fix: 修复自动收缩标题栏不生效

Author: Mystery00

app/src/main/java/me/ghui/v2er/module/home/MainActivity.java

@@ -249,7 +249,7 @@ public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
                 int statusBarHeight = Utils.getStatusBarHeight();
 
                 // When toolbar is scrolled up and would be under status bar, hide it
-                if (verticalOffset > 0 && Math.abs(verticalOffset) >= toolbarHeight - statusBarHeight) {
+                if (verticalOffset < 0 && Math.abs(verticalOffset) >= toolbarHeight - statusBarHeight) {
                     mToolbar.setVisibility(View.INVISIBLE);
                 } else {
                     mToolbar.setVisibility(View.VISIBLE);