Android(安卓)Kotlin Activity笔记

使用Anko，简化代码

build.gradle 依赖 ankoimplementation 'org.jetbrains.anko:anko-common:+'

import android.support.v7.app.AppCompatActivityimport android.os.Bundleimport android.view.Viewimport kotlinx.android.synthetic.main.activity_main.*import org.jetbrains.anko.toastclass MainActivity : AppCompatActivity(), View.OnClickListener {    override fun onCreate(savedInstanceState: Bundle?) {        super.onCreate(savedInstanceState)        setContentView(R.layout.activity_main)        btn.text ="按钮1"        btn.setOnClickListener(this)        btn2.setOnClickListener(this)    }    override fun onClick(view: View) {        val id = view.id        when (id) {            R.id.btn -> btnClick()            R.id.btn2 ->{                toast("按钮2点击")            }            else -> {            }        }    }    fun btnClick() {        toast("按钮点击")    }}

2.页面跳转

 val intent = Intent(this@MainActivity,PayssionActivity::class.java) startActivity(intent)

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