/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */import android.app.admin.DevicePolicyManager;import android.content.ComponentName;import android.hardware.Camera;import android.os.Build;import android.provider.MediaStore.MediaColumns;import android.view.View;import java.lang.reflect.Field;public class ApiHelper {	public static interface VERSION_CODES {		// These value are copied from Build.VERSION_CODES		public static final int GINGERBREAD_MR1 = 10;		public static final int HONEYCOMB = 11;		public static final int HONEYCOMB_MR1 = 12;		public static final int HONEYCOMB_MR2 = 13;		public static final int ICE_CREAM_SANDWICH = 14;		public static final int ICE_CREAM_SANDWICH_MR1 = 15;		public static final int JELLY_BEAN = 16;		public static final int JELLY_BEAN_MR1 = 17;	}	public static final boolean USE_888_PIXEL_FORMAT = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;	public static final boolean ENABLE_PHOTO_EDITOR = Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;	public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_LAYOUT_STABLE = hasField(			View.class, "SYSTEM_UI_FLAG_LAYOUT_STABLE");	public static final boolean HAS_VIEW_SYSTEM_UI_FLAG_HIDE_NAVIGATION = hasField(			View.class, "SYSTEM_UI_FLAG_HIDE_NAVIGATION");	public static final boolean HAS_MEDIA_COLUMNS_WIDTH_AND_HEIGHT = hasField(			MediaColumns.class, "WIDTH");	public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_REGION_DECODER = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;	public static final boolean HAS_REUSING_BITMAP_IN_BITMAP_FACTORY = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_SET_BEAM_PUSH_URIS = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;	public static final boolean HAS_SET_DEFALT_BUFFER_SIZE = hasMethod(			"android.graphics.SurfaceTexture", "setDefaultBufferSize",			int.class, int.class);	public static final boolean HAS_RELEASE_SURFACE_TEXTURE = hasMethod(			"android.graphics.SurfaceTexture", "release");	public static final boolean HAS_SURFACE_TEXTURE = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_MTP = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;	public static final boolean HAS_AUTO_FOCUS_MOVE_CALLBACK = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;	public static final boolean HAS_REMOTE_VIEWS_SERVICE = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_INTENT_EXTRA_LOCAL_ONLY = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_SET_SYSTEM_UI_VISIBILITY = hasMethod(			View.class, "setSystemUiVisibility", int.class);	public static final boolean HAS_FACE_DETECTION;	static {		boolean hasFaceDetection = false;		try {			Class
       listenerClass = Class					.forName("android.hardware.Camera$FaceDetectionListener");			hasFaceDetection = hasMethod(Camera.class,					"setFaceDetectionListener", listenerClass)					&& hasMethod(Camera.class, "startFaceDetection")					&& hasMethod(Camera.class, "stopFaceDetection")					&& hasMethod(Camera.Parameters.class,							"getMaxNumDetectedFaces");		} catch (Throwable t) {		}		HAS_FACE_DETECTION = hasFaceDetection;	}	public static final boolean HAS_GET_CAMERA_DISABLED = hasMethod(			DevicePolicyManager.class, "getCameraDisabled", ComponentName.class);	public static final boolean HAS_MEDIA_ACTION_SOUND = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;	public static final boolean HAS_OLD_PANORAMA = Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;	public static final boolean HAS_TIME_LAPSE_RECORDING = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_ZOOM_WHEN_RECORDING = Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;	public static final boolean HAS_CAMERA_FOCUS_AREA = Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;	public static final boolean HAS_CAMERA_METERING_AREA = Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;	public static final boolean HAS_FINE_RESOLUTION_QUALITY_LEVELS = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_MOTION_EVENT_TRANSFORM = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_EFFECTS_RECORDING = false;	// "Background" filter does not have "context" input port in jelly bean.	public static final boolean HAS_EFFECTS_RECORDING_CONTEXT_INPUT = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;	public static final boolean HAS_GET_SUPPORTED_VIDEO_SIZE = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_SET_ICON_ATTRIBUTE = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_MEDIA_PROVIDER_FILES_TABLE = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_SURFACE_TEXTURE_RECORDING = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;	public static final boolean HAS_ACTION_BAR = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	// Ex: View.setTranslationX.	public static final boolean HAS_VIEW_TRANSFORM_PROPERTIES = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean HAS_CAMERA_HDR = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1;	public static final boolean HAS_OPTIONS_IN_MUTABLE = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB;	public static final boolean CAN_START_PREVIEW_IN_JPEG_CALLBACK = Build.VERSION.SDK_INT >= VERSION_CODES.ICE_CREAM_SANDWICH;	public static final boolean HAS_VIEW_PROPERTY_ANIMATOR = Build.VERSION.SDK_INT >= VERSION_CODES.HONEYCOMB_MR1;	public static final boolean HAS_POST_ON_ANIMATION = Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN;	public static int getIntFieldIfExists(Class
       klass, String fieldName,			Class
       obj, int defaultVal) {		try {			Field f = klass.getDeclaredField(fieldName);			return f.getInt(obj);		} catch (Exception e) {			return defaultVal;		}	}	private static boolean hasField(Class
       klass, String fieldName) {		try {			klass.getDeclaredField(fieldName);			return true;		} catch (NoSuchFieldException e) {			return false;		}	}	private static boolean hasMethod(String className, String methodName,			Class
      ... parameterTypes) {		try {			Class
       klass = Class.forName(className);			klass.getDeclaredMethod(methodName, parameterTypes);			return true;		} catch (Throwable th) {			return false;		}	}	private static boolean hasMethod(Class
       klass, String methodName,			Class
      ... paramTypes) {		try {			klass.getDeclaredMethod(methodName, paramTypes);			return true;		} catch (NoSuchMethodException e) {			return false;		}	}}