Android ListView Implementation Example

list_item_navigation.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:paddingTop="@dimen/activity_padding_small"
    android:paddingBottom="@dimen/activity_padding_small">

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="@dimen/activity_horizontal_margin"
        android:layout_marginStart="@dimen/activity_horizontal_margin"
        android:id="@+id/ivIcon"
        android:src="@drawable/example_icon" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="You should put a string here. Hardcoding values is a no-no."
        android:id="@+id/tvTitle"
        android:layout_alignTop="@+id/ivChevronRight"
        android:layout_toRightOf="@+id/ivIcon"
        android:layout_toLeftOf="@+id/ivChevronRight"
        android:layout_toStartOf="@+id/ivChevronRight"
        android:layout_alignBottom="@+id/ivIcon"
        android:gravity="center_vertical" />

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginRight="@dimen/activity_horizontal_margin"
        android:layout_marginEnd="@dimen/activity_horizontal_margin"
        android:id="@+id/ivChevronRight"
        android:src="@drawable/ic_chevron_right_white"
        android:layout_centerVertical="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="You should put a string here. Hardcoding values is a no-no."
        android:id="@+id/tvDescription"
        android:layout_below="@+id/ivIcon"
        android:layout_alignLeft="@+id/ivIcon"
        android:layout_alignStart="@+id/ivIcon"
        android:layout_alignRight="@+id/tvTitle"
        android:layout_alignEnd="@+id/tvTitle"
        android:visibility="gone" />

</RelativeLayout>

NavigationItem.java

public class NavigationItem {

    Drawable mIcon;
    FragmentTransaction mFragmentTransaction;
    String mTitle;

    public NavigationItem(String title, Drawable icon, FragmentTransaction fragmentTransaction) {
        mTitle = title;
        mIcon = icon;
        mFragmentTransaction = fragmentTransaction;
    }

    public Drawable getIcon() {
        return mIcon;
    }

    public String getTitle() {
        return mTitle;
    }

    public FragmentTransaction getFragmentTransaction() {
        return mFragmentTransaction;
    }
}

NavigationListAdapter.java

public class NavigationListAdapter extends ArrayAdapter<NavigationItem> {

    private Context mContext;
    private ArrayList<NavigationItem> mItems;
    private LayoutInflater mLayoutInflater;

    public NavigationListAdapter(Context context, ArrayList<NavigationItem> items) {
        super(context, 0, items);
        mContext = context;
        mItems = items;
        mLayoutInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
        final ViewHolder viewHolder;
        final NavigationItem navigationItems = mItems.get(position);

        if(navigationItems != null) {
            if(convertView == null) {
                convertView = mLayoutInflater.inflate(R.layout.list_item_navigation, null);

                viewHolder = new ViewHolder();

                viewHolder.tvTitle = (TextView)convertView.findViewById(R.id.tvTitle);
                viewHolder.ivIcon = (ImageView)convertView.findViewById(R.id.ivIcon);

                convertView.setTag(viewHolder);
            } else {
                viewHolder = (ViewHolder) convertView.getTag();
            }

            viewHolder.tvTitle.setText(navigationItems.getTitle());
            viewHolder.ivIcon.setImageDrawable(navigationItems.getIcon());
        }

        convertView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(navigationItems.getFragmentTransaction() != null) {
                    navigationItems.getFragmentTransaction().commit();
                } else {
                    Log.d("ExampleListView", "Fragment Is Null");
                }
            }
        });

        return convertView;
    }

    static class ViewHolder {
        TextView tvTitle;
        ImageView ivIcon;
    }
}