BuildUtils.java

/*
 * Copyright (c) 2016 Zhang Hai <Dreaming.in.Code.ZH@Gmail.com>
 * All Rights Reserved.
 */

package me.zhanghai.android.douya.util;

import android.os.Environment;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;

public class BuildUtils {

    private static final File BUILD_PROP_FILE = new File(Environment.getRootDirectory(),
            "build.prop");
    private static Properties sBuildProperties;
    private static final Object sBuildPropertiesLock = new Object();

    private BuildUtils() {}

    public static Properties getBuildProperties() {
        synchronized (sBuildPropertiesLock) {
            if (sBuildProperties == null) {
                sBuildProperties = new Properties();
                try {
                    sBuildProperties.load(new FileInputStream(BUILD_PROP_FILE));
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return sBuildProperties;
    }

    public static boolean isEmotionUi() {
        return getBuildProperties().containsKey("ro.build.version.emui");
    }

    public static String getEmotionUiVersion() {
        return getBuildProperties().getProperty("ro.build.version.emui");
    }

    public static boolean isSamsung() {
        return getBuildProperties().containsKey("ro.build.PDA");
    }
}