Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (c) 2017 by Tran Le Duy
 *
 * 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.net.Uri;

import java.io.FileNotFoundException;

public class Main {
    /**
     * Returns a BitmapFactory.Options object containing the size of the image at the given URI,
     * without actually loading the image.
     */
    public static BitmapFactory.Options computeBitmapSizeFromURI(Context context, Uri imageURI)
            throws FileNotFoundException {
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        Bitmap bitmap = BitmapFactory.decodeStream(context.getContentResolver().openInputStream(imageURI), null,
                options);
        if (bitmap != null) {
            bitmap.recycle();
        }
        return options;
    }
}