android 打开h5文件下载,【APICloud】Android文件选择Download目录闪退解决思路及方案...

您好，针对您提出的问题，我可以提供以下思路和解决方案：

1. 首先，您需要确保您的Android应用程序已经获得了文件读写权限，以便能够在设备上下载文件。您可以在应用程序的AndroidManifest.xml文件中添加以下权限声明：

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

2. 接下来，您需要使用Android内置的下载管理器来下载H5文件。您可以使用以下代码来触发下载：

DownloadManager.Request request = new DownloadManager.Request(Uri.parse("http://example.com/h5file.html"));
request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI | DownloadManager.Request.NETWORK_MOBILE);
request.setAllowedOverRoaming(false);
request.setTitle("H5 File Download");
request.setDescription("Downloading H5 file...");
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "h5file.html");

DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
manager.enqueue(request);

3. 最后，您需要确保您的应用程序处理下载完成的通知，并在下载完成后打开H5文件。您可以使用以下代码来处理下载完成的通知：

BroadcastReceiver receiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)) {
            long downloadId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0);
            DownloadManager manager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
            DownloadManager.Query query = new DownloadManager.Query();
            query.setFilterById(downloadId);
            Cursor cursor = manager.query(query);
            if (cursor.moveToFirst()) {
                int columnIndex = cursor.getColumnIndex(DownloadManager.COLUMN_STATUS);
                if (DownloadManager.STATUS_SUCCESSFUL == cursor.getInt(columnIndex)) {
                    String uriString = cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI));
                    Uri uri = Uri.parse(uriString);
                    Intent openFileIntent = new Intent(Intent.ACTION_VIEW);
                    openFileIntent.setDataAndType(uri, "text/html");
                    openFileIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

                    try {
                        startActivity(openFileIntent);
                    } catch (ActivityNotFoundException e) {
                        // Handle exception
                    }
                }
            }
            cursor.close();
        }
    }
};

registerReceiver(receiver, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));

希望这些思路和解决方案能够帮助您解决您的问题。如果您有任何疑问，请随时向我提问。