| /* |
| * 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. |
| */ |
| |
| package com.android.gallery3d.common; |
| |
| import android.app.Activity; |
| import android.os.Build; |
| import android.provider.MediaStore.MediaColumns; |
| import android.view.View; |
| |
| 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 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_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_ACTIVITY_INVALIDATE_OPTIONS_MENU = |
| hasMethod(Activity.class, "invalidateOptionsMenu"); |
| |
| 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; |
| } |
| } |
| } |