You need to create a new fragment, and add the functionality from the activity’s life cycle to the fragment’s life cycle. For example: your activity’s onCreate()’s code should be implemented in onCreateView() of the fragment, off course you’ll have to change some stuff like inflatting the view and returning it instead of calling setContentView(R.layout.id). Implement … Read more
Giving Some idea how you can achieve this : Write Camera Code Function() which should return Bitmap Create a Bitmap type list ArrayList Camera_Image_List = new ArrayList(); Create your Custom List view which having image and some other control if you want like Call Camera Code Function() when user wants to snap & add bitmap … Read more
Try this : listview.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, final View view, int position, long id) { //your code } }); 1 solved how to listview rows should be clickable? [closed]
Your class member model from class InputTab has never initialized. Therefore, you got a NPE at line model.requery();. That’s why you saved your data, but right after that, you got a NPE. You don’t need any Cursor in this class and, of course, you don’t need to requery() anything. 2 solved Nullpointer Exception in SQL, … Read more
You can send an object as a parameter to another activity if the object implements Parcelable: A typical implementation of Parcelable here Then, to send like parameter, something like this: Intent intent = new Intent(this, DetailMovieActivity.class); intent.putExtra(“key”, movie);//Your object that implements Parcelable startActivity(intent); And in the other activity: Bundle arguments = new Bundle(); Movie movie … Read more
In your Custom Adapter override the getView() method and set the colour in that method. The signature is :- public View getView(int position, View view, ViewGroup parent). position is the position within the list of the view being processed. view is the view (the layout) parent is the ListView The modified view should be returned. … Read more
It sounds like you’re looking for an ExpandableListView (docs here). However, it does not allow the level of nesting that you need. To be honest though, I’d recommend against nesting items that deeply into a ListView setup using only ListViews. It makes navigation of the list items difficult/ messy (not to mention the programming side … Read more
Replace your code with this: public class SubMenu extends AppCompatActivity { JSONObject jsonobject; JSONArray jsonarray; ListView listview; ListViewAdapter adapter; ProgressDialog mProgressDialog; ArrayList<HashMap<String, String>> arraylist; static String RANK = “id”; static String COUNTRY = “name”; static String FLAG = “image”; Integer i = 1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_sub_menu); Toolbar toolbar = (Toolbar) … Read more
If you want to display a spinner for every list item clicked in ListView. Its possible with AlertDialog. Try to create the alert dialog with radio buttons by using this and try this block list.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) { AlertDialogView(); } } And the code for … Read more
Introduction If you are having trouble understanding why your ListView is null, you are not alone. Many developers have encountered this issue and have had difficulty resolving it. This article will provide an overview of the common causes of a null ListView and provide some tips on how to troubleshoot and resolve the issue. We … Read more
so i solved the problem . first of all , just to clear the air up , the list view variable was null when i tried to initialize it with my xml file . my mistake was that i had the listview xml file as a stand alone file , there was no formatting to … Read more
new View.OnClickListener() { public void onClick(View arg0) { EditText edit = (EditText) findViewById(R.id.tskname); Intent i = new Intent(AddTask.this, MainActivity.class); //Bundle bundle = new Bundle(); String TaskName = edit.getText().toString(); //bundle.putString(“NewTask”, TaskName); i.putExtra(“NewTask”, TaskName); i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); //i.putExtras(bundle); startActivity(i); } }); You are starting a new Activity each time you want to add an item. Consider using startActivityForResult() Link … Read more
i suggest you start using Recycler view since it would be easier to do this functionality using it. here is your starting point: RecyclerView RecyclerViewAdapter Creating lists with Custom rows solved How to make a SearchView/filter on a custom ListView and add items in the underlying ArrayList using an EditText? [closed]
The Cursor must include a column named “_id” or this class (CursorAdapter and descendants) will not work. COL_ID should be “_id” or you can try to use a workaround by making alias: String[] allColumns = new String[] { SqlDbHelper.COL_ID + ” AS ” + BaseColumns._ID, … See CursorAdapter 11 solved Android SQLite data display to … Read more
Firstly intialize db then call retrive() method: Replace: retrive(); setListAdapter(adapter); db =new MyDBHandler(MyListActivity.this); To: db =new MyDBHandler(MyListActivity.this); retrive(); setListAdapter(adapter); 2 solved show data in listview from sqlite database in android [closed]