Android Open Source - loancalc Display Installments List Activity

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From Project

Back to project page loancalc.

License

The source code is released under:

Apache License

Java Source Code

/**
 *    Copyright 2014 Xavier Delaunay//  w ww . j a v  a  2s.  com
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

package com.dxav.loancalc;

import java.util.ArrayList;
import java.util.Locale;
import java.util.Vector;

import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;
import android.widget.Toast;

public class DisplayInstallmentsListActivity extends ListActivity {

  ArrayList<Vector<String>> mInstallmentsList = null;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_display_installments_list);

    mInstallmentsList = createInstallmentsList();

    setListAdapter(new CustomFiveTextViewsRowBaseAdatper(this,
        mInstallmentsList));

    // Show the help message
    Toast.makeText(getApplicationContext(),
        getResources().getString(R.string.help_installments_list),
        Toast.LENGTH_LONG).show();
  }

  @Override
  public void onListItemClick(ListView l, View v, int position, long id) {
    // Show the installment information in a toast
    Toast.makeText(
        getApplicationContext(),
        String.format("%s: %s\n%s: %s\n%s: %s\n%s: %s\n%s: %s",
            getResources().getString(R.string.installment_number),
            mInstallmentsList.get(position).get(0), getResources()
                .getString(R.string.outstanding_capital),
            mInstallmentsList.get(position).get(1), getResources()
                .getString(R.string.interest_repayment),
            mInstallmentsList.get(position).get(2), getResources()
                .getString(R.string.principal_repayment),
            mInstallmentsList.get(position).get(3), getResources()
                .getString(R.string.installment_amount),
            mInstallmentsList.get(position).get(4)),
        Toast.LENGTH_LONG).show();
  }

  private ArrayList<Vector<String>> createInstallmentsList() {
    ArrayList<Vector<String>> installmentsList = new ArrayList<Vector<String>>();

    // Load the data from the intent
    Intent intent = getIntent();
    double capital = intent.getDoubleExtra(
        MainActivity.EXTRA_BORROWED_CAPITAL, 0);
    double annualRatePercentage = intent.getDoubleExtra(
        MainActivity.EXTRA_ANNUAL_RATE_PERCENTAGE, 0);
    int nInstallments = intent.getIntExtra(
        MainActivity.EXTRA_NUMBER_OF_INSTALLMENTS, 0);

    // Create the loan object
    Loan loan = new Loan(capital, annualRatePercentage, nInstallments);

    for (int i = 1; i <= nInstallments; i++) {

      // Create the installment data container
      Vector<String> installment = new Vector<String>();

      // Fill the installment data container
      installment.add(Integer.toString(i));
      installment.add(String.format(Locale.ENGLISH, "%.2f",
          loan.getOutstandingCapital(i)));
      installment.add(String.format(Locale.ENGLISH, "%.2f",
          loan.computeInterestRepayment(i)));
      installment.add(String.format(Locale.ENGLISH, "%.2f",
          loan.computePrincipalRepayment(i)));
      installment.add(String.format(Locale.ENGLISH, "%.2f",
          loan.getInstallmentAmount(i)));

      // Add this installment to the list
      installmentsList.add(installment);
    }

    return installmentsList;
  }
}

Java Source Code List

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