Ajout du bouton "Envoyer" dans l'activite Chat.
<?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">
<LinearLayout android:id="@+id/chat_header"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:orientation="horizontal" android:gravity="center_vertical"
android:background="#222222" android:padding="4px">
<ImageView android:id="@+id/chat_contact_status_icon"
android:adjustViewBounds="true" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:gravity="center_vertical" />
<LinearLayout android:orientation="vertical"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:paddingLeft="15sp">
<TextView android:id="@+id/chat_contact_name"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:lines="1" android:singleLine="true" android:textSize="16sp"
android:textStyle="bold" android:textColor="#FFFFFF" />
<TextView android:id="@+id/chat_contact_status_msg"
android:layout_width="fill_parent" android:layout_height="wrap_content"
android:autoLink="all" android:textSize="12sp" android:textColor="#FFFFFF"
android:textColorLink="#FFFFFF" />
</LinearLayout>
</LinearLayout>
<View android:layout_width="fill_parent" android:layout_height="2dp"
android:fadingEdge="horizontal" android:background="#555555" />
<ListView android:id="@+id/chat_messages"
android:layout_width="fill_parent" android:layout_height="0px"
android:layout_weight="1" android:transcriptMode="normal"
android:fastScrollEnabled="true" android:smoothScrollbar="false"
android:layout_marginBottom="20sp" android:padding="4px" />
<LinearLayout android:layout_width="fill_parent"
android:layout_height="wrap_content" android:orientation="horizontal"
android:background="#222222" android:padding="8px">
<EditText android:id="@+id/chat_input" android:layout_width="wrap_content"
android:layout_height="fill_parent" android:layout_weight="1"
android:ellipsize="end" android:inputType="textAutoComplete|textAutoCorrect"
android:imeOptions="actionSend" android:cursorVisible="true"
android:hint="@string/chat_input_default_value" />
<Button android:id="@+id/chat_send_message"
android:layout_width="wrap_content" android:layout_height="fill_parent"
android:text="@string/chat_send_message" />
</LinearLayout>
</LinearLayout>