redesign the structure

app/src/main/java/at/ac/perg/htl/bhif16/coffeeapp/DrinkAdapter.java

@@ -0,0 +1,79 @@
+package at.ac.perg.htl.bhif16.coffeeapp;
+
+import android.app.Activity;
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+
+import java.util.ArrayList;
+
+
+public class DrinkAdapter extends ArrayAdapter<Student> {
+
+    Context context;
+    int layoutResourceId;
+    int i;
+    ArrayList<Student> students = new ArrayList<Student>();
+
+    public DrinkAdapter(Context context, int layoutResourceId,
+                          ArrayList<Student> studs) {
+        super(context, layoutResourceId, studs);
+        this.layoutResourceId = layoutResourceId;
+        this.context = context;
+        this.students = studs;
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        View item = convertView;
+        StudentWrapper StudentWrapper = null;
+
+        if (item == null) {
+            LayoutInflater inflater = ((Activity) context).getLayoutInflater();
+            item = inflater.inflate(layoutResourceId, parent, false);
+            StudentWrapper = new StudentWrapper();
+            StudentWrapper.name = (TextView) item.findViewById(R.id.listview_item_title);
+            StudentWrapper.consumedDrinks = (TextView) item.findViewById(R.id.count_field);
+            StudentWrapper.img = (ImageView) item.findViewById(R.id.listview_image);
+            StudentWrapper.count = (Button) item.findViewById(R.id.count_btn);
+            item.setTag(StudentWrapper);
+        } else {
+            StudentWrapper = (StudentWrapper) item.getTag();
+        }
+
+        final Student student = students.get(position);
+        StudentWrapper.name.setText(student.getName());
+        StudentWrapper.consumedDrinks.setId(student.getConsumedDrinks());
+        StudentWrapper.img.setImageResource(student.getImage());
+
+
+        final DrinkAdapter.StudentWrapper finalStudentWrapper = StudentWrapper;
+        StudentWrapper.count.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+
+                finalStudentWrapper.consumedDrinks.setText(student.getConsumedDrinks()+"");
+                student.setConsumedDrinks(student.getConsumedDrinks()+1);
+            }
+        });
+
+        return item;
+
+    }
+
+    static class StudentWrapper {
+        TextView name;
+        TextView consumedDrinks;
+        ImageView img;
+        Button count;
+
+    }
+
+}

app/src/main/java/at/ac/perg/htl/bhif16/coffeeapp/MainActivity.java

@@ -1,40 +1,39 @@
 package at.ac.perg.htl.bhif16.coffeeapp;
 
+import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
+import android.database.DataSetObserver;
+import android.graphics.drawable.Drawable;
+import android.media.Image;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
 import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.BaseAdapter;
 import android.widget.Button;
+import android.widget.ImageView;
 import android.widget.ListView;
 import android.widget.SimpleAdapter;
 import android.widget.TextView;
+import android.widget.Toast;
+
+import org.w3c.dom.Text;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 
-public class MainActivity extends AppCompatActivity {
-
-
-    // Array of strings for ListView Title
-    String[] listviewTitle = new String[]{  "Achleitner", "Aichinger", "Bodingbauer",
-                                            "Bogdan","Derntl","Diesenreither",
-                                            "Forthofer","Fröschl","Fürholzer",
-                                            "Grünzweil","Gürler","Hametner",
-                                            "Hemmelmayr","Kargl","Link",
-                                            "Mayrhofer","Moser","Mühlbachler",
-                                            "Nerat","Pilgersdorfer","Rauch",
-                                            "Rauscher","Scheuchenpflug","Wall"};
+public class MainActivity extends Activity {
 
