/*
* Copyright (C) 2012 jfrankie (http://www.survivingwithandroid.com)
*
* 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.survivingwithandroid.listview.SimpleList;
/**
* @author Surviving with android (jfrankie)
*
*/
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.os.Bundle;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.text.Editable;
import android.text.InputType;
import android.text.TextWatcher;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
// The data to show
List<Planet> planetsList = new ArrayList<Planet>();
PlanetAdapter aAdpt;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initList();
// We get the ListView component from the layout
ListView lv = (ListView) findViewById(R.id.listView);
// This is a simple adapter that accepts as parameter
// Context
// Data list
// The row layout that is used during the row creation
// The keys used to retrieve the data
// The View id used to show the data. The key number and the view id must match
//aAdpt = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, android.R.id.text1, planetsList);
aAdpt = new PlanetAdapter(planetsList, this);
lv.setAdapter(aAdpt);
// React to user clicks on item
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parentAdapter, View view, int position,
long id) {
// We know the View is a <extView so we can cast it
TextView clickedView = (TextView) view;
Toast.makeText(MainActivity.this, "Item with id ["+id+"] - Position ["+position+"] - Planet ["+clickedView.getText()+"]", Toast.LENGTH_SHORT).show();
}
});
// we register for the contextmneu
registerForContextMenu(lv);
// TextFilter
lv.setTextFilterEnabled(true);
EditText editTxt = (EditText) findViewById(R.id.editTxt);
editTxt.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
System.out.println("Text ["+s+"] - Start ["+start+"] - Before ["+before+"] - Count ["+count+"]");
if (count < before) {
// We're deleting char so we need to reset the adapter data
aAdpt.resetData();
}
aAdpt.getFilter().filter(s.toString());
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
}
@Override
public void afterTextChanged(Editable s) {
}
});
}
// We want to create a context Menu when the user long click on an item
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
AdapterContextMenuInfo aInfo = (AdapterContextMenuInfo) menuInfo;
// We know that each row in the adapter is a Map
Planet planet = aAdpt.getItem(aInfo.position);
menu.setHeaderTitle("Options for " + planet.getName());
menu.add(1, 1, 1, "Details");
menu.add(1, 2, 2, "Delete");
}
// This method is called when user selects an Item in the Context menu
@Override
public boolean onContextItemSelected(MenuItem item) {
int itemId = item.getItemId();
AdapterContextMenuInfo aInfo = (AdapterContextMenuInfo) item.getMenuInfo();
planetsList.remove(aInfo.position);
aAdpt.notifyDataSetChanged();
return true;
}
private void initList() {
// We populate the planets
planetsList.add(new Planet("Mercury", 10));
planetsList.add(new Planet("Venus", 20));
planetsList.add(new Planet("Mars", 30));
planetsList.add(new Planet("Jupiter", 40));
planetsList.add(new Planet("Saturn", 50));
planetsList.add(new Planet("Uranus", 60));
planetsList.add(new Planet("Neptune", 70));
}
// Handle user click
public void addPlanet(View view) {
final Dialog d = new Dialog(this);
d.setContentView(R.layout.dialog);
d.setTitle("Add planet");
d.setCancelable(true);
final EditText edit = (EditText) d.findViewById(R.id.editTextPlanet);
Button b = (Button) d.findViewById(R.id.button1);
b.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
String planetName = edit.getText().toString();
MainActivity.this.planetsList.add(new Planet(planetName, 0));
MainActivity.this.aAdpt.notifyDataSetChanged(); // We notify the data model is changed
d.dismiss();
}
});
d.show();
}
}