Returns the estimated memory usage in bytes for a bitmap. - Android Graphics

Android examples for Graphics:Bitmap Byte Array

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Description

Returns the estimated memory usage in bytes for a bitmap.

Demo Code


//package com.java2s;

import java.lang.reflect.Method;

import android.graphics.Bitmap;

public class Main {
    /** Returns the estimated memory usage in bytes for a bitmap. Calls bitmap.getByteCount() if that method
     * is available (in API level 12 or higher), otherwise returns 4 times the number of pixels in the bitmap.
     *//*  w  w w.  jav a 2s.c  o  m*/
    public static int getBitmapByteCount(Bitmap bitmap) {
        try {
            Method byteCountMethod = Bitmap.class.getMethod("getByteCount");
            return (Integer) byteCountMethod.invoke(bitmap);
        } catch (Exception ex) {
            return 4 * bitmap.getWidth() * bitmap.getHeight();
        }
    }
}

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