Util.java revision f75f0f05491560f3be90a1cee05c1ecc90227d42
1101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin/* 2101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * Copyright (C) 2009 The Android Open Source Project 3101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * 4101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * Licensed under the Apache License, Version 2.0 (the "License"); 5101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * you may not use this file except in compliance with the License. 6101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * You may obtain a copy of the License at 7101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * 8101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * http://www.apache.org/licenses/LICENSE-2.0 9101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * 10101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * Unless required by applicable law or agreed to in writing, software 11101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * distributed under the License is distributed on an "AS IS" BASIS, 12101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * See the License for the specific language governing permissions and 14101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * limitations under the License. 15101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin */ 16101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin 17937fc48b37fafe3ffc8f4b52bd9a171bbb4d3a37Owen Linpackage com.android.camera; 18101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin 193f3c857e3f34650c15d764810335024654b0fcc3Owen Linimport android.app.Activity; 203f3c857e3f34650c15d764810335024654b0fcc3Owen Linimport android.app.AlertDialog; 21dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Liimport android.app.admin.DevicePolicyManager; 228ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Liimport android.content.ActivityNotFoundException; 238ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Liimport android.content.ContentResolver; 24dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Liimport android.content.Context; 253f3c857e3f34650c15d764810335024654b0fcc3Owen Linimport android.content.DialogInterface; 268ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Liimport android.content.Intent; 27101d528d59f447847d5c6b7578642132c2b76f4fOwen Linimport android.graphics.Bitmap; 28101d528d59f447847d5c6b7578642132c2b76f4fOwen Linimport android.graphics.BitmapFactory; 29101d528d59f447847d5c6b7578642132c2b76f4fOwen Linimport android.graphics.Matrix; 30043ad7e3404cdf74afc01076551c84d70a0a01d3Wu-cheng Liimport android.graphics.Point; 31048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huangimport android.graphics.Rect; 32048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huangimport android.graphics.RectF; 33c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Liimport android.hardware.Camera; 34a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Liimport android.hardware.Camera.CameraInfo; 3510fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Liimport android.hardware.Camera.Parameters; 366227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatraimport android.hardware.Camera.Size; 37a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Liimport android.location.Location; 388ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Liimport android.net.Uri; 39dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Liimport android.os.Build; 408ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Liimport android.os.ParcelFileDescriptor; 4110208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Liimport android.telephony.TelephonyManager; 4216ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Liimport android.util.DisplayMetrics; 434d226d16bb06861527e5ec162e39d9673e23df83akahuangimport android.util.FloatMath; 44101d528d59f447847d5c6b7578642132c2b76f4fOwen Linimport android.util.Log; 456227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatraimport android.view.Display; 46a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Liimport android.view.OrientationEventListener; 47ac9d0a1ce538eb4bd50cba3b257737a05b9ac4e5Chih-Chung Changimport android.view.Surface; 48601ce56b034f111b2875e7636776f2f359f6a156Owen Linimport android.view.View; 49e0861e7473d042bdd9c935f3bdf50ae220891b6cWu-cheng Liimport android.view.Window; 5016ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Liimport android.view.WindowManager; 51ea136afa2f4d38428ad486df5fb0a24db8314a3dChih-yu Huangimport android.view.animation.AlphaAnimation; 52ea136afa2f4d38428ad486df5fb0a24db8314a3dChih-yu Huangimport android.view.animation.Animation; 53101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin 54101d528d59f447847d5c6b7578642132c2b76f4fOwen Linimport java.io.Closeable; 558ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Liimport java.io.IOException; 5610208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Liimport java.lang.reflect.Method; 57757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Liimport java.text.SimpleDateFormat; 58757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Liimport java.util.Date; 591efb18228a45952d699af280482e1c51a4582690Owen Linimport java.util.List; 6010fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Liimport java.util.StringTokenizer; 61101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin 62101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin/** 63101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin * Collection of utility functions used in this package. 64101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin */ 65101d528d59f447847d5c6b7578642132c2b76f4fOwen Linpublic class Util { 6634fe2a9d33a5b4ce49862ce4558a36c62ba6d540Chih-Chung Chang private static final String TAG = "Util"; 67101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin 68131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala // Orientation hysteresis amount used in rounding, in degrees 69131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala public static final int ORIENTATION_HYSTERESIS = 5; 70131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala 7171bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li public static final String REVIEW_ACTION = "com.android.camera.action.REVIEW"; 72f75f0f05491560f3be90a1cee05c1ecc90227d42Wu-cheng Li // See android.hardware.Camera.ACTION_NEW_PICTURE. 73f75f0f05491560f3be90a1cee05c1ecc90227d42Wu-cheng Li public static final String ACTION_NEW_PICTURE = "android.hardware.action.NEW_PICTURE"; 74f75f0f05491560f3be90a1cee05c1ecc90227d42Wu-cheng Li // See android.hardware.Camera.ACTION_NEW_VIDEO. 