App 2.27.0: full-width Overview, a button hides the navigation

A small button in the Overview's top-right corner hides the app's
sidebar (or bottom bar) and brings it back; only on the Overview,
remembered, swiping still works. Emulator only.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6

app/src/main/java/com/evsuite/abrp/MainActivity.java

@@ -182,7 +182,14 @@ public class MainActivity extends AppCompatActivity {
         // by the tick even when their page is off screen.
         pager.setOffscreenPageLimit(panes.length - 1);
         pager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
-            @Override public void onPageSelected(int position) { markCurrentPage(position); }
+            @Override public void onPageSelected(int position) {
+                markCurrentPage(position);
+                applyOverviewFullScreen(position);
+            }
+        });
+        findViewById(R.id.overview_fullscreen).setOnClickListener(v -> {
+            prefs.edit().putBoolean(PREF_OVERVIEW_FULLSCREEN, !prefs.getBoolean(PREF_OVERVIEW_FULLSCREEN, false)).apply();
+            applyOverviewFullScreen(pager.getCurrentItem());
         });
 
         for (int i = 0; i < TAB_IDS.length; i++) {
@@ -192,6 +199,25 @@ public class MainActivity extends AppCompatActivity {
             findViewById(TAB_IDS[i]).setOnClickListener(v -> pager.setCurrentItem(index, false));
         }
         markCurrentPage(pager.getCurrentItem());
+        applyOverviewFullScreen(pager.getCurrentItem());
+    }
+
+    /** Whether the Overview hides the navigation (the button in its corner). */
+    static final String PREF_OVERVIEW_FULLSCREEN = "overview_fullscreen";
+
+    /**
+     * The Overview full screen: the navigation hidden while the Overview is the page and the
+     * driver chose it; every other page always has its navigation, and swiping still works.
+     * The button only shows on the Overview, its icon saying what a tap does.
+     */
+    private void applyOverviewFullScreen(int position) {
+        boolean overview = position == 0;
+        boolean full = overview && prefs.getBoolean(PREF_OVERVIEW_FULLSCREEN, false);
+        findViewById(R.id.nav_bar).setVisibility(full ? View.GONE : View.VISIBLE);
+        android.widget.ImageButton button = findViewById(R.id.overview_fullscreen);
+        button.setVisibility(overview ? View.VISIBLE : View.GONE);
+        button.setImageResource(full ? R.drawable.ic_fullscreen_exit : R.drawable.ic_fullscreen);
+        button.setContentDescription(getString(full ? R.string.overview_fullscreen_exit : R.string.overview_fullscreen_enter));
     }
 
     /**

app/src/main/java/com/evsuite/abrp/MinimalView.java

@@ -67,7 +67,8 @@ final class MinimalView extends ClusterCanvasView {
 
         // Corners: power and the clock; bottom middle: usage.
         text(c, fmt(v.powerKw, "%.1f kW", "— kW"), 8f * dp, 30f * dp, 20f * dp, grey, Paint.Align.LEFT);
-        text(c, v.clock.isEmpty() ? "—" : v.clock, w - 8f * dp, 30f * dp, 20f * dp, grey, Paint.Align.RIGHT);
+        // Left of the full-screen button, which sits in the top-right corner.
+        text(c, v.clock.isEmpty() ? "—" : v.clock, w - 72f * dp, 30f * dp, 20f * dp, grey, Paint.Align.RIGHT);
         text(c, fmt(v.usage5Min, "%.1f kWh/100 km", "— kWh/100 km"), w / 2f, h * 0.86f, 16f * dp, grey, Paint.Align.CENTER);
 
         // The battery: a hairline along the bottom, filled to the charge.

app/src/main/java/com/evsuite/abrp/TerminalView.java

@@ -41,9 +41,10 @@ final class TerminalView extends ClusterCanvasView {
 
         // About 14 rows at 1.32 em each plus margins; monospace is about 0.6 em wide and the
         // longest row about 58 characters.
-        float size = Math.min(h / 19.5f, w / 38f);
+        float x = 16f * dp;
+        float size = Math.min(h / 19.5f, (w - x) / 38f);
         text.setTextSize(size);
-        float line = size * 1.32f, x = 16f * dp, y = 12f * dp + line;
+        float line = size * 1.32f, y = 12f * dp + line;
         String gear = gearRow();
 
         print(c, "nils@mg4:~$ watch -n 0.2 vehicle-status", x, y, dim);