Java tutorial
/* * Copyright (C) 2014 Antonio Leiva Gordillo. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.antonioleiva.materialeverywhere; import android.os.Bundle; import android.support.v4.widget.DrawerLayout; import android.view.Gravity; 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.BaseAdapter; import android.widget.GridView; import android.widget.ImageView; import android.widget.TextView; import com.squareup.picasso.Picasso; public class HomeActivity extends BaseActivity { private DrawerLayout drawer; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setActionBarIcon(R.drawable.ic_ab_drawer); GridView gridView = (GridView) findViewById(R.id.gridView); gridView.setAdapter(new GridViewAdapter()); gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) { String url = (String) view.getTag(); DetailActivity.launch(HomeActivity.this, view.findViewById(R.id.image), url); } }); drawer = (DrawerLayout) findViewById(R.id.drawer); drawer.setDrawerShadow(R.drawable.drawer_shadow, Gravity.START); } @Override protected int getLayoutResource() { return R.layout.activity_home; } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: drawer.openDrawer(Gravity.START); return true; } return super.onOptionsItemSelected(item); } private static class GridViewAdapter extends BaseAdapter { @Override public int getCount() { return 10; } @Override public Object getItem(int i) { return "Item " + String.valueOf(i + 1); } @Override public long getItemId(int i) { return i; } @Override public View getView(int i, View view, ViewGroup viewGroup) { if (view == null) { view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.grid_item, viewGroup, false); } String imageUrl = "http://lorempixel.com/800/600/sports/" + String.valueOf(i + 1); view.setTag(imageUrl); ImageView image = (ImageView) view.findViewById(R.id.image); Picasso.with(view.getContext()).load(imageUrl).into(image); TextView text = (TextView) view.findViewById(R.id.text); text.setText(getItem(i).toString()); return view; } } }