public class FooBar extends TabActivity {
TabHost tabHost;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Resources res = getResources(); // Resource object to get Drawables
tabHost = getTabHost(); // The activity TabHost
TabHost.TabSpec spec; // Resusable TabSpec for each tab
Intent intent; // Reusable Intent for each tab
// Create an Intent to launch an Activity for the tab (to be reused)
intent = new Intent().setClass(this, OnlineVisitors.class);
// Initialize a TabSpec for each tab and add it to the TabHost
spec = tabHost.newTabSpec("onlineVisitors").setIndicator("Online Visitors",
res.getDrawable(R.drawable.ic_tab_artists))
.setContent(intent);
tabHost.addTab(spec);
// Do the same for the other tabs
intent = new Intent().setClass(this, ContactList.class);
spec = tabHost.newTabSpec("Contacts").setIndicator("Contacts",
res.getDrawable(R.drawable.ic_tab_albums))
.setContent(intent);
tabHost.addTab(spec);
intent = new Intent().setClass(this, Chat.class);
spec = tabHost.newTabSpec("chat").setIndicator("Chat",
res.getDrawable(R.drawable.ic_tab_songs))
.setContent(intent);
tabHost.addTab(spec);
tabHost.setCurrentTab(0);
}
protected View.OnClickListener signInButtonListener = new View.OnClickListener()
{ public void onClick(View v) {
setContentView(R.layout.main);
} };
}
public class Connection extends Activity {
Button signInButton;
EditText nameEditText;
EditText passEditText;
DatagramSocket socket;
int localPort;
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.login);
signInButton = (Button)this.findViewById(R.id.signInButton);
signInButton.setOnClickListener(signInButtonListener);
nameEditText = (EditText)this.findViewById(R.id.nameEdit);
passEditText = (EditText)this.findViewById(R.id.passEdit);
}
public void connectToServer(){
try {
socket = new DatagramSocket(null);
socket.setReuseAddress(true);
socket.bind(new InetSocketAddress(localPort));
} catch (SocketException e) {
e.printStackTrace();
}
}
protected View.OnClickListener signInButtonListener = new View.OnClickListener()
{ public void onClick(View v) {
String login = nameEditText.getText().toString();
String password = passEditText.getText().toString();
if (login.equals("Name")&& password.equals("Password")){
Toast.makeText(getBaseContext(), "Success", Toast.LENGTH_SHORT).show();
setContentView(R.layout.main);
}
} };
}
login.xml
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout
android:id="@+id/mainLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
>
<EditText
android:id="@+id/nameEdit"
android:layout_width="150px"
android:layout_height="40px"
android:text="Name"
android:textSize="12px"
android:layout_x="22px"
android:layout_y="45px"
>
</EditText>
<EditText
android:id="@+id/passEdit"
android:layout_width="150px"
android:layout_height="40px"
android:text="Password"
android:textSize="12px"
android:layout_x="22px"
android:layout_y="84px"
>
</EditText>
<Button
android:id="@+id/signInButton"
android:layout_width="wrap_content"
android:layout_height="39px"
android:text="Sign in"
android:layout_x="27px"
android:layout_y="122px"
>
</Button>
<Button
android:id="@+id/signUpButton"
android:layout_width="wrap_content"
android:layout_height="39px"
android:text="Sign up"
android:layout_x="28px"
android:layout_y="193px"
>
</Button>
<TextView
android:id="@+id/newUserTxt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New here?"
android:layout_x="28px"
android:layout_y="163px"
>
</TextView>
<TextView
android:id="@+id/welcomeTxt"
android:layout_width="150px"
android:layout_height="20px"
android:text="Welcome!"
android:textSize="14px"
android:layout_x="31px"
android:layout_y="26px"
>
</TextView>
</AbsoluteLayout>
main.xml
<?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:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="5dp">
<TabWidget
android:id="@android:id/tabs"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="5dp" />
</LinearLayout>
</TabHost>
Tak jak pisałem wcześniej, widok z logowaniem i TabView działają kiedy są używane jako osobne aktywności, problem jest kiedy chcę załadować TabView po kliknięciu na przycisk "sign in". Pokazuje się czarne tło i nie wyrzuca żadnego wyjątku.