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         public static final int JELLY_BEAN_MR2 = 18;
41     }
42 
43     public static final boolean AT_LEAST_16 = Build.VERSION.SDK_INT >= 16;
44 
45     public static final boolean USE_888_PIXEL_FORMAT =
46             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
47 
48     public static final boolean ENABLE_PHOTO_EDITOR =
49             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
50 
51     public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_LAYOUT_STABLE =
52             hasField(View.class, "SYSTEM_UI_FLAG_LAYOUT_STABLE");
53 
54     public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_HIDE_NAVIGATION =
55             hasField(View.class, "SYSTEM_UI_FLAG_HIDE_NAVIGATION");
56 
57     public static final boolean HAS_MEDIA_COLUMNS_WIDTH_AND_HEIGHT =
58             hasField(MediaColumns.class, "WIDTH");
59 
60     public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_REGION_DECODER =
61             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
62 
63     public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_FACTORY =
64             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
65 
66     public static final boolean HAS_SET_BEAM_PUSH_URIS =
67             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
68 
69     public static final boolean HAS_SET_DEFALT_BUFFER_SIZE = hasMethod(
70             "android.graphics.SurfaceTexture", "setDefaultBufferSize",
71             int.class, int.class);
72 
73     public static final boolean HAS_RELEASE_SURFACE_TEXTURE = hasMethod(
74             "android.graphics.SurfaceTexture", "release");
75 
76     public static final boolean HAS_SURFACE_TEXTURE =
77             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
78 
79     public static final boolean HAS_MTP =
80             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
81 
82     public static final boolean HAS_AUTO_FOCUS_MOVE_CALLBACK =
83             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
84 
85     public static final boolean HAS_REMOTE_VIEWS_SERVICE =
86             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
87 
88     public static final boolean HAS_INTENT_EXTRA_LOCAL_ONLY =
89             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
90 
91     public static final boolean HAS_SET_SYSTEM_UI_VISIBILITY =
92             hasMethod(View.class, "setSystemUiVisibility", int.class);
93 
94     public static final boolean HAS_FACE_DETECTION;
95     static {
96         boolean hasFaceDetection = false;
97         try {
98             Class<?> listenerClass = Class.forName(
99                     "android.hardware.Camera$FaceDetectionListener");
100             hasFaceDetection =
101                     hasMethod(Camera.class, "setFaceDetectionListener", listenerClass) &&
102                     hasMethod(Camera.class, "startFaceDetection") &&
103                     hasMethod(Camera.class, "stopFaceDetection") &&
104                     hasMethod(Camera.Parameters.class, "getMaxNumDetectedFaces");
105         } catch (Throwable t) {
106         }
107         HAS_FACE_DETECTION = hasFaceDetection;
108     }
109 
110     public static final boolean HAS_GET_CAMERA_DISABLED =
111             hasMethod(DevicePolicyManager.class, "getCameraDisabled", ComponentName.class);
112 
113     public static final boolean HAS_MEDIA_ACTION_SOUND =
114             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
115 
116     public static final boolean HAS_TIME_LAPSE_RECORDING =
117             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
118 
119     public static final boolean HAS_ZOOM_WHEN_RECORDING =
120             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
121 
122     public static final boolean HAS_CAMERA_FOCUS_AREA =
123             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
124 
125     public static final boolean HAS_CAMERA_METERING_AREA =
126             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
127 
128     public static final boolean HAS_MOTION_EVENT_TRANSFORM =
129             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
130 
131     public static final boolean HAS_EFFECTS_RECORDING = false;
132 
133     // "Background" filter does not have "context" input port in jelly bean.
134     public static final boolean HAS_EFFECTS_RECORDING_CONTEXT_INPUT =
135             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
136 
137     public static final boolean HAS_GET_SUPPORTED_VIDEO_SIZE =
138             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
139 
140     public static final boolean HAS_SET_ICON_ATTRIBUTE =
141             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
142 
143     public static final boolean HAS_MEDIA_PROVIDER_FILES_TABLE =
144             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
145 
146     public static final boolean HAS_SURFACE_TEXTURE_RECORDING =
147             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
148 
149     public static final boolean HAS_ACTION_BAR =
150             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
151 
152     // Ex: View.setTranslationX.
153     public static final boolean HAS_VIEW_TRANSFORM_PROPERTIES =
154             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
155 
156     public static final boolean HAS_CAMERA_HDR =
157             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
158 
159     public static final boolean HAS_OPTIONS_IN_MUTABLE =
160             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
161 
162     public static final boolean CAN_START_PREVIEW_IN_JPEG_CALLBACK =
163             Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
164 
165     public static final boolean HAS_VIEW_PROPERTY_ANIMATOR =
166             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
167 
168     public static final boolean HAS_POST_ON_ANIMATION =
169             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
170 
171     public static final boolean HAS_ANNOUNCE_FOR_ACCESSIBILITY =
172             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
173 
174     public static final boolean HAS_OBJECT_ANIMATION =
175             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
176 
177     public static final boolean HAS_GLES20_REQUIRED =
178             Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
179 
180     public static final boolean HAS_ROTATION_ANIMATION =
181             hasField(WindowManager.LayoutParams.class, "rotationAnimation");
182 
183     public static final boolean HAS_ORIENTATION_LOCK =
184             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR2;
185 
186     public static final boolean HAS_CANCELLATION_SIGNAL =
187             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
188 
189     public static final boolean HAS_MEDIA_MUXER =
190                     Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR2;
191 
192     public static final boolean HAS_DISPLAY_LISTENER =
193             Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
194 
getIntFieldIfExists(Class<?> klass, String fieldName, Class<?> obj, int defaultVal)195     public static int getIntFieldIfExists(Class<?> klass, String fieldName,
196             Class<?> obj, int defaultVal) {
197         try {
198             Field f = klass.getDeclaredField(fieldName);
199             return f.getInt(obj);
200         } catch (Exception e) {
201             return defaultVal;
202         }
203     }
204 
hasField(Class<?> klass, String fieldName)205     private static boolean hasField(Class<?> klass, String fieldName) {
206         try {
207             klass.getDeclaredField(fieldName);
208             return true;
209         } catch (NoSuchFieldException e) {
210             return false;
211         }
212     }
213 
hasMethod(String className, String methodName, Class<?>... parameterTypes)214     private static boolean hasMethod(String className, String methodName,
215             Class<?>... parameterTypes) {
216         try {
217             Class<?> klass = Class.forName(className);
218             klass.getDeclaredMethod(methodName, parameterTypes);
219             return true;
220         } catch (Throwable th) {
221             return false;
222         }
223     }
224 
hasMethod( Class<?> klass, String methodName, Class<?> ... paramTypes)225     private static boolean hasMethod(
226             Class<?> klass, String methodName, Class<?> ... paramTypes) {
227         try {
228             klass.getDeclaredMethod(methodName, paramTypes);
229             return true;
230         } catch (NoSuchMethodException e) {
231             return false;
232         }
233     }
234 }
235