Android onclick button in list

Question

My project contains listView (homelistView) which contains a button (btnList) .

When I click the (btnList) button, it should go to another action. I tried a lot, but I did not find a good example.

Please offer me a good example.

Below is my code:

Here is my list contains a button. When a button is pressed, it should go into another activity.

--------------------------------A-- button(btnList) B --------------------------------C--- BUTTON(btnList) D --------------------------------E-- 

homempleb.xml before using this code in xml. buttonlist worked fine for me according to Mojit's pattern of faith

  <ListView android:id="@+id/homelistView" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_weight="1.04" android:dividerHeight="0dip" > </ListView> 

homempleb.xml Currently I have added a scroll index to my list and changed the code as shown below. Listbutton is not working for me right now. Plz help me

  <com.woozzu.android.widget.IndexableListView android:id="@+id/homelistView" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_weight="1.04" android:dividerHeight="0dip" > </com.woozzu.android.widget.IndexableListView> 

MainActivity.java

  public class MainActivity extends Activity implements SearchView.OnQueryTextListener, SearchView.OnCloseListener { private ListView listView; // private IndexableListView listView; private SearchView search; EfficientAdapter objectAdapter; // EfficientAdapter2 objectAdapter1; int textlength = 0; private CheckBox checkStat, checkRoutine, checkTat; private ArrayList<Patient> 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(); } }); search = (SearchView) findViewById(R.id.searchView1); search.setIconifiedByDefault(false); search.setOnQueryTextListener(this); search.setOnCloseListener(this); search.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { quickAction.show(v); } }); checkStat = (CheckBox) findViewById(R.id.checkBoxStat); checkRoutine = (CheckBox) findViewById(R.id.checkBoxRoutine); checkTat = (CheckBox) findViewById(R.id.checkBoxTat); checkStat.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (((CheckBox) v).isChecked()) { checkStat.setChecked(true); Toast.makeText(MainActivity.this, "STAT", Toast.LENGTH_SHORT).show(); checkRoutine.setChecked(false); checkTat.setChecked(false); } } }); checkRoutine.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (((CheckBox) v).isChecked()) { checkRoutine.setChecked(true); Toast.makeText(MainActivity.this, "ROUTINE", Toast.LENGTH_SHORT).show(); checkStat.setChecked(false); checkTat.setChecked(false); } } }); checkTat.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (((CheckBox) v).isChecked()) { checkTat.setChecked(true); Toast.makeText(MainActivity.this, "TAT Effeciency", Toast.LENGTH_SHORT).show(); checkRoutine.setChecked(false); checkStat.setChecked(false); } } }); // listView = (IndexableListView) findViewById(R.id.homelistView); listView = (ListView) findViewById(R.id.homelistView); listView.setTextFilterEnabled(true); listView.setFastScrollEnabled(true); listView.setFastScrollAlwaysVisible(true); objectAdapter = new EfficientAdapter(this); listView.setAdapter(objectAdapter); Button refreshButton = (Button) findViewById(R.id.refreshButton); refreshButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // objectAdapter1 = new EfficientAdapter2(MainActivity.this); objectAdapter = new EfficientAdapter(MainActivity.this);// adapter // with // new // data listView.setAdapter(objectAdapter); Log.i("notifyDataSetChanged", "data updated"); // objectAdapter1.notifyDataSetChanged(); objectAdapter.notifyDataSetChanged(); } }); } @Override public boolean onClose() { return false; } @Override public boolean onQueryTextChange(String newText) { return false; } @Override public boolean onQueryTextSubmit(String query) { return false; } 

}

EfficientAdapter.JAVA

  public class EfficientAdapter extends BaseAdapter implements SectionIndexer { private String mSections = "#ABCDEFGHIJKLMNOPQRSTUVWXYZ"; ArrayList<Patient> 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<Patient>(); for (JsonElement obj : Jarray) { Patient patientList = gson.fromJson(obj, Patient.class); patientListArray.add(patientList); Log.i("patientList", patientListJson); } } /** * sorting the patientListArray data */ public void sortMyData() { // sorting the patientListArray data Collections.sort(patientListArray, new Comparator<Object>() { @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) { Toast.makeText(context, "STAT", Toast.LENGTH_SHORT).show(); Intent next = new Intent(context, Home.class); Log.i("next23", "next"); 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())); ** holder.btnList.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent next=new Intent(context, Home.class); context.startActivity(next); } }); ** 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(); } public int getPositionForSection(int section) { // sorting the patientListArray data sortMyData(); // If there is no item for current section, previous section will be // selected for (int i = section; i >= 0; i--) { for (int j = 0; j < getCount(); j++) { if (i == 0) { // For numeric section for (int k = 0; k <= 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; } public int getSectionForPosition(int position) { return 0; } public Object[] getSections() { String[] sections = new String[mSections.length()]; for (int i = 0; i < mSections.length(); i++) sections[i] = String.valueOf(mSections.charAt(i)); return sections; } } 

Answer 1

First remove btnList, btnScan from your MainActivity class.

In the EfficientAdapter class, add a Context Context object

Change your constructor:

 public EfficientAdapter(Context context) { mInflater = LayoutInflater.from(context); } 

at

 public EfficientAdapter(Context context) { mInflater = LayoutInflater.from(context); this.context=context; } 

In your ViewHolder class, you need to add Button btnList.

Then, in the getview method, find its view using holder.btnList

Then use:

 holder.btnList.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent next=new Intent(context, SeviceDetails.class); context.startActivity(next); } }); 

in your getview method before the inverse.

Answer 2

try it.

 @Override public View getView(final int position, View convertView, ViewGroup parent) { View view = convertView; if (view == null){ LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = inflater.inflate(R.layout.list_layout_ip_addtional_users, null); } //Handle TextView and display string from your list TextView listItemText2 = (TextView)view.findViewById(R.id.list_item_string_name); listItemText2.setText(list.get(position)); ImageButton button8 = (ImageButton) view.findViewById(R.id.ip_additional_user_edit); button8.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(context, IPAdditionalUsersEdit.class); context.startActivity(intent); } }); return view; }