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Witty-Kitty/BaseConverterActivity.java

Created December 31, 2014 20:43
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The following are source code files for an android program that converts numbers from decimal to their binary digits as well as giving step by syep instructions of how this occurs.
Raw
BaseConverterActivity.java
package com.example.baseconverter;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class BaseConverterActivity extends Activity implements View.OnClickListener{
public final static String EXTRA_MESSAGE2 = "com.example.baseconverter.BaseConverterActivity.outcome";
public final static String EXTRA_MESSAGE1 = "com.example.baseconverter.BaseConverterActivity.fullexplain2";
Button num1, num2, num3, num4, num5, num6, num7, num8, num9, dec2bit;
EditText number;
String thenumber, explain, fullexplain, outcome, input="", extra="\nAnswer is then written from bottom to top.", fullexplain2;
TextView result;
int intform, intform1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
number=(EditText)findViewById(R.id.textFirst);
result=(TextView)findViewById(R.id.result);
num1=(Button)findViewById(R.id.b1);
num1.setOnClickListener(this);
num2=(Button)findViewById(R.id.b2);
num2.setOnClickListener(this);
num3=(Button)findViewById(R.id.b3);
num3.setOnClickListener(this);
num4=(Button)findViewById(R.id.b4);
num4.setOnClickListener(this);
num5=(Button)findViewById(R.id.b5);
num5.setOnClickListener(this);
num6=(Button)findViewById(R.id.b6);
num6.setOnClickListener(this);
num7=(Button)findViewById(R.id.b7);
num7.setOnClickListener(this);
num8=(Button)findViewById(R.id.b8);
num8.setOnClickListener(this);
num9=(Button)findViewById(R.id.b9);
num9.setOnClickListener(this);
dec2bit=(Button)findViewById(R.id.dec2bit);
dec2bit.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch(v.getId()){
case R.id.dec2bit:
outcome="";
intform1 = intform = Integer.parseInt(thenumber=number.getText().toString());
while(intform>0){
if (intform%2 == 0){
outcome="0"+outcome;
}else{
outcome="1"+outcome;
}
intform=intform/2;
}
result.setText(outcome);
fullexplain="";
int res, res2;
while (intform1>0){
if (intform1%2 != 0){
res= (int) (intform1/2);
}else{
res = intform1/2;
}
res2=intform1%2;
explain = (intform1 + "/2 = " + res + " and remainder is " + res2+"\n");
intform1=res;
fullexplain=fullexplain+explain;
}
fullexplain2=fullexplain+extra;
Intent intent = new Intent(this, MainActivity.class);
intent.putExtra(EXTRA_MESSAGE1, fullexplain2);
intent.putExtra(EXTRA_MESSAGE2, outcome);
startActivity(intent);
break;
case R.id.b1:
thenumber=number.getText().toString();
number.setText(input=input+"1");
break;
case R.id.b2:
thenumber=number.getText().toString();
number.setText(input+input+"2");
break;
case R.id.b3:
thenumber=number.getText().toString();
number.setText(input=input+"3");
break;
case R.id.b4:
thenumber=number.getText().toString();
number.setText(input=input+"4");
break;
case R.id.b5:
thenumber=number.getText().toString();
number.setText(input=input+"5");
break;
case R.id.b6:
thenumber=number.getText().toString();
number.setText(input=input+"6");
break;
case R.id.b7:
thenumber=number.getText().toString();
number.setText(input=input+"7");
break;
case R.id.b8:
thenumber=number.getText().toString();
number.setText(input=input+"8");
break;
case R.id.b9:
thenumber=number.getText().toString();
number.setText(input=input+"9");
break;
}
}
}
Raw
convert.java
package com.example.baseconverter;
public class convert {
static String explain;
public static void main(String args[]){
int n=34;
int res, res2;
while (n>0){
if (n%2 != 0){
res= (int) (n/2 - 0.5);
}else{
res = n/2;
}
res2=n%2;
explain = (n + "/2 = " + res + "and remainder is " + res2);
n=res;
}
System.out.println(explain);
}
}
Raw
MainActivity.java
package com.example.baseconverter;
import android.os.Bundle;
import android.content.Intent;
import android.widget.TextView;
public class MainActivity extends BaseConverterActivity {
TextView theResult, theExplanation;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_explanation);
Intent intent = getIntent();
String outcome = intent.getStringExtra(BaseConverterActivity.EXTRA_MESSAGE2);
String fullexplain2 = intent.getStringExtra(BaseConverterActivity.EXTRA_MESSAGE1);
theResult=(TextView)findViewById(R.id.theResult);
theResult.setText(outcome);
theExplanation=(TextView)findViewById(R.id.theExplanation);
theExplanation.setText(fullexplain2);
}
}
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