ApiHelper.java revision 2e1771b997ab6966411b2c612562c538ae3e325d 
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
17package com.android.gallery3d.common;
18
19import android.app.admin.DevicePolicyManager;
20import android.content.ComponentName;
21import android.hardware.Camera;
22import android.os.Build;
23import android.provider.MediaStore.MediaColumns;
24import android.view.View;
25
26import java.lang.reflect.Field;
27
28public 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    public static final boolean HAS_GET_SUPPORTED_VIDEO_SIZE =
136            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
137
138    public static final boolean HAS_SET_ICON_ATTRIBUTE =
139            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
140
141    public static final boolean HAS_MEDIA_PROVIDER_FILES_TABLE =
142            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
143
144    public static final boolean HAS_SURFACE_TEXTURE_RECORDING =
145            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
146
147    public static final boolean HAS_ACTION_BAR =
148            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
149
150    // Ex: View.setTranslationX.
151    public static final boolean HAS_VIEW_TRANSFORM_PROPERTIES =
152            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
153
154    public static final boolean HAS_CAMERA_HDR =
155            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
156
157    public static final boolean HAS_OPTIONS_IN_MUTABLE =
158            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
159
160    public static final boolean CAN_START_PREVIEW_IN_JPEG_CALLBACK =
161            Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
162
163    public static final boolean CAN_USE_FLAG_SECURE =
164            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
165
166    public static final boolean HAS_MEDIA_MUXER =
167            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
168
169    public static int getIntFieldIfExists(Class<?> klass, String fieldName,
170            Class<?> obj, int defaultVal) {
171        try {
172            Field f = klass.getDeclaredField(fieldName);
173            return f.getInt(obj);
174        } catch (Exception e) {
175            return defaultVal;
176        }
177    }
178
179    private static boolean hasField(Class<?> klass, String fieldName) {
180        try {
181            klass.getDeclaredField(fieldName);
182            return true;
183        } catch (NoSuchFieldException e) {
184            return false;
185        }
186    }
187
188    private static boolean hasMethod(String className, String methodName,
189            Class<?>... parameterTypes) {
190        try {
191            Class<?> klass = Class.forName(className);
192            klass.getDeclaredMethod(methodName, parameterTypes);
193            return true;
194        } catch (Throwable th) {
195            return false;
196        }
197    }
198
199    private static boolean hasMethod(
200            Class<?> klass, String methodName, Class<?> ... paramTypes) {
201        try {
202            klass.getDeclaredMethod(methodName, paramTypes);
203            return true;
204        } catch (NoSuchMethodException e) {
205            return false;
206        }
207    }
208}
209