Swipen in einer Listview

static final int DELTA = 50;
enum Direction {LEFT, RIGHT;}
...
ListView lvSimple = (ListView) findViewById(R.id.linLayout);
...
lvSimple.setOnTouchListener(new OnTouchListener() {
    @Override
    public boolean onTouch(View v, MotionEvent event) 
    {
        // TODO Auto-generated method stub
        switch (event.getAction()) 
        {
            case MotionEvent.ACTION_DOWN:
            historicX = event.getX();
            historicY = event.getY();
            break;

            case MotionEvent.ACTION_UP:
            if (event.getX() - historicX < -DELTA) 
            {
                FunctionDeleteRowWhenSlidingLeft();
                return true;
            }
            else if (event.getX() - historicX > DELTA)  
            {
                FunctionDeleteRowWhenSlidingRight();
                return true;
            } break;
            default: return false;
        }
        return false;
    }
});

public class MainActivity extends Activity {

	//Widgets
	private Button addItem;
	private Button refreshItem;
	private Button loginMenu;
	
	//Strings
	private String addValue;
	private String removeValue;
	private String username;
	private String password;
	
	//Benutzername/Passwort speichern
	private SharedPreferences saveLogin;
	
	    @Override
	    protected void onCreate(Bundle savedInstanceState) {
	        super.onCreate(savedInstanceState);
	        setContentView(R.layout.activity_main);
	        
			//SharedPreferences laden
			saveLogin = getApplicationContext().getSharedPreferences("login", 0);
			loadPreferences();
	        
	        //listView updaten/erstellen
	        readValues lo = new readValues();
	        lo.execute();
	        
	        //removeItem
	        registerClickCallback();
	        
	        //addItem
	        addItem = (Button) findViewById(R.id.addItem);
	        addItem.setOnClickListener(new View.OnClickListener() {
				@Override
				public void onClick(View v) {
					openDialog();
				}
			});
	        
	      //loginMenu
	        loginMenu = (Button) findViewById(R.id.loginMenu);
	        loginMenu.setOnClickListener(new View.OnClickListener() {
				
				@Override
				public void onClick(View v) {
					Intent i = new Intent(getApplicationContext(), LoginActivity.class);
					startActivity(i);
				}
			});
	        
	        //refresh
	        refreshItem = (Button) findViewById(R.id.ButtonRefresh);
	        refreshItem.setOnClickListener(new View.OnClickListener() {
				
				@Override
				public void onClick(View v) {
					loadPreferences();
					
					readValues lo = new readValues();
					lo.execute();
					
					Toast.makeText(MainActivity.this, "Einträge neugeladen!", Toast.LENGTH_LONG).show();
				}
			});
	    }

    
    //getAddValue
    private void openDialog(){
    	AlertDialog.Builder alert = new AlertDialog.Builder(this);

    	alert.setTitle("Zur Einkaufsliste hinzufügen");
    	alert.setMessage(" ");

    	// Set an EditText view to get user input 
    	final EditText input = new EditText(this);
    	alert.setView(input);

    	alert.setPositiveButton("Bestätigen", new DialogInterface.OnClickListener() {
    	public void onClick(DialogInterface dialog, int whichButton) {
    	  
    	//Input verarbeiten
    		String addValueRaw = input.getText().toString();
    	  	try {
    	  		addValue = URLEncoder.encode(addValueRaw,"UTF-8");
			} catch (UnsupportedEncodingException e) {
				addValue = "";
			}
    	  addValue = addValue.replace(";", ":");
    	  
    	  //addValues aufrufen
    	  addValues lo = new addValues();
    	  lo.execute();
    		}
    	});

    	alert.setNegativeButton("Abbrechen", new DialogInterface.OnClickListener() {
    	  public void onClick(DialogInterface dialog, int whichButton) {
    	    // Canceled.
    	  }
    	});

    	alert.show();
    }
    
    //getRememoveValue
    private void registerClickCallback(){
    	ListView list = (ListView) findViewById(R.id.listView);
    	list.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {

			@Override
			public boolean onItemLongClick(AdapterView<?> parent, View viewClicked,
					int position, long id) {
				
					TextView textView = (TextView) viewClicked;
					final String removeValueRaw = textView.getText().toString();
			    	try {
			    		removeValue = URLEncoder.encode(removeValueRaw,"UTF-8");
					} catch (UnsupportedEncodingException e) {
						removeValue = "";
					}
			    	removeValue = removeValue.replace(';', ':');
						
			    	  //Alert erstellen
						AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
						builder.setMessage(removeValue+" entfernen?")
						       .setCancelable(false)
						       .setPositiveButton("Ja", new DialogInterface.OnClickListener() {
						           public void onClick(DialogInterface dialog, int id) {
						        	   removeValues lo = new removeValues();
						   	           lo.execute();
						   	           
						   	           Toast.makeText(MainActivity.this, removeValueRaw + " entfernt!", Toast.LENGTH_LONG).show();
						   	           
						           }
						       });
						builder.setNegativeButton("Nein", new DialogInterface.OnClickListener() {
					    	  public void onClick(DialogInterface dialog, int whichButton) {
					    	  }
					    	});
						
						AlertDialog alert = builder.create();
						alert.show();
				return false;
			}
		});
    }
    
    //listView updaten
    private class readValues extends AsyncTask<Void, Void, String> {

    	private String[] values = null;
    	
        @Override
        protected String doInBackground(Void... params) {
            internetHandler ih = new internetHandler();
            values = ih.getList(username,password,"","");
			return null;
        }

        @Override
        protected void onPostExecute(String result) {
            //Liste konvertieren
            ArrayAdapter<String> adapter = new ArrayAdapter<String>(MainActivity.this, 
                R.layout.listview_item, //Genutztes Layout
                values); //Genutzter Array

            //listView einstellen
            ListView list = (ListView) findViewById(R.id.listView);
            list.setAdapter(adapter);
        }

        @Override
        protected void onPreExecute() {}

        @Override
        protected void onProgressUpdate(Void... values) {}
    }
    
    //addValues - InternetHandler
    private class addValues extends AsyncTask<Void, Void, String> {

        @Override
        protected String doInBackground(Void... params) {
            internetHandler ih = new internetHandler();
            ih.getList(username,password,addValue,"");
            
            readValues lo = new readValues();
	        lo.execute();
			return null;
        }
    }
    
    //removeValues - InternetHandler
    private class removeValues extends AsyncTask<Void, Void, String> {

        @Override
        protected String doInBackground(Void... params) {
            internetHandler ih = new internetHandler();
            ih.getList(username,password,"",removeValue);
            
            readValues lo = new readValues();
	        lo.execute();
			return null;
        }
    }

    //Username/Passwort auslesen
    private void loadPreferences(){
    	if(saveLogin.getString("username", null)!=null && saveLogin.getString("password", null)!=null){
    		username = saveLogin.getString("username", null);
    		password = saveLogin.getString("password", null);
    	}else{
    		Intent i = new Intent(getApplicationContext(), LoginActivity.class);
			startActivity(i);
    	}
    }
}