saved playlists screen

app/src/main/java/com/example/soulfood_assignment2/SavedPlaylists.java

+package com.example.soulfood_assignment2;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import java.util.ArrayList;
+
+public class SavedPlaylists extends AppCompatActivity {
+    public static SharedPreferences playlists;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_saved_playlists);
+
+        playlists = getPreferences(Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = playlists.edit();
+
+        editor.putString("playlist 1", "1");
+        editor.commit();
+
+        ArrayList<String> saved = new ArrayList<>();
+        saved.add("Playlist " + playlists.getString("playlist 1", "0"));
+        saved.add("Playlist " + playlists.getString("playlist 2", "0"));
+        saved.add("Playlist " + playlists.getString("playlist 3", "0"));
+
+        for (String s: saved) {
+            if(s.equals("Playlist 0")) {
+                saved.remove(s);
+            }
+        }
+
+        ListView listView = findViewById(R.id.listViewPlaylists);
+
+        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, saved);
+        listView.setAdapter(adapter);
+    }
+}

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

+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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="com.example.soulfood_assignment2.SavedPlaylists">
+
+    <TextView
+        android:id="@+id/textView10"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:layout_marginBottom="8dp"
+        android:text="Saved Playlists"
+        app:layout_constraintBottom_toTopOf="@+id/_dynamic"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.51" />
+
+    <ListView
+        android:id="@+id/listViewPlaylists"
+        android:layout_width="395dp"
+        android:layout_height="640dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginTop="36dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:layout_marginBottom="8dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView10" />
+</android.support.constraint.ConstraintLayout>