Développement sous Android

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="andro.jf"
        android:versionCode="1"
        android:versionName="1.0">
    <application android:icon="@drawable/icon"
                 android:label="@string/app_name">
      <activity android:name=".Main"
                android:label="@string/app_name">
        <intent-filter>
          <action android:name="android.intent.action.MAIN" />
          <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
      </activity>
      <service>...</service>
      <receiver>...</receiver>
<provider>...</provider>
    </application>
</manifest>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello Hello JFL !</string>
    <string name="app_name">AndroJF</string>
</resources>

Resources res = getResources();
String hw = res.getString(R.string.hello);

MyProject/
  res/
    values/
      strings.xml
    values-es/
      strings.xml
    values-fr/
      strings.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="test">
    <item>it1</item>
    <item>it2</item>
</string-array>
</resources>

protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    Toast.makeText(this, "Sauvegarde !", Toast.LENGTH_LONG).show();
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:gravity="center"
  android:id="@+id/accueilid"
>
</LinearLayout>

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.acceuil);
}

LinearLayout l = (LinearLayout)findViewById(R.id.accueilid);
l.setBackgroundColor(Color.BLACK);

<TextView
  android:id="@+id/le_texte"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="@string/hello"
  android:layout_gravity="center"
  />

public class Activity2 extends Activity {
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        LinearLayout gabarit = new LinearLayout(this);
        gabarit.setGravity(Gravity.CENTER); // centrer les éléments graphiques
        gabarit.setOrientation(LinearLayout.VERTICAL); // empiler vers le bas !
        TextView texte = new TextView(this);
        texte.setText("Programming creation of interface !");
        gabarit.addView(texte);
        setContentView(gabarit);
} }

<EditText android:text=""
          android:id="@+id/EditText01"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content">
</EditText>

EditText edit = new EditText(this);
edit.setText("Edit me");
gabarit.addView(edit);
edit.addTextChangedListener(new TextWatcher() {
    @Override
    public void onTextChanged(CharSequence s, int start,
                               int before, int count) {
        // do something here
    }
);

<ImageView
  android:id="@+id/logoEnsi"
  android:src="@drawable/ensi"
  android:layout_width="100px"
  android:layout_height="wrap_content"
  android:layout_gravity="center_horizontal"
  ></ImageView>

ImageView image = new ImageView(this);
image.setImageResource(R.drawable.ensi);
gabarit.addView(image);

<Button android:text="Go !"
        android:id="@+id/Button01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">
</Button>

Button b = (Button)findViewById(R.id.Button01);
b.setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View v) {
        Toast.makeText(v.getContext(), "Stop !", Toast.LENGTH_LONG).show();
    }
    });
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_height="fill_parent" android:orientation="horizontal"
    android:layout_width="fill_parent"
    android:gravity="center">
    <TextView ...></TextView>
    <LinearLayout android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:gravity="right"
        android:layout_gravity="center">
    <Image .../>
</LinearLayout></LinearLayout>

ArrayAdapter (Context context, int resource, int textViewResourceId)

ListView list = (ListView)findViewById(R.id.maliste);
ArrayAdapter<String> tableau = new ArrayAdapter<String>(
                  list.getContext(), R.layout.ligne, R.id.monTexte);
for (int i=0; i<40; i++) {
    tableau.add("coucou " + i);
}
list.setAdapter(tableau);

<LinearLayout ...>
    <TextView ... android:id="@+id/monTexte"/>
    <LinearLayout> <ImageView /> </LinearLayout>
</LinearLayout>

public class AndroTabs2Activity extends TabActivity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        ...

public class ActivityOnglet1 extends Activity {
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.onglet1);
}}

<LinearLayout ...> <!-- onglet1.xml -->
    <RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content"
             android:layout_height="wrap_content"></RatingBar>
    <SeekBar android:layout_height="wrap_content" android:id="@+id/seekBar1"
             android:layout_width="fill_parent"></SeekBar>
</LinearLayout>

TabHost tabHost = getTabHost();
TabHost.TabSpec spec;
Intent intent;
// Création de l'intent lancant l'activité de l'onglet
intent = new Intent().setClass(this, ActivityOnglet1.class);
// Création dynamique d'une configuration pour l'onglet 1
spec = tabHost.newTabSpec("Onglet 1");
spec.setContent(intent); // Associer l'intent à l'onglet
spec.setIndicator("Onglet 1"); // Ajouter un texte dans l'onglet
tabHost.addTab(spec); // Ajout de l'onglet
...
// Choisir l'onglet par défaut
tabHost.setCurrentTab(0);

<activity android:name="ActivityOnglet1"></activity>
<activity android:name="ActivityOnglet2"></activity>

public void onCreate(Bundle savedInstanceState) {
    Intent login = new Intent(getApplicationContext(), GivePhoneNumber.class);
    startActivityForResult(login,48);
... }

protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
    if (requestCode == 48)
        Toast.makeText(this, "Code de requête récupéré (je sais d'où je viens)",
                       Toast.LENGTH_LONG).show();
}

