利用Android 防止系统字体变化、显示大小变化影响

@Override
public Resources getResources() {
    Resources resources = super.getResources();
    if (resources != null &&    resources.getConfiguration().fontScale != 1.0f) {
        Android.content.res.Configuration configuration =    resources.getConfiguration();
        configuration.fontScale = 1.0f;
        resources.updateConfiguration(configuration, resources.getDisplayMetrics());
    }
    return resources;
}

public class DisplayUtil {
    private static final String TAG = DisplayUtil.class.getSimpleName();

    
    public static void setDefaultDisplay(Context context) {
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) {
            Configuration oriGConfig = context.getResources().getConfiguration();
            //获取手机出厂时默认的densityDpi【注释1】
            origConfig.densityDpi = getDefaultDisplayDensity();

            context.getResources().updateConfiguration(origConfig, context.getResources().getDisplayMetrics());
        }
    }

    public static int getDefaultDisplayDensity() {
        try {
            Class clazz = Class.forName("android.view.WindowManagerGlobal");
            Method method = clazz.getMethod("getWindowManagerService");
            method.setAccessible(true);
            Object iwm = method.invoke(clazz);
            Method getInitialDisplayDensity = iwm.getClass().getMethod("getInitialDisplayDensity", int.class);
            getInitialDisplayDensity.setAccessible(true);
            Object densityDpi = getInitialDisplayDensity.invoke(iwm, Display.DEFAULT_DISPLAY);
            return (int) densityDpi;
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }
}