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      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 
     26 import java.lang.reflect.Field;
     27 
     28 public class ApiHelper {
     29     public static interface VERSION_CODES {
     30         // These value are copied from Build.VERSION_CODES
     31         public static final int GINGERBREAD_MR1 = 10;
     32         public static final int HONEYCOMB = 11;
     33         public static final int HONEYCOMB_MR1 = 12;
     34         public static final int HONEYCOMB_MR2 = 13;
     35         public static final int ICE_CREAM_SANDWICH = 14;
     36         public static final int ICE_CREAM_SANDWICH_MR1 = 15;
     37         public static final int JELLY_BEAN = 16;
     38         public static final int JELLY_BEAN_MR1 = 17;
     39     }
     40 
     41     public static final boolean USE_888_PIXEL_FORMAT =
     42             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
     43 
     44     public static final boolean ENABLE_PHOTO_EDITOR =
     45             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
     46 
     47     public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_LAYOUT_STABLE =
     48             hasField(View.class, "SYSTEM_UI_FLAG_LAYOUT_STABLE");
     49 
     50     public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_HIDE_NAVIGATION =
     51             hasField(View.class, "SYSTEM_UI_FLAG_HIDE_NAVIGATION");
     52 
     53     public static final boolean HAS_MEDIA_COLUMNS_WIDTH_AND_HEIGHT =
     54             hasField(MediaColumns.class, "WIDTH");
     55 
     56     public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_REGION_DECODER =
     57             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
     58 
     59     public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_FACTORY =
     60             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
     61 
     62     public static final boolean HAS_SET_BEAM_PUSH_URIS =
     63             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
     64 
     65     public static final boolean HAS_SET_DEFALT_BUFFER_SIZE = hasMethod(
     66             "android.graphics.SurfaceTexture", "setDefaultBufferSize",
     67             int.class, int.class);
     68 
     69     public static final boolean HAS_RELEASE_SURFACE_TEXTURE = hasMethod(
     70             "android.graphics.SurfaceTexture", "release");
     71 
     72     public static final boolean HAS_SURFACE_TEXTURE =
     73             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
     74 
     75     public static final boolean HAS_MTP =
     76             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
     77 
     78     public static final boolean HAS_AUTO_FOCUS_MOVE_CALLBACK =
     79             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
     80 
     81     public static final boolean HAS_REMOTE_VIEWS_SERVICE =
     82             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
     83 
     84     public static final boolean HAS_INTENT_EXTRA_LOCAL_ONLY =
     85             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
     86 
     87     public static final boolean HAS_SET_SYSTEM_UI_VISIBILITY =
     88             hasMethod(View.class, "setSystemUiVisibility", int.class);
     89 
     90     public static final boolean HAS_FACE_DETECTION;
     91     static {
     92         boolean hasFaceDetection = false;
     93         try {
     94             Class<?> listenerClass = Class.forName(
     95                     "android.hardware.Camera$FaceDetectionListener");
     96             hasFaceDetection =
     97                     hasMethod(Camera.class, "setFaceDetectionListener", listenerClass) &&
     98                     hasMethod(Camera.class, "startFaceDetection") &&
     99                     hasMethod(Camera.class, "stopFaceDetection") &&
    100                     hasMethod(Camera.Parameters.class, "getMaxNumDetectedFaces");
    101         } catch (Throwable t) {
    102         }
    103         HAS_FACE_DETECTION = hasFaceDetection;
    104     }
    105 
    106     public static final boolean HAS_GET_CAMERA_DISABLED =
    107             hasMethod(DevicePolicyManager.class, "getCameraDisabled", ComponentName.class);
    108 
    109     public static final boolean HAS_MEDIA_ACTION_SOUND =
    110             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
    111 
    112     public static final boolean HAS_OLD_PANORAMA =
    113             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
    114 
    115     public static final boolean HAS_TIME_LAPSE_RECORDING =
    116             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    117 
    118     public static final boolean HAS_ZOOM_WHEN_RECORDING =
    119             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
    120 
    121     public static final boolean HAS_CAMERA_FOCUS_AREA =
    122             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
    123 
    124     public static final boolean HAS_CAMERA_METERING_AREA =
    125             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
    126 
    127     public static final boolean HAS_FINE_RESOLUTION_QUALITY_LEVELS =
    128             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    129 
    130     public static final boolean HAS_MOTION_EVENT_TRANSFORM =
    131             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    132 
    133     public static final boolean HAS_EFFECTS_RECORDING = false;
    134 
    135     // "Background" filter does not have "context" input port in jelly bean.
    136     public static final boolean HAS_EFFECTS_RECORDING_CONTEXT_INPUT =
    137             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
    138 
    139     public static final boolean HAS_GET_SUPPORTED_VIDEO_SIZE =
    140             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    141 
    142     public static final boolean HAS_SET_ICON_ATTRIBUTE =
    143             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    144 
    145     public static final boolean HAS_MEDIA_PROVIDER_FILES_TABLE =
    146             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    147 
    148     public static final boolean HAS_SURFACE_TEXTURE_RECORDING =
    149             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
    150 
    151     public static final boolean HAS_ACTION_BAR =
    152             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    153 
    154     // Ex: View.setTranslationX.
    155     public static final boolean HAS_VIEW_TRANSFORM_PROPERTIES =
    156             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    157 
    158     public static final boolean HAS_CAMERA_HDR =
    159             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
    160 
    161     public static final boolean HAS_OPTIONS_IN_MUTABLE =
    162             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
    163 
    164     public static final boolean CAN_START_PREVIEW_IN_JPEG_CALLBACK =
    165             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
    166 
    167     public static final boolean HAS_VIEW_PROPERTY_ANIMATOR =
    168             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
    169 
    170     public static final boolean HAS_POST_ON_ANIMATION =
    171             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
    172 
    173     public static int getIntFieldIfExists(Class<?> klass, String fieldName,
    174             Class<?> obj, int defaultVal) {
    175         try {
    176             Field f = klass.getDeclaredField(fieldName);
    177             return f.getInt(obj);
    178         } catch (Exception e) {
    179             return defaultVal;
    180         }
    181     }
    182 
    183     private static boolean hasField(Class<?> klass, String fieldName) {
    184         try {
    185             klass.getDeclaredField(fieldName);
    186             return true;
    187         } catch (NoSuchFieldException e) {
    188             return false;
    189         }
    190     }
    191 
    192     private static boolean hasMethod(String className, String methodName,
    193             Class<?>... parameterTypes) {
    194         try {
    195             Class<?> klass = Class.forName(className);
    196             klass.getDeclaredMethod(methodName, parameterTypes);
    197             return true;
    198         } catch (Throwable th) {
    199             return false;
    200         }
    201     }
    202 
    203     private static boolean hasMethod(
    204             Class<?> klass, String methodName, Class<?> ... paramTypes) {
    205         try {
    206             klass.getDeclaredMethod(methodName, paramTypes);
    207             return true;
    208         } catch (NoSuchMethodException e) {
    209             return false;
    210         }
    211     }
    212 }
    213