read the photo file into a byte array : Array « Date Type « Android

read the photo file into a byte array


class Utils {

  // read the photo file into a byte array...
  public static byte[] getBytesFromFile(File file) throws IOException {
    InputStream is = new FileInputStream(file);
    long length = file.length();
    if (length > Integer.MAX_VALUE) {
      // File is too large
    byte[] bytes = new byte[(int) length];
    int offset = 0;
    int numRead = 0;
    while (offset < bytes.length
        && (numRead =, offset, bytes.length - offset)) >= 0) {
      offset += numRead;
    if (offset < bytes.length) {
      throw new IOException("Could not completely read file "
          + file.getName());
    return bytes;


Related examples in the same category

1.Load string array value from strings.xml
2.Returns a clone of the specified array.
3.Tests two arrays for equality.
4.Transforms a list of Float values into an array of float.
5.Split the string into an array of strings using one of the separator in 'sep'.
6.Int array to HashSet
7.Array Iterator
8.Convert an array of floats to 16.16 fixed-point
9.Convert an array of 16.16 fixed-point values to floating point
10.Reverse an array
11.Using android.util.SparseArray
12.Join an array of Strings together.
13.Compare Arrays
14.Does Array contain a certain item
15.Create Array with Unique Value
16.Resize a Java array
17.Get Node value and save to ArrayList
18.byte Array To Int
19.load 16 Bit PCM Raw Data File As Double Array
20.convert From Short Array To Double Array
21.convert From Double Array To Short Array
22.get Set From Array
23.Convert an array of floats to 16.16 fixed-point 2 To Byte Array 4
25.Convert a byte array to a boolean array. Bit 0 is represented with false, Bit 1 is represented with 1
26.Return a subarray of the byte array in parameter.