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.graphics.BitmapFactory;

import java.io.InputStream;

public class Main {
    /**
     * Determines if the file contains a valid image.
     *
     * @param pathName A file path.
     * @return {@code true} if the stream contains a valid image; {@code false} if not.
     */
    public static boolean hasImageContent(String pathName) {
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(pathName, options);
        return options.outMimeType != null;
    }

    /**
     * Determines if the stream contains a valid image.
     *
     * @param inputStream An input stream.
     * @return {@code true} if the stream contains a valid image; {@code false} if not.
     */
    public static boolean hasImageContent(InputStream inputStream) {
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(inputStream, null, options);
        return options.outMimeType != null;
    }
}