Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;

import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;

import java.io.InputStream;

public class Main {
    /**
     * Drawable to Bitmap
     */
    public static Bitmap drawableToBitmap(Drawable drawable) {
        if (drawable instanceof BitmapDrawable)
            ((BitmapDrawable) drawable).getBitmap();
        int width = drawable.getIntrinsicWidth();
        int height = drawable.getIntrinsicHeight();
        Bitmap bitmap = createBitmapSafely(width, height, Bitmap.Config.ARGB_8888, 1);
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, width, height);
        drawable.draw(canvas);
        return bitmap;
    }

    public static Bitmap getBitmap(String path) {
        try {
            return BitmapFactory.decodeFile(path);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public static Bitmap getBitmap(InputStream is) {
        try {
            return BitmapFactory.decodeStream(is);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public static Bitmap createBitmapSafely(int width, int height, Bitmap.Config config, int retryCount) {
        try {
            return Bitmap.createBitmap(width, height, config);
        } catch (OutOfMemoryError e) {
            e.printStackTrace();
            if (retryCount > 0) {
                System.gc();
                return createBitmapSafely(width, height, config, retryCount - 1);
            }
            return null;
        }
    }
}