Java tutorial
/* * Copyright 2016 Maximilian Salomon. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/. */ package de.msal.shoutemo.adapters; import android.content.Context; import android.support.v4.content.ContextCompat; import android.util.TypedValue; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.TextView; import de.msal.shoutemo.R; /** * @since 21.11.14 */ public class NavigationDrawerAdapter extends ArrayAdapter { private final String[] mEntries; private final int[] mDrawables; public NavigationDrawerAdapter(Context context, int resource) { super(context, resource); mEntries = new String[] { context.getString(R.string.menu_chat), context.getString(R.string.menu_users_online), null, context.getString(R.string.menu_prefs) }; mDrawables = new int[] { R.drawable.ic_action_whatshot_white_24dp, R.drawable.ic_action_people_white_24dp, 0, R.drawable.ic_action_settings_white_24dp }; } @Override public int getCount() { return mEntries.length; } @Override public Object getItem(int position) { return mEntries[position]; } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = LayoutInflater.from(getContext()).inflate(R.layout.listrow_navigationdrawer, parent, false); } ImageView ivIcon = (ImageView) convertView.findViewById(R.id.listrow_navigationdrawer__icon); TextView tvText = (TextView) convertView.findViewById(R.id.listrow_navigationdrawer__text); // normal, clickable list entry if (getItem(position) != null) { ivIcon.setImageDrawable(ContextCompat.getDrawable(getContext(), mDrawables[position])); tvText.setText(mEntries[position]); } // separator line else { tvText.setVisibility(View.GONE); ivIcon.setImageDrawable(ContextCompat.getDrawable(getContext(), R.color.autemo_grey_bright)); ViewGroup.LayoutParams layoutParams = ivIcon.getLayoutParams(); layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT; layoutParams.height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, getContext().getResources().getDisplayMetrics()); ivIcon.setLayoutParams(layoutParams); } return convertView; } @Override public boolean isEnabled(int position) { return getItem(position) != null; } }