gallerycommon/src/com/android/gallery3d/common/ApiHelper.java

   1 /*
   2  * Copyright (C) 2012 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.gallery3d.common;
  18
  19 import android.app.admin.DevicePolicyManager;
  20 import android.content.ComponentName;
  21 import android.hardware.Camera;
  22 import android.os.Build;
  23 import android.provider.MediaStore.MediaColumns;
  24 import android.view.View;
  25 import android.view.WindowManager;
  26
  27 import java.lang.reflect.Field;
  28
  29 public class ApiHelper {
  30     public static interface VERSION_CODES {
  31         // These value are copied from Build.VERSION_CODES
  32         public static final int GINGERBREAD_MR1 = 10;
  33         public static final int HONEYCOMB = 11;
  34         public static final int HONEYCOMB_MR1 = 12;
  35         public static final int HONEYCOMB_MR2 = 13;
  36         public static final int ICE_CREAM_SANDWICH = 14;
  37         public static final int ICE_CREAM_SANDWICH_MR1 = 15;
  38         public static final int JELLY_BEAN = 16;
  39         public static final int JELLY_BEAN_MR1 = 17;
  40     }
  41
  42     public static final boolean AT_LEAST_16 = Build.VERSION.SDK_INT >= 16;
  43
  44     public static final boolean USE_888_PIXEL_FORMAT =
  45             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
  46
  47     public static final boolean ENABLE_PHOTO_EDITOR =
  48             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
  49
  50     public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_LAYOUT_STABLE =
  51             hasField(View.class, "SYSTEM_UI_FLAG_LAYOUT_STABLE");
  52
  53     public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_HIDE_NAVIGATION =
  54             hasField(View.class, "SYSTEM_UI_FLAG_HIDE_NAVIGATION");
  55
  56     public static final boolean HAS_MEDIA_COLUMNS_WIDTH_AND_HEIGHT =
  57             hasField(MediaColumns.class, "WIDTH");
  58
  59     public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_REGION_DECODER =
  60             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
  61
  62     public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_FACTORY =
  63             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
  64
  65     public static final boolean HAS_SET_BEAM_PUSH_URIS =
  66             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
  67
  68     public static final boolean HAS_SET_DEFALT_BUFFER_SIZE = hasMethod(
  69             "android.graphics.SurfaceTexture", "setDefaultBufferSize",
  70             int.class, int.class);
  71
  72     public static final boolean HAS_RELEASE_SURFACE_TEXTURE = hasMethod(
  73             "android.graphics.SurfaceTexture", "release");
  74
  75     public static final boolean HAS_SURFACE_TEXTURE =
  76             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
  77
  78     public static final boolean HAS_MTP =
  79             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
  80
  81     public static final boolean HAS_AUTO_FOCUS_MOVE_CALLBACK =
  82             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
  83
  84     public static final boolean HAS_REMOTE_VIEWS_SERVICE =
  85             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
  86
  87     public static final boolean HAS_INTENT_EXTRA_LOCAL_ONLY =
  88             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
  89
  90     public static final boolean HAS_SET_SYSTEM_UI_VISIBILITY =
  91             hasMethod(View.class, "setSystemUiVisibility", int.class);
  92
  93     public static final boolean HAS_FACE_DETECTION;
  94     static {
  95         boolean hasFaceDetection = false;
  96         try {
  97             Class<?> listenerClass = Class.forName(
  98                     "android.hardware.Camera$FaceDetectionListener");
  99             hasFaceDetection =
 100                     hasMethod(Camera.class, "setFaceDetectionListener", listenerClass) &&
 101                     hasMethod(Camera.class, "startFaceDetection") &&
 102                     hasMethod(Camera.class, "stopFaceDetection") &&
 103                     hasMethod(Camera.Parameters.class, "getMaxNumDetectedFaces");
 104         } catch (Throwable t) {
 105         }
 106         HAS_FACE_DETECTION = hasFaceDetection;
 107     }
 108
 109     public static final boolean HAS_GET_CAMERA_DISABLED =
 110             hasMethod(DevicePolicyManager.class, "getCameraDisabled", ComponentName.class);
 111
 112     public static final boolean HAS_MEDIA_ACTION_SOUND =
 113             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
 114
 115     public static final boolean HAS_OLD_PANORAMA =
 116             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
 117
 118     public static final boolean HAS_TIME_LAPSE_RECORDING =
 119             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 120
 121     public static final boolean HAS_ZOOM_WHEN_RECORDING =
 122             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
 123
 124     public static final boolean HAS_CAMERA_FOCUS_AREA =
 125             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
 126
 127     public static final boolean HAS_CAMERA_METERING_AREA =
 128             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
 129
 130     public static final boolean HAS_FINE_RESOLUTION_QUALITY_LEVELS =
 131             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 132
 133     public static final boolean HAS_MOTION_EVENT_TRANSFORM =
 134             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 135
 136     public static final boolean HAS_EFFECTS_RECORDING = false;
 137
 138     // "Background" filter does not have "context" input port in jelly bean.
