Add recyclerview

app/build.gradle

@@ -27,4 +27,5 @@ dependencies {
     androidTestImplementation 'androidx.test.ext:junit:1.1.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
     implementation 'com.squareup.okhttp3:okhttp:4.2.2'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
 }

app/src/main/java/com/janasroboter/MainActivity.java

@@ -1,6 +1,10 @@
 package com.janasroboter;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.DividerItemDecoration;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
 import android.os.Bundle;
 import android.os.StrictMode;
 import android.view.View;
@@ -10,10 +14,16 @@ import android.widget.Toast;
 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.List;
 
 public class MainActivity extends AppCompatActivity {
 
     private final String URL = "http://192.168.4.1";
+    private RecyclerView recyclerView;
+    private RecyclerView.Adapter modeAdapter;
+    private LinearLayoutManager layoutManager;
+    private List<String> data;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -29,6 +39,25 @@ public class MainActivity extends AppCompatActivity {
                   .detectNetwork()
                   .penaltyLog()
                   .build());
+
+        recyclerView = findViewById(R.id.recyclerv);
+
+        recyclerView.setHasFixedSize(true);
+        layoutManager = new LinearLayoutManager(getBaseContext());
+        recyclerView.setLayoutManager(layoutManager);
+
+        data = new ArrayList<>();
+        setRecyclerData(data);
+
+        modeAdapter = new ModeListAdapter(data);
+        recyclerView.setAdapter(modeAdapter);
+
+        recyclerView.addItemDecoration(new DividerItemDecoration(getBaseContext(), DividerItemDecoration.VERTICAL));
+    }
+
+    private void setRecyclerData(List<String> data) {
+        data.add("Mode 1");
+        data.add("Mode 2");
     }
 
 

app/src/main/java/com/janasroboter/ModeListAdapter.java

@@ -0,0 +1,53 @@
+package com.janasroboter;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+public class ModeListAdapter extends RecyclerView.Adapter<ModeListAdapter.LineHolder> {
+
+    private List<String> data;
+
+    static class LineHolder extends RecyclerView.ViewHolder {
+        public TextView mode;
+
+
+        public LineHolder(View itemView) {
+            super(itemView);
+
+            mode = itemView.findViewById(R.id.tv_mode);
+        }
+    }
+
+    public ModeListAdapter(List<String> data) {
+        this.data = data;
+    }
+
+    public ModeListAdapter.LineHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        // Create a new view
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.recycler_item, parent, false);
+
+        return new LineHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull LineHolder holder, final int position) {
+        // Set the username
+        String text = data.get(position);
+        System.out.println("Username: " + text);
+        holder.mode.setText(text);
+    }
+
+    @Override
+    public int getItemCount() {
+        return data.size();
+    }
+
+}

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

@@ -85,4 +85,15 @@
         android:text="Singen"
         app:layout_constraintStart_toEndOf="@+id/textView"
         app:layout_constraintTop_toBottomOf="@+id/state" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerv"
+        android:layout_width="409dp"
+        android:layout_height="540dp"
+        android:layout_marginTop="16dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/btnSingen"
+        app:layout_constraintVertical_bias="1.0" />
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,18 @@
+<?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"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/tv_mode"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="16dp"
+        android:text="TextView"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>