package com.dl7.player.utils;
import android.content.Context;
import android.content.res.Resources;
import java.lang.reflect.Method;
/**
* Created by long on 2016/10/10.
* 导航栏工具类
*/
public final class NavUtils {
private NavUtils() {
throw new RuntimeException("NavUtils cannot be initialized!");
}
/**
* 获取底部导航栏高度
* @param activity
* @return
*/
public static int getNavigationBarHeight(Context activity) {
if (!checkDeviceHasNavigationBar(activity)) {
return 0;
}
Resources resources = activity.getResources();
int resourceId = resources.getIdentifier("navigation_bar_height",
"dimen", "android");
//获取NavigationBar的高度
int height = resources.getDimensionPixelSize(resourceId);
return height;
}
/**
* 检测是否有虚拟键
* @param context
* @return
*/
public static boolean checkDeviceHasNavigationBar(Context context) {
boolean hasNavigationBar = false;
Resources rs = context.getResources();
int id = rs.getIdentifier("config_showNavigationBar", "bool", "android");
if (id > 0) {
hasNavigationBar = rs.getBoolean(id);
}
try {
Class systemPropertiesClass = Class.forName("android.os.SystemProperties");
Method m = systemPropertiesClass.getMethod("get", String.class);
String navBarOverride = (String) m.invoke(systemPropertiesClass, "qemu.hw.mainkeys");
if ("1".equals(navBarOverride)) {
hasNavigationBar = false;
} else if ("0".equals(navBarOverride)) {
hasNavigationBar = true;
}
} catch (Exception e) {
}
return hasNavigationBar;
}
}