Base Android Project - BaseFragmentActivity

BaseFragmentActivity.kt

abstract class BaseFragmentActivity : AppCompatActivity() {

    private var unbinder: Unbinder? = null

    @get:LayoutRes protected abstract val contentView: Int

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(contentView)
        unbinder = ButterKnife.bind(this)
    }

    override fun onDestroy() {
        unbinder?.unbind()
        super.onDestroy()
    }
}