Java tutorial
//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; } }