Button finish = (Button)findViewById(R.id.finish);
finish.setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View v) {
        setResult(50);
        finish();
}});

protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
    if (requestCode == 48)
        Toast.makeText(this, "Code de requête récupéré (je sais d'où je viens)",
                       Toast.LENGTH_LONG).show();
    if (resultCode == 50)
        Toast.makeText(this, "Code de retour ok (on m'a renvoyé le bon code)",
                       Toast.LENGTH_LONG).show();
}

<activity android:name=".Main" android:label="@string/app_name">
  <intent-filter>
    <action android:name="andro.jf.nom_du_message" />
    <category android:name="android.intent.category.DEFAULT" />
  </intent-filter>
</activity>

Button autoinvoc = (Button)findViewById(R.id.autoinvoc);
autoinvoc.setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View v) {
        Intent intent = new Intent("andro.jf.nom_du_message");
        startActivity(intent);
}});

<intent-filter>
  <action android:name="android.intent.action.VIEW" />
  <category android:name="android.intent.category.DEFAULT" />
  <category android:name="android.intent.category.BROWSABLE" />
  <data android:scheme="foo" android:host="ensi-bourges.fr"/>
</intent-filter>

<a href="foo://ensi-bourges.fr/mapage">lien</a>

<application android:icon="@drawable/icon" android:label="@string/app_name">
  <receiver android:name="MyBroadcastReceiver">
    <intent-filter>
            <action android:name="andro.jf.broadcast" />
            <category android:name="android.intent.category.DEFAULT" />
    </intent-filter>
  </receiver>
</application>

public final class MyBroadcastReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        Bundle extra = intent.getExtras();
        if (extra != null)
        {
            String val = extra.getString("extra");
            Toast.makeText(context, "Broadcast message received: " + val,
                           Toast.LENGTH_SHORT).show();
}}}

private MyBroadcastReceiverDyn myreceiver;
public void onCreate(Bundle savedInstanceState) {
    // Broadcast receiver dynamique
    myreceiver = new MyBroadcastReceiverDyn();
    IntentFilter filtre = new IntentFilter("andro.jf.broadcast");
    registerReceiver(myreceiver, filtre);
}

unregisterReceiver(myreceiver);

<PreferenceScreen
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:key="first_preferencescreen">
  <CheckBoxPreference
        android:key="wifi enabled"
        android:title="WiFi" />
  <PreferenceScreen
        android:key="second_preferencescreen"
        android:title="WiFi settings">
    <CheckBoxPreference
          android:key="prefer wifi"
          android:title="Prefer WiFi" />
    ... other preferences here ...
  </PreferenceScreen>
</PreferenceScreen>

public class MyPrefs extends PreferenceActivity {
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.preferences);
}}

SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
String login = prefs.getString("login","");

<CheckBoxPreference android:key="wifi" ... />
<EditTextPreference android:dependency="wifi" ... />

<CheckBoxPreference android:key="wifi"
  android:title="Utiliser le wifi"
  android:summary="Synchronise l'application via le wifi."
  android:summaryOn="L'application se synchronise via le wifi."
  android:summaryOff="L'application ne se synchronise pas."
/>

<EditTextPreference android:key="login&"
  android:title="Login utilisateur"
  android:summary="Renseigner son login d'authentification."
  android:dialogTitle="Veuillez saisir votre login"
/>

<resources>
 
    <array name="key"> <!-- Petite=1, Moyenne=5, Grande=20 -->
        <item>"Petite"</item>
        <item>"Moyenne"</item>
        <item>"Grande"</item>
    </array>
    <array name="value">
        <item>"1"</item>
        <item>"5"</item>
        <item>"20"</item>
    </array>
</resources>

<ListPreference android:title="Vitesse"
  android:key="vitesse"
  android:entries="@array/key"
  android:entryValues="@array/value"
  android:dialogTitle="Choisir la vitesse:"
  android:persistent="true">
</ListPreference>

SharedPreferences prefs = getPreferences(Context.MODE_PRIVATE);
Editor editor = prefs.edit();
editor.putString("login", "jf");
editor.commit();

prefs.registerOnSharedPreferenceChangeListener(
    new OnSharedPreferenceChanged () {
    ...
});

public Cursor query (boolean distinct, String table, String[] columns,
                     String selection, String[] selectionArgs, String groupBy,
                     String having, String orderBy, String limit)

