Java tutorial
//package com.java2s; /******************************************************************************* * Copyright 2014 Federico Iosue (federico.iosue@gmail.com) * * 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.graphics.Bitmap; import android.graphics.Matrix; import android.media.ExifInterface; import android.util.Log; public class Main { /** * To avoid problems with rotated videos retrieved from camera * @param bitmap * @param filePath * @return */ public static Bitmap rotateImage(Bitmap bitmap, String filePath) { Bitmap resultBitmap = bitmap; try { ExifInterface exifInterface = new ExifInterface(filePath); int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION, 1); Matrix matrix = new Matrix(); if (orientation == ExifInterface.ORIENTATION_ROTATE_90) { matrix.postRotate(ExifInterface.ORIENTATION_ROTATE_90); } else if (orientation == ExifInterface.ORIENTATION_ROTATE_180) { matrix.postRotate(ExifInterface.ORIENTATION_ROTATE_180); } else if (orientation == ExifInterface.ORIENTATION_ROTATE_270) { matrix.postRotate(ExifInterface.ORIENTATION_ROTATE_270); } // Rotate the bitmap resultBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); } catch (Exception exception) { Log.d("AndroidTouchGallery", "Could not rotate the image"); } return resultBitmap; } }