Android Open Source - TimeCalculator Main Activity

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From Project

Back to project page TimeCalculator.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.nelitow.timecalculator;
//  w  w  w.  j  a v  a2  s. com
import java.util.Calendar;

import android.app.Activity;
import android.os.Bundle;
import android.text.format.Time;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.NumberPicker;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {
  NumberPicker np1;
  NumberPicker np2;
  NumberPicker np3;
  Button add;
  Button sub;
  Button mult;
  Button div;
  Button now;
  TextView timeOut;
  int Hour;
  int Min;
  int Sec;

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

    initiateNumberPickers();
    initiateButtons();

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  public void initiateNumberPickers() {
    np1 = (NumberPicker) findViewById(R.id.np1);
    np1.setMaxValue(24);
    np1.setMinValue(0);
    np2 = (NumberPicker) findViewById(R.id.np2);
    np2.setMaxValue(60);
    np2.setMinValue(0);
    np3 = (NumberPicker) findViewById(R.id.np3);
    np3.setMaxValue(60);
    np3.setMinValue(0);
  }

  public void initiateButtons() {
    add = (Button) findViewById(R.id.Button_Add);
    sub = (Button) findViewById(R.id.Button_Subtract);
    mult = (Button) findViewById(R.id.Button_Multiply);
    div = (Button) findViewById(R.id.Button_Divide);
    now = (Button) findViewById(R.id.Button_Now);
    timeOut = (TextView) findViewById(R.id.TV_Time);

    add.setOnClickListener((android.view.View.OnClickListener) this);
    sub.setOnClickListener((android.view.View.OnClickListener) this);
    mult.setOnClickListener((android.view.View.OnClickListener) this);
    div.setOnClickListener((android.view.View.OnClickListener) this);
    now.setOnClickListener((android.view.View.OnClickListener) this);
  }

  @Override
  public void onClick(View v) {
    if (add.getId() == ((Button) v).getId()) {
      add();
      setTime();
      clearNP();
    }
    if (now.getId() == ((Button) v).getId()) {
      setNPToNow();
    }
  }

  public void setNPToNow() {
    Time today = new Time(Time.getCurrentTimezone());
    today.setToNow();
    np1.setValue(today.hour);
    np2.setValue(today.minute);
    np3.setValue(today.second);
  }

  public void setTime() {
    String SecT;
    String MinT;
    String HourT;
    if (Sec < 10) {
      SecT = "0" + Sec;
    } else {
      SecT = Sec + "";
    }
    if (Min < 10) {
      MinT = "0" + Min;
    } else {
      MinT = Min + "";
    }
    if (Hour < 10) {
      HourT = "0" + Hour;
    } else {
      HourT = Hour + "";
    }
    timeOut.setText(HourT + ":" + MinT + ":" + SecT);
  }

  public void add() {
    if (Sec + np3.getValue() >= 60) {
      Sec = Sec + np3.getValue();
      Min++;
      Sec = Sec - 60;
    } else {
      Sec = Sec + np3.getValue();
    }

    if (Min + np2.getValue() >= 60) {
      Min = Min + np2.getValue();
      Hour++;
      Min = Min - 60;
    } else {
      Min = Min + np2.getValue();
    }

    Hour = Hour + np1.getValue();

  }

  public void clearNP() {
    np1.setValue(0);
    np2.setValue(0);
    np3.setValue(0);
  }
}

Java Source Code List

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