URI u = new URI("https://www.site.com/api/xml/list?apikey=845ef");
DefaultHttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet(u);
HttpResponse response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
InputStream stream = entity.getContent();
InputSource source = new InputSource(stream);
SAXParserFactory spf = SAXParserFactory.newInstance();
SAXParser sp = spf.newSAXParser();
XMLReader xr = sp.getXMLReader();
DefaultHandler handler = new DefaultHandler() {
    @Override
    public void startElement(String uri, String localName,
                String qName, Attributes attributes) throws SAXException {
        Vector monitors = new Vector();
        if (localName.equals("monitor")) {
            monitors.add(attributes.getValue("displayname"));
    }}
};
xr.setContentHandler(handler);
xr.parse(source);

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
try {
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document dom = builder.parse(source);
    Element root = dom.getDocumentElement();
    // Récupère tous les tags du descendant de la racine s'appelant monitor
    NodeList items = root.getElementsByTagName("monitor");
    for (int i=0;i<items.getLength();i++){
        Node item = items.item(i);
        // Traitement:
        // item.getNodeName()
        // item.getTextContent()
        // item.getAttributes()
        ...
    }
} catch (...)

public void onClick(View v) {
    new Thread(new Runnable() {
        public void run() {
            final Bitmap bitmap = loadImageFromNetwork("http://example.com/image.png");
            mImageView.post(new Runnable() {
                public void run() {
                    mImageView.setImageBitmap(bitmap);
                }
            });
        }
    }).start();
}

startService(new Intent(this, AndroService.class));
stopService(new Intent(this, AndroService.class));
startService(new Intent("andro.jf.manageServiceAction"));

Button b = (Button) findViewById(R.id.button1);
b.setOnClickListener(new OnClickListener() {
    public void onClick(View v) {
        Intent startService = new Intent("andro.jf.manageServiceAction");
        startService(startService);
    }
});

<application android:icon="@drawable/icon" android:label="@string/app_name">
  <service android:name=".AndroService"></service>
  <receiver android:name=".AutoStart">
    <intent-filter>
      <action android:name="android.intent.action.BOOT_COMPLETED" />
    </intent-filter>
  </receiver>
</application>

public class AutoStart extends BroadcastReceiver {
    public void onReceive(Context context, Intent intent) {
        Intent startServiceIntent = new Intent(context, AndroService.class);
        context.startService(startServiceIntent);
    }
}

boolean blop = true;
while (blop == true)
    ;

<service android:name=".AndroService" android:process=":p2">

final Handler handler = new Handler();
task = new TimerTask() {
    public void run() {
        handler.post(new Runnable() {
            public void run() {
                Toast.makeText(AndroService.this, "plop !", Toast.LENGTH_SHORT).show();
        } });
}};
timer.schedule(task, 0, 5000);

public void onDestroy() { // Destruction du service
    timer.cancel(); }

public class BitmapDownloaderTask extends AsyncTask<String, Void, Bitmap> {
    private final WeakReference<ImageView> imageViewReference;
    private final WeakReference<TextView> textViewReference;
    public BitmapDownloaderTask(ImageView imageView, TextView textView) {
        imageViewReference = new WeakReference<ImageView>(imageView);
        textViewReference = new WeakReference<TextView>(textView);
}

    protected void onPreExecute() {
        if (imageViewReference != null) {
            ImageView imageView = imageViewReference.get();
        if (imageView != null) {
            imageView.setImageResource(R.drawable.interro);
}}}

protected Bitmap doInBackground(String... params) {
    String URL = params[0];
    publishProgress(new Integer(0));
    AndroidHttpClient client = AndroidHttpClient.newInstance("Android");
    HttpGet getRequest = new HttpGet(url);
    HttpResponse response = client.execute(getRequest);
    publishProgress(new Integer(1));
... }

protected void onProgressUpdate(Integer... values) {
    Integer step = values[0];
    if (textViewReference != null) {
        textViewReference.get().setText("Step: " + step.toString());
}}

protected void onPostExecute(Bitmap bitmap) {
    if (imageViewReference != null) {
        ImageView imageView = imageViewReference.get();
    if (imageView != null) {
        imageView.setImageBitmap(bitmap);
}}}

private final IBinder ib = new MonServiceBinder();
public IBinder onBind(Intent intent) {
    return ib;
}

private int infoOfService = 0; // La donnée à transmettre à l'activité
private class MonServiceBinder extends Binder implements AndroServiceInterface {
    // Cette classe qui hérite de Binder implémente une méthode
    // définie dans l'interface AndroServiceInterface
    public int getInfo() {
        return infoOfService;
}}

public interface AndroServiceInterface {
    public int getInfo();
}

private int infoFromService = 0;
private ServiceConnection maConnexion = new ServiceConnection() {
    public void onServiceConnected(ComponentName name, IBinder service) {
        AndroServiceInterface myBinder = (AndroServiceInterface)service;
        infoFromService = myBinder.getInfo();
    }
    public void onServiceDisconnected(ComponentName name) { }
};

