app/src/main/java/note/internship/firebasepetproject/MainActivity.kt - master - akrilly/Firebase-Remote-Config

app/src/main/java/note/internship/firebasepetproject/MainActivity.kt
121 строка4 KB
Ясунов Владислав
Init commit
07 апр 2026, 16:29
07 апр 2026, 16:29454e7eb
package note.internship.firebasepetproject

import android.os.Bundle
import android.text.Layout
import android.util.Log
import android.widget.Toast
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.material3.Text
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.getValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Alignment.Companion
import androidx.compose.ui.Modifier
import androidx.compose.ui.text.style.LineHeightStyle
import com.google.firebase.Firebase
import com.google.firebase.remoteconfig.ConfigUpdate
import com.google.firebase.remoteconfig.ConfigUpdateListener
import com.google.firebase.remoteconfig.FirebaseRemoteConfig
import com.google.firebase.remoteconfig.FirebaseRemoteConfigException
import com.google.firebase.remoteconfig.get
import com.google.firebase.remoteconfig.remoteConfig
import com.google.firebase.remoteconfig.remoteConfigSettings
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.asStateFlow
import note.internship.firebasepetproject.ui.theme.FirebasePetProjectTheme

class MainActivity : ComponentActivity() {

	private var remoteConfig: FirebaseRemoteConfig? = null
	private val text: MutableStateFlow<String> = MutableStateFlow("no message")
	override fun onCreate(savedInstanceState: Bundle?) {
		super.onCreate(savedInstanceState)
		enableEdgeToEdge()
		setUpFirebase()
		fetchWelcome()
		setContent {
			val welcomeMessage by text.collectAsState()
			FirebasePetProjectTheme {
				Box(
					contentAlignment = Alignment.Center,
					modifier = Modifier.fillMaxSize(),
				) {
					Text(text = welcomeMessage, modifier = Modifier.align(Alignment.Center))
				}

			}
		}
	}

	private fun setUpFirebase() {
		remoteConfig = Firebase.remoteConfig
		val configSettings = remoteConfigSettings {
			minimumFetchIntervalInSeconds = FETCH_MINIMUM_INTERVAL_IN_SEC

		}
		remoteConfig
			?.setDefaultsAsync(/* resourceId = */ R.xml.remote_config_defaults)
			?.addOnCompleteListener { updateWelcomeText() }

		remoteConfig?.setConfigSettingsAsync(/* settings = */ configSettings)
		remoteConfig?.addOnConfigUpdateListener(object : ConfigUpdateListener {
			override fun onUpdate(configUpdate: ConfigUpdate) {
				Log.d(/* tag = */ TAG, /* msg = */ "Updated keys: " + configUpdate.updatedKeys)

				if (configUpdate.updatedKeys.contains(WELCOME_MESSAGE_KEY)) {
					remoteConfig?.activate()?.addOnCompleteListener {
						updateWelcomeText()
					}
				}
			}

			override fun onError(error: FirebaseRemoteConfigException) {
				Log.w(/* tag = */ TAG, /* msg = */ "Config update error with code: " + error.code, /* tr = */ error)
			}
		})
	}

	private fun fetchWelcome() {
		remoteConfig?.fetchAndActivate()
			?.addOnCompleteListener(this@MainActivity) { task ->
				if (task.isSuccessful) {
					val updated = task.result
					Log.d(/* tag = */ TAG, /* msg = */ "Config params updated: $updated")
					Toast.makeText(
						/* context = */ this.baseContext!!,
						/* text = */ "Fetch and activate succeeded",
						/* duration = */ Toast.LENGTH_SHORT,
					).show()
				} else {
					Toast.makeText(
						/* context = */ this.baseContext!!,
						/* text = */ "Fetch failed",
						/* duration = */ Toast.LENGTH_SHORT,
					).show()
				}

			}

	}

	private fun updateWelcomeText() {
		// Безопасно получаем строку из конфига (вернет дефолтную или серверную)
		val message = remoteConfig?.getString(WELCOME_MESSAGE_KEY) ?: "no message"
		text.value = message
	}

	companion object {

		private const val TAG = "MainActivity"

		// Remote Config keys
		private const val FETCH_MINIMUM_INTERVAL_IN_SEC = 3600L
		private const val WELCOME_MESSAGE_KEY = "welcome_message"
	}

}