bucketlist function

app/src/main/java/asgardius/page/s3manager/Adapter.java

@@ -33,7 +33,7 @@ public class Adapter extends RecyclerView.Adapter<Adapter.ViewHolder>{
     public void onBindViewHolder(@NonNull Adapter.ViewHolder holder, int position) {
         int res = (int) Img.get(position);
         holder.images.setImageResource(res);
-        holder.text.setText((Integer) Name.get(position));
+        holder.text.setText((CharSequence) Name.get(position));
     }
     @Override
     public int getItemCount() {

app/src/main/java/asgardius/page/s3manager/BucketSelect.java

@@ -3,6 +3,8 @@ package asgardius.page.s3manager;
 import static com.amazonaws.regions.Regions.US_EAST_1;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -21,6 +23,9 @@ import java.util.List;
 public class BucketSelect extends AppCompatActivity {
 
     AmazonS3 s3client;
+    ArrayList Name;
+    ArrayList Img;
+    RecyclerView recyclerView;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -33,35 +38,54 @@ public class BucketSelect extends AppCompatActivity {
         s3client = new AmazonS3Client(myCredentials, region);
         s3client.setEndpoint(getResources().getString(R.string.endpoint_url));
         s3client.setS3ClientOptions(s3ClientOptions);
-        listbucket list = new listbucket();
-        list.execute("test");
-    }
 
-    private class listbucket extends AsyncTask<String, Void, String> {
+        recyclerView = findViewById(R.id.recyclerview);
+
+        // layout for vertical orientation
+        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getApplicationContext());
+        recyclerView.setLayoutManager(linearLayoutManager);
+        Thread listbucket = new Thread(new Runnable() {
 
             @Override
-        protected String doInBackground(String[] params) {
+            public void run() {
-            // do above Server call here
+                try  {
-            //This get bucket list
+                    //Your code goes here
                     List<Bucket> buckets = s3client.listBuckets();
                     //This convert bucket list to an array list
-            List<String> bucketList = new ArrayList<String>();
+                    Name = new ArrayList<String>();
+                    Img = new ArrayList<String>();
                     // Print bucket names
                     //System.out.println("Buckets:");
                     int i=0;
                     for (Bucket bucket : buckets) {
                         //i++;
                         //System.out.println(bucket.getName());
-                bucketList.add(bucket.getName());
+                        Name.add(bucket.getName());
-            }
+                        //Img.add(R.drawable.ic_launcher_foreground);
-            System.out.println(bucketList);
+                        Img.add(R.drawable.ic_launcher_foreground);
-            //System.out.println(s3client.listBuckets().toArray());
-            return "some message";
                     }
+                    System.out.println(Name);
+
+                    runOnUiThread(new Runnable() {
 
                         @Override
-        protected void onPostExecute(String message) {
+                        public void run() {
-            //process message
+                            // Sending reference and data to Adapter
+                            Adapter adapter = new Adapter(BucketSelect.this, Img, Name);
+
+                            // Setting Adapter to RecyclerView
+                            recyclerView.setAdapter(adapter);
+                        }
+                    });
+
+                } catch (Exception e) {
+                    e.printStackTrace();
                 }
             }
+        });
+
+        listbucket.start();
+        //listbucket list = new listbucket();
+        //list.execute("test");
+    }
 }