ListView & TextWatcher & AutoComplete

Dernier Tp Android

I/ ListView :

a)Layout XML :

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

<ListView

android:id="@+id/android:list"

android:layout_width="fill_parent"

android:layout_height="wrap_content"></ListView>

</LinearLayout>

b)Activity :

public class Tp2Activity extends ListActivity {

static final String[] countries=new String[]{

"Afghastan","Albanie","Tunisie","Ukrania","Tchekozlovakia"

};

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

final ArrayAdapter<String> adapter=new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,countries);

setListAdapter(adapter);

}

}

II/ ListView & TextWatcher :=>Filtrer un listView :

a)Activity :

public class MainActivity extends ListActivity {

private EditText txtInput;

static final String[] countries = new String[] { "Afghastan", "Albanie",

"Tunisie", "Ukrania", "Tchekozlovakia" };

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

setContentView(R.layout.main);

final ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,

android.R.layout.simple_list_item_1, countries);

setListAdapter(adapter);

txtInput = (EditText) findViewById(R.id.editText1);

txtInput.addTextChangedListener(new TextWatcher() {

public void afterTextChanged(Editable theWatchedText) {

}

public void beforeTextChanged(CharSequence arg0, int arg1,

int arg2, int arg3) {

// Toast.makeText(getApplicationContext(), "BTC " + arg0,

// 1).show();

}

public void onTextChanged(CharSequence arg0, int start, int count,

int after) {

adapter.getFilter().filter(arg0.toString());

// Toast.makeText(getApplicationContext(), "OTC " + arg0,

// 1).show();

}

}); // addTextChangedListener

ListView lv = getListView();

lv.setOnItemClickListener(new OnItemClickListener() {

public void onItemClick(AdapterView<?> parent, View view,

int position, long id) {

Toast.makeText(getApplicationContext(),

((TextView) view).getText(), Toast.LENGTH_SHORT).show();

}

});

/* AutoCompleteTextView textView=(AutoCompleteTextView)findViewById(R.id.autocomplete_country);

ArrayAdapter<String> adapter=new ArrayAdapter<String>(this, R.layout.list_item, countries);

textView.setAdapter(adapter);*/

}

}

b)Xml Layout :

b.1=>list_item.xml :

<?xml version="1.0" encoding="utf-8"?>

<TextView xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:padding="10dp"

android:textColor="#000"

android:textSize="16sp" >

</TextView>

b.2=>main.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

<EditText

android:id="@+id/editText1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:ems="10"

android:hint="@string/hint1" >

<requestFocus />

</EditText>

<ListView

android:id="@+id/android:list"

android:layout_width="fill_parent"

android:layout_height="wrap_content" >

</ListView>

</LinearLayout>

d

III/AutoComplete :

1)Activity :

public class MainActivity extends Activity {

static final String[] countries = new String[] { "Afghastan", "Albanie",

"Tunisie", "Ukrania", "Tchekozlovakia" };

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

AutoCompleteTextView textView=(AutoCompleteTextView)findViewById(R.id.autocomplete_country);

ArrayAdapter<String> adapter=new ArrayAdapter<String>(this, R.layout.list_item, countries);

textView.setAdapter(adapter);

}

}

2)LAyout :

=>list_item.xml =>Meme que l'app précédente .

=>main.xml :

<?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="country" />

<AutoCompleteTextView

android:id="@+id/autocomplete_country"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:layout_marginLeft="5dp" />

</LinearLayout>