src/com/android/camera/util/ApiHelper.java


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/*
 * Copyright (C) 2013 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.camera.util;

import android.os.Build;

import java.lang.reflect.Field;

public class ApiHelper {
    // Documented value of CPU_ABI on x86 architectures
    private static final String X86ABI = "x86";

    public static final boolean AT_LEAST_16 = Build.VERSION.SDK_INT >= 16;

    public static final boolean HAS_APP_GALLERY =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1;

    public static final boolean HAS_ANNOUNCE_FOR_ACCESSIBILITY =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
    public static final boolean HAS_AUTO_FOCUS_MOVE_CALLBACK =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
    public static final boolean HAS_MEDIA_ACTION_SOUND =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
    public static final boolean HAS_MEDIA_COLUMNS_WIDTH_AND_HEIGHT =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
    public static final boolean HAS_SET_BEAM_PUSH_URIS =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
    public static final boolean HAS_SURFACE_TEXTURE_RECORDING =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
    public static final boolean HAS_ROBOTO_MEDIUM_FONT =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;

    public static final boolean HAS_CAMERA_HDR_PLUS = isKitKatOrHigher();
    public static final boolean HDR_PLUS_CAN_USE_ARBITRARY_ASPECT_RATIOS = isKitKatMR2OrHigher();
    public static final boolean HAS_CAMERA_HDR =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1;
    public static final boolean HAS_DISPLAY_LISTENER =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1;

    public static final boolean HAS_ORIENTATION_LOCK =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2;
    public static final boolean HAS_ROTATION_ANIMATION =
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2;

    public static final boolean HAS_HIDEYBARS = isKitKatOrHigher();

    // Don't use renderscript for x86 K, L is OK. See b/18435492
    public static final boolean HAS_RENDERSCRIPT =
            !(Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT && X86ABI.equals(Build.CPU_ABI));

    public static final boolean IS_NEXUS_4 = "mako".equalsIgnoreCase(Build.DEVICE);
    public static final boolean IS_NEXUS_5 = "LGE".equalsIgnoreCase(Build.MANUFACTURER)
            && "hammerhead".equalsIgnoreCase(Build.DEVICE);
    public static final boolean IS_NEXUS_6 = "motorola".equalsIgnoreCase(Build.MANUFACTURER)
            && "shamu".equalsIgnoreCase(Build.DEVICE);
    public static final boolean IS_NEXUS_9 = "htc".equalsIgnoreCase(Build.MANUFACTURER)
            && ("flounder".equalsIgnoreCase(Build.DEVICE)
                 || "flounder_lte".equalsIgnoreCase(Build.DEVICE));

    public static final boolean HAS_CAMERA_2_API = isLOrHigher();

    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;
        }
    }

    public static boolean isKitKatOrHigher() {
        // TODO: Remove CODENAME check as soon as VERSION_CODES.KITKAT is final.
        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
                || "KeyLimePie".equals(Build.VERSION.CODENAME);
    }

    public static boolean isKitKatMR2OrHigher() {
        return isLOrHigher()
                || (isKitKatOrHigher() &&
                       ("4.4.4".equals(Build.VERSION.RELEASE) || "4.4.3".equals(Build.VERSION.RELEASE)));
    }

    public static boolean isLollipop() {
        return Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP;
    }

    public static boolean isLOrHigher() {
        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP
                || "L".equals(Build.VERSION.CODENAME) || "LOLLIPOP".equals(Build.VERSION.CODENAME);
    }

    public static boolean isLMr1OrHigher() {
        return Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP;
    }

    public static boolean isLorLMr1() {
        return Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP
                || Build.VERSION.SDK_INT == 22; // Lollipop MR1
    }

    public static boolean isMOrHigher() {
        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
                || "MNC".equals(Build.VERSION.CODENAME);
    }
}