Intent intentAssociation =
  new Intent(AndroServiceBindActivity.this, AndroService.class);
bindService(intentAssociation, maConnexion, Context.BIND_AUTO_CREATE);
Toast.makeText(getApplicationContext(), "Info lue dans le service: "
                    + infoFromService, Toast.LENGTH_SHORT).show();
unbindService(maConnexion);

package andro.jf;
interface AndroServiceInterface {
    int getInfo();
}

// This file is auto-generated. DO NOT MODIFY.
package andro.jf;
public interface AndroServiceInterface extends android.os.IInterface {
    public static abstract class Stub extends android.os.Binder
                                      implements andro.jf.AndroServiceInterface {
        private static final java.lang.String DESCRIPTOR = "andro.jf.AndroServiceInterface";
...

private int infoOfService = 0; // La donnée à transmettre à l'activité
private AndroServiceInterface.Stub ib = new AndroServiceInterface.Stub() {
    @Override
    public int getInfo() throws RemoteException {
        return infoOfService;
    }
};
public IBinder onBind(Intent arg0) {
    return ib; }

private ServiceConnection maConnexion = new ServiceConnection() {
    public void onServiceConnected(ComponentName name, IBinder service) {
        AndroServiceInterface myBinder = AndroServiceInterface.Stub.asInterface(service);
        try { // stockage de l'information provevant du service
            infoFromService = myBinder.getInfo();
        }

Uri telnumber = Uri.parse("tel:0248484000");
Intent call = new Intent(Intent.ACTION_CALL, telnumber);
startActivity(call);

Uri telnumber = Uri.parse("tel:0248484000");
Intent call = new Intent(Intent.ACTION_DIAL, telnumber);
startActivity(call);

<receiver android:name=".ClasseGerantLAppel">
  <intent-filter>
    <action android:name="Intent.ACTION_CALL"/>
  </intent-filter>
</receiver>

SmsManager manager = SmsManager.getDeault();
manager.sendTextMessage("02484840000", null, "Coucou !", null, null);

<receiver android:name=".SMSBroadcastReceiver">
  <intent-filter>
    <action android:name="android.provider.Telephony.SMS_RECEIVED"/>
  </intent-filter>
</receiver>

public final class MyBroadcastReceiver extends BroadcastReceiver {
    public void onReceive(Context context, Intent intent) {
        if (intent.getAction().equals(android.provider.Telephony.SMS_RECEIVED)) {
        String val = extra.getString("extra");
        Object[] pdus = (Object[]) intent.getExtras().get("pdus");
        SmsMessage[] messages = new SmsMessage[pdus.length];
        for (int i=0; i < pdus.length; i++)
            messages[i] = SmsMessage.createFromPdu((byte[]) pdus[i]);
}}}

manager.setNetworkPreference(ConnectivityManager.TYPE_WIFI);

WifiManager wifi = (WifiManager)getSystemService(Context.WIFI_SERVICE);
if (!wifi.isWifiEnabled())
    wifi.setWifiEnabled(true);

Intent discoveryMode = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
discoveryMode.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 60);
startActivity(discoveryMode);

public final class BluetoothBroadcastReceiver extends BroadcastReceiver {
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        BluetoothDevice appareil = null;
        if (action.equals(BluetoothDevice.ACTION_FOUND))
            appareil = (BluetoothDevice)intent.getParcelableExtra(
                        BluetoothDevice.EXTRA_DEVICE);
    }
}

Set<BluetoothDevice> s = bluetooth.getBondedDevices();
for (BluetoothDevice ap : s)
    Toast.makeText(getApplicationContext(), "" + ap.getName(), Toast.LENGTH_LONG).show();

Location localisation = manager.getLastKnownLocation("gps");
Toast.makeText(getApplicationContext(), "Lattitude" + localisation.getLatitude(),
              Toast.LENGTH_SHORT).show();
Toast.makeText(getApplicationContext(), "Longitude" + localisation.getLongitude(),
              Toast.LENGTH_SHORT).show();

manager.requestLocationUpdates("gps", 6000, 100, new LocationListener() {
    public void onStatusChanged(String provider, int status, Bundle extras) {
    }
    public void onProviderEnabled(String provider) {
    }
    public void onProviderDisabled(String provider) {
    }
    public void onLocationChanged(Location location) {
        // TODO Auto-generated method stub
    }
});

addProximityAlert(double latitude, double longitude, float radius, long expiration, PendingIntent intent)

IntentFilter filtre = new IntentFilter(PROXIMITY_ALERT);
registerReceiver(new MyProximityAlertReceiver(), filtre);

public class MyProximityAlertReceiver extends BroadcastReiceiver {
    public void onReceive(Context context, Intent intent) {
        String key = LocationManager.KEY_PROXIMITY_ENTERING;
        Boolean entering = intent.getBooleanExtra(key, false);
}}