75f75f0f05491560f3be90a1cee05c1ecc90227d42Wu-cheng Li public static final String ACTION_NEW_VIDEO = "android.hardware.action.NEW_VIDEO"; 7671bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li 77bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau // Private intent extras. Test only. 789e1fcfe35695fd1e71d6c86f28075ca356e5bad5Wu-cheng Li private static final String EXTRAS_CAMERA_FACING = 799e1fcfe35695fd1e71d6c86f28075ca356e5bad5Wu-cheng Li "android.intent.extras.CAMERA_FACING"; 80bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau 8116ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li private static float sPixelDensity = 1; 82ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang private static ImageFileNamer sImageFileNamer; 83bed7386688cd7810cba23732ab71f370fe3222ffChung-yih Wang 84101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin private Util() { 85101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin } 86101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin 87bed7386688cd7810cba23732ab71f370fe3222ffChung-yih Wang public static void initialize(Context context) { 8816ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li DisplayMetrics metrics = new DisplayMetrics(); 8916ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li WindowManager wm = (WindowManager) 9016ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li context.getSystemService(Context.WINDOW_SERVICE); 9116ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li wm.getDefaultDisplay().getMetrics(metrics); 9216ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li sPixelDensity = metrics.density; 93ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang sImageFileNamer = new ImageFileNamer( 94ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang context.getString(R.string.image_file_name_format)); 95bed7386688cd7810cba23732ab71f370fe3222ffChung-yih Wang } 96bed7386688cd7810cba23732ab71f370fe3222ffChung-yih Wang 9716ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li public static int dpToPixel(int dp) { 9816ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li return Math.round(sPixelDensity * dp); 9916ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li } 10016ca94d73bfe07f280e381595709b56c2681b2bcWu-cheng Li 101101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin // Rotates the bitmap by the specified degree. 102101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin // If a new bitmap is created, the original bitmap is recycled. 103101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin public static Bitmap rotate(Bitmap b, int degrees) { 1049cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li return rotateAndMirror(b, degrees, false); 1059cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li } 1069cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li 1079cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li // Rotates and/or mirrors the bitmap. If a new bitmap is created, the 1089cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li // original bitmap is recycled. 1099cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li public static Bitmap rotateAndMirror(Bitmap b, int degrees, boolean mirror) { 1109cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li if ((degrees != 0 || mirror) && b != null) { 111101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin Matrix m = new Matrix(); 112b416f542580970aeac320219b80137b1e9f8d4cdMike Dodd // Mirror first. 113b416f542580970aeac320219b80137b1e9f8d4cdMike Dodd // horizontal flip + rotation = -rotation + horizontal flip 1149cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li if (mirror) { 1159cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li m.postScale(-1, 1); 1169cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li degrees = (degrees + 360) % 360; 1179cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li if (degrees == 0 || degrees == 180) { 118913f3784d368a5e11fee5d5db2c355ef832685daWu-cheng Li m.postTranslate(b.getWidth(), 0); 1199cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li } else if (degrees == 90 || degrees == 270) { 120913f3784d368a5e11fee5d5db2c355ef832685daWu-cheng Li m.postTranslate(b.getHeight(), 0); 1219cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li } else { 1229cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li throw new IllegalArgumentException("Invalid degrees=" + degrees); 1239cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li } 1249cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li } 125b416f542580970aeac320219b80137b1e9f8d4cdMike Dodd if (degrees != 0) { 126b416f542580970aeac320219b80137b1e9f8d4cdMike Dodd // clockwise 127b416f542580970aeac320219b80137b1e9f8d4cdMike Dodd m.postRotate(degrees, 128b416f542580970aeac320219b80137b1e9f8d4cdMike Dodd (float) b.getWidth() / 2, (float) b.getHeight() / 2); 129b416f542580970aeac320219b80137b1e9f8d4cdMike Dodd } 1309cfab4bc18b8d9d905263c687e19c06df885dca7Wu-cheng Li 131101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin try { 132101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin Bitmap b2 = Bitmap.createBitmap( 133101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin b, 0, 0, b.getWidth(), b.getHeight(), m, true); 134101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin if (b != b2) { 135101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin b.recycle(); 136101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin b = b2; 137101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin } 138101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin } catch (OutOfMemoryError ex) { 139101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin // We have no memory to rotate. Return the original bitmap. 140101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin } 141101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin } 142101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin return b; 143101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin } 144101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin 145101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin /* 146ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang * Compute the sample size as a function of minSideLength 147ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang * and maxNumOfPixels. 1483c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * minSideLength is used to specify that minimal width or height of a 1493c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * bitmap. 1503c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * maxNumOfPixels is used to specify the maximal size in pixels that is 1513c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * tolerable in terms of memory usage. 152ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang * 153ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang * The function returns a sample size based on the constraints. 1546bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh * Both size and minSideLength can be passed in as -1 155ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang * which indicates no care of the corresponding constraint. 156ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang * The functions prefers returning a sample size that 1576bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh * generates a smaller bitmap, unless minSideLength = -1. 1583c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * 1593c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * Also, the function rounds up the sample size to a power of 2 or multiple 1603c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * of 8 because BitmapFactory only honors sample size this way. 1613c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * For example, BitmapFactory downsamples an image by 2 even though the 1623c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen * request is 3. So we round up the sample size to avoid OOM. 163101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin */ 164ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang public static int computeSampleSize(BitmapFactory.Options options, 165ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang int minSideLength, int maxNumOfPixels) { 1663c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen int initialSize = computeInitialSampleSize(options, minSideLength, 1673c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen maxNumOfPixels); 1683c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen 1693c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen int roundedSize; 170522e836abc90bcb2d4e7a4ac37e269154d06c715Chih-Chung Chang if (initialSize <= 8) { 1713c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen roundedSize = 1; 1723c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen while (roundedSize < initialSize) { 