feat(release): close handler and microphone gaps

mobile-uni/src/utils/microphone.ts

@@ -8,14 +8,25 @@
  * Android 运行时授权框。已授权设备上本调用为无害空转;若确实不弹,则它是唯一的授权入口。
  */
 
+import { withPlatformPermissionActivity } from '../services/file-selection-lifecycle';
+
 const RECORD_AUDIO = 'android.permission.RECORD_AUDIO';
 
 /** 授权申请超时:回调未触发时不能无限挂起,放行交由 getUserMedia 兜底。 */
 const REQUEST_TIMEOUT_MS = 15000;
+/** Android 权限 Activity 返回后，必须等应用窗口重新获得焦点再启动录音或文件选择。 */
+const ACTIVITY_FOCUS_POLL_MS = 50;
+const ACTIVITY_FOCUS_TIMEOUT_MS = 1500;
+
+interface AndroidActivityLike {
+  hasWindowFocus?: () => boolean;
+}
 
 export type MicPermissionResult = 'granted' | 'denied' | 'denied-always' | 'unsupported';
 
 interface PlusAndroidLike {
+  importClass?: (target: unknown) => unknown;
+  runtimeMainActivity?: () => AndroidActivityLike;
   requestPermissions?: (
     permissions: string[],
     success: (event: { granted?: string[]; deniedPresent?: string[]; deniedAlways?: string[] }) => void,
@@ -28,6 +39,42 @@ const androidBridge = (): PlusAndroidLike | null => {
   return plusApi?.android ?? null;
 };
 
+const settleAfterPermissionActivity = (
+  android: PlusAndroidLike,
+  settle: (result: MicPermissionResult) => void,
+  result: MicPermissionResult
+) => {
+  let activity: AndroidActivityLike | undefined;
+  try {
+    activity = android.runtimeMainActivity?.();
+    if (activity) android.importClass?.(activity);
+  } catch {
+    // 某些旧基座不暴露主 Activity；仍至少跨过当前权限回调任务。
+  }
+  if (!activity?.hasWindowFocus) {
+    setTimeout(() => settle(result), ACTIVITY_FOCUS_POLL_MS);
+    return;
+  }
+
+  const deadline = Date.now() + ACTIVITY_FOCUS_TIMEOUT_MS;
+  const poll = () => {
+    let focused = false;
+    try {
+      focused = Boolean(activity?.hasWindowFocus?.());
+    } catch {
+      settle(result);
+      return;
+    }
+    if (focused || Date.now() >= deadline) {
+      settle(result);
+      return;
+    }
+    setTimeout(poll, ACTIVITY_FOCUS_POLL_MS);
+  };
+  // 即使回调时已经恢复焦点，也跨过一次事件循环，避免和权限 Activity 的 finish 竞争。
+  setTimeout(poll, ACTIVITY_FOCUS_POLL_MS);
+};
+
 /**
  * 主动申请麦克风权限。
  * 非 Android App 运行时(H5、iOS)返回 unsupported,由各自平台的原生授权流程处理。
@@ -36,7 +83,7 @@ export const requestMicrophonePermission = (): Promise<MicPermissionResult> => {
   const android = androidBridge();
   if (!android?.requestPermissions) return Promise.resolve('unsupported');
 
-  return new Promise((resolve) => {
+  return withPlatformPermissionActivity(() => new Promise((resolve) => {
     let settled = false;
     const settle = (result: MicPermissionResult) => {
       if (settled) return;
@@ -50,17 +97,19 @@ export const requestMicrophonePermission = (): Promise<MicPermissionResult> => {
       android.requestPermissions!(
         [RECORD_AUDIO],
         (event) => {
-          if (event?.granted?.length) settle('granted');
-          else if (event?.deniedAlways?.length) settle('denied-always');
-          else if (event?.deniedPresent?.length) settle('denied');
-          else settle('denied');
+          const result: MicPermissionResult = event?.granted?.length
+            ? 'granted'
+            : event?.deniedAlways?.length
+              ? 'denied-always'
+              : 'denied';
+          settleAfterPermissionActivity(android, settle, result);
         },
         () => settle('unsupported')
       );
     } catch {
       settle('unsupported');
     }
-  });
+  }));
 };
 
 /** 权限被拒时的中文引导文案。 */