<uses-library android:name="com.google.android.maps"/>

<com.google.android.maps.MapView
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/mapview"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:clickable="true"
  android:apiKey="Your Maps API Key goes here"
/>

public class HelloGoogleMaps extends MapActivity {
    @Override
    protected boolean isRouteDisplayed() {
        return false;
    }
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        MapView mapView = (MapView) findViewById(R.id.mapview);
        mapView.setBuiltInZoomControls(true);
    }
}

List<Overlay> mapOverlays = mapView.getOverlays();

Drawable drawable = this.getResources().getDrawable(R.drawable.androidmarker);
HelloItemizedOverlay itemizedoverlay = new HelloItemizedOverlay(drawable, this);
GeoPoint point = new GeoPoint(19240000,-99120000);
OverlayItem overlayitem = new OverlayItem(point, "Hola, Mundo!", "I'm in Mexico!");

itemizedoverlay.addOverlay(overlayitem);
mapOverlays.add(itemizedoverlay);

public class HelloItemizedOverlay extends ItemizedOverlay<OverlayItem> {
    private ArrayList<OverlayItem> mOverlays = new ArrayList<OverlayItem>();
    private Context mContext;
    public HelloItemizedOverlay(Drawable defaultMarker, Context context) {
        super(boundCenterBottom(defaultMarker));
        mContext = context;
    }
    public void addOverlay(OverlayItem overlay) {
        mOverlays.add(overlay);
        // will read each of the OverlayItem objects and prepare them to be drawn:
        populate();
    }
    protected OverlayItem createItem(int i) {
        return mOverlays.get(i);
    }
    public int size() { return mOverlays.size(); }
    protected boolean onTap(int index) {
        OverlayItem item = mOverlays.get(index);
        AlertDialog.Builder dialog = new AlertDialog.Builder(mContext);
        dialog.setTitle(item.getTitle());
        dialog.setMessage(item.getSnippet());
        dialog.show();
        return true;
}}

Geocoder geocoder = new Geocoder(context, Locale.getDefault());
List<Address> addresses = geocoder.getFromLocation(loc.getLatitude(),
loc.getLongitude(), 1);
String addressText = String.format("%s, %s, %s",
  address.getMaxAddressLineIndex() > 0 ? address.getAddressLine(0) : "",
  address.getLocality(),
  address.getCountryName());

<uses-feature android:name="android.hardware.sensor.accelerometer"></uses-feature>

<uses-feature android:name="xxx" android:required="true"></uses-feature>

./aapt dump badging ~/workspace/AndroSensors2/bin/AndroSensors2.apk
package: name='jf.andro.as' versionCode='1' versionName='1.0'
sdkVersion:'8'
targetSdkVersion:'14'
uses-feature:'android.hardware.sensor.acceleromedter'

if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER)
{
    float x,y,z;
    x = event.values[0];
    y = event.values[1];
    z = event.values[2];
}

    float azimuth, pitch, roll;
    azimuth = event.values[0];
    pitch = event.values[1];
    roll = event.values[2];
}

    float lumiere;
    lumiere = event.values[0];

private class MyWebViewClient extends WebViewClient {
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
        view.loadUrl(URL);
        Toast.makeText(getApplicationContext(), "A link has been clicked! ",
                       Toast.LENGTH_SHORT).show();
        return true;
}}

wv.setWebViewClient(new MyWebViewClient());
Button back = (Button)findViewById(R.id.back);
back.setOnClickListener(new OnClickListener() {
    public void onClick(View v) {
        wv.goBack();
    }
});

<!DOCTYPE html>
<html>
  <head>
    <title>My Page</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.css" />
    <script src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
    <script src="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.js"></script>
  </head>
  <body>
    <div data-role="page">
      <div data-role="header">
        <h1>Jquery example</h1>
      </div>
      <div data-role="content">
        <p>Hello world !</p>
      </div><!-- /content -->
</div> </body> </html>

<ul data-role="listview" data-inset="true" data-filter="true">
  <li><a href="http://jean-francois-lalande.developpez.com/">Home</a></li>
  <li><a href="publications.html">Publications</a></li>
  <li><a href="teaching.html">Enseignement</a></li>
  <li><a data-role="button" data-icon="star" data-theme="b"
         href="jquerymobiletest2.html">page 2</a></li>
</ul>

HttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet(url);
HttpResponse response;
try {
    response = httpclient.execute(httpget);
    // Examine the response status
    Log.i("Praeda",response.getStatusLine().toString());
    // Get hold of the response entity
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        // A Simple JSON Response Read
    InputStream instream = entity.getContent();
    String result= convertStreamToString(instream);
    Log.i("Praeda",result);
    // A Simple JSONObject Creation
    JSONObject json=new JSONObject(result);
    Log.i("Praeda","<jsonobject>\n"+json.toString()+"\n</jsonobject>");
    // A Simple JSONObject Parsing
    JSONArray nameArray=json.names();
    JSONArray valArray=json.toJSONArray(nameArray);
    for(int i=0;i<valArray.length();i++)
    {
        Log.i("Praeda","<jsonname"+i+">\n"+nameArray.getString(i)+"\n</jsonname"+i+">\n"
          +"<jsonvalue"+i+">\n"+valArray.getString(i)+"\n</jsonvalue"+i+">");
    }

public class SimpleServlet extends HttpServlet {
    public void init(ServletConfig c) throws ServletException {
        // init
    }
    public void doGet(HttpServletRequest req, HttpServletResponse res)
      throws ServletException, IOException {
        Vector myVector = new Vector();
        String param = req.getParameter("param");
        PrintWriter out = response.getWriter();
        // traitements
    }
    public void destroy() { }
    public String getServletInfo() { }
}

