Android task entry fix

src/view/TaskEditorModal.ts

@@ -25,6 +25,7 @@ export class TaskEditorModal extends Modal {
   private selectedFile: TFile | null = null;
   private fileLabel: HTMLSpanElement | null = null;
   private keyboardHandler: (() => void) | null = null;
+  private keyboardResetHandler: (() => void) | null = null;
 
   constructor(
     app: App,
@@ -46,20 +47,42 @@ export class TaskEditorModal extends Modal {
     const { contentEl } = this;
     contentEl.addClass('yaotp-editor-modal');
 
-    // On Android the on-screen keyboard shrinks the visual viewport but not
-    // the layout viewport, so a fixed-position modal stays centered in the
-    // full layout height and gets half-covered. We listen for visual-viewport
-    // resize events and pull the modal container's bottom edge up to match,
-    // keeping the modal in the visible area above the keyboard.
-    if (window.visualViewport) {
-      this.keyboardHandler = () => {
-        const vv = window.visualViewport!;
-        const keyboardHeight = Math.max(0, window.innerHeight - vv.height - vv.offsetTop);
-        this.containerEl.style.bottom = `${keyboardHeight}px`;
-        this.modalEl.style.maxHeight = keyboardHeight > 0 ? `${vv.height * 0.9}px` : '';
-      };
-      window.visualViewport.addEventListener('resize', this.keyboardHandler);
+    // On Android the on-screen keyboard doesn't resize the layout viewport, so
+    // the fixed-position modal container stays full-height and the modal ends
+    // up centered behind the keyboard. We fix this by:
+    //   1. On textarea focus (+ a short delay for the keyboard animation),
+    //      read the visual viewport height and shrink the container to that
+    //      size, then align the modal to the top of the container.
+    //   2. On blur, reset everything.
+    // We also listen to visualViewport and window resize as supplementary
+    // triggers in case the keyboard appears/disappears without a focus change.
+    const adjust = () => {
+      const vv = window.visualViewport;
+      const availableHeight = vv ? vv.height : window.innerHeight;
+      const keyboardHeight = Math.max(0, window.innerHeight - availableHeight);
+      if (keyboardHeight > 50) {
+        this.containerEl.style.height = `${availableHeight}px`;
+        this.containerEl.style.alignItems = 'flex-start';
+        this.containerEl.style.paddingTop = '8px';
+        this.modalEl.style.maxHeight = `${availableHeight - 16}px`;
+      } else {
+        this.containerEl.style.height = '';
+        this.containerEl.style.alignItems = '';
+        this.containerEl.style.paddingTop = '';
+        this.modalEl.style.maxHeight = '';
       }
+    };
+
+    this.keyboardHandler = adjust;
+    this.keyboardResetHandler = () => {
+      this.containerEl.style.height = '';
+      this.containerEl.style.alignItems = '';
+      this.containerEl.style.paddingTop = '';
+      this.modalEl.style.maxHeight = '';
+    };
+
+    window.visualViewport?.addEventListener('resize', adjust);
+    window.addEventListener('resize', adjust);
 
     // Title
     contentEl.createEl('h2', { text: 'Edit task' });
@@ -74,6 +97,8 @@ export class TaskEditorModal extends Modal {
       attr: { rows: '8', placeholder: 'Task title\n\nNotes…' },
     });
     this.textarea.value = initialValue;
+    this.textarea.addEventListener('focus', () => setTimeout(adjust, 300));
+    this.textarea.addEventListener('blur',  () => setTimeout(adjust, 100));
     // Auto-focus
     setTimeout(() => this.textarea?.focus(), 50);
 
@@ -129,8 +154,11 @@ export class TaskEditorModal extends Modal {
   onClose(): void {
     if (this.keyboardHandler) {
       window.visualViewport?.removeEventListener('resize', this.keyboardHandler);
+      window.removeEventListener('resize', this.keyboardHandler);
       this.keyboardHandler = null;
     }
+    this.keyboardResetHandler?.();
+    this.keyboardResetHandler = null;
     this.contentEl.empty();
   }