我从网站上获得了JSON数组,现在如果我使用循环并分离每个对象并填写我的layout.xml文件。一切都很好只有问题是我的布局文件显示完成后的所有数据。它应该在每次填充线性布局时显示。
提前致谢,抱歉我的英语不好。
以下是我的Android代码。
public class searchClassified extends Activity implements ScrollViewListener
{
ObservableScrollView scrollView;
ProgressDialog _progressDialog;
HttpClient client;
int j = 1, counter = 0;
int page_no = 1;
String k = "";
final static String URL = "http://www.lmf.com.pk/admin/json.php?";
private static final int SPLASH_DURATION = 300; // 0.3 seconds
final getInternetData obj = new getInternetData();
Handler handler = new Handler();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.get_classified);
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);
scrollView = (ObservableScrollView) findViewById(R.id.my_scroll);
scrollView.setScrollViewListener(this);
String s = getIntent().getExtras().getString("query")!= "" ? getIntent().getExtras().getString("query") : "";
EditText et = (EditText) findViewById(R.id.query);
et.setText(s);
k = "all="+URLEncoder.encode(s);
new getBackgroundData().execute();
}
public void onScrollEnded(ObservableScrollView scrollView, int x, int y,
int oldx, int oldy) {
// TODO Auto-generated method stub
page_no = page_no + 1;
k = k+"&page_no="+page_no;
//Toast.makeText(this, "Loading", 5000).show();
handler.postDelayed(new Runnable() {
public void run() {
try
{
JSONArray array = obj.getDATA(k,URL);
if(array.length() > 0)
{
LinearLayout sv = (LinearLayout) findViewById(R.id.data);
for (int i = 0; i <array.length(); i++) {
JSONObject row = array.getJSONObject(i);
//// TextView Creation start here /////////
TextView tv = (TextView)getLayoutInflater().inflate(R.layout.tvtemplate, null);
tv.setText(row.getString("post_title"));
tv.setTextColor(Color.WHITE);
tv.setTextSize(14);
tv.setPadding(8, 6, 0, 12);
tv.setFocusable(true);
tv.setLayoutParams(new LayoutParams(
LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT));
//// TextView Creating Ends here /////////
//// Horizontal Line Creating here /////////
View v = new View(searchClassified.this);
LinearLayout.LayoutParams viewLp = new LayoutParams(LayoutParams.MATCH_PARENT, 1);
viewLp.setMargins(0, 4, 0, 4);
v.setLayoutParams(viewLp);
v.setBackgroundColor(Color.LTGRAY);
//// Horizontal Line Creating Ends here /////////
//// Image Creating Starts from here /////////
LayoutParams lp = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
lp.setMargins(3, 0, 15, 8);
lp.width = 70;
lp.height = 80;
ImageView imageView = new ImageView(searchClassified.this);
String[] parts = row.getString("post_img").split("/");
int last_index = parts.length - 1;
String image_name = "thumb_"+parts[last_index];
String str = "";
for(int j=0; j<last_index; j++)
{
str += parts[j]+"/";
}
String path = "http://www.lmf.com.pk/"+str+image_name;
URL url = new URL(path);
URLConnection conn = url.openConnection();
conn.connect();
InputStream is = conn.getInputStream();
BufferedInputStream bis = new BufferedInputStream(is);
Bitmap bm = BitmapFactory.decodeStream(bis);
imageView.setImageBitmap(bm);
bis.close();
is.close();
//// Image Creating Ends here /////////
// Creating LinearLAyout /////////
LinearLayout l1 = new LinearLayout(searchClassified.this);
l1.setOrientation(LinearLayout.HORIZONTAL);
l1.setHapticFeedbackEnabled(true);
l1.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
l1.setId(obj.convertStrtoInt(row.getString("post_id")));
l1.setHapticFeedbackEnabled(true);
l1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Dialog d = new Dialog(searchClassified.this);
d.setTitle("Under Construction");
d.show();
//Intent i = new Intent(getClassified.this,com.example.lmf.MainActivity2.class);
//i.putExtra("sub_cat_id", v.getId());
//startActivity(i);
}
});
l1.addView(imageView, lp);
l1.addView(tv);
sv.addView(l1);
sv.addView(v);
}
}
else
{
Toast.makeText(getApplicationContext(), "No More Data Available", Toast.LENGTH_LONG).show();
}
}
catch(Exception e)
{
e.printStackTrace();
}
}
},SPLASH_DURATION);
}
public void searchAds(View v)
{
EditText query = (EditText) findViewById(R.id.query);
String q = query.getText().toString();
if(q == "" || q == "search")
{
Dialog d = new Dialog(this);
d.setTitle("Enter Valid Search Parameter");
d.show();
}
else
{
//Toast.makeText(context, q, Toast.LENGTH_LONG).show();
Intent i = new Intent(searchClassified.this,com.example.lmf.searchClassified.class);
i.putExtra("query", ""+q+"");
startActivity(i);
}
}
public void showProgress()
{
_progressDialog = ProgressDialog.show(
searchClassified.this,
"Please wait",
"Performing task..."
