PatientList.java
`public class PatientList extends FragmentActivity implements SwipeRefreshLayout.OnRefreshListener {
// Log tag
private static final String TAG = PatientList.class.getSimpleName();
// initially offset will be 0, later will be updated while parsing the json
private int offSet = 0;
// Movies json url
private static final String url = "http://192.168.0.100/test/apps.php";
private ProgressDialog pDialog;
private List<Patient> patientList = new ArrayList<Patient>();
private ListView listView;
private CustomListAdapter adapter;
private SwipeRefreshLayout swipeRefreshLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.patientlist_listview);
listView = (ListView) findViewById(R.id.list);
swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refresh_layout);
adapter = new CustomListAdapter(this, patientList);
listView.setAdapter(adapter);
pDialog = new ProgressDialog(this);
// Showing progress dialog before making http request
pDialog.setMessage("Loading...");
pDialog.show();
// changing action bar color
getActionBar().setBackgroundDrawable(
new ColorDrawable(Color.parseColor("#00BBD3")));
swipeRefreshLayout.setOnRefreshListener(this);
/**
* Showing Swipe Refresh animation on activity create
* As animation won't start on onCreate, post runnable is used
*/
swipeRefreshLayout.post(new Runnable() {
@Override
public void run() {
swipeRefreshLayout.setRefreshing(true);
fetchPatients();
}
}
);
listView.setAdapter(adapter);
// Click event for single list row
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Toast.makeText(PatientList.this, "row " + position + " was pressed", Toast.LENGTH_LONG).show();
switch (position) {
case 0:
TextView c =(TextView)view.findViewById(R.id.title);
String item = c.getText().toString();
Log.d("id",item);
break;
case 1:
break;
}
}
});
}
/**
* This method is called when swipe refresh is pulled down
*/
@Override
public void onRefresh() {
fetchPatients();
}
/**
* Fetching movies json by making http call
*/
private void fetchPatients() {
// showing refresh animation before making http call
swipeRefreshLayout.setRefreshing(true);
// appending offset to url
//String url = URL_TOP_250 + offSet;
// Creating volley request obj
JsonArrayRequest movieReq = new JsonArrayRequest(url,
new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
Log.d(TAG, response.toString());
hidePDialog();
Log.d("id", "hi") ;
// Parsing json
// reset the list
patientList.clear();
adapter.notifyDataSetChanged();
for (int i = 0; i < response.length();i++) {
try {
Log.d("id","hi1") ;
Log.d("i","i:"+i);
Patient patient = new Patient();
Log.d("length", "length:" + response.length());
JSONObject objid= response.getJSONObject(i);
//get id
patient.setTitle(objid.getString("id"));
//Log.d("i","i:"+i);
//obj= response.getJSONObject(i+1);
//get image url second item
JSONObject objimage= response.getJSONObject(++i);
patient.setThumbnailUrl(objimage.getString("image"));
//Log.d("i","i:"+i);
//patient.setTitle(obj.getString("id"));
//patient.setThumbnailUrl(obj.getString("image"));
// Log.d("id",obj.getString("id")) ;
// Log.d("image",obj.getString("image")) ;
// adding movie to movies array
if(i%2==1)
patientList.add(patient);
// updating offset value to highest value
//if (i >= offSet)
// offSet = i;
} catch (JSONException e) {
e.printStackTrace();
}
}
// notifying list adapter about data changes
// so that it renders the list view with updated data
adapter.notifyDataSetChanged();
// stopping swipe refresh
swipeRefreshLayout.setRefreshing(false);
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
hidePDialog();
Toast.makeText(getApplicationContext(), error.getMessage(), Toast.LENGTH_LONG).show();
// stopping swipe refresh
swipeRefreshLayout.setRefreshing(false);
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(movieReq);
}
@Override
public void onDestroy() {
super.onDestroy();
hidePDialog();
}
private void hidePDialog() {
if (pDialog != null) {
pDialog.dismiss();
pDialog = null;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
CustomListAdapter.java
public class CustomListAdapter extends BaseAdapter {
private Activity activity;
private LayoutInflater inflater;
private List<Patient> patientItems;
ImageLoader imageLoader = AppController.getInstance().getImageLoader();
public CustomListAdapter(Activity activity, List<Patient> movieItems) {
this.activity = activity;
this.patientItems = movieItems;
}
@Override
public int getCount() {
return patientItems.size();
}
@Override
public Object getItem(int location) {
return patientItems.get(location);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (inflater == null)
inflater = (LayoutInflater) activity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == null)
convertView = inflater.inflate(R.layout.list_row, null);
if (imageLoader == null)
imageLoader = AppController.getInstance().getImageLoader();
CirculaireNetworkImageView thumbNail = (CirculaireNetworkImageView) convertView
.findViewById(R.id.thumbnail);
TextView title = (TextView) convertView.findViewById(R.id.title);
Button viewBtn = (Button)convertView.findViewById(R.id.view_btn);
// getting movie data for the row
Patient m = patientItems.get(position);
// thumbnail image
thumbNail.setImageUrl(m.getThumbnailUrl(), imageLoader);
// title
title.setText(m.getTitle());
viewBtn.setTag(position);
viewBtn.setOnClickListener(new OnItemClickListener(position));
return convertView;
}
private class OnItemClickListener implements View.OnClickListener {
private int mPosition;
OnItemClickListener(int position) {
mPosition = position;
}
@Override
public void onClick(View arg0) {
Patient p=patientItems.get(mPosition);
String Title=p.getTitle();
Log.d("Title at row"+mPosition,Title);
}
}
}
单击listView后我没有得到任何响应，但按钮可以单击并显示我想要的数据。我不知道问题出在哪里。请给我一些帮助。谢谢。