Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;

public class Main {
    public static Drawable createGradientColorAndCover(Context context, int coveredResID, int CoverColor) {
        //final Resources res=context.getResources();
        final Resources res = context.getResources();
        Bitmap bitmap = BitmapFactory.decodeResource(res, coveredResID);
        if (bitmap == null) {
            return null;
        }
        final int length = bitmap.getWidth();
        final int height = bitmap.getHeight();
        int[] shape = new int[length * height];
        int[] colors = new int[length * height];
        bitmap.getPixels(shape, 0, length, 0, 0, length, height);
        int color = CoverColor;
        for (int i = 0; i < length * height; i++) {
            float percent = ((float) i % length / length) * 0xff;
            int alpha = ((int) percent << 6 * 4);
            alpha &= shape[i] & 0xFF000000;
            colors[i] = (alpha) | (color & 0x00FFFFFF);
        }
        Bitmap newbitmap = Bitmap.createBitmap(length, height, Bitmap.Config.ARGB_8888);
        newbitmap.setPixels(colors, 0, length, 0, 0, length, height);
        Bitmap fooBitmap = Bitmap.createBitmap(length, height, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(fooBitmap);
        Paint paint = new Paint();
        canvas.drawBitmap(bitmap, 0, 0, paint);
        canvas.drawBitmap(newbitmap, 0, 0, paint);
        newbitmap.recycle();
        bitmap.recycle();
        return new BitmapDrawable(res, fooBitmap);
    }
}