spinner – Page 6 – Tarik Billa

How to set selected item of Spinner by value, not by position?

September 27, 2022 by Tarik

Suppose your Spinner is named mSpinner, and it contains as one of its choices: “some value”. To find and compare the position of “some value” in the Spinner use this: String compareValue = “some value”; ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.select_state, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); mSpinner.setAdapter(adapter); if (compareValue != null) { int spinnerPosition = adapter.getPosition(compareValue); mSpinner.setSelection(spinnerPosition); }

How to show loading spinner in jQuery?

September 18, 2022 by Tarik

There are a couple of ways. My preferred way is to attach a function to the ajaxStart/Stop events on the element itself. $(‘#loadingDiv’) .hide() // Hide it initially .ajaxStart(function() { $(this).show(); }) .ajaxStop(function() { $(this).hide(); }) ; The ajaxStart/Stop functions will fire whenever you do any Ajax calls. Update: As of jQuery 1.8, the documentation … Read more

How to keep onItemSelected from firing off on a newly instantiated Spinner?

September 18, 2022 by Tarik

The use of Runnables is completely incorrect. Use setSelection(position, false); in the initial selection before setOnItemSelectedListener(listener) This way you set your selection with no animation which causes the on item selected listener to be called. But the listener is null so nothing is run. Then your listener is assigned. So follow this exact sequence: Spinner … Read more

Android Spinner: Get the selected item change event

September 17, 2022 by Tarik

Some of the previous answers are not correct. They work for other widgets and views, but the documentation for the Spinner widget clearly states: A spinner does not support item click events. Calling this method will raise an exception. Better use OnItemSelectedListener() instead: spinner.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, … Read more

Set selected item of spinner programmatically

September 16, 2022 by Tarik

Use the following: spinnerObject.setSelection(INDEX_OF_CATEGORY2).

How to change spinner text size and text color?

September 14, 2022 by Tarik

Make a custom XML file for your spinner item. spinner_item.xml: Give your customized color and size to text in this file. <?xml version=”1.0″ encoding=”utf-8″?> <TextView xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”match_parent” android:layout_height=”wrap_content” android:textSize=”20sp” android:gravity=”left” android:textColor=”#FF0000″ android:padding=”5dip” /> Now use this file to show your spinner items like: ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.spinner_item,list); You don’t need to set the … Read more