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package com.sample.android_sample_preference_datastore.proto
import android.content.Context
import android.os.Bundle
import android.view.View
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.ContextCompat
import androidx.datastore.core.DataStore
import androidx.datastore.dataStore
import androidx.lifecycle.lifecycleScope
import com.sample.android_sample_preference_datastore.R
import com.sample.android_sample_preference_datastore.UserStore
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
class ProtoSampleActivity: AppCompatActivity() {
private val DATA_STORE_FILE_NAME = "user_store.pb"
val Context.userDataStore: DataStore<UserStore> by dataStore(
fileName = DATA_STORE_FILE_NAME,
serializer = UserStoreSerializer
)
private var userRepo : ProtoUserRepo?=null
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
userRepo = ProtoUserRepoImpl( userDataStore)
initListeners()
setDataToUI()
}
private fun setDataToUI() {
lifecycleScope.launch {
userRepo?.getUserLoggedInState()?.collect {state->
withContext(Dispatchers.Main) {
updateUI(state)
}
}
}
}
private fun updateUI(state: Boolean) {
findViewById<TextView>(R.id.txt_login_status)?.text =
"User Logged-in state ${state}"
if(state){
findViewById<View>(R.id.parent_layout)?.setBackgroundColor(ContextCompat.getColor(this,R.color.purple_200))
}else{
findViewById<View>(R.id.parent_layout)?.setBackgroundColor(ContextCompat.getColor(this,R.color.design_default_color_secondary))
}
}
private fun initListeners() {
findViewById<View>(R.id.btn_login)?.setOnClickListener {
lifecycleScope.launch {
userRepo?.saveUserLoggedInState(true)
}
}
findViewById<View>(R.id.btn_logout)?.setOnClickListener {
lifecycleScope.launch {
userRepo?.saveUserLoggedInState(false)
}
}
}
}
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