Android 学习笔记

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 1:  // Create a button click listener for the List Jobs button.

 2:  Button btnList = (Button) findViewById(R.id.btnShowList);

 3:  btnList.setOnClickListener(new Button.OnClickListener() {

 4:  
		public void onClick(View v) {

 5:          Intent intent = new Intent(MicroJobs.this.getApplication(), 

 6:            MicroJobsList.class);

 7:          startActivity(intent);

 8:      }

 9:  });

10:   

11:  // Load a HashMap with locations and positions

12:  List<String> lsLocations = new ArrayList<String>();

13:  final HashMap<String, GeoPoint> hmLocations = new HashMap<String, GeoPoint>();

14:  hmLocations.put("Current Location", new GeoPoint((int) latitude, (int) longitude));

15:  lsLocations.add("Current Location");

16:   

17:  // Add favorite locations from this user's record in workers table

18:  worker = db.getWorker();

19:  hmLocations.put(worker.getColLoc1Name(), new GeoPoint((int)worker.getColLoc1Lat(), 

20:    (int)worker.getColLoc1Long()));

21:  lsLocations.add(worker.getColLoc1Name());

22:  hmLocations.put(worker.getColLoc2Name(), new GeoPoint((int)worker.getColLoc2Lat(), 

23:    (int)worker.getColLoc2Long()));

24:  lsLocations.add(worker.getColLoc2Name());

25:  hmLocations.put(worker.getColLoc3Name(), new GeoPoint((int)worker.getColLoc3Lat(), 

26:    (int)worker.getColLoc3Long()));

27:  lsLocations.add(worker.getColLoc3Name());

28:   

29:  ArrayAdapter<String> aspnLocations

30:      = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, 

31:       lsLocations);

32:  aspnLocations.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

33:  spnLocations.setAdapter(aspnLocations);