1733c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen roundedSize <<= 1; 1743c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen } 1753c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen } else { 1763c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen roundedSize = (initialSize + 7) / 8 * 8; 1773c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen } 1783c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen 1793c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen return roundedSize; 1803c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen } 1813c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen 1823c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen private static int computeInitialSampleSize(BitmapFactory.Options options, 1833c21008c953cf6177f7771c176fa81d336e74ed8Wei-Ta Chen int minSideLength, int maxNumOfPixels) { 184ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang double w = options.outWidth; 185ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang double h = options.outHeight; 186ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang 1876bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh int lowerBound = (maxNumOfPixels < 0) ? 1 : 188ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang (int) Math.ceil(Math.sqrt(w * h / maxNumOfPixels)); 1896bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh int upperBound = (minSideLength < 0) ? 128 : 190ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang (int) Math.min(Math.floor(w / minSideLength), 191ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang Math.floor(h / minSideLength)); 192ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang 193f2c7e983fafaf7639a6ad090a93d1892015777edWei-Ta Chen if (upperBound < lowerBound) { 194f2c7e983fafaf7639a6ad090a93d1892015777edWei-Ta Chen // return the larger one when there is no overlapping zone. 195f2c7e983fafaf7639a6ad090a93d1892015777edWei-Ta Chen return lowerBound; 196f2c7e983fafaf7639a6ad090a93d1892015777edWei-Ta Chen } 197f2c7e983fafaf7639a6ad090a93d1892015777edWei-Ta Chen 1986bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh if (maxNumOfPixels < 0 && minSideLength < 0) { 199ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang return 1; 2006bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh } else if (minSideLength < 0) { 201ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang return lowerBound; 202ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang } else { 203ce033a5871a0b678521411f9a3acaee2ab279178Chih-Chung Chang return upperBound; 204101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin } 205101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin } 206101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin 207cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang public static Bitmap makeBitmap(byte[] jpegData, int maxNumOfPixels) { 208cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang try { 209cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang BitmapFactory.Options options = new BitmapFactory.Options(); 210cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang options.inJustDecodeBounds = true; 211cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length, 212cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang options); 213cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang if (options.mCancel || options.outWidth == -1 214cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang || options.outHeight == -1) { 215cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang return null; 216cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang } 217cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang options.inSampleSize = computeSampleSize( 2186bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh options, -1, maxNumOfPixels); 219cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang options.inJustDecodeBounds = false; 220cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang 221cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang options.inDither = false; 222cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang options.inPreferredConfig = Bitmap.Config.ARGB_8888; 223cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang return BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length, 224cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang options); 225cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang } catch (OutOfMemoryError ex) { 226cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang Log.e(TAG, "Got oom exception ", ex); 227cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang return null; 228cd972b0cd67d7a45084d9757ebd49b8f22989eddChih-Chung Chang } 229c1c20e9ce386c1f660059acaede591d2d718995aChih-Chung Chang } 230c1c20e9ce386c1f660059acaede591d2d718995aChih-Chung Chang 2316bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh public static void closeSilently(Closeable c) { 2326bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh if (c == null) return; 2336bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh try { 2346bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh c.close(); 2356bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh } catch (Throwable t) { 2366bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh // do nothing 2376bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh } 2386bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh } 2396bca5289166b1444f4b98538343a24d35f46dda5Chia-chi Yeh 240341ad98e59d92769e1cc8ba68fa86c72dce0543bChih-Chung Chang public static void Assert(boolean cond) { 241341ad98e59d92769e1cc8ba68fa86c72dce0543bChih-Chung Chang if (!cond) { 242341ad98e59d92769e1cc8ba68fa86c72dce0543bChih-Chung Chang throw new AssertionError(); 243341ad98e59d92769e1cc8ba68fa86c72dce0543bChih-Chung Chang } 244341ad98e59d92769e1cc8ba68fa86c72dce0543bChih-Chung Chang } 245059daa36dc6e83ca24a16d9b99925e71010bccebOwen Lin 246475b4c6eca6f7e7ca0e4b3ee0ee234c6fe079687Pin Ting public static CameraManager.CameraProxy openCamera(Activity activity, int cameraId) 247dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li throws CameraHardwareException, CameraDisabledException { 248dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li // Check if device policy has disabled the camera. 249dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li DevicePolicyManager dpm = (DevicePolicyManager) activity.getSystemService( 250dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li Context.DEVICE_POLICY_SERVICE); 251dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li if (dpm.getCameraDisabled(null)) { 252dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li throw new CameraDisabledException(); 253dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li } 254dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li 255dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li try { 256dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li return CameraHolder.instance().open(cameraId); 257dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li } catch (CameraHardwareException e) { 258dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li // In eng build, we throw the exception so that test tool 259dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li // can detect it and report it 260dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li if ("eng".equals(Build.TYPE)) { 261dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li throw new RuntimeException("openCamera failed", e); 262dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li } else { 263dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li throw e; 264dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li } 265dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li } 266dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li } 267dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li 268dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li public static void showErrorAndFinish(final Activity activity, int msgId) { 2693f3c857e3f34650c15d764810335024654b0fcc3Owen Lin DialogInterface.OnClickListener buttonListener = 2703f3c857e3f34650c15d764810335024654b0fcc3Owen Lin new DialogInterface.OnClickListener() { 271913f3784d368a5e11fee5d5db2c355ef832685daWu-cheng Li @Override 2723f3c857e3f34650c15d764810335024654b0fcc3Owen Lin public void onClick(DialogInterface dialog, int which) { 2733f3c857e3f34650c15d764810335024654b0fcc3Owen Lin activity.finish(); 2743f3c857e3f34650c15d764810335024654b0fcc3Owen Lin } 2753f3c857e3f34650c15d764810335024654b0fcc3Owen Lin }; 2763f3c857e3f34650c15d764810335024654b0fcc3Owen Lin new AlertDialog.Builder(activity) 2773f3c857e3f34650c15d764810335024654b0fcc3Owen Lin .setCancelable(false) 278db0757dc9c627e7c5206104664028e386ade7d03Wu-cheng Li .setIconAttribute(android.R.attr.alertDialogIcon) 279dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li .setTitle(R.string.camera_error_title) 280dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li .setMessage(msgId) 28122d4b7fbace56c03092eb088a4df98e04a6681afAngus Kong .setNeutralButton(R.string.dialog_ok, buttonListener) 2823f3c857e3f34650c15d764810335024654b0fcc3Owen Lin .show(); 2833f3c857e3f34650c15d764810335024654b0fcc3Owen Lin } 2842c6c6174e2363fccb4e4f29b76290e99234fe140Owen Lin 28573e782de608cbe2ddffd75c055009ff2e208f78bOwen Lin public static <T> T checkNotNull(T object) { 28673e782de608cbe2ddffd75c055009ff2e208f78bOwen Lin if (object == null) throw new NullPointerException(); 28773e782de608cbe2ddffd75c055009ff2e208f78bOwen Lin return object; 28873e782de608cbe2ddffd75c055009ff2e208f78bOwen Lin } 28973e782de608cbe2ddffd75c055009ff2e208f78bOwen Lin 29073e782de608cbe2ddffd75c055009ff2e208f78bOwen Lin public static boolean equals(Object a, Object b) { 29173e782de608cbe2ddffd75c055009ff2e208f78bOwen Lin return (a == b) || (a == null ? false : a.equals(b)); 29273e782de608cbe2ddffd75c055009ff2e208f78bOwen Lin } 2934de149ceb47f2c251f646419907424bfb67d2b64Owen Lin 2944de149ceb47f2c251f646419907424bfb67d2b64Owen Lin public static int nextPowerOf2(int n) { 2954de149ceb47f2c251f646419907424bfb67d2b64Owen Lin n -= 1; 2964de149ceb47f2c251f646419907424bfb67d2b64Owen Lin n |= n >>> 16; 2974de149ceb47f2c251f646419907424bfb67d2b64Owen Lin n |= n >>> 8; 2984de149ceb47f2c251f646419907424bfb67d2b64Owen Lin n |= n >>> 4; 2994de149ceb47f2c251f646419907424bfb67d2b64Owen Lin n |= n >>> 2; 3004de149ceb47f2c251f646419907424bfb67d2b64Owen Lin n |= n >>> 1; 3014de149ceb47f2c251f646419907424bfb67d2b64Owen Lin return n + 1; 3024de149ceb47f2c251f646419907424bfb67d2b64Owen Lin } 30333be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin 30433be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin public static float distance(float x, float y, float sx, float sy) { 30533be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin float dx = x - sx; 30633be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin float dy = y - sy; 3074d226d16bb06861527e5ec162e39d9673e23df83akahuang return FloatMath.sqrt(dx * dx + dy * dy); 30833be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin } 30933be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin 31033be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin public static int clamp(int x, int min, int max) { 31133be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin if (x > max) return max; 31233be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin if (x < min) return min; 31333be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin return x; 31433be45a1abaf6a8d611fb87b18945c84ab76c229Owen Lin } 315ac9d0a1ce538eb4bd50cba3b257737a05b9ac4e5Chih-Chung Chang 3164aaa2130af7241f128ee561cafd17a4fb560b92cWu-cheng Li public static int getDisplayRotation(Activity activity) { 317ac9d0a1ce538eb4bd50cba3b257737a05b9ac4e5Chih-Chung Chang int rotation = activity.getWindowManager().getDefaultDisplay() 318ac9d0a1ce538eb4bd50cba3b257737a05b9ac4e5Chih-Chung Chang .getRotation(); 319ac9d0a1ce538eb4bd50cba3b257737a05b9ac4e5Chih-Chung Chang switch (rotation) { 3204aaa2130af7241f128ee561cafd17a4fb560b92cWu-cheng Li case Surface.ROTATION_0: return 0; 3214aaa2130af7241f128ee561cafd17a4fb560b92cWu-cheng Li case Surface.ROTATION_90: return 90; 3224aaa2130af7241f128ee561cafd17a4fb560b92cWu-cheng Li case Surface.ROTATION_180: return 180; 3234aaa2130af7241f128ee561cafd17a4fb560b92cWu-cheng Li case Surface.ROTATION_270: return 270; 324ac9d0a1ce538eb4bd50cba3b257737a05b9ac4e5Chih-Chung Chang } 3254aaa2130af7241f128ee561cafd17a4fb560b92cWu-cheng Li return 0; 3264aaa2130af7241f128ee561cafd17a4fb560b92cWu-cheng Li } 327ac9d0a1ce538eb4bd50cba3b257737a05b9ac4e5Chih-Chung Chang 3284b602592e0d189499b22d107d997b83e798b5bd9Wu-cheng Li public static int getDisplayOrientation(int degrees, int cameraId) { 3294b602592e0d189499b22d107d997b83e798b5bd9Wu-cheng Li // See android.hardware.Camera.setDisplayOrientation for 330c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li // documentation. 331c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li Camera.CameraInfo info = new Camera.CameraInfo(); 332c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li Camera.getCameraInfo(cameraId, info); 333c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li int result; 334c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 335c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li result = (info.orientation + degrees) % 360; 336c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li result = (360 - result) % 360; // compensate the mirror 337c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li } else { // back-facing 338c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li result = (info.orientation - degrees + 360) % 360; 339c1dd72054122befb49aa1ca11ffa589b00186f80Wu-cheng Li } 3404b602592e0d189499b22d107d997b83e798b5bd9Wu-cheng Li return result; 341ac9d0a1ce538eb4bd50cba3b257737a05b9ac4e5Chih-Chung Chang } 3426227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra 343e0bbb93f6a598206ecd6e09150d51eae64bd3507Wei-Ta Chen public static int getCameraOrientation(int cameraId) { 344e0bbb93f6a598206ecd6e09150d51eae64bd3507Wei-Ta Chen Camera.CameraInfo info = new Camera.CameraInfo(); 345e0bbb93f6a598206ecd6e09150d51eae64bd3507Wei-Ta Chen Camera.getCameraInfo(cameraId, info); 346e0bbb93f6a598206ecd6e09150d51eae64bd3507Wei-Ta Chen return info.orientation; 347e0bbb93f6a598206ecd6e09150d51eae64bd3507Wei-Ta Chen } 348e0bbb93f6a598206ecd6e09150d51eae64bd3507Wei-Ta Chen 349131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala public static int roundOrientation(int orientation, int orientationHistory) { 350131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala boolean changeOrientation = false; 351131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala if (orientationHistory == OrientationEventListener.ORIENTATION_UNKNOWN) { 352131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala changeOrientation = true; 353131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala } else { 354131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala int dist = Math.abs(orientation - orientationHistory); 355131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala dist = Math.min( dist, 360 - dist ); 356131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala changeOrientation = ( dist >= 45 + ORIENTATION_HYSTERESIS ); 357131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala } 358131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala if (changeOrientation) { 359131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala return ((orientation + 45) / 90 * 90) % 360; 360131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala } 361131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala return orientationHistory; 362131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala } 363131cf9886c4f34431598be0b1f5b7aaa915277ccEino-Ville Talvala 3646227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra public static Size getOptimalPreviewSize(Activity currentActivity, 3658a79ddc5827de54a33d8fbef0e467da2266342cbWu-cheng Li List<Size> sizes, double targetRatio) { 3660fad45d0d64569098f4daf34ff7e5ae785601304Wu-cheng Li // Use a very small tolerance because we want an exact match. 