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POAndroid ListView with fast scroll and alphabetical section index
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  1. POAndroid ListView with fast scroll and alphabetical section index
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    copied!<p>How to add testview when touching a letter on right alphabet panel as shown in images? Could you please help me? Below is my code. </p> <p>In details, I am looking for an example exactly like below image. Currently I did the sorting of data. When I click on right alphabet panel it shows the data properly. But the problem is when touching a letter the right alphabet panel I need to show what letter he is pressing in large size shown in image(E). How can I do it, could you please help me? Thank you in advance!</p> <p><img src="https://i.stack.imgur.com/lFqiE.png" alt="screenshot of desired UI"> </p> <pre><code>// MainActivity.java public class MainActivity extends Activity implements SearchView.OnQueryTextListener, SearchView.OnCloseListener { private IndexableListView listView; private SearchView search; EfficientAdapter objectAdapter; EfficientAdapter2 objectAdapter1; int textlength = 0; private CheckBox checkStat, checkRoutine, checkTat; private ArrayList&lt;Patient&gt; patientListArray; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.homempleb); Log.i("scan"," txtScanResult "); ActionItem nextItem = new ActionItem(); final QuickAction quickAction = new QuickAction(this, QuickAction.VERTICAL); quickAction.addActionItem(nextItem); quickAction.setOnDismissListener(new QuickAction.OnDismissListener() { @Override public void onDismiss() { Toast.makeText(getApplicationContext(), "Dismissed", Toast.LENGTH_SHORT).show(); } }); listView = (IndexableListView) findViewById(R.id.homelistView); listView.setTextFilterEnabled(true); listView.setFastScrollEnabled(true); listView.setFastScrollAlwaysVisible(true); objectAdapter = new EfficientAdapter(this); listView.setAdapter(objectAdapter); } @Override public boolean onClose() { return false; } @Override public boolean onQueryTextChange(String newText) { return false; } @Override public boolean onQueryTextSubmit(String query) { return false; } } </code></pre> <p>...</p> <pre><code>// EfficientAdapter.java public class EfficientAdapter extends BaseAdapter implements SectionIndexer { private String mSections = "#ABCDEFGHIJKLMNOPQRSTUVWXYZ"; ArrayList&lt;Patient&gt; patientListArray; private LayoutInflater mInflater; private Context context; public EfficientAdapter(Context context) { mInflater = LayoutInflater.from(context); this.context=context; String patientListJson = CountriesList.jsonData; JSONObject jssson; try { jssson = new JSONObject(patientListJson); patientListJson = jssson.getString("PostPatientDetailResult"); } catch (JSONException e) { e.printStackTrace(); } Gson gson = new Gson(); JsonParser parser = new JsonParser(); JsonArray Jarray = parser.parse(patientListJson).getAsJsonArray(); patientListArray = new ArrayList&lt;Patient&gt;(); for (JsonElement obj : Jarray) { Patient patientList = gson.fromJson(obj, Patient.class); patientListArray.add(patientList); Collections.sort(patientListArray, new Comparator&lt;Object&gt;() { @Override public int compare(Object o1, Object o2) { Patient p1 = (Patient) o1; Patient p2 = (Patient) o2; return p1.getName().compareToIgnoreCase(p2.getName()); } }); } } public int getCount() { return patientListArray.size(); } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if (convertView == null) { convertView = mInflater.inflate(R.layout.homemplebrowview, null); holder = new ViewHolder(); holder.text1 = (TextView) convertView.findViewById(R.id.name); holder.text2 = (TextView) convertView.findViewById(R.id.mrn); holder.text3 = (TextView) convertView.findViewById(R.id.date); holder.text4 = (TextView) convertView.findViewById(R.id.age); holder.text5 = (TextView) convertView.findViewById(R.id.gender); holder.text6 = (TextView) convertView.findViewById(R.id.wardno); holder.text7 = (TextView) convertView.findViewById(R.id.roomno); holder.text8 = (TextView) convertView.findViewById(R.id.bedno); holder.btnList = (Button) convertView.findViewById(R.id.listbutton); holder.btnList.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // Intent next=new Intent(context, SeviceDetails.class); // context.startActivity(next); } }); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.text1.setText(Util.formatN2H(patientListArray.get(position).getName())); holder.text2.setText(patientListArray.get(position).getMrnNumber()); holder.text3.setText(Util.formatN2H(patientListArray.get(position).getRoom())); holder.text4.setText(Util.formatN2H(patientListArray.get(position).getAge())); holder.text5.setText(Util.formatN2H( patientListArray.get(position).getGender())); holder.text6.setText(Util.formatN2H(patientListArray.get(position).getWard())); holder.text7.setText(Util.formatN2H(patientListArray.get(position).getRoom())); holder.text8.setText(Util.formatN2H(patientListArray.get(position).getBed())); return convertView; } static class ViewHolder { public Button btnList; public TextView text8; public TextView text7; public TextView text6; public TextView text5; public TextView text4; public TextView text1; public TextView text2; public TextView text3; } @Override public void notifyDataSetChanged() { super.notifyDataSetChanged(); } //@Override public int getPositionForSection(int section) { // If there is no item for current section, previous section will be selected for (int i = section; i &gt;= 0; i--) { for (int j = 0; j &lt; getCount(); j++) { if (i == 0) { // For numeric section for (int k = 0; k &lt;= 9; k++) { if (StringMatcher.match(String.valueOf(patientListArray.get(j).getName().charAt(0)), String.valueOf(k))) return j; } } else { if (StringMatcher.match(String.valueOf(patientListArray.get(j).getName().charAt(0)), String.valueOf(mSections.charAt(i)))) return j; } } } return 0; } //@Override public int getSectionForPosition(int position) { return 0; } //@Override public Object[] getSections() { String[] sections = new String[mSections.length()]; for (int i = 0; i &lt; mSections.length(); i++) sections[i] = String.valueOf(mSections.charAt(i)); return sections; } } </code></pre>
 

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