Я новичок здесь и мне нужна помощь.
Это мой код.
активность
class ProfileActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_profile)
var adapter: PagerAdapter = IntroSliderAdapter(applicationContext)
viewpager.adapter = adapter
}
Адаптер
class IntroSliderAdapter(var context: Context) : PagerAdapter() {
lateinit var inflater: LayoutInflater
var texts: Array<Int> = arrayOf(R.string.intro_text1,R.string.intro_text2,R.string.intro_text3)
override fun isViewFromObject(view: View, `object`: Any): Boolean = view == `object` as ConstraintLayout
override fun getCount(): Int = texts.size
override fun instantiateItem(container: ViewGroup, position: Int): Any {
inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
var view: View = inflater.inflate(R.layout.intro_slider, container, false)
Log.i("INFO", "View: " + view.toString())
Log.i("INFO", "Container:" + container.toString())
container!!.addView(view)
return view
}
override fun destroyItem(container: ViewGroup, position: Int, `object`: Any) {
container!!.removeView(`object` as ConstraintLayout)
}
макет активности
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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:id="@+id/profileContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/background"
tools:context=".ProfileActivity">
<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v4.view.ViewPager>
</RelativeLayout>
макет слайдера
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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"
android:id="@+id/introLayout">
<ImageView
android:id="@+id/mainLogo"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_marginStart="8dp"
android:layout_marginTop="36dp"
android:layout_marginEnd="8dp"
android:contentDescription="@string/app_name"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/logo" />
<TextView
android:id="@+id/introText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Test text"
...
</android.support.constraint.ConstraintLayout>
Как я понял, inflater.inflate (R.layout.intro_slider, container, false) должен нажать на содержимое intro_slider.xml для просмотра, но когда я запускаю свое приложение, я вижу только пустые слайды. Пожалуйста, помогите мне понять, почему это происходит.