Android Open Source - HoloCounter Main Activity

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License

The source code is released under:

Copyright (c) 2012 Veselin Romic (OmegaVesko) Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to dea...

Java Source Code

package com.omegavesko.simplecounter;
//from   w w  w .  ja  v  a  2s.  c o m
import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import com.omegavesko.holocounter.R;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        ActionBar actionBar = getActionBar();
        actionBar.show();
        actionBar.setDisplayShowHomeEnabled(false);
        
        setTitle();
    }

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


@Override
public boolean onOptionsItemSelected(MenuItem item)
{
  switch(item.getItemId())
  {
    case R.id.item_reset:
      reset();
      return true;
    case R.id.settingsButton:
      Intent intent = new Intent(this, SettingsActivity.class);
      startActivity(intent);
      return true;
    default:
      return super.onOptionsItemSelected(item);
      
  }
}

public void increment(View view)
{
  String counter_step = getPreference("counter_step");
  int counter_step_int;
  
  if(counter_step.equals("Unset"))
  {
    counter_step_int = 1;
  }
  else
  {
    counter_step_int = Integer.parseInt(counter_step);
  }
  
  TextView counterDisplay = (TextView) findViewById(R.id.number_display);
  
  String string_counter = counterDisplay.getText().toString();
  int int_counter = Integer.parseInt(string_counter);
  
  if(int_counter < (1000 - counter_step_int))
  {  
    int_counter = int_counter + counter_step_int;
  }
  
  string_counter = String.valueOf(int_counter);
  counterDisplay.setText(string_counter);
}

public void decrement(View view)
{
  String counter_step = getPreference("counter_step");
  int counter_step_int;
  
  if(counter_step.equals("Unset"))
  {
    counter_step_int = 1;
  }
  else
  {
    counter_step_int = Integer.parseInt(counter_step);
  }
  
  TextView counterDisplay = (TextView) findViewById(R.id.number_display);
  
  String string_counter = counterDisplay.getText().toString();
  int int_counter = Integer.parseInt(string_counter);
  
  if(int_counter > (-100 + counter_step_int))
  {
    int_counter = int_counter - counter_step_int;
  }
  
  
  string_counter = String.valueOf(int_counter);
  counterDisplay.setText(string_counter);
}

public void reset()
{
TextView counterDisplay = (TextView) findViewById(R.id.number_display);
  
  String string_counter = counterDisplay.getText().toString();
  int int_counter = Integer.parseInt(string_counter);
  
  int_counter = 0;
  
  string_counter = String.valueOf(int_counter);
  counterDisplay.setText(string_counter);
}



public String getPreference(String preference)
{
  SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(this);
  String returnString = sharedPref.getString(preference, "Unset");
  
  return returnString;
}


public void setTitle()
{
  Button titleText = (Button) findViewById(R.id.titleText);
  
  String titlePreference = getPreference("counter_title");
  
  if(titlePreference.equals("Unset"))
  {
    titlePreference = "No Title";
  }
  
  if(titlePreference != "No Title" && titlePreference != "" && titlePreference != null)
  {
    titleText.setText("Currently counting: " + titlePreference);
  }
  else
  {
    titleText.setText(" ");
  }
} 
}

Java Source Code List

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