ApiHelper.java revision 6afdb1769adddaf94116a7d1cad82740a9455641 
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;
25import android.view.WindowManager;
26
27import java.lang.reflect.Field;
28
29public 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 USE_888_PIXEL_FORMAT =
43            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
44
45    public static final boolean ENABLE_PHOTO_EDITOR =
46            Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
47
48    public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_LAYOUT_STABLE =
49            hasField(View.class, "SYSTEM_UI_FLAG_LAYOUT_STABLE");
50
51    public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_HIDE_NAVIGATION =
52            hasField(View.class, "SYSTEM_UI_FLAG_HIDE_NAVIGATION");
53
54    public static final boolean HAS_MEDIA_COLUMNS_WIDTH_AND_HEIGHT =
55            hasField(MediaColumns.class, "WIDTH");
56
57    public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_REGION_DECODER =
58            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
59
60    public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_FACTORY =
61            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
62
63    public static final boolean HAS_SET_BEAM_PUSH_URIS =
64            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
65
66    public static final boolean HAS_SET_DEFALT_BUFFER_SIZE = hasMethod(
67            "android.graphics.SurfaceTexture", "setDefaultBufferSize",
68            int.class, int.class);
69
70    public static final boolean HAS_RELEASE_SURFACE_TEXTURE = hasMethod(
71            "android.graphics.SurfaceTexture", "release");
72
73    public static final boolean HAS_SURFACE_TEXTURE =
74            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
75
76    public static final boolean HAS_MTP =
77            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
78
79    public static final boolean HAS_AUTO_FOCUS_MOVE_CALLBACK =
80            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
81
82    public static final boolean HAS_REMOTE_VIEWS_SERVICE =
83            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
84
85    public static final boolean HAS_INTENT_EXTRA_LOCAL_ONLY =
86            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
87
88    public static final boolean HAS_SET_SYSTEM_UI_VISIBILITY =
89            hasMethod(View.class, "setSystemUiVisibility", int.class);
90
91    public static final boolean HAS_FACE_DETECTION;
92    static {
93        boolean hasFaceDetection = false;
94        try {
95            Class<?> listenerClass = Class.forName(
96                    "android.hardware.Camera$FaceDetectionListener");
97            hasFaceDetection =
98                    hasMethod(Camera.class, "setFaceDetectionListener", listenerClass) &&
99                    hasMethod(Camera.class, "startFaceDetection") &&
100                    hasMethod(Camera.class, "stopFaceDetection") &&
101                    hasMethod(Camera.Parameters.class, "getMaxNumDetectedFaces");
102        } catch (Throwable t) {
103        }
104        HAS_FACE_DETECTION = hasFaceDetection;
105    }
106
107    public static final boolean HAS_GET_CAMERA_DISABLED =
108            hasMethod(DevicePolicyManager.class, "getCameraDisabled", ComponentName.class);
109
110    public static final boolean HAS_MEDIA_ACTION_SOUND =
111            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
112
113    public static final boolean HAS_OLD_PANORAMA =
114            Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
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_FINE_RESOLUTION_QUALITY_LEVELS =
129            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
130
131    public static final boolean HAS_MOTION_EVENT_TRANSFORM =
132            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
133
134    public static final boolean HAS_EFFECTS_RECORDING = false;
135
136    // "Background" filter does not have "context" input port in jelly bean.
137    public static final boolean HAS_EFFECTS_RECORDING_CONTEXT_INPUT =
138            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
139
140    public static final boolean HAS_GET_SUPPORTED_VIDEO_SIZE =
141            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
142
143    public static final boolean HAS_SET_ICON_ATTRIBUTE =
144            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
145
146    public static final boolean HAS_MEDIA_PROVIDER_FILES_TABLE =
147            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
148
149    public static final boolean HAS_SURFACE_TEXTURE_RECORDING =
150            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
151
152    public static final boolean HAS_ACTION_BAR =
153            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
154
155    // Ex: View.setTranslationX.
156    public static final boolean HAS_VIEW_TRANSFORM_PROPERTIES =
157            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
158
159    public static final boolean HAS_CAMERA_HDR =
160            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;
161
162    public static final boolean HAS_OPTIONS_IN_MUTABLE =
163            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
164
165    public static final boolean CAN_START_PREVIEW_IN_JPEG_CALLBACK =
166            Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;
167
168    public static final boolean HAS_VIEW_PROPERTY_ANIMATOR =
169            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;
170
171    public static final boolean HAS_POST_ON_ANIMATION =
172            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
173
174    public static final boolean HAS_ANNOUNCE_FOR_ACCESSIBILITY =
175            Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;
176
177    public static final boolean HAS_OBJECT_ANIMATION =
178            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
179
180    public static final boolean HAS_GLES20_REQUIRED =
181            Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;
182
183    public static final boolean HAS_ROTATION_ANIMATION =
184            hasField(WindowManager.LayoutParams.class, "rotationAnimation");
185
186    public static int getIntFieldIfExists(Class<?> klass, String fieldName,
187            Class<?> obj, int defaultVal) {
188        try {
189            Field f = klass.getDeclaredField(fieldName);
190            return f.getInt(obj);
191        } catch (Exception e) {
192            return defaultVal;
193        }
194    }
195
196    private static boolean hasField(Class<?> klass, String fieldName) {
197        try {
198            klass.getDeclaredField(fieldName);
199            return true;
200        } catch (NoSuchFieldException e) {
201            return false;
202        }
203    }
204
205    private static boolean hasMethod(String className, String methodName,
206            Class<?>... parameterTypes) {
207        try {
208            Class<?> klass = Class.forName(className);
209            klass.getDeclaredMethod(methodName, parameterTypes);
210            return true;
211        } catch (Throwable th) {
212            return false;
213        }
214    }
215
216    private static boolean hasMethod(
217            Class<?> klass, String methodName, Class<?> ... paramTypes) {
218        try {
219            klass.getDeclaredMethod(methodName, paramTypes);
220            return true;
221        } catch (NoSuchMethodException e) {
222            return false;
223        }
224    }
225}
226