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Code Issues Releases Wiki Activity

Added fullfunctionality to the interface.

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This commit is contained in:
tokugawa
2014-02-09 20:38:55 -05:00
parent a3de9394f0
commit 421bf4e1e8
2 changed files with 144 additions and 5 deletions
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3
HW2/res/layout/activity_main.xml
View File

@ -180,7 +180,8 @@
android:layout_width="fill_parent" android:layout_width="fill_parent"
android:layout_height="wrap_content" android:layout_height="wrap_content"
android:layout_weight="1" android:layout_weight="1"
android:text="@string/btnExit" /> android:text="@string/btnExit"
android:onClick="onClick" />
</TableRow> </TableRow>
</TableLayout> </TableLayout>

144
HW2/src/edu/uncc/itcs4180/hw2/MainActivity.java
View File

@ -1,22 +1,160 @@
package edu.uncc.itcs4180.hw2; package edu.uncc.itcs4180.hw2;
import java.text.NumberFormat;
import android.os.Bundle; import android.os.Bundle;
import android.app.Activity; import android.app.Activity;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.Menu; import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
public class MainActivity extends Activity { public class MainActivity extends Activity implements OnCheckedChangeListener,
OnSeekBarChangeListener, View.OnClickListener, TextWatcher
{
final static double TEN = .10;
final static double TWOFIVE = .25;
final static double FIVEZERO = .50;
RadioGroup percents;
SeekBar customBar;
Button exit;
EditText listPrice;
TextView saved, paid, customPercent;
NumberFormat currencyFormat, percentFormat;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main); setContentView(R.layout.activity_main);
currencyFormat = NumberFormat.getCurrencyInstance();
percentFormat = NumberFormat.getPercentInstance();
customPercent = (TextView) findViewById(R.id.lblCustomPercentValue);
customPercent.setText(percentFormat.format(0));
saved = (TextView) findViewById(R.id.lblUserSavesValue);
paid = (TextView) findViewById(R.id.lblUserPaysValue);
customBar = (SeekBar) findViewById(R.id.seekCustom);
customBar.setOnSeekBarChangeListener(this);
percents = (RadioGroup) findViewById(R.id.rdgDiscountPercent);
percents.setOnCheckedChangeListener(this);
listPrice = (EditText) findViewById(R.id.txtListedPrice);
listPrice.addTextChangedListener(this);
} }
@Override @Override
public boolean onCreateOptionsMenu(Menu menu) { public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present. // Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu); getMenuInflater().inflate(R.menu.main, menu);
return true; return true;
} }
@Override
public void onProgressChanged(SeekBar bar, int progress, boolean fromUser)
{
customPercent.setText(percentFormat.format(progress/100.0));
}
@Override
public void onStartTrackingTouch(SeekBar bar)
{
// No need
}
@Override
public void onStopTrackingTouch(SeekBar bar)
{
bar.setSecondaryProgress(bar.getProgress());
updateCost();
}
@Override
public void onClick(View v)
{
// TODO Auto-generated method stub
finish();
}
@Override
public void onCheckedChanged(RadioGroup rg, int checkedId)
{
// TODO Auto-generated method stub
updateCost();
}
@Override
public void afterTextChanged(Editable arg0) {
// TODO Auto-generated method stub
updateCost();
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
int arg3) {
// TODO Auto-generated method stub
}
@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
// TODO Auto-generated method stub
updateCost();
if(listPrice.getText().toString().trim().equals(""))
{
listPrice.setError("Enter List Price");
}
}
public void updateCost()
{
double savedAmount;
double paidAmount;
try {
double startPrice = Double.parseDouble(listPrice.getText().toString());
if (((RadioButton)findViewById(R.id.rad10Pct)).isChecked())
{
savedAmount=startPrice * TEN;
paidAmount=startPrice * (1 - TEN);
}
else if (((RadioButton)findViewById(R.id.rad25Pct)).isChecked())
{
savedAmount=startPrice * TWOFIVE;
paidAmount=startPrice * (1 - TWOFIVE);
}
else if (((RadioButton)findViewById(R.id.rad50Pct)).isChecked())
{
savedAmount=startPrice * FIVEZERO;
paidAmount=startPrice * (1 - FIVEZERO);
}
else
{
int percentage=Integer.parseInt(customPercent.getText().toString().replaceAll("[\\D]",""));
savedAmount=startPrice * percentage/100;
paidAmount=startPrice * (1 - percentage/100);
}
}
catch (Exception e)
{
if(listPrice.getText().toString().trim().equals(""))
{
listPrice.setError("Enter List Price");
}
savedAmount=0;
paidAmount=0;
}
saved.setText(currencyFormat.format(savedAmount));
paid.setText(currencyFormat.format(paidAmount));
}
} }