MainActivity: fix top padding, making it depend on device's properties rather than being hardcoded

Author: thatoddmailbox

app/src/main/java/space/myhomework/android/MainActivity.java

@@ -68,6 +68,18 @@ protected void onCreate(Bundle savedInstanceState) {
 
         setTitle("MyHomeworkSpace");
 
+        // TODO: for some reason, I cannot find a good way of handling this
+        // ("this" meaning showing the top navbar under the system status bar, and showing the bottom tabbar under the system nav bar)
+        // it works for the bottom but not the top
+        // so, manually hack the top into working
+        // I think maybe related: https://stackoverflow.com/a/73938386/2178519
+        int statusBarHeight = 0;
+        int statusBarHeightID = getResources().getIdentifier("status_bar_height", "dimen", "android");
+        if (statusBarHeightID != -1) {
+            statusBarHeight = getResources().getDimensionPixelSize(statusBarHeightID);
+        }
+        findViewById(R.id.main_frame_layout).setPadding(0, statusBarHeight, 0, 0);
+
         final Context ctx = this;
         final ProgressDialog progressDialog = ProgressDialog.show(this, "", "Loading, please wait...", true);
         progressDialog.show();

app/src/main/res/layout/activity_main.xml

@@ -12,7 +12,6 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:id="@+id/main_frame_layout"
-    android:paddingTop="36dp"
     tools:context="space.myhomework.android.MainActivity">
 
     <androidx.coordinatorlayout.widget.CoordinatorLayout