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package com.codingwithmitch.coroutineexamples
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import kotlinx.android.synthetic.main.activity_main.*
import kotlinx.coroutines.*
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
button.setOnClickListener {
setTextOnMainThread("Click!")
fakeApiRequest()
}
}
fun setTextOnMainThread(input: String){
CoroutineScope(Dispatchers.Main)
.launch { withContext(Dispatchers.Main){
val newText = text.text.toString() + "\n${input}"
text.setText(newText)
} }
}
fun fakeApiRequest(){
CoroutineScope(Dispatchers.IO)
.launch{ withContext(Dispatchers.IO){
val result1 = getResult1FromApi()
if(result1.equals("Result #1")) {
setTextOnMainThread("Got Result #1")
val result2 = getResult2FromApi()
if(result2.equals("Result #2")){
setTextOnMainThread("Got Result #2")
}
else{
setTextOnMainThread("Couldn't get Result #2")
}
}
else{
setTextOnMainThread("Couldn't get Result #1")
}
} }
}
suspend fun getResult1FromApi(): String{
delay(2000)
return "Result #1"
}
suspend fun getResult2FromApi(): String{
delay(1000)
return "Result #2"
}
}
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