Text box value not updating properly according to the change in spinner value (and i have tried most of the methods in stackoverflow)

Question

There is a spinner in MainActivity and 1 text box in fragment. My task is to change the value of text box according to the recently selected spinner value. My code works well, but the textbox changes its state only after 2 swipes. I don't know why this lagging happening. Help me out (Before downvoting kindly say some solutions)

Here is my code in main activity

spinner = (Spinner)findViewById(R.id.spinner2);
final ArrayAdapter&lt;String&gt; dataAdapter1 = new ArrayAdapter&lt;&gt;(this,android.R.layout.simple_spinner_item,array2);
dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(dataAdapter1);
spinner.invalidate();

spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
    @Override
    public void onItemSelected(AdapterView&lt;?&gt; parent, View view, int position, long id) {
        //dataAdapter1.notifyDataSetChanged();
        Toast.makeText(getApplicationContext(),"well",Toast.LENGTH_LONG).show();
        String pos = (String) spinner.getSelectedItem();
        SharedPreferences sharedPref = getSharedPreferences("Mode", Activity.MODE_PRIVATE);
        SharedPreferences.Editor prefEditor = sharedPref.edit();
        prefEditor.putString("userChoicemode", pos);
        prefEditor.commit();
    }
    @Override
    public void onNothingSelected(AdapterView&lt;?&gt; parent) {
    }
});

My fragment code :

final TextView modeselect = (TextView) view.findViewById(R.id.pass);

final SharedPreferences sharedPref = this.getActivity().getSharedPreferences("Mode", Activity.MODE_PRIVATE);
String get = sharedPref.getString("userChoicemode",selected);

modeselect.setText("" + get);

On `spinner.setOnItemSelectedListener` rewrite in `TextView` — Dipali Shah, Sep 12 '17 at 06:53
this question is duplicate- https://stackoverflow.com/q/46153887/7230266 — Shashwat Gupta, Sep 12 '17 at 06:54
@shshwat there is no answer there.i have tried all those moethods in that duplicate — Sash reek, Sep 12 '17 at 06:59
Possible duplicate of [How to dynamically change the text box value according to the recently selected spinner value?](https://stackoverflow.com/questions/46153887/how-to-dynamically-change-the-text-box-value-according-to-the-recently-selected) — Shashwat Gupta, Sep 12 '17 at 07:19
@ShashwatGupta bro i have tried all those methods in that question already....its different — Sash reek, Sep 12 '17 at 07:29
final TextView modeselect = (TextView) view.findViewById(R.id.pass); final SharedPreferences sharedPref = this.getActivity().getSharedPreferences("Mode", Activity.MODE_PRIVATE); String get = sharedPref.getString("userChoicemode",selected); modeselect.setText("" + get); put this code in setUserVisibleHint() override method of your fragment — Shashwat Gupta, Sep 12 '17 at 07:31
can you edit my code and post as your answer ??? @ShashwatGupta — Sash reek, Sep 12 '17 at 09:18

score 0 · Accepted Answer · answered Sep 12 '17 at 10:09

0

In your fragment

 @Override
public void setUserVisibleHint(boolean isVisibleToUser) {
    try {
        if (isVisibleToUser) {
            final TextView modeselect = (TextView) view.findViewById(R.id.pass);

final SharedPreferences sharedPref = this.getActivity().getSharedPreferences("Mode", Activity.MODE_PRIVATE);
String get = sharedPref.getString("userChoicemode",selected);

modeselect.setText("" + get);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    super.setUserVisibleHint(isVisibleToUser);
}

just add this override method into your fragment and put the value of selected spinner item in text view of fragment in this method. your inflated view should be declared globally

answered Sep 12 '17 at 10:09

Shashwat Gupta

876
9
22

but one more problem bro...it changes only on swiping.i want to change my textbox value immediately after i change the spinner value – Sash reek Sep 12 '17 at 11:44
just put the code that sets value to your text view in a method and from your activity when on item selected call that method ExampleFragment fragment = (ExampleFragment) getFragmentManager().findFragmentById(R.id.example_fragment); fragment.(); – Shashwat Gupta Sep 12 '17 at 13:34

Text box value not updating properly according to the change in spinner value (and i have tried most of the methods in stackoverflow)

1 Answers1