Android Open Source - mnemonicmajorsystem-android Learn Numbers

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Back to project page mnemonicmajorsystem-android.

License

The source code is released under:

Apache License

Java Source Code

package com.demimojo.majorsystem.quiz.activity;
/*from w  ww.j  a  v  a 2 s .c  o m*/
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.demimojo.majorsystem.quiz.R;
import com.demimojo.majorsystem.quiz.utils.Logger;

import java.util.Random;

public class LearnNumbers extends ActionBarActivity {

    private int max = 99;
    private int min = 0;
    private final String LogComponent = "LearnNumbers";

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

        final Random rand = new Random();

        int randomNum = rand.nextInt((max - min) + 1) + min;
        String randomStr = String.format("%02d", randomNum);

        final RelativeLayout layout = (RelativeLayout)findViewById(R.id.learn_numbers_layout);
        layout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                ImageView imgView = (ImageView)findViewById(R.id.img_activity_learn_numbers);
                if (imgView.getVisibility() == View.INVISIBLE) {
                    // We need to make the image visible.
                    TextView numberView = (TextView)findViewById(R.id.learn_number_text);
                    String imgTxt = numberView.getText().toString();
                    Logger.d(LogComponent, "Image text: " + imgTxt);
                    int imgId = getResources().getIdentifier("drawable/img_"+imgTxt, "drawable", getPackageName());
                    imgView.setBackgroundResource(imgId);
                    imgView.setVisibility(View.VISIBLE);
                } else {
                    // We need to make the image invisible, and generate a new random integer.
                    imgView.setVisibility(View.INVISIBLE);

                    int randomNum = rand.nextInt((max - min) + 1) + min;
                    String randomStr = String.format("%02d", randomNum);
                    TextView numberView = (TextView)findViewById(R.id.learn_number_text);
                    numberView.setText(randomStr);
                }
            }
        });
        TextView numberView = (TextView)findViewById(R.id.learn_number_text);
        numberView.setText(randomStr);
    }


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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

Java Source Code List

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