Android spinner populating using arraylist

Question

im to populate spinner using arraylist , and that arraylist actully holds data from the file having android application data stored already for t=my application, im pasting the

Answer 1

private void setSpinner() {
    spinner = (Spinner) findViewById(R.id.spinner_size);

    Intent intent = getIntent();

    ArrayList sizes = null;

    if (intent != null) {
      // Receiving ArrayList in Another Activity where "sizeList" is the Key
        sizes = intent.getStringArrayListExtra("SizeList");
    }

    if (sizes != null) {

        ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, sizes);

        spinner.setAdapter(adapter);

        // Spinner click listener
        spinner.setOnItemSelectedListener(this);
    }


}

Call setSpinner() method from OnCreate() Method. You can directly pass ArrayList as a parameter, you don't need to convert into String[].