);
}
public void hideProgress()
{
_progressDialog.dismiss();
}
//////////// Async Class
private class getBackgroundData extends AsyncTask<Void, Integer, JSONArray>
{
@Override
protected void onPreExecute()
{
// update the UI immediately after the task is executed
showProgress();
}
@Override
protected JSONArray doInBackground(Void... params)
{
try
{
JSONArray array = obj.getDATA(k,URL);
return array;
}
catch(Exception e)
{
e.printStackTrace();
}
return null;
}
protected void onProgressUpdate(Integer... values)
{
super.onProgressUpdate(values);
Log.i( "makemachine", "onProgressUpdate(): " + String.valueOf( values[0] ) );
}
@Override
protected void onPostExecute(JSONArray array)
{
LinearLayout sv = (LinearLayout) findViewById(R.id.data);
try
{
for (int i = 0; i <array.length(); i++) {
JSONObject row = array.getJSONObject(i);
//// TextView Creation start here /////////
TextView tv = (TextView)getLayoutInflater().inflate(R.layout.tvtemplate, null);
tv.setText(row.getString("post_title"));
tv.setTextColor(Color.WHITE);
tv.setTextSize(14);
tv.setPadding(8, 6, 0, 12);
tv.setFocusable(true);
tv.setLayoutParams(new LayoutParams(
LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT));
//// TextView Creating Ends here /////////
//// Horizontal Line Creating here /////////
View v = new View(searchClassified.this);
LinearLayout.LayoutParams viewLp = new LayoutParams(LayoutParams.MATCH_PARENT, 1);
viewLp.setMargins(0, 4, 0, 4);
v.setLayoutParams(viewLp);
v.setBackgroundColor(Color.LTGRAY);
//// Horizontal Line Creating Ends here /////////
//// Image Creating Starts from here /////////
LayoutParams lp = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
lp.setMargins(3, 0, 15, 8);
lp.width = 70;
lp.height = 80;
ImageView imageView = new ImageView(searchClassified.this);
String[] parts = row.getString("post_img").split("/");
int last_index = parts.length - 1;
String image_name = "thumb_"+parts[last_index];
String str = "";
for(int j=0; j<last_index; j++)
{
str += parts[j]+"/";
}
String path = "http://www.lmf.com.pk/"+str+image_name;
URL url = new URL(path);
URLConnection conn = url.openConnection();
conn.connect();
InputStream is = conn.getInputStream();
BufferedInputStream bis = new BufferedInputStream(is,8192);
Bitmap bm = BitmapFactory.decodeStream(bis);
imageView.setImageBitmap(bm);
bis.close();
is.close();
//// Image Creating Ends here /////////
// Creating LinearLAyout /////////
LinearLayout l1 = new LinearLayout(searchClassified.this);
l1.setOrientation(LinearLayout.HORIZONTAL);
l1.setHapticFeedbackEnabled(true);
l1.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
l1.setId(obj.convertStrtoInt(row.getString("post_id")));
l1.setHapticFeedbackEnabled(true);
l1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Dialog d = new Dialog(searchClassified.this);
d.setTitle("Under Construction");
d.show();
//Intent i = new Intent(getClassified.this,com.example.lmf.MainActivity2.class);
//i.putExtra("sub_cat_id", v.getId());
//startActivity(i);
}
});
l1.addView(imageView, lp);
l1.addView(tv);
sv.addView(l1);
sv.addView(v);
}
}
catch(Exception e)
{
e.printStackTrace();
}
hideProgress();
}
}
/////////// Ends Here
}