Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;

public class Main {
    public static Bitmap getBitmapFromDisk(String url, Context ctx) {

        Bitmap defautBitmap = null;
        try {
            String filename = constructFileName(url);
            File filePath = new File(ctx.getCacheDir(), filename);

            if (filePath.exists() && filePath.isFile() && !filePath.isDirectory()) {
                FileInputStream fi;
                BitmapFactory.Options opts = new BitmapFactory.Options();
                opts.inPreferredConfig = Config.RGB_565;
                fi = new FileInputStream(filePath);
                defautBitmap = BitmapFactory.decodeStream(fi, null, opts);
            }

        } catch (FileNotFoundException e) {
            e.printStackTrace();

        } catch (Exception e) {

        } catch (OutOfMemoryError e) {

        }

        return defautBitmap;
    }

    public static String constructFileName(String url) {
        return url.replaceAll("/", "_");
    }
}