3678a79ddc5827de54a33d8fbef0e467da2266342cbWu-cheng Li final double ASPECT_TOLERANCE = 0.001; 3686227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra if (sizes == null) return null; 3696227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra 3706227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra Size optimalSize = null; 3716227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra double minDiff = Double.MAX_VALUE; 3726227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra 3736227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra // Because of bugs of overlay and layout, we sometimes will try to 3746227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra // layout the viewfinder in the portrait orientation and thus get the 375b59f282910deca258ca4381c6f4b6970a2838bedAngus Kong // wrong size of preview surface. When we change the preview size, the 3766227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra // new overlay will be created before the old one closed, which causes 377043ad7e3404cdf74afc01076551c84d70a0a01d3Wu-cheng Li // an exception. For now, just get the screen size. 3786227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra Display display = currentActivity.getWindowManager().getDefaultDisplay(); 379043ad7e3404cdf74afc01076551c84d70a0a01d3Wu-cheng Li Point point = new Point(); 380043ad7e3404cdf74afc01076551c84d70a0a01d3Wu-cheng Li display.getSize(point); 381043ad7e3404cdf74afc01076551c84d70a0a01d3Wu-cheng Li int targetHeight = Math.min(point.x, point.y); 3826227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra 3836227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra // Try to find an size match aspect ratio and size 3846227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra for (Size size : sizes) { 3856227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra double ratio = (double) size.width / size.height; 3866227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra if (Math.abs(ratio - targetRatio) > ASPECT_TOLERANCE) continue; 3876227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra if (Math.abs(size.height - targetHeight) < minDiff) { 3886227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra optimalSize = size; 3896227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra minDiff = Math.abs(size.height - targetHeight); 3906227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra } 3916227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra } 3926227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra 3930fad45d0d64569098f4daf34ff7e5ae785601304Wu-cheng Li // Cannot find the one match the aspect ratio. This should not happen. 3940fad45d0d64569098f4daf34ff7e5ae785601304Wu-cheng Li // Ignore the requirement. 3956227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra if (optimalSize == null) { 3960fad45d0d64569098f4daf34ff7e5ae785601304Wu-cheng Li Log.w(TAG, "No preview size match the aspect ratio"); 3976227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra minDiff = Double.MAX_VALUE; 3986227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra for (Size size : sizes) { 3996227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra if (Math.abs(size.height - targetHeight) < minDiff) { 4006227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra optimalSize = size; 4016227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra minDiff = Math.abs(size.height - targetHeight); 4026227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra } 4036227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra } 4046227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra } 4056227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra return optimalSize; 4066227fa641518492a6b660c78463da18d9ec8fcd8Nipun Kwatra } 40710fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li 4081d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang // Returns the largest picture size which matches the given aspect ratio. 4091d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang public static Size getOptimalVideoSnapshotPictureSize( 4101d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang List<Size> sizes, double targetRatio) { 4111d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang // Use a very small tolerance because we want an exact match. 4121d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang final double ASPECT_TOLERANCE = 0.001; 4131d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang if (sizes == null) return null; 4141d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang 4151d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang Size optimalSize = null; 4161d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang 4171d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang // Try to find a size matches aspect ratio and has the largest width 4181d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang for (Size size : sizes) { 4191d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang double ratio = (double) size.width / size.height; 4201d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang if (Math.abs(ratio - targetRatio) > ASPECT_TOLERANCE) continue; 4211d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang if (optimalSize == null || size.width > optimalSize.width) { 4221d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang optimalSize = size; 4231d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang } 4241d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang } 4251d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang 4261d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang // Cannot find one that matches the aspect ratio. This should not happen. 4271d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang // Ignore the requirement. 4281d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang if (optimalSize == null) { 4291d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang Log.w(TAG, "No picture size match the aspect ratio"); 4301d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang for (Size size : sizes) { 4311d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang if (optimalSize == null || size.width > optimalSize.width) { 4321d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang optimalSize = size; 4331d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang } 4341d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang } 4351d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang } 4361d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang return optimalSize; 4371d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang } 4381d965984ecf6c6233967a1f5d5a24f21fd2e450dChih-Chung Chang 43910fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li public static void dumpParameters(Parameters parameters) { 44010fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li String flattened = parameters.flatten(); 44110fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 44210fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li Log.d(TAG, "Dump all camera parameters:"); 44310fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li while (tokenizer.hasMoreElements()) { 44410fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li Log.d(TAG, tokenizer.nextToken()); 44510fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li } 44610fb15e4b1a8cd4acae1a745ada98cf9fac5a809Wu-cheng Li } 44710208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li 448dfb6f208e3f5dd7d68bcaade644aa1d1f1f0a98fWu-cheng Li /** 44910208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li * Returns whether the device is voice-capable (meaning, it can do MMS). 