android-listview

How to implement search in CustomListView based on class item of POJO class in Android?

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You want your adapter to implement Filterable. Then override getFilter to perform the search @Override public Filter getFilter() { return new Filter() { @Override protected void publishResults(CharSequence constraint, FilterResults results) { if (results != null && results.count >= 0) { setData(results.values); } else { setData(mPostingData); } notifyDataSetInvalidated(); } @Override protected FilterResults performFiltering(CharSequence constraint) { FilterResults … Read more

How to filter ListView using getFilter() in BaseAdapter

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i hope this example could help you in the Main_Activity EditText etSearch; BaseAdapterFilterable adapter; etSearch.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { // Listview name of the class Listview.this.adapter.getFilter().filter(s); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub } … Read more

Android: Autocomplete TextView Similar To The Facebook App

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First make your EditText into a MultiAutoCompleteTextView. A MultiAutoCompleteTextView allows you to replace certain parts of the text, for example text after ‘@’. The you can do something like this: final MultiAutoCompleteTextView inputEditText = (MultiAutoCompleteTextView) dialog.findViewById(R.id.MyEditText); String[] COUNTRIES = new String[] { “Belgium”, “France”, “Italy”, “Germany”, “Spain” }; ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line, COUNTRIES); … Read more

Reusing views in Android Listview with 2 different layouts

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You need to let the adapter’s view recycler know that there is more than one layout and how to distinguish between the two for each row. Simply override these methods: @Override public int getItemViewType(int position) { // Define a way to determine which layout to use, here it’s just evens and odds. return position % … Read more

How can I update information in an Android Activity from a background Service

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How can I set up my Activity to be listening to the Service? Is this the best way to approach this problem? You have three major options, as I see it: Polling. The Activity periodically asks the Service for the latest data. IMHO, this option sucks, but it’s certainly possible. Callbacks. Per jax’s answer, the … Read more

How to show installed app list in a listview without Checkbox getting unchecked when listview is scrolled?

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Activity import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.content.pm.PackageInfo; import android.os.Bundle; import android.widget.ListView; public class AppScreen extends Activity { private ListView list; ArrayList<Datamodel> res; MyAdapter _adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.app_screen); list = (ListView) findViewById(R.id.list); List<PackageInfo> _myapps = getPackageManager().getInstalledPackages(0); res = new ArrayList<Datamodel>(); for (int i = 0; i < _myapps.size(); i++) … Read more

Help regarding onClick() event on an item of ListView custom row layout

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Please refer this, Me just writing the code to give you idea, Not in correct format class youaddaper extends BaseAdapter{ public View getView(int position, View convertView, ViewGroup parent){ LayoutInflater inflate = LayoutInflater.from(context); View v = inflate.inflate(id, parent, false); ImageView imageview = (ImageView) v.findViewById(R.id.imageView); imageview.setOnClickListener(new imageViewClickListener(position)); //you can pass what ever to this class you want, … Read more

Highlight custom listview item when long click

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using getActivity() is enough setListAdapter(new CustomPasswordsList(getActivity(), titles)); You need to override onItemCheckedStateChanged public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) { final int checkedCount = getListView().getCheckedItemCount(); // get checked items count Drawing from the samples @ android-sdk-linux/samples/android-17/ApiDemos/src/com/example/android/apis/view/List16 Example : Modify the below according to your needs public class MainActivity extends ListActivity { String[] … Read more

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