 139     public static final boolean HAS_EFFECTS_RECORDING_CONTEXT_INPUT =
 140             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
 141
 142     public static final boolean HAS_GET_SUPPORTED_VIDEO_SIZE =
 143             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 144
 145     public static final boolean HAS_SET_ICON_ATTRIBUTE =
 146             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 147
 148     public static final boolean HAS_MEDIA_PROVIDER_FILES_TABLE =
 149             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 150
 151     public static final boolean HAS_SURFACE_TEXTURE_RECORDING =
 152             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
 153
 154     public static final boolean HAS_ACTION_BAR =
 155             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 156
 157     // Ex: View.setTranslationX.
 158     public static final boolean HAS_VIEW_TRANSFORM_PROPERTIES =
 159             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 160
 161     public static final boolean HAS_CAMERA_HDR =
 162             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
 163
 164     public static final boolean HAS_OPTIONS_IN_MUTABLE =
 165             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 166
 167     public static final boolean CAN_START_PREVIEW_IN_JPEG_CALLBACK =
 168             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
 169
 170     public static final boolean HAS_VIEW_PROPERTY_ANIMATOR =
 171             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
 172
 173     public static final boolean HAS_POST_ON_ANIMATION =
 174             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
 175
 176     public static final boolean HAS_ANNOUNCE_FOR_ACCESSIBILITY =
 177             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
 178
 179     public static final boolean HAS_OBJECT_ANIMATION =
 180             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 181
 182     public static final boolean HAS_GLES20_REQUIRED =
 183             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
 184
 185     public static final boolean HAS_ROTATION_ANIMATION =
 186             hasField(WindowManager.LayoutParams.class, "rotationAnimation");
 187
 188     public static final boolean HAS_CANCELLATION_SIGNAL =
 189             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
 190
 191     public static int getIntFieldIfExists(Class<?> klass, String fieldName,
 192             Class<?> obj, int defaultVal) {
 193         try {
 194             Field f = klass.getDeclaredField(fieldName);
 195             return f.getInt(obj);
 196         } catch (Exception e) {
 197             return defaultVal;
 198         }
 199     }
 200
 201     private static boolean hasField(Class<?> klass, String fieldName) {
 202         try {
 203             klass.getDeclaredField(fieldName);
 204             return true;
 205         } catch (NoSuchFieldException e) {
 206             return false;
 207         }
 208     }
 209
 210     private static boolean hasMethod(String className, String methodName,
 211             Class<?>... parameterTypes) {
 212         try {
 213             Class<?> klass = Class.forName(className);
 214             klass.getDeclaredMethod(methodName, parameterTypes);
 215             return true;
 216         } catch (Throwable th) {
 217             return false;
 218         }
 219     }
 220
 221     private static boolean hasMethod(
 222             Class<?> klass, String methodName, Class<?> ... paramTypes) {
 223         try {
 224             klass.getDeclaredMethod(methodName, paramTypes);
 225             return true;
 226         } catch (NoSuchMethodException e) {
 227             return false;
 228         }
 229     }
 230 }