<title>
  <!-- get a value that has been set by the servlet -->
  <%= request.getAttribute("title") %>
</title>
<jspx:foreach collection="<%= myVector %>">
  <jspx:item ref="myItem" type="java.lang.Integer">
    <element> <%= myItem %> </element>
  </jspx:item>
</jspx:foreach>

package andro.jf.jni;
public class NativeCodeInterface {
    public static native int calcul1(int x, int y);
    public static int add(int x, int y)
    {
        int somme;
        somme = calcul1(x,y);
        return somme;
    }
    static {
        System.loadLibrary("testmodule");
    }
}

TextView text = (TextView)findViewById(R.id.texte);
text.setText("5+7 = " + NativeCodeInterface.add(5, 7));

javac javac -d ./jni ./src/andro/jf/jni/NativeCodeInterface.java
cd ./jni
javah -jni andro.jf.jni.NativeCodeInterface

// Header for class andro_jf_jni_NativeCodeInterface
#ifndef _Included_andro_jf_jni_NativeCodeInterface
#define _Included_andro_jf_jni_NativeCodeInterface
#ifdef __cplusplus
  extern "C" {
#endif
JNIEXPORT jint JNICALL Java_andro_jf_jni_NativeCodeInterface_calcul1
(JNIEnv *, jclass, jint, jint);
#ifdef __cplusplus
  }
#endif
#endif

#include "andro_jf_jni_NativeCodeInterface.h"
JNIEXPORT jint JNICALL Java_andro_jf_jni_NativeCodeInterface_calcul1
        (JNIEnv * je, jclass jc, jint a, jint b) {
    return a+b;
}

LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := testmodule
LOCAL_CFLAGS := -Werror
LOCAL_SRC_FILES := test.c
LOCAL_LDLIBS := -llog
include $(BUILD_SHARED_LIBRARY)

/usr/local/android-ndk-r8b/ndk-build
Compile thumb : testmodule <= test.c
SharedLibrary : libtestmodule.so
Install : libtestmodule.so => libs/armeabi/libtestmodule.so

emulator -avd <avd_name> [-<option> [<value>]]

./adb logcat
 
I/System.out( 483): debugger has settled (1441)
 
W/System.err( 483): java.io.FileNotFoundException: /test.xml
 
                    (No such file or directory)
 
...
 
W/System.err( 483): at andro.jfl.AndroJFLActivity.onCreate(
 
                    Andro7x24Activity.java:38)

Log.w("myApp", "Mon message à logguer");

./adb devices
 
List of devices attached
 
363234B--------- device

// SensorManager manager = (SensorManager)getSystemService(SENSOR_SERVICE);
SensorManagerSimulator manager =
  SensorManagerSimulator.getSystemService(this, SENSOR_SERVICE);
manager.connectSimulator();

public class Main extends Activity {
    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        Toast.makeText(this, "SAUVEGARDE", Toast.LENGTH_LONG).show();
    }
    public void onCreate(Bundle savedInstanceState) {
        setContentView(R.layout.acceuil);
        super.onCreate(savedInstanceState);
        TextView texte = (TextView)findViewById(R.id.le_texte);
        texte.setText("Here we go !");
        Button b = (Button)findViewById(R.id.Button01);
        b.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(v.getContext(), "Stop !", Toast.LENGTH_LONG).show();
            }
        });
        // Changing layout
        LinearLayout l = (LinearLayout)findViewById(R.id.accueilid);
        l.setBackgroundColor(Color.GRAY);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:orientation="vertical" android:layout_width="fill_parent"
      android:layout_height="fill_parent" android:gravity="center"
      android:id="@+id/accueilid">
    <TextView android:id="@+id/le_texte" android:layout_width="wrap_content"
           android:layout_height="wrap_content" android:text="@string/hello"
          android:layout_gravity="center" />
    <EditText android:text="" android:id="@+id/EditText01"
          android:layout_width="fill_parent" android:layout_height="wrap_content"></EditText>
    <EditText android:text="" android:layout_width="fill_parent"
          android:layout_height="wrap_content"></EditText>
    <ImageView android:id="@+id/logoEnsi" android:src="@drawable/ensi"
          android:layout_width="100px" android:layout_height="wrap_content"
          android:layout_gravity="center_horizontal"></ImageView>
    <Button android:text="Go !" android:id="@+id/Button01"
          android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
</LinearLayout>

