src/java/org/cyanogenmod/internal/util/ScreenType.java


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/*
 * Copyright (C) 2015 The CyanogenMod 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 org.cyanogenmod.internal.util;

import android.content.Context;
import android.util.DisplayMetrics;
import android.view.DisplayInfo;
import android.view.WindowManager;

public class ScreenType {
    // Device type reference
    private static int sDeviceType = -1;

    // Device types
    private static final int DEVICE_PHONE = 0;
    private static final int DEVICE_HYBRID = 1;
    private static final int DEVICE_TABLET = 2;

    private static int getScreenType(Context context) {
        if (sDeviceType == -1) {
            WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
            DisplayInfo outDisplayInfo = new DisplayInfo();
            wm.getDefaultDisplay().getDisplayInfo(outDisplayInfo);
            int shortSize = Math.min(outDisplayInfo.logicalHeight, outDisplayInfo.logicalWidth);
            int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT
                    / outDisplayInfo.logicalDensityDpi;
            if (shortSizeDp < 600) {
                // 0-599dp: "phone" UI with a separate status & navigation bar
                sDeviceType =  DEVICE_PHONE;
            } else if (shortSizeDp < 720) {
                // 600-719dp: "phone" UI with modifications for larger screens
                sDeviceType = DEVICE_HYBRID;
            } else {
                // 720dp: "tablet" UI with a single combined status & navigation bar
                sDeviceType = DEVICE_TABLET;
            }
        }
        return sDeviceType;
    }

    public static boolean isPhone(Context context) {
        return getScreenType(context) == DEVICE_PHONE;
    }

    public static boolean isHybrid(Context context) {
        return getScreenType(context) == DEVICE_HYBRID;
    }

    public static boolean isTablet(Context context) {
        return getScreenType(context) == DEVICE_TABLET;
    }
}