Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.InputStream;

import android.content.ContentResolver;
import android.content.Context;

import android.graphics.BitmapFactory;

import android.net.Uri;

public class Main {
    /** @see http://stackoverflow.com/questions/477572/android-strange-out-of-memory-issue */
    public static int getSampleSize(Context context, Uri uri, float maxSize) {
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        if (uri.getScheme().equals(ContentResolver.SCHEME_CONTENT)) {
            try {
                InputStream stream = context.getContentResolver().openInputStream(uri);
                BitmapFactory.decodeStream(stream, null, options);
                stream.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        } else
            BitmapFactory.decodeFile(uri.getPath(), options);
        int longSide = Math.max(options.outHeight, options.outWidth);
        return getSampleSize(longSide, maxSize);
    }

    public static int getSampleSize(int size, float maxSize) {
        int scale = 1;
        if (size > maxSize)
            scale = 1 << (int) (Math.log(size / maxSize) / Math.log(2));
        System.out.println("inSampleSize=" + scale);
        return scale;
    }
}