Open Nextcloud files in Nextcloud app if installed

files/src/main/java/de/mm20/launcher2/search/data/NextcloudFile.kt

@@ -2,10 +2,8 @@ package de.mm20.launcher2.search.data
 
 import android.content.Context
 import android.content.Intent
+import android.content.pm.PackageManager
 import android.net.Uri
-import de.mm20.launcher2.files.R
-import de.mm20.launcher2.helper.NetworkUtils
-import de.mm20.launcher2.nextcloud.NextcloudApiHelper
 
 class NextcloudFile(
     fileId: Long,
@@ -25,9 +23,26 @@ class NextcloudFile(
         get() = true
 
     override fun getLaunchIntent(context: Context): Intent? {
+        var nextcloudApp: String? = null
         return Intent(Intent.ACTION_VIEW).apply {
             data = Uri.parse("$server/f/$id")
             flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            `package` = getNextcloudAppPackage(context)
+        }
+    }
+
+    companion object {
+        private fun getNextcloudAppPackage(context: Context): String? {
+            val candidates = listOf("com.nextcloud.client", "com.nextcloud.android.beta")
+
+            for (c in candidates) {
+                try {
+                    context.packageManager.getPackageInfo(c, 0)
+                    return c
+                } catch (e: PackageManager.NameNotFoundException) {
+                }
+            }
+            return null
         }
     }
 }