public class Activity2 extends Activity {
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        LinearLayout gabarit = new LinearLayout(this);
        gabarit.setOrientation(LinearLayout.VERTICAL);
        gabarit.setGravity(Gravity.CENTER);
        // Label
        TextView texte = new TextView(this);
        texte.setText("Programming creation of interface !");
        gabarit.addView(texte);
        // Zone de texte
        EditText edit = new EditText(this);
        edit.setText("Edit me");
        gabarit.addView(edit);
        // Image
        ImageView image = new ImageView(this);
        image.setImageResource(R.drawable.ensi);
        gabarit.addView(image);
        setContentView(gabarit);
    }
}

public class AndroListsSimpleActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        ListView list = (ListView)findViewById(R.id.maliste);
        ArrayAdapter<String> tableau = new ArrayAdapter<String>(
                    list.getContext(), R.layout.montexte);
        for (int i=0; i<40; i++) {
            tableau.add("coucou " + i);
        }
        list.setAdapter(tableau);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
  <ListView android:layout_height="fill_parent" android:id="@+id/maliste"
      android:layout_width="fill_parent"></ListView>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
  <TextView android:text="TextView" android:id="@+id/montexte"
      android:layout_width="wrap_content" android:layout_height="wrap_content"
      xmlns:android="http://schemas.android.com/apk/res/android"></TextView>

public class AndroListsActivity extends Activity {
/    ** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        ListView list = (ListView)findViewById(R.id.maliste);
        ArrayAdapter<String> tableau = new ArrayAdapter<String>(
                    list.getContext(), R.layout.ligne, R.id.monTexte);
        for (int i=0; i<40; i++) {
            tableau.add("coucou " + i);
        }
        list.setAdapter(tableau);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
  <ListView android:layout_height="fill_parent" android:id="@+id/maliste"
      android:layout_width="fill_parent"></ListView>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_height="fill_parent" android:orientation="horizontal"
    android:layout_width="fill_parent" android:baselineAligned="true"
    android:gravity="center">
  <TextView android:layout_height="wrap_content" android:id="@+id/monTexte"
      android:text="TextView"
      android:textAppearance="?android:attr/textAppearanceLarge"
       android:layout_width="wrap_content"></TextView>
  <LinearLayout android:layout_height="wrap_content"
      android:orientation="horizontal" android:layout_width="fill_parent"
      android:gravity="right" android:layout_gravity="center">
    <ImageView android:id="@+id/monImage" android:layout_height="wrap_content"
        android:layout_width="wrap_content"
        android:src="@android:drawable/ic_menu_compass"></ImageView>
  </LinearLayout>
</LinearLayout>

public class AndroTabs2Activity extends TabActivity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        TabHost tabHost = getTabHost();
        TabHost.TabSpec spec;
        Intent intent;
        // Création de l'intent lancant l'activité de l'onglet
        intent = new Intent().setClass(this, ActivityOnglet1.class);
        // Création dynamique d'une configuration pour l'onglet 1
        spec = tabHost.newTabSpec("Onglet 1");
        spec.setContent(intent);
        spec.setIndicator("Onglet 1");
        tabHost.addTab(spec);
        intent = new Intent().setClass(this, ActivityOnglet2.class);
        spec = tabHost.newTabSpec("Onglet 2");
        spec.setContent(intent);
        spec.setIndicator("Onglet 2");
        tabHost.addTab(spec);
        // Choisir l'onglet par défaut
        tabHost.setCurrentTab(0);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/tabhost" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
  <LinearLayout android:id="@+id/linearLayout1"
      android:layout_width="fill_parent" android:layout_height="fill_parent"
      android:orientation="vertical">
    <TabWidget android:layout_width="fill_parent"
        android:layout_height="wrap_content" android:id="@android:id/tabs">
    </TabWidget>
    <FrameLayout android:layout_width="fill_parent"
        android:layout_height="fill_parent" android:id="@android:id/tabcontent">
    </FrameLayout>
  </LinearLayout>
</TabHost>

public class ActivityOnglet1 extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.onglet1);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
  <RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content"
      android:layout_height="wrap_content"></RatingBar>
  <SeekBar android:layout_height="wrap_content" android:id="@+id/seekBar1"
      android:layout_width="fill_parent"></SeekBar>
  <TextView android:text="TextView" android:id="@+id/textView1"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView>
</LinearLayout>

public class ActivityOnglet2 extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.onglet2);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
  <ProgressBar android:layout_height="wrap_content"
      style="?android:attr/progressBarStyleLarge" android:layout_width="wrap_content"
      android:id="@+id/progressBar1"></ProgressBar>
  <QuickContactBadge android:id="@+id/quickContactBadge1"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></QuickContactBadge>
  <TextView android:textAppearance="?android:attr/textAppearanceMedium"
      android:text="TextView" android:layout_height="wrap_content"
      android:layout_width="wrap_content" android:id="@+id/textView1"></TextView>
</LinearLayout>

