这个网址： http://sentienich.aviostore.com/api/cunghoangdao/danhsach_baiviet.php?theloai=4&page=2
应该给我第2页的json数据的下一页 我使用了惊人的列表视图。
MainActivity
public class PaginationDemoActivity extends Activity {
AmazingListView lsComposer;
PaginationComposerAdapter adapter;
ArrayList<Composer> list =new ArrayList<Composer>();
ArrayList<Composer> list1 = new ArrayList<Composer>();
private String url = "http://sentienich.aviostore.com/api/cunghoangdao/danhsach_baiviet.php?theloai=4";
private static int pageCount = 1 ;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_pagination_demo);
lsComposer = (AmazingListView) findViewById(R.id.lsComposer);
lsComposer.setLoadingView(getLayoutInflater().inflate(R.layout.loading_view, null));
lsComposer.setAdapter(adapter = new PaginationComposerAdapter());
try {
list = new docJSon().execute().get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
adapter.notifyMayHaveMorePages();
}
public void bRefresh_click(View v) {
adapter.reset();
adapter.resetPage();
adapter.notifyMayHaveMorePages();
}
class PaginationComposerAdapter extends AmazingAdapter {
private AsyncTask<Integer, Void, Pair<Boolean, List<Composer>>> backgroundTask;
public void reset() {
if (backgroundTask != null) backgroundTask.cancel(false);
//list = Data.getRows(1).second;
notifyDataSetChanged();
}
@Override
public int getCount() {
return list.size();
}
@Override
public Composer getItem(int position) {
return list.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
protected void onNextPageRequested(int page) {
Log.d(TAG, "Got onNextPageRequested page=" + page);
//tren nay la khi vuot xuong load them
if( pageCount < 1)
pageCount++;
runOnUiThread(new Runnable() {
@Override
public void run() {
try {
list1 = new docJSon().execute().get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
}
});
if (backgroundTask != null) {
backgroundTask.cancel(false);
}
backgroundTask = new AsyncTask<Integer, Void, Pair<Boolean, List<Composer>>>() {
@Override
protected Pair<Boolean, List<Composer>> doInBackground(Integer... params) {
int page = params[0];
return Data.getRows(page);
}
@Override
protected void onPostExecute(Pair<Boolean, List<Composer>> result) {
if (isCancelled()) return;
// đoạn này là khi vuốt xuống nó add vào cái list đầu tiên
list.addAll(list1);
nextPage();
notifyDataSetChanged();
if (result.first) {
// still have more pages
notifyMayHaveMorePages();
} else {
notifyNoMorePages();
}
};
}.execute(page);
}
@Override
protected void bindSectionHeader(View view, int position, boolean displaySectionHeader) {}
@Override
public View getAmazingView(int position, View convertView, ViewGroup parent) {
View res = convertView;
if (res == null) res = getLayoutInflater().inflate(R.layout.item_composer, null);
// we don't have headers, so hide it
res.findViewById(R.id.header).setVisibility(View.GONE);
TextView lName = (TextView) res.findViewById(R.id.lName);
TextView lYear = (TextView) res.findViewById(R.id.lYear);
Composer composer = getItem(position);
lName.setText(composer.name);
lYear.setText(composer.year);
return res;
}
@Override
public void configurePinnedHeader(View header, int position, int alpha) {
}
@Override
public int getPositionForSection(int section) {
return 0;
}
@Override
public int getSectionForPosition(int position) {
return 0;
}
@Override
public Object[] getSections() {
return null;
}
}
public class docJSon extends AsyncTask<String, Integer, ArrayList<Composer>> {
@Override
protected ArrayList<Composer> doInBackground(String... arg) {
url = "http://sentienich.aviostore.com/api/cunghoangdao/danhsach_baiviet.php?theloai=4&page=" +pageCount;
Parser jParser = new Parser();
String json = jParser.getJSONData(url);
try{
Composer b;
JSONArray mang = new JSONArray(json);
for (int i = 0; i < mang.length(); i++) {
b = new Composer();
JSONObject cunghoangdao = mang.getJSONObject(i);
b.setName(cunghoangdao.getString("tieude"));
b.setYear(cunghoangdao.getString("id"));
list.add(b);
}
}catch(JSONException e){
e.printStackTrace();
}
return list;
}
protected void onPostExecute(ArrayList<Composer> s){
}
}
}
Parser class
public class Parser {
static InputStream is = null;
static JSONObject jObj = null;
static String json = "";
public String getJSONData(String url){
try{
DefaultHttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(url);
HttpResponse response = client.execute(post);
HttpEntity entity = response.getEntity();
is = entity.getContent();
}catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(
is, "iso-8859-1"), 8);
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
is.close();
json = sb.toString();
} catch (Exception e) {
Log.e("Buffer Error", "Error converting result " + e.toString());
}
return json;
}
}
activity_pagination_demo.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent">
<LinearLayout android:layout_height="wrap_content" android:id="@+id/linearLayout1" android:layout_width="fill_parent" android:background="#eee">
<TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Click the button to refresh to page 1" android:layout_weight="1"></TextView>
<Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Refresh" android:onClick="bRefresh_click"></Button>
</LinearLayout>
<com.example.zkyun.amazinglistviewtest.AmazingListView android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/lsComposer" />
答案 0 :(得分：0)
每次你要求
alert: 'lol'
将from subprocess import check_output
import re
with open('so-expiration.txt', 'wt') as fout:
for line in check_output(["whois", "stackoverflow.com"]).split('\n'):
if re.match(r'Registrar Registration Expiration Date', line):
fout.write(line)
设置为1.要使其正常工作，您需要使用url = "http://.../danhsach_baiviet.php?theloai=4&page=" + pageCount;
的{{1}}参数，并以某种方式将其传递给pageCount。
此外，您最好将page的实施与onNextPageRequested(int page)的实施合并。目前，您正在使用
docJSon也可以解决您当前的问题。