = (EditText)findViewById(R.id.housingInterest);
        EditText medicalPremium = (EditText)findViewById(R.id.medicalPremium);
        TextView calculatedTax = (TextView)findViewById(R.id.calculated_tax);
        
        int income_i, investments_i, infraInvestments_i;
        int housingInterest_i, medicalPremium_i;
        try{
          income_i = Integer.parseInt(income.getText().toString());
        }
        catch (NumberFormatException e) {
      income_i = 0;
    }
        try {
          investments_i = Integer.parseInt(investments.getText().toString());
    } catch (NumberFormatException e) {
      investments_i = 0;
    }
        try {
          infraInvestments_i = Integer.parseInt(infraInvestments.getText().toString());
    } catch (NumberFormatException e) {
      infraInvestments_i = 0;
    }
        try {
          housingInterest_i = Integer.parseInt(housingInterest.getText().toString());
    } catch (NumberFormatException e) {
      housingInterest_i = 0;
    }
        try {
          medicalPremium_i =  Integer.parseInt(medicalPremium.getText().toString());
    } catch (NumberFormatException e) {
      medicalPremium_i = 0;
    }
        
        int final_tax = calculateTax(income_i, investments_i, infraInvestments_i, housingInterest_i, medicalPremium_i); 
        calculatedTax.setText("" + final_tax);
        TextView taxBottom = (TextView)findViewById(R.id.taxBot);
        taxBottom.setText(""+final_tax);
        
    }
    
    public int calculateTax(int income, int investments, int infraInvestments, int housingInterest, int medicalPremium){
      investments = Math.max(0, Math.min(investments, 100000));
      infraInvestments = Math.max(0, Math.min(infraInvestments, 20000));
      housingInterest =  Math.max(0, Math.min(housingInterest, 15000));
      medicalPremium =   Math.max(0, Math.min(medicalPremium, 35000));
      int taxableIncome = income - (investments+infraInvestments+housingInterest+medicalPremium);
      
      return (int)getTax(taxableIncome);
    }
    
    public double getTax(int taxableIncome){
        double taxOnThisSlab;
        if (taxableIncome < 160000) {
            return 0;
        }
        else if (taxableIncome < 500000){
            taxOnThisSlab = 0.1 * (taxableIncome - 160000);
            return taxOnThisSlab;
        }
        else if (taxableIncome < 800000){
            taxOnThisSlab = 0.2 * (taxableIncome - 500000);
            return taxOnThisSlab + 34000;
        
        }
        else {
            taxOnThisSlab = 0.3 * (taxableIncome - 800000);
            return taxOnThisSlab + 94000;
        }
        
    }
    
    public void onStop()
    {
        super.onStop();
        FlurryAgent.onEndSession(this);
    }
}

Java Source Code List

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