Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*      2017 Grouxho (esp-desarrolladores.com)
    
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
    
 http://www.apache.org/licenses/LICENSE-2.0
    
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import android.content.Context;

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

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

import java.io.FileNotFoundException;

import java.io.InputStream;

public class Main {
    public static Drawable get_scaled_drawable_from_uri_string_for_square_container(Context context, String uri,
            int max_size) {
        Drawable drawable = null;
        Uri img_uri = Uri.parse(uri);
        if (uri != null) {
            try {

                InputStream inputStream = context.getContentResolver().openInputStream(img_uri);
                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
                int sx = bitmap.getWidth();
                int sy = bitmap.getHeight();

                int fsx = max_size;
                int fsy = max_size;

                if (sy > sx)
                    fsx = (int) ((float) max_size * ((float) sx / (float) sy));
                else if (sx > sy)
                    fsy = (int) ((float) max_size * ((float) sy / (float) sx));

                Bitmap small_bitmap = Bitmap.createScaledBitmap(bitmap, fsx, fsy, false);
                bitmap.recycle();
                drawable = new BitmapDrawable(context.getResources(), small_bitmap);
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            }
        }
        return drawable;
    }
}