arrays.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="protocols">
<item>ONE</item>
</string-array>
</resources>
item_spinner.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<TextView
android:id="@+id/txt_name"
android:layout_width="0dp"
android:layout_height="wrap_content"
tools:ignore="MissingConstraints" />
</androidx.constraintlayout.widget.ConstraintLayout>
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<LinearLayout android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Spinner android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/spinner"/>
<Button android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/ok"
android:text="OK"/>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
MainActivity.kt
class MainActivity : AppCompatActivity(), View.OnClickListener {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
val btnOk = findViewById<Button>(R.id.ok)
btnOk.setOnClickListener(this)
val spinner:Spinner = findViewById<Spinner>(R.id.spinner)
val sData = resources.getStringArray(R.array.protocols)
var adapter = ArrayAdapter<String>(this, R.layout.item_spinner, sData)
spinner.adapter = adapter
}
override fun onClick(v: View) {
}
}
spinner.adapter = adapter 이부분에서 계속 앱이 크래쉬됩니다. 도와주세요..