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) 2010 The Android Open Source Project
 *
 * 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.media.ExifInterface;
import android.net.Uri;

import android.util.Log;

import java.io.IOException;

public class Main {
    public static int defineExifOrientation(Uri imageUri, String mimeType) {
        int rotation = 0;
        if ("image/jpeg".equalsIgnoreCase(mimeType) && "file".equals(imageUri.getScheme())) {
            try {
                ExifInterface exif = new ExifInterface(imageUri.getPath());
                int exifOrientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION,
                        ExifInterface.ORIENTATION_NORMAL);
                Log.e("dsd", "exifOrientation:" + exifOrientation);
                switch (exifOrientation) {
                case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
                case ExifInterface.ORIENTATION_NORMAL:
                    rotation = 0;
                    break;
                case ExifInterface.ORIENTATION_TRANSVERSE:
                case ExifInterface.ORIENTATION_ROTATE_90:
                    rotation = 90;
                    break;
                case ExifInterface.ORIENTATION_FLIP_VERTICAL:
                case ExifInterface.ORIENTATION_ROTATE_180:
                    rotation = 180;
                    break;
                case ExifInterface.ORIENTATION_TRANSPOSE:
                case ExifInterface.ORIENTATION_ROTATE_270:
                    rotation = 270;
                    break;
                }
            } catch (IOException e) {
                Log.e("dsd", "Can't read EXIF tags from file [%s]" + imageUri);
            }
        }
        return rotation;
    }
}