1:  package com.voipplus.mmsclient.customControls;

   2:  

   3:  import android.content.Context;

   4:  import android.content.res.TypedArray;

   5:  import android.util.AttributeSet;

   6:  import android.view.LayoutInflater;

   7:  import android.view.View;

   8:  import android.view.ViewGroup;

   9:  import android.widget.AdapterView;

  10:  import android.widget.ArrayAdapter;

  11:  import android.widget.TextView;

  12:  

  13:  import androidx.appcompat.widget.AppCompatSpinner;

  14:  

  15:  import com.voipplus.mmsclient.R;

  16:  

  17:  public class SpinnerOpen extends AppCompatSpinner {

  18:  

  19:      private String defaultSelectionValue;

  20:  

  21:      public SpinnerOpen(Context context) {

  22:          super(context);

  23:      }

  24:  

  25:      public SpinnerOpen(Context context, AttributeSet attrs) {

  26:          super(context, attrs);

  27:  

  28:          TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.DefaultSpinner);

  29:          defaultSelectionValue = typedArray.getString(R.styleable.DefaultSpinner_defaultSelection);

  30:          typedArray.recycle();

  31:  

  32:          setOnItemSelectedListener(new OnItemSelectedListener() {@Override

  33:          public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {

  34:              // Do nothing here, we only need to set the default selection

  35:          }

  36:  

  37:              @Override

  38:              public void onNothingSelected(AdapterView<?> parent) {

  39:                  // Do nothing here

  40:              }

  41:          });

  42:      }

  43:  

  44:      @Override

  45:      protected void onAttachedToWindow() {

  46:          super.onAttachedToWindow();

  47:          setDefaultSelection();

  48:      }

  49:  

  50:      private void setDefaultSelection() {

  51:          if (defaultSelectionValue != null) {

  52:              Object adapter = getAdapter();

  53:              if (adapter != null) {

  54:                  for (int i = 0; i < getAdapter().getCount(); i++) {

  55:                      Object item = getAdapter().getItem(i);

  56:                      if (defaultSelectionValue.equals(item)) {

  57:                          setSelection(i);

  58:                          break;

  59:                      }

  60:                  }

  61:              }

  62:          }

  63:      }

  64:  

  65:      public static ArrayAdapter<CharSequence> createGenericSpinnerAdapter(Context context, String[] options) {

  66:          return new ArrayAdapter<CharSequence>(context, R.layout.item_spinner, options) {

  67:              @Override

  68:              public View getView(int position, View convertView, ViewGroup parent) {

  69:                  return getCustomView(position, convertView, parent);

  70:              }

  71:  

  72:              @Override

  73:              public View getDropDownView(int position, View convertView, ViewGroup parent) {

  74:                  return getCustomView(position, convertView, parent);

  75:              }

  76:  

  77:              private View getCustomView(int position, View convertView, ViewGroup parent) {

  78:                  View view = convertView;

  79:                  if (view == null) {

  80:                      LayoutInflater inflater = LayoutInflater.from(getContext());

  81:                      view = inflater.inflate(R.layout.item_spinner, parent, false);

  82:                  }

  83:                  TextView textView = view.findViewById(android.R.id.text1);

  84:                  textView.setText(getItem(position));

  85:                  textView.setTag(getItem(position));

  86:                  return view;

  87:              }

  88:          };

  89:      }

  90:  }

  91: