Android Open Source - MVC Digit Object Pool

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License

The source code is released under:

Apache License

Java Source Code

package com.musselwhizzle.mvc.widgets;
//  www.j  a  v  a  2 s . c o m
import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.text.TextPaint;
import android.util.Log;
import android.view.Gravity;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.TextView;

public class DigitObjectPool {
    private static final String TAG = DigitObjectPool.class.getSimpleName();
    private static final boolean DEBUG = false;
    private Context context;
    private int size;
    private List<TextView> txtPool;
    private List<Animation> aniPool;

    public DigitObjectPool(Context context, int size) {
        this.context = context;
        this.size = size;
        txtPool = new ArrayList<TextView>(size);
        aniPool = new ArrayList<Animation>(size);
    }

    public TextView getTextView() {
        if (!txtPool.isEmpty()) {
            if (DEBUG) Log.i(TAG, "Got object from pool");
            return txtPool.remove(0);
        } else {
            if (DEBUG) Log.i(TAG, "creating new object");
            return createTextView();
        }
    }

    public Animation getOutAnimation() {
        if (!aniPool.isEmpty()) {
            if (DEBUG) Log.i(TAG, "Got object from pool");
            return aniPool.remove(0);
        } else {
            if (DEBUG) Log.i(TAG, "creating new object");
            return createOutAnimation();
        }
    }

    public void recycle(TextView textView) {
        if (txtPool.size() < size) {
            if (DEBUG) Log.i(TAG, "recycling object");
            txtPool.add(textView);
        } else {
            if (DEBUG) Log.i(TAG, "object thrown away");
        }
    }

    public void recycle(Animation ani) {
        if (aniPool.size() < size) {
            if (DEBUG) Log.i(TAG, "recycling object");
            aniPool.add(ani);
        } else {
            if (DEBUG) Log.i(TAG, "object thrown away");
        }
    }

    private TextView createTextView() {
        TextView t = new TextView(context);
        t.setGravity( Gravity.CENTER );
        t.setTextColor(0xFFFFFFFF);
        t.setPadding(3, 0, 3, 0);
        t.setTextSize(25);
        t.setPaintFlags( TextPaint.ANTI_ALIAS_FLAG | TextPaint.SUBPIXEL_TEXT_FLAG | t.getPaintFlags() );
        return t;
    }

    private Animation createOutAnimation() {
        Animation outAni = new TranslateAnimation(
                Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
                Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 1.0f
        );
        outAni.setDuration(100);
        outAni.setFillEnabled(true);
        outAni.setFillAfter(true);
        return outAni;
    }
}

Java Source Code List

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