Whenever you use Activity you set your_layout.xml as your Activity‘s ContentView. So the ListView should b in your_layout.xml. That ListView should have an id attribute defined in xml file say: (android:id=”@+id/list”). You get your ListView object some thing like this way: setContentView(R.layout.your_layout); ListView list = (ListView)findViewById(R.id.list); list.addFooterView(view); And when you use ListActivity you get your … Read more
The first thing what you have to note here is, whenever there are Clickable elements like Buttons or ImageButtons present in your ListView element, they take the control of click events. And so your ListView won’t get the chance to accept the click event. What you simply have to do is, set the focusable attribute … Read more
findViewById() only works to find subviews of the object View. It will not work on a layout id. You’ll have to use layout inflater to convert the xml to it’s corresponding View components. Something like this: ListView lv = getListView(); LayoutInflater inflater = getLayoutInflater(); View header = inflater.inflate(R.layout.header, lv, false); lv.addHeaderView(header, null, false); I’m not … Read more
Call requery() on the Cursor when you change data in the database that you want reflected in that Cursor (or things the Cursor populates, like a ListView via a CursorAdapter). A Cursor is akin to an ODBC client-side cursor — it holds all of the data represented by the query result. Hence, just because you … Read more
ListView has a built in type management system. In your adapter, you have several types of items, each with their own view and layout. By overriding getItemViewType to return the data type of a given position, ListView is garunteed to pass in the correct convertview for that type of data. Then, in your getView method … Read more
Try this: public View getView(int position, View convertView, ViewGroup parent) { if (null == convertView) { LinearLayout view = (LinearLayout) LinearLayout.inflate(this.context, R.layout.message, null); Log.d(“SeenDroid”, String.format(“Get view %d”, position)); TextView title = new TextView(view.getContext()); title.setText(this.items.get(position).getTitle()); view.addView(title); return view; } else { LinearLayout view = (LinearLayout) convertView; TextView title = (TextView) view.getChildAt(0); title.setText(this.items.get(position).getTitle()); return convertView; } } … Read more
I had the same problem and I didn’t find my answer here. I wanted to detect a swipe action in ListView item and mark it as swiped, while continue to support OnItemClick and OnItemLongClick. Here is me solution: 1st The SwipeDetector class: import android.util.Log; import android.view.MotionEvent; import android.view.View; public class SwipeDetector implements View.OnTouchListener { public … Read more
Here is a simple example using a TabLayout and a RecyclerView with a CardView in each row. First, MainActivity, which sets up the ViewPager and TabLayout: public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); // Get the ViewPager and set it’s PagerAdapter so … Read more