package com.future.driver.utils; import android.content.Context; import android.content.res.Configuration; import android.content.res.Resources; import android.graphics.Point; import android.graphics.Rect; import android.os.Build; import android.provider.Settings; import android.util.DisplayMetrics; import android.view.Display; import android.view.View; import android.view.ViewTreeObserver; import android.view.Window; import android.view.WindowManager; import androidx.annotation.NonNull; import java.lang.reflect.Method; public class NavigationBarUtil { /** * 判断虚拟导航栏是否显示 * * @param context 上下文对象 * @param window 当前窗口 * @return true(显示虚拟导航栏)，false(不显示或不支持虚拟导航栏) */ public static boolean checkNavigationBarShow(@NonNull Context context, @NonNull Window window) { boolean show; if (Build.MANUFACTURER.equals("Xiaomi")) { show = xiaomiNavigationGestureEnabled(context); } else { Display display = window.getWindowManager().getDefaultDisplay(); Point point = new Point(); display.getRealSize(point); View decorView = window.getDecorView(); Configuration conf = context.getResources().getConfiguration(); if (Configuration.ORIENTATION_LANDSCAPE == conf.orientation) { View contentView = decorView.findViewById(android.R.id.content); show = (point.x != contentView.getWidth()); } else { Rect rect = new Rect(); decorView.getWindowVisibleDisplayFrame(rect); show = (rect.bottom != point.y); } } return show; } /** * 小米手机是否开启手势 * * @param context * @return */ public static boolean xiaomiNavigationGestureEnabled(Context context) { int val = Settings.Global.getInt(context.getContentResolver(), "force_fsg_nav_bar", 0); return val != 0; } public static int getHeightOfNavigationBar(Context context) { //如果小米手机开启了全面屏手势隐藏了导航栏则返回 0 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { if (Settings.Global.getInt(context.getContentResolver(), "force_fsg_nav_bar", 0) != 0) { return 0; } } int realHeight = getScreenSize(context)[1]; Display d = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)) .getDefaultDisplay(); DisplayMetrics displayMetrics = new DisplayMetrics(); d.getMetrics(displayMetrics); int displayHeight = displayMetrics.heightPixels; return realHeight - displayHeight; } public static int[] getScreenSize(Context context) { int[] size = new int[2]; WindowManager w = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display d = w.getDefaultDisplay(); DisplayMetrics metrics = new DisplayMetrics(); d.getMetrics(metrics); // since SDK_INT = 1; int widthPixels = metrics.widthPixels; int heightPixels = metrics.heightPixels; // includes window decorations (statusbar bar/menu bar) if (Build.VERSION.SDK_INT >= 14 && Build.VERSION.SDK_INT < 17) try { widthPixels = (Integer) Display.class.getMethod("getRawWidth").invoke(d); heightPixels = (Integer) Display.class.getMethod("getRawHeight").invoke(d); } catch (Exception ignored) { } // includes window decorations (statusbar bar/menu bar) if (Build.VERSION.SDK_INT >= 17) try { Point realSize = new Point(); Display.class.getMethod("getRealSize", Point.class).invoke(d, realSize); widthPixels = realSize.x; heightPixels = realSize.y; } catch (Exception ignored) { } size[0] = widthPixels; size[1] = heightPixels; return size; } /** * 获取设备是否存在NavigationBar * * @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) { //do something } return hasNavigationBar; } /** * 获取NavigationBar的高度 * * @return */ public static int getNavigationBarHeight(Context context) { Resources resources = context.getResources(); int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android"); int height = resources.getDimensionPixelSize(resourceId); return height; } /** * 获取手机屏幕高度 */ public static int getHeight(Context context) { DisplayMetrics dm = new DisplayMetrics(); WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); windowManager.getDefaultDisplay().getMetrics(dm); return dm.heightPixels; } /** * 获取屏幕真实高度（包括虚拟键盘） */ public static int getRealHeight(Context context) { WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = windowManager.getDefaultDisplay(); DisplayMetrics dm = new DisplayMetrics(); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { display.getRealMetrics(dm); } else { display.getMetrics(dm); } int realHeight = dm.heightPixels; return realHeight; } //获取屏幕原始尺寸高度，包括虚拟功能键高度 private int getDpi(Context context) { int dpi = 0; WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = windowManager.getDefaultDisplay(); DisplayMetrics displayMetrics = new DisplayMetrics(); @SuppressWarnings("rawtypes") Class c; try { c = Class.forName("android.view.Display"); @SuppressWarnings("unchecked") Method method = c.getMethod("getRealMetrics", DisplayMetrics.class); method.invoke(display, displayMetrics); dpi = displayMetrics.heightPixels; } catch (Exception e) { e.printStackTrace(); } return dpi; } public interface NavigationListener { void show(); void hide(); } //虚拟导航栏显示/隐藏 public static void setNavigationListener(final View rootView, Context context, final NavigationListener navigationListener) { if (rootView == null || navigationListener == null) { return; } if (getRealHeight(context) != getHeight(context)) { rootView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { int rootViewHeight; @Override public void onGlobalLayout() { int viewHeight = rootView.getHeight(); if (rootViewHeight != viewHeight) { rootViewHeight = viewHeight; if (viewHeight == getRealHeight(context)) { //隐藏虚拟按键 if (navigationListener != null) { navigationListener.hide(); } } else { //显示虚拟按键 if (navigationListener != null) { navigationListener.show(); } } } } }); } } }