Get Exif Orientation - Android User Interface

Android examples for User Interface:Screen Orientation

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Description

Get Exif Orientation

Demo Code


//package com.java2s;

import java.io.IOException;

import android.media.ExifInterface;
import android.util.Log;

public class Main {
    private static final String TAG = "CAMERA::Activity";

    public synchronized static int GetExifOrientation(String filepath) {
        int degree = 0;
        ExifInterface exif = null;//ww w  . jav  a 2  s. co  m

        try {
            exif = new ExifInterface(filepath);
        } catch (IOException e) {
            Log.e(TAG, "cannot read exif");
            e.printStackTrace();
        }

        if (exif != null) {
            int orientation = exif.getAttributeInt(
                    ExifInterface.TAG_ORIENTATION, -1);

            if (orientation != -1) {
                // We only recognize a subset of orientation tag values.
                switch (orientation) {
                case ExifInterface.ORIENTATION_ROTATE_90:
                    degree = 90;
                    break;

                case ExifInterface.ORIENTATION_ROTATE_180:
                    degree = 180;
                    break;

                case ExifInterface.ORIENTATION_ROTATE_270:
                    degree = 270;
                    break;
                }
            }
        }

        return degree;
    }
}

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