From 6a7f5c09852e06b2204cda67583de84e895fb78a Mon Sep 17 00:00:00 2001
From: Linjie Pan <408488316@qq.com>
Date: Thu, 19 Sep 2019 06:37:06 +0800
Subject: Fix misuse of AsyncTask (#8799)

---
 .../src/main/java/net.minetest.minetest/MinetestAssetCopy.java | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/build/android/src/main/java/net.minetest.minetest/MinetestAssetCopy.java b/build/android/src/main/java/net.minetest.minetest/MinetestAssetCopy.java
index b570fe61a..03b34f705 100644
--- a/build/android/src/main/java/net.minetest.minetest/MinetestAssetCopy.java
+++ b/build/android/src/main/java/net.minetest.minetest/MinetestAssetCopy.java
@@ -53,6 +53,14 @@ public class MinetestAssetCopy extends Activity {
 		super.onResume();
 		makeFullScreen();
 	}
+	
+	@Override
+    	protected void onDestroy() {
+		super.onDestroy();
+		if (m_AssetCopy != null) {
+			m_AssetCopy.cancel(true);
+		}
+    	}
 
 	public void makeFullScreen() {
 		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
@@ -77,7 +85,7 @@ public class MinetestAssetCopy extends Activity {
 		return this;
 	}
 
-	private class copyAssetTask extends AsyncTask<String, Integer, String> {
+	private static class copyAssetTask extends AsyncTask<String, Integer, String> {
 		boolean m_copy_started = false;
 		String m_Foldername = "media";
 		Vector<String> m_foldernames;
-- 
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