45010208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li */ 45110208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li public static boolean isMmsCapable(Context context) { 45210208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li TelephonyManager telephonyManager = (TelephonyManager) 45310208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li context.getSystemService(Context.TELEPHONY_SERVICE); 45410208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li if (telephonyManager == null) { 45510208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li return false; 45610208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li } 45710208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li 45810208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li try { 459043ad7e3404cdf74afc01076551c84d70a0a01d3Wu-cheng Li Class<?> partypes[] = new Class[0]; 46010208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li Method sIsVoiceCapable = TelephonyManager.class.getMethod( 46110208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li "isVoiceCapable", partypes); 46210208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li 46310208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li Object arglist[] = new Object[0]; 46410208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li Object retobj = sIsVoiceCapable.invoke(telephonyManager, arglist); 46510208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li return (Boolean) retobj; 46610208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li } catch (java.lang.reflect.InvocationTargetException ite) { 46710208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li // Failure, must be another device. 46810208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li // Assume that it is voice capable. 469feaf2ccff42c44b74be814b66296f9ddedcc9aa9Wu-cheng Li } catch (IllegalAccessException iae) { 47010208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li // Failure, must be an other device. 47110208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li // Assume that it is voice capable. 47210208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li } catch (NoSuchMethodException nsme) { 47310208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li } 47410208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li return true; 47510208b3b4e2e9ca5af27be49356288531e3cd45bWu-cheng Li } 476bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau 477bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau // This is for test only. Allow the camera to launch the specific camera. 478bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau public static int getCameraFacingIntentExtras(Activity currentActivity) { 479bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau int cameraId = -1; 480bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau 481bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau int intentCameraId = 482bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau currentActivity.getIntent().getIntExtra(Util.EXTRAS_CAMERA_FACING, -1); 483bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau 484bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau if (isFrontCameraIntent(intentCameraId)) { 485bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau // Check if the front camera exist 486bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau int frontCameraId = CameraHolder.instance().getFrontCameraId(); 487bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau if (frontCameraId != -1) { 488bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau cameraId = frontCameraId; 489bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau } 490bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau } else if (isBackCameraIntent(intentCameraId)) { 491bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau // Check if the back camera exist 492bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau int backCameraId = CameraHolder.instance().getBackCameraId(); 493bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau if (backCameraId != -1) { 494bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau cameraId = backCameraId; 495bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau } 496bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau } 497bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau return cameraId; 498bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau } 499bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau 500bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau private static boolean isFrontCameraIntent(int intentCameraId) { 501bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau return (intentCameraId == android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT); 502bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau } 503bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau 504bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau private static boolean isBackCameraIntent(int intentCameraId) { 505bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau return (intentCameraId == android.hardware.Camera.CameraInfo.CAMERA_FACING_BACK); 506bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau } 507bbe9db4d12978f220aeb0379731b548420bbd6dbYu Shan Emily Lau 5087a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting private static int sLocation[] = new int[2]; 50997d089d718dc92c0e9ccc3c923066cf4f0101c35Wu-cheng Li 51097d089d718dc92c0e9ccc3c923066cf4f0101c35Wu-cheng Li // This method is not thread-safe. 51197d089d718dc92c0e9ccc3c923066cf4f0101c35Wu-cheng Li public static boolean pointInView(float x, float y, View v) { 5127a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting v.getLocationInWindow(sLocation); 5137a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting return x >= sLocation[0] && x < (sLocation[0] + v.getWidth()) 5147a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting && y >= sLocation[1] && y < (sLocation[1] + v.getHeight()); 51597d089d718dc92c0e9ccc3c923066cf4f0101c35Wu-cheng Li } 5168ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li 517bfaab736a344641a63170ebdcd9d5377779d3a15Wu-cheng Li public static int[] getRelativeLocation(View reference, View view) { 5187a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting reference.getLocationInWindow(sLocation); 5197a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting int referenceX = sLocation[0]; 5207a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting int referenceY = sLocation[1]; 5217a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting view.getLocationInWindow(sLocation); 5227a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting sLocation[0] -= referenceX; 5237a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting sLocation[1] -= referenceY; 5247a54ffad3be4bd94365a1c70b719e41b573cc7fdPin Ting return sLocation; 525bfaab736a344641a63170ebdcd9d5377779d3a15Wu-cheng Li } 526bfaab736a344641a63170ebdcd9d5377779d3a15Wu-cheng Li 5278ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li public static boolean isUriValid(Uri uri, ContentResolver resolver) { 5288ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li