verify Bitmap - Android Graphics

Android examples for Graphics:Bitmap Read

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Description

verify Bitmap

Demo Code


//package com.java2s;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;

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

import java.io.IOException;
import java.io.InputStream;

import android.graphics.BitmapFactory;

public class Main {

    public static boolean verifyBitmap(byte[] datas) {
        return verifyBitmap(new ByteArrayInputStream(datas));
    }/* w  w  w. j a  v  a2  s  .co  m*/

    public static boolean verifyBitmap(InputStream input) {
        if (input == null) {
            return false;
        }
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        input = input instanceof BufferedInputStream ? input
                : new BufferedInputStream(input);
        BitmapFactory.decodeStream(input, null, options);
        try {
            input.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return (options.outHeight > 0) && (options.outWidth > 0);
    }

    public static boolean verifyBitmap(String path) {
        try {
            return verifyBitmap(new FileInputStream(path));
        } catch (final FileNotFoundException e) {
            e.printStackTrace();
        }
        return false;
    }
}

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