Fix crash caused by file_ext being null

app/build.gradle

@@ -11,8 +11,8 @@ android {
         applicationId "com.lsper.view"
         minSdkVersion 25
         targetSdkVersion 32
-        versionCode 1101010
-        versionName "1.2.4"
+        versionCode 11010101
+        versionName "1.2.5"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/com/lsp/view/activity/main/PostAdapter.kt

@@ -50,9 +50,16 @@ class PostAdapter(val context: Context, private var postList: ArrayList<Post>) :
             Log.w("position", position.toString())
             Log.w("url", postList[position].sample_url)
             Log.w("rating", postList[position].rating)
+            var file_ext = postList[position].file_ext
+
+            if (file_ext == null){
+                val strarr = postList[position].sample_url.split(".")
+                file_ext = strarr[strarr.lastIndex]
+                Log.e("file_ext",file_ext)
+            }
 
             PicActivity.actionStartActivity(context,postList[position].id,postList[position].sample_url,
-                postList[position].file_url,postList[position].tags,postList[position].file_ext,
+                postList[position].file_url,postList[position].tags,file_ext,
                 postList[position].author,postList[position].file_size)
         }