if (uri == null) return false; 5298ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li 5308ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li try { 5318ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li ParcelFileDescriptor pfd = resolver.openFileDescriptor(uri, "r"); 5328ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li if (pfd == null) { 5338ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li Log.e(TAG, "Fail to open URI. URI=" + uri); 5348ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li return false; 5358ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li } 5368ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li pfd.close(); 5378ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li } catch (IOException ex) { 5388ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li return false; 5398ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li } 5408ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li return true; 5418ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li } 5428ab2b624d51b3b8254ece98c46a7e22a6fb5d4aaWu-cheng Li 54371bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li public static void viewUri(Uri uri, Context context) { 54471bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li if (!isUriValid(uri, context.getContentResolver())) { 54571bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li Log.e(TAG, "Uri invalid. uri=" + uri); 54671bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li return; 54771bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li } 54871bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li 54971bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li try { 55071bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li context.startActivity(new Intent(Util.REVIEW_ACTION, uri)); 55171bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li } catch (ActivityNotFoundException ex) { 55271bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li try { 55371bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li context.startActivity(new Intent(Intent.ACTION_VIEW, uri)); 55471bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li } catch (ActivityNotFoundException e) { 55571bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li Log.e(TAG, "review image fail. uri=" + uri, e); 55671bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li } 55771bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li } 55871bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li } 55971bf9ebe0f207c1af741e3b76d84dde1358faa1bWu-cheng Li 560048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang public static void dumpRect(RectF rect, String msg) { 561048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang Log.v(TAG, msg + "=(" + rect.left + "," + rect.top 562048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang + "," + rect.right + "," + rect.bottom + ")"); 563048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang } 564048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang 565048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang public static void rectFToRect(RectF rectF, Rect rect) { 566048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang rect.left = Math.round(rectF.left); 567048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang rect.top = Math.round(rectF.top); 568048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang rect.right = Math.round(rectF.right); 569048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang rect.bottom = Math.round(rectF.bottom); 570048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang } 571048edf2ef22607b85bc4b062e2af71804f5b3530Chih-yu Huang 572d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li public static void prepareMatrix(Matrix matrix, boolean mirror, int displayOrientation, 573d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li int viewWidth, int viewHeight) { 574d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li // Need mirror for front camera. 575d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li matrix.setScale(mirror ? -1 : 1, 1); 576d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li // This is the value for android.hardware.Camera.setDisplayOrientation. 577d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li matrix.postRotate(displayOrientation); 578d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li // Camera driver coordinates range from (-1000, -1000) to (1000, 1000). 579d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li // UI coordinates range from (0, 0) to (width, height). 580d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li matrix.postScale(viewWidth / 2000f, viewHeight / 2000f); 581d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li matrix.postTranslate(viewWidth / 2f, viewHeight / 2f); 582d2db70880e6159413932f747eb82df3e925852c1Wu-cheng Li } 583757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Li 584757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Li public static String createJpegName(long dateTaken) { 585ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang synchronized (sImageFileNamer) { 586ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang return sImageFileNamer.generateName(dateTaken); 587ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang } 588757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Li } 589757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Li 590757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Li public static void broadcastNewPicture(Context context, Uri uri) { 591f75f0f05491560f3be90a1cee05c1ecc90227d42Wu-cheng Li context.sendBroadcast(new Intent(ACTION_NEW_PICTURE, uri)); 592757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Li // Keep compatibility 593757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Li context.sendBroadcast(new Intent("com.android.camera.NEW_PICTURE", uri)); 594757b67951f40850b1ac3102dc0b6fe8977615a4aWu-cheng Li } 595ea136afa2f4d38428ad486df5fb0a24db8314a3dChih-yu Huang 596a1f6eec7b587064b5677160668345f5610073b51akahuang public static void fadeIn(View view, float startAlpha, float endAlpha, long duration) { 59730f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang if (view.getVisibility() == View.VISIBLE) return; 59830f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang 599ea136afa2f4d38428ad486df5fb0a24db8314a3dChih-yu Huang view.setVisibility(View.VISIBLE); 600a1f6eec7b587064b5677160668345f5610073b51akahuang Animation animation = new AlphaAnimation(startAlpha, endAlpha); 601a1f6eec7b587064b5677160668345f5610073b51akahuang animation.setDuration(duration); 60230f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang view.startAnimation(animation); 60330f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang } 60430f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang 605a1f6eec7b587064b5677160668345f5610073b51akahuang public static void fadeIn(View view) { 606a1f6eec7b587064b5677160668345f5610073b51akahuang fadeIn(view, 0F, 1F, 400); 607aaf129e4b755e4eef9eaa0fd736a9bbd20904fc8Pin Ting 608aaf129e4b755e4eef9eaa0fd736a9bbd20904fc8Pin Ting // We disabled the button in fadeOut(), so enable it here. 609aaf129e4b755e4eef9eaa0fd736a9bbd20904fc8Pin Ting view.setEnabled(true); 610a1f6eec7b587064b5677160668345f5610073b51akahuang } 611a1f6eec7b587064b5677160668345f5610073b51akahuang 61230f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang public static void fadeOut(View view) { 61330f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang if (view.getVisibility() != View.VISIBLE) return; 61430f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang 615aaf129e4b755e4eef9eaa0fd736a9bbd20904fc8Pin Ting // Since the button is still clickable before fade-out animation 616aaf129e4b755e4eef9eaa0fd736a9bbd20904fc8Pin Ting // ends, we disable the button first to block click. 