1 package org.average.whereami;
3 import android.app.Activity;
4 import android.net.wifi.WifiManager;
5 import android.os.Bundle;
6 import android.os.AsyncTask;
7 import android.os.Handler;
8 import android.os.SystemClock;
9 import android.net.ConnectivityManager;
10 import android.net.NetworkInfo;
11 import android.content.BroadcastReceiver;
12 import android.content.Intent;
13 import android.content.IntentFilter;
14 import android.content.Context;
15 import android.content.res.Resources;
16 import android.text.format.Time;
17 import android.util.Log;
18 import android.view.View;
19 import android.view.Window;
20 import android.view.WindowManager;
21 import android.widget.TextView;
23 public class WhereAmI extends Activity
25 private WifiManager wifiman;
26 private Integer runningtasks = 0;
28 private class UpdateTarget {
30 private Integer updater; // will be the function/object
31 private BgUpdate task;
33 private class BgUpdate extends AsyncTask<Void, Void, String> {
35 protected String doInBackground(Void... params) {
36 Log.w("WhereAmI", "BgUpdate " + updater + " starting");
37 SystemClock.sleep(5000); // real job do be done here
38 Log.w("WhereAmI", "BgUpdate about to return");
39 return "5 seconds passed in " + updater;
43 protected void onPostExecute(String str) {
44 Log.w("WhereAmI", "BgUpdate callback executing");
47 if (runningtasks <= 0) {
48 boolean wifion = wifiman.setWifiEnabled(false);
49 Log.w("WhereAmI", "disabling wifi result " + wifion);
52 tvs.setText(R.string.lasttry);
53 tvs.append(tm.format(" %d/%m/%Y %H:%M:%S"));
58 public UpdateTarget(TextView tv, Integer updater) {
60 this.updater = updater;
63 public void launch() {
64 tv.setText(R.string.updating);
65 task = new BgUpdate();
69 public void cancel() {
73 private UpdateTarget[] ut;
75 private TextView tvt, tvd, tvs;
76 private Resources res;
77 private String[] month;
78 private String[] wday;
80 private Handler mHandler = new Handler();
82 private Runnable updateClock = new Runnable () {
84 long now = System.currentTimeMillis();
87 tvt.setText(tm.format("%H:%M"));
90 long next = tm.toMillis(false);
91 mHandler.postDelayed(this, next-now+1);
95 private Runnable updateCal = new Runnable () {
97 long now = System.currentTimeMillis();
105 tm.set(now + 86400000);
109 long next = tm.toMillis(false);
110 mHandler.postDelayed(this, next-now+1);
114 private Runnable updateInfo = new Runnable () {
116 Log.w("WhereAmI", "updateInfo starting");
117 IntentFilter intentFilter =
118 new IntentFilter("android.net.conn.CONNECTIVITY_CHANGE");
119 registerReceiver(connChanged,intentFilter);
120 boolean wifion = wifiman.setWifiEnabled(true);
121 Log.w("WhereAmI", "enabling wifi result " + wifion);
122 mHandler.postDelayed(resetInfo, 30000);
123 mHandler.postDelayed(this, 60000);
127 private Runnable resetInfo = new Runnable () {
129 Log.w("WhereAmI", "resetInfo starting");
130 unregisterReceiver(connChanged);
131 if (runningtasks > 0) {
132 for (int i = 0; i < ut.length; i++) {
135 Time tm = new Time();
137 tvs.setText(R.string.failtry);
138 tvs.append(tm.format(" %d/%m/%Y %H:%M:%S"));
140 boolean wifion = wifiman.setWifiEnabled(false);
141 Log.w("WhereAmI", "disabling wifi result " + wifion);
145 private final BroadcastReceiver connChanged = new BroadcastReceiver() {
147 public void onReceive(Context context, Intent intent) {
148 ConnectivityManager cm = (ConnectivityManager)context.
149 getSystemService(Context.CONNECTIVITY_SERVICE);
150 NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
151 boolean isConnected = activeNetwork != null &&
152 activeNetwork.isConnectedOrConnecting();
153 Log.w("WhereAmI", "Connectivity changed to " + isConnected);
155 for (int i = 0; i < ut.length; i++) {
163 /** Called when the activity is first created. */
165 public void onCreate(Bundle savedInstanceState)
167 super.onCreate(savedInstanceState);
168 wifiman = (WifiManager)getSystemService(Context.WIFI_SERVICE);
169 requestWindowFeature(Window.FEATURE_NO_TITLE);
170 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
171 //getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
172 //getWindow().clearFlags(WindowManager.LayoutParams.
173 // FLAG_FORCE_NOT_FULLSCREEN);
174 setContentView(R.layout.main);
175 res = getResources();
176 month = res.getStringArray(R.array.month);
177 wday = res.getStringArray(R.array.wday);
178 tvt = (TextView)findViewById(R.id.time);
179 tvd = (TextView)findViewById(R.id.date);
180 tvs = (TextView)findViewById(R.id.timestamp);
181 ut = new UpdateTarget[] {
182 new UpdateTarget((TextView)findViewById(R.id.location), 1),
183 new UpdateTarget((TextView)findViewById(R.id.phonecall), 2)
185 Log.w("WhereAmI", "created UI, about to start update task");
186 mHandler.post(updateClock);
187 mHandler.post(updateCal);
188 mHandler.post(updateInfo);
189 Log.w("WhereAmI", "created UI, update task created");
192 /** Called when put to background */
194 public void onPause()
197 Log.w("WhereAmI", "calling finish");
201 /** Called when the activity is destroyed. */
203 public void onDestroy()
206 Log.w("WhereAmI", "going down");
207 mHandler.removeCallbacks(updateClock);
208 mHandler.removeCallbacks(updateCal);
209 mHandler.removeCallbacks(updateInfo);
210 //unregisterReceiver(connChanged);
211 boolean wifion = wifiman.setWifiEnabled(false);
212 Log.w("WhereAmI", "disabling wifi result " + wifion);