-    int[] listviewImage = new int[]{        R.drawable.achleitner, R.drawable.aichinger, R.drawable.bodingbauer,
-                                            R.drawable.bogdan, R.drawable.derntl, R.drawable.unknown,
-                                            R.drawable.forthofer, R.drawable.froeschl, R.drawable.fuerholzer,
-                                            R.drawable.unknown, R.drawable.unknown, R.drawable.hametner,
-                                            R.drawable.hemmelmayr, R.drawable.kargl, R.drawable.link,
-                                            R.drawable.mayrhofer, R.drawable.moser, R.drawable.muehlbacher,
-                                            R.drawable.unknown, R.drawable.pilgersdorfer, R.drawable.rauch,
-                                            R.drawable.rauscher, R.drawable.scheuchenpflug, R.drawable.wall};
-
-    TextView count_field;
+    ListView listview;
+    DrinkAdapter studentArrayAdapter;
+    ArrayList<Student> studentArray = new ArrayList<Student>();
 
 
     @Override
@@ -42,33 +41,25 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        List<HashMap<String, String>> aList = new ArrayList<HashMap<String, String>>();
-        for (int i = 0; i < listviewTitle.length; i++) {
-            HashMap<String, String> hm = new HashMap<String, String>();
-            hm.put("listview_title", listviewTitle[i]);
-            hm.put("listview_image", Integer.toString(listviewImage[i]));
-            aList.add(hm);
-        }
-
-        String[] from = {"listview_image", "listview_title", "listview_discription"};
-        int[] to = {R.id.listview_image, R.id.listview_item_title};
-
-        SimpleAdapter simpleAdapter = new SimpleAdapter(getBaseContext(), aList, R.layout.listview_activity, from, to);
-        ListView androidListView = (ListView) findViewById(R.id.list_view);
-        androidListView.setAdapter(simpleAdapter);
-
-
-
-
 
 
+        //TODO
+        //add students
+        studentArray.add(new Student("Achleitner",0,R.drawable.achleitner));
+        studentArray.add(new Student("Aichinger",0,R.drawable.aichinger));
+        studentArray.add(new Student("Bodingbauer",0,R.drawable.bodingbauer));
+        studentArray.add(new Student("Bogdan",0,R.drawable.bogdan));
+        studentArray.add(new Student("Derntl",0,R.drawable.derntl));
+        studentArray.add(new Student("Diesenreiter",0,R.drawable.unknown));
+        studentArray.add(new Student("Forthofer",0,R.drawable.forthofer));
 
+        studentArrayAdapter = new DrinkAdapter(MainActivity.this, R.layout.listview_activity, studentArray);
+        listview= (ListView) findViewById(R.id.list_view);
+        listview.setItemsCanFocus(false);
+        listview.setAdapter(studentArrayAdapter);
 
 
 
     }
 
-
-}
-
-
+}

app/src/main/java/at/ac/perg/htl/bhif16/coffeeapp/Student.java

@@ -0,0 +1,37 @@
+package at.ac.perg.htl.bhif16.coffeeapp;
+
+public class Student {
+    private String name;
+    private int img;
+    private int consumedDrinks;
+
+    public Student(String name, int consumedDrinks, int img) {
+
+        this.name = name;
+        this.consumedDrinks = consumedDrinks;
+        this.img = img;
+
+    }
+
+    public int getImage() {
+        return img;
+    }
+
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+
+    public int getConsumedDrinks() {
+        return consumedDrinks;
+    }
+
+    public void setConsumedDrinks(int consumedDrinks) {
+        this.consumedDrinks = consumedDrinks;
+    }
+}

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

@@ -6,8 +6,10 @@
     android:orientation="vertical"
     tools:context=".MainActivity">
 
+
     <ListView
         android:id="@+id/list_view"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content" />
+
 </LinearLayout>

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

@@ -31,13 +31,13 @@
         android:text="+ Getränk"/>
 
     <TextView
+        android:id="@+id/count_field"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:id="@+id/count_field"
         android:gravity="center"
+        android:text="0"
         android:textSize="15sp"
-        android:textStyle="bold"
-        android:text="1"/>
+        android:textStyle="bold" />
 
 
 </LinearLayout>