617aaf129e4b755e4eef9eaa0fd736a9bbd20904fc8Pin Ting view.setEnabled(false); 61830f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang Animation animation = new AlphaAnimation(1F, 0F); 61930f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang animation.setDuration(400); 620ea136afa2f4d38428ad486df5fb0a24db8314a3dChih-yu Huang view.startAnimation(animation); 62130f0481931beed547656f2c7bc6290ecc9b01ac3Chih-yu Huang view.setVisibility(View.GONE); 622ea136afa2f4d38428ad486df5fb0a24db8314a3dChih-yu Huang } 623a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li 624b130b9af898f597eb7506dd2f29f0961b858176dWu-cheng Li public static int getJpegRotation(int cameraId, int orientation) { 625a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // See android.hardware.Camera.Parameters.setRotation for 626a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // documentation. 627a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li int rotation = 0; 628a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li if (orientation != OrientationEventListener.ORIENTATION_UNKNOWN) { 629a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li CameraInfo info = CameraHolder.instance().getCameraInfo()[cameraId]; 630a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 631a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li rotation = (info.orientation - orientation + 360) % 360; 632a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } else { // back-facing camera 633a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li rotation = (info.orientation + orientation) % 360; 634a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } 635a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } 636b130b9af898f597eb7506dd2f29f0961b858176dWu-cheng Li return rotation; 637a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } 638a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li 639a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li public static void setGpsParameters(Parameters parameters, Location loc) { 640a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // Clear previous GPS location from the parameters. 641a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li parameters.removeGpsData(); 642a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li 643a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // We always encode GpsTimeStamp 644a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li parameters.setGpsTimestamp(System.currentTimeMillis() / 1000); 645a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li 646a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // Set GPS location. 647a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li if (loc != null) { 648a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li double lat = loc.getLatitude(); 649a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li double lon = loc.getLongitude(); 650a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d); 651a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li 652a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li if (hasLatLon) { 653a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li Log.d(TAG, "Set gps location"); 654a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li parameters.setGpsLatitude(lat); 655a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li parameters.setGpsLongitude(lon); 656a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li parameters.setGpsProcessingMethod(loc.getProvider().toUpperCase()); 657a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li if (loc.hasAltitude()) { 658a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li parameters.setGpsAltitude(loc.getAltitude()); 659a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } else { 660a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // for NETWORK_PROVIDER location provider, we may have 661a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // no altitude information, but the driver needs it, so 662a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // we fake one. 663a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li parameters.setGpsAltitude(0); 664a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } 665a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li if (loc.getTime() != 0) { 666a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // Location.getTime() is UTC in milliseconds. 667a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li // gps-timestamp is UTC in seconds. 668a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li long utcTimeSeconds = loc.getTime() / 1000; 669a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li parameters.setGpsTimestamp(utcTimeSeconds); 670a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } 671a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } else { 672a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li loc = null; 673a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } 674a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } 675a93a4d60eacee4e12471b45f8691c14114e113a4Wu-cheng Li } 676e0861e7473d042bdd9c935f3bdf50ae220891b6cWu-cheng Li 677ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang private static class ImageFileNamer { 678ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang private SimpleDateFormat mFormat; 679ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang 680ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang // The date (in milliseconds) used to generate the last name. 681ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang private long mLastDate; 682ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang 683ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang // Number of names generated for the same second. 684ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang private int mSameSecondCount; 685ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang 686ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang public ImageFileNamer(String format) { 687ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang mFormat = new SimpleDateFormat(format); 688ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang } 689ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang 690ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang public String generateName(long dateTaken) { 691ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang Date date = new Date(dateTaken); 692ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang String result = mFormat.format(date); 693ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang 694ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang // If the last name was generated for the same second, 695ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang // we append _1, _2, etc to the name. 696ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang if (dateTaken / 1000 == mLastDate / 1000) { 697ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang mSameSecondCount++; 698ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang result += "_" + mSameSecondCount; 699ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang } else { 700ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang mLastDate = dateTaken; 701ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang mSameSecondCount = 0; 702ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang } 703ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang 704ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang return result; 705ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang } 706ee740f1254232cbe5b8dd34c0c957866c03e7787Chih-Chung Chang } 707101d528d59f447847d5c6b7578642132c2b76f4fOwen Lin} 708