add bucket list activity

.idea/misc.xml

@@ -3,6 +3,7 @@
   <component name="DesignSurface">
     <option name="filePathToZoomLevelMap">
       <map>
+        <entry key="app/src/main/res/layout/activity_bucket_select.xml" value="0.1" />
         <entry key="app/src/main/res/layout/activity_main.xml" value="0.1" />
         <entry key="app/src/main/res/layout/activity_video_player.xml" value="0.1" />
       </map>

app/src/main/AndroidManifest.xml

@@ -15,6 +15,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.AsgardiusS3Manager"
         tools:targetApi="31">
+        <activity
+            android:name=".BucketSelect"
+            android:exported="false" />
         <activity
             android:name=".VideoPlayer"
             android:configChanges="orientation|keyboardHidden|screenSize"

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

@@ -0,0 +1,50 @@
+package asgardius.page.s3manager;
+
+import static com.amazonaws.regions.Regions.US_EAST_1;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.AsyncTask;
+import android.os.Bundle;
+
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.auth.BasicAWSCredentials;
+import com.amazonaws.regions.Region;
+import com.amazonaws.services.s3.AmazonS3;
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.S3ClientOptions;
+
+public class BucketSelect extends AppCompatActivity {
+
+    AmazonS3 s3client;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_bucket_select);
+        Region region = Region.getRegion(US_EAST_1);
+        S3ClientOptions s3ClientOptions = S3ClientOptions.builder().build();
+        s3ClientOptions.setPathStyleAccess(true);
+        AWSCredentials myCredentials = new BasicAWSCredentials(getResources().getString(R.string.access_key), getResources().getString(R.string.secret_key));
+        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> {
+
+        @Override
+        protected String doInBackground(String[] params) {
+            // do above Server call here
+            System.out.println(s3client.listBuckets());
+            return "some message";
+        }
+
+        @Override
+        protected void onPostExecute(String message) {
+            //process message
+        }
+    }
+}

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

@@ -39,6 +39,17 @@ public class MainActivity extends AppCompatActivity {
                 //videoplayer("https://video.asgardius.company/download/videos/41780585-a935-4d53-84c8-45ce97141231-480.mp4");
             }
         });
+
+        //This is to launch file explorer test
+        Button explorertest = (Button)findViewById(R.id.ltest);
+        explorertest.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View view) {
+                //buttonaction
+                explorer();
+                //videoplayer("https://video.asgardius.company/download/videos/41780585-a935-4d53-84c8-45ce97141231-480.mp4");
+            }
+        });
     }
 
     private void s3test() {
@@ -64,5 +75,11 @@ public class MainActivity extends AppCompatActivity {
         startActivity(intent);
 
     }
+    private void explorer() {
+
+        Intent intent = new Intent(this, BucketSelect.class);
+        startActivity(intent);
+
+    }
 
 }

app/src/main/res/layout/activity_bucket_select.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".BucketSelect">
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_main.xml

@@ -31,6 +31,14 @@
             android:text="@string/video_test_button"
             tools:ignore="MissingConstraints" />
 
+        <Button
+            android:id="@+id/ltest"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:text="@string/explorer_test_button"
+            tools:ignore="MissingConstraints" />
+
     </LinearLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -7,6 +7,7 @@
     <string name="secret_key">password</string>
     <string name="bucketname">bucket</string>
     <string name="objectname">object</string>
+    <string name="explorer_test_button">File Explorer Test</string>
     <string name="video_test_button">Video Test</string>
     <string name="media_load_fail">Cannot load media file</string>
     <string name="dummy_button">Dummy Button</string>