Question

i have a simple problem but it is giving me a big problem im sure it is something simple i am just missing.

I am trying to cerate a splash screen with a button that will go to the next screen at the moment the java code below creates a list of all the activitys in the manifest.

I am using the KanKan Wheel project BTW.

I want my java file to just have a simple button java command that links to one button on the xml file like so:

   Button bEnter = (Button) findViewById(R.id.enter);
    bEnter.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub
            startActivity(new Intent("??????????????????"));


        }
    });

Usually where the “???” are you would just place the package name then .MATCHMANIFESTNAME but i cant seem to get this to work i think the java code below is adding something as it is making the links automatcilly.

At the moment the java file is:

public class WheelDemo extends ListActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    Intent intent = getIntent();
    String path = intent.getStringExtra("com.example.android.apis.Path");

    if (path == null) {
        path = "";
    }

    setListAdapter(new SimpleAdapter(this, getData(path),
            android.R.layout.simple_list_item_1, new String[] { "title" },
            new int[] { android.R.id.text1 }));
}

protected List getData(String prefix) {
    List<Map> myData = new ArrayList<Map>();

    Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
    mainIntent.addCategory("kankan.wheel.WHEEL_SAMPLE");

    PackageManager pm = getPackageManager();
    List<ResolveInfo> list = pm.queryIntentActivities(mainIntent, 0);

    if (null == list)
        return myData;

    String[] prefixPath;

    if (prefix.equals("")) {
        prefixPath = null;
    } else {
        prefixPath = prefix.split("/");
    }

    int len = list.size();

    Map<String, Boolean> entries = new HashMap<String, Boolean>();

    for (int i = 0; i < len; i++) {
        ResolveInfo info = list.get(i);
        CharSequence labelSeq = info.loadLabel(pm);
        String label = labelSeq != null
                ? labelSeq.toString()
                : info.activityInfo.name;

        if (prefix.length() == 0 || label.startsWith(prefix)) {

            String[] labelPath = label.split("/");

            String nextLabel = prefixPath == null ? labelPath[0] : labelPath[prefixPath.length];

            if ((prefixPath != null ? prefixPath.length : 0) == labelPath.length - 1) {
                addItem(myData, nextLabel, activityIntent(
                        info.activityInfo.applicationInfo.packageName,
                        info.activityInfo.name));
            } else {
                if (entries.get(nextLabel) == null) {
                    addItem(myData, nextLabel, browseIntent(prefix.equals("") ? nextLabel : prefix + "/" + nextLabel));
                    entries.put(nextLabel, true);
                }
            }
        }
    }

    Collections.sort(myData, sDisplayNameComparator);

    return myData;
}

private final static Comparator<Map> sDisplayNameComparator = new Comparator<Map>() {
    private final Collator collator = Collator.getInstance();

    public int compare(Map map1, Map map2) {
        return collator.compare(map1.get("title"), map2.get("title"));
    }
};

protected Intent activityIntent(String pkg, String componentName) {
    Intent result = new Intent();
    result.setClassName(pkg, componentName);
    return result;
}

protected Intent browseIntent(String path) {
    Intent result = new Intent();
    result.setClass(this, WheelDemo.class);
    result.putExtra("com.example.android.apis.Path", path);
    return result;
}

protected void addItem(List<Map> data, String name, Intent intent) {
    Map<String, Object> temp = new HashMap<String, Object>();
    temp.put("title", name);
    temp.put("intent", intent);
    data.add(temp);
}

@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
    Map map = (Map) l.getItemAtPosition(position);

    Intent intent = (Intent) map.get("intent");
    startActivity(intent);
}
} 

And the screen i want to link to in the manifest is defined as:

<activity android:name="kankan.wheel.demo.PasswActivity" android:label="Password" android:screenOrientation="landscape">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="kankan.wheel.WHEEL_SAMPLE"/>
        </intent-filter>
    </activity>

Answer 1

in my experience, simply put:

Button bEnter = (Button) findViewById(R.id.enter);     
bEnter.setOnClickListener(new View.OnClickListener() {          
public void onClick(View v) {             
// TODO Auto-generated method stub             

startActivity(new Intent("nameofthisclass.this, nameofotherclass.class"));           

}     
});