Launch

SearchActivity.kt

package no.vinmonopolet.searc

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import kotlinx.android.synthetic.main.activity_search.*

const val SEARCH_QUERY_STRING= "SEARCH_QUERY_STRING"
class SearchActivity : AppCompatActivity() {
    companion object {
        fun launch(fromActivity: Activity, query: String?){
            val intent = Intent(fromActivity, SearchActivity::class.java)
            query.let { intent.putExtra(SEARCH_QUERY_STRING, query) }
            fromActivity.startActivity(intent)
        }
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_search)
        setSupportActionBar(toolbar)
        supportActionBar?.setDisplayHomeAsUpEnabled(true)
        supportActionBar?.setHomeButtonEnabled(true)
    }
}