public class Main extends Activity {
    private MyBroadcastReceiverDyn myreceiver;
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button call = (Button)findViewById(R.id.call);
        call.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent login = new Intent(getApplicationContext(),
                        GivePhoneNumber.class);
                startActivity(login);
        }});
        Button info = (Button)findViewById(R.id.info);
        info.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
            Intent login = new Intent(getApplicationContext(),
                        GivePhoneNumber.class);
                startActivityForResult(login,48);
        }});
        // Broadcast receiver dynamique
        myreceiver = new MyBroadcastReceiverDyn();
        IntentFilter filtre = new IntentFilter("andro.jf.broadcast");
        registerReceiver(myreceiver, filtre);
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == 48)
            Toast.makeText(this, "Code de requête récupéré (je sais d'ou je viens)",
                            Toast.LENGTH_LONG).show();
            if (resultCode == 50)
                Toast.makeText(this, "Code de retour ok (on m'a renvoyé le bon code)",
                            Toast.LENGTH_LONG).show();
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
  <TextView android:layout_width="fill_parent"
      android:layout_height="wrap_content" android:text="Main Activity:" />
  <Button android:text="Call" android:id="@+id/call"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
  <Button android:text="Call with result" android:id="@+id/info"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
</LinearLayout>

public class GivePhoneNumber extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.givephonenumber);
        // Bouton ok
            Button b = (Button)findViewById(R.id.ok);
        b.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                EditText number = (EditText)findViewById(R.id.number);
                Uri telnumber = Uri.parse("tel:" + number.getText().toString());
                Intent call = new Intent(Intent.ACTION_DIAL, telnumber);
                startActivity(call);
            }
        });
        // Bouton finish
        Button finish = (Button)findViewById(R.id.finish);
        finish.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                setResult(50);
                finish();
            }
        });
        // Bouton appel direct
        Button direct = (Button)findViewById(R.id.direct);
        direct.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                EditText number = (EditText)findViewById(R.id.number);
                Uri telnumber = Uri.parse("tel:" + number.getText().toString());
                Intent call = new Intent(Intent.ACTION_CALL, telnumber);
                startActivity(call);
        }});
        // Bouton broadcast
        Button broad = (Button)findViewById(R.id.broadcast);
        broad.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent broadcast = new Intent("andro.jf.broadcast");
                broadcast.putExtra("extra", "test");
                sendBroadcast(broadcast);
        }});
        // Bouton pour s'auto appeler
        Button autoinvoc = (Button)findViewById(R.id.autoinvoc);
        autoinvoc.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent call = new Intent("andro.jf.nom_du_message");
                call.putExtra("extra", "test");
                startActivity(call);
        }});
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    <android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
  <TextView android:text="Renseignez votre login:" android:id="@+id/TextView01"
    android:layout_width="wrap_content" android:layout_height="wrap_content"
    xmlns:android="http://schemas.android.com/apk/res/android"></TextView>
  <EditText android:id="@+id/number" android:layout_width="fill_parent"
      android:layout_height="wrap_content"></EditText>
  <Button android:text="Ok" android:id="@+id/ok"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
  <Button android:text="Finish" android:id="@+id/finish"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
  <Button android:text="Direct Call" android:id="@+id/direct"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
  <Button android:text="Broadcast" android:id="@+id/broadcast"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
  <Button android:text="Auto call" android:id="@+id/autoinvoc"
      android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
</LinearLayout>

public class MyBroadcastReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        Bundle extra = intent.getExtras();
        if (extra != null)
        {
            String val = extra.getString("extra");
            Toast.makeText(context, "Broadcast message received: " + val,
                            Toast.LENGTH_SHORT).show();
        }
    }
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="andro.jf"
    android:versionCode="1"
    android:versionName="1.0">
  <application android:icon="@drawable/icon" android:label="@string/app_name">
    <activity android:name=".Main"
              android:label="@string/app_name">
      <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
      </intent-filter>
      <intent-filter>
        <action android:name="andro.jf.nom_du_message" />
        <category android:name="android.intent.category.DEFAULT" />
      </intent-filter>
    </activity>
    <activity android:name=".GivePhoneNumber"
        android:label="Renseigner le login"/>
    <receiver android:name="MyBroadcastReceiver">
      <intent-filter>
        <action android:name="andro.jf.broadcast" />
        <category android:name="android.intent.category.DEFAULT" />
      </intent-filter>
    </receiver>
  </application>
  <uses-permission android:name="android.permission.RECEIVE_SMS"/>
  <uses-permission android:name="android.permission.CALL_PHONE"/>
  <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="4" />
</manifest>