Android 虚拟按键高度获取，适配全面屏

野性酷女 2023-07-01 08:47 88阅读 0赞

public class ScreenUtil { 
    
        public ScreenUtil screenUtilInstance;
        private Context context;
    
        private ScreenUtil(Context context) { 
            this.context = context;
        }
    
        public synchronized ScreenUtil getScreenUtilInstance(Context context) { 
            if (screenUtilInstance == null) { 
                screenUtilInstance = new ScreenUtil(context);
            }
            return screenUtilInstance;
        }
    
    
        public int getVirtualKeyHeight() { 
            //全面屏是否开启 0 关闭 1 开启
            if (Settings.Global.getInt(context.getContentResolver(), getDeviceInfo(), 0) != 0) { 
                return 0;
            }
            //虚拟按键直接用原始高度和现在高度差，高度差就是虚拟按键高度
            int realHeight = getRawScreenSize(context)[1];
            int displayHeight = getScreenSize(context)[1];
            return realHeight - displayHeight;
        }
    
        //获取设备信息，来确定是否开启了全面屏
        private String getDeviceInfo() { 
            String brand = Build.BRAND;
            if (TextUtils.isEmpty(brand)) return "navigationbar_is_min";
    
            if (brand.equalsIgnoreCase("HUAWEI")) { 
                return "navigationbar_is_min";
            } else if (brand.equalsIgnoreCase("XIAOMI")) { 
                return "force_fsg_nav_bar";
            } else if (brand.equalsIgnoreCase("VIVO")) { 
                return "navigation_gesture_on";
            } else if (brand.equalsIgnoreCase("OPPO")) { 
                return "navigation_gesture_on";
            } else { 
                return "navigationbar_is_min";
            }
        }
    
        //获取原始的屏幕尺寸
        public static int[] getRawScreenSize(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;
        }
    
        //获取当前的屏幕尺寸
        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);
    
            size[0] = metrics.widthPixels;
            size[1] = metrics.heightPixels;
            return size;
        }
    }