consolidate into main view model

@@ -42,6 +42,7 @@ dependencies {
     api "androidx.lifecycle:lifecycle-common-java8:${versions.androidx_lifecycle}"
     api "com.google.protobuf:protobuf-java:${versions.protobuf}"
     api project(":livekit-android-sdk")
+    implementation 'androidx.preference:preference-ktx:1.1.1'
     // debugImplementation because LeakCanary should only run in debug builds.
     debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.8.1'
     testImplementation 'junit:junit:4.+'

+package io.livekit.android.sample
+
+import android.app.Application
+import androidx.core.content.edit
+import androidx.lifecycle.AndroidViewModel
+import androidx.preference.PreferenceManager
+
+class MainViewModel(application: Application) : AndroidViewModel(application) {
+
+    private val preferences = PreferenceManager.getDefaultSharedPreferences(application)
+
+    fun getSavedUrl() = preferences.getString(PREFERENCES_KEY_URL, URL) as String
+    fun getSavedToken() = preferences.getString(PREFERENCES_KEY_TOKEN, TOKEN) as String
+
+    fun setSavedUrl(url: String) {
+        preferences.edit {
+            putString(PREFERENCES_KEY_URL, url)
+        }
+    }
+
+    fun setSavedToken(token: String) {
+        preferences.edit {
+            putString(PREFERENCES_KEY_TOKEN, token)
+        }
+    }
+
+    fun reset() {
+        preferences.edit { clear() }
+    }
+
+    companion object {
+        private const val PREFERENCES_KEY_URL = "url"
+        private const val PREFERENCES_KEY_TOKEN = "token"
+
+        const val URL = "ws://192.168.11.5:7880"
+        const val TOKEN =
+            "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE2NDUyNDU1ODEsImlzcyI6IkFQSVNRdmdrYWJZdXFUQSIsImp0aSI6InBob25lIiwibmJmIjoxNjQyNjUzNTgxLCJzdWIiOiJwaG9uZSIsInZpZGVvIjp7InJvb20iOiJteXJvb20iLCJyb29tSm9pbiI6dHJ1ZX19.JLJgQoCdPCTELJYsEhWGOiBuLl3eoZksWyAl08tJqLg" //nocommit
+    }
+}
\ No newline at end of file

@@ -63,7 +63,6 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:${versions.androidx_lifecycle}"
     implementation "androidx.lifecycle:lifecycle-common-java8:${versions.androidx_lifecycle}"
     implementation 'androidx.activity:activity-compose:1.3.1'
-    implementation 'androidx.preference:preference-ktx:1.1.1'
     implementation 'com.google.accompanist:accompanist-pager:0.19.0'
     implementation 'com.google.accompanist:accompanist-pager-indicators:0.19.0'
     implementation deps.timber

@@ -8,6 +8,7 @@ import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.viewModels
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.*
@@ -18,24 +19,22 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.core.content.ContextCompat
-import androidx.core.content.edit
-import androidx.preference.PreferenceManager
 import com.google.accompanist.pager.ExperimentalPagerApi
 import io.livekit.android.composesample.ui.theme.AppTheme
+import io.livekit.android.sample.MainViewModel
 
 @ExperimentalPagerApi
 class MainActivity : ComponentActivity() {
+
+    val viewModel by viewModels<MainViewModel>()
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         requestPermissions()
-        val preferences = PreferenceManager.getDefaultSharedPreferences(this)
-        val defaultUrl = preferences.getString(PREFERENCES_KEY_URL, URL) as String
-        val defaultToken = preferences.getString(PREFERENCES_KEY_TOKEN, TOKEN) as String
         setContent {
             MainContent(
-                defaultUrl = defaultUrl,
-                defaultToken = defaultToken,
+                defaultUrl = viewModel.getSavedUrl(),
+                defaultToken = viewModel.getSavedToken(),
                 onConnect = { url, token ->
                     val intent = Intent(this@MainActivity, CallActivity::class.java).apply {
                         putExtra(
@@ -49,10 +48,8 @@ class MainActivity : ComponentActivity() {
                     startActivity(intent)
                 },
                 onSave = { url, token ->
-                    preferences.edit {
-                        putString(PREFERENCES_KEY_URL, url)
-                        putString(PREFERENCES_KEY_TOKEN, token)
-                    }
+                    viewModel.setSavedUrl(url)
+                    viewModel.setSavedToken(token)
 
                     Toast.makeText(
                         this@MainActivity,
@@ -61,9 +58,7 @@ class MainActivity : ComponentActivity() {
                     ).show()
                 },
                 onReset = {
-                    preferences.edit {
-                        clear()
-                    }
+                    viewModel.reset()
                     Toast.makeText(
                         this@MainActivity,
                         "Values reset.",
@@ -80,8 +75,8 @@ class MainActivity : ComponentActivity() {
     )
     @Composable
     fun MainContent(
-        defaultUrl: String = URL,
-        defaultToken: String = TOKEN,
+        defaultUrl: String = MainViewModel.URL,
+        defaultToken: String = MainViewModel.TOKEN,
         onConnect: (url: String, token: String) -> Unit = { _, _ -> },
         onSave: (url: String, token: String) -> Unit = { _, _ -> },
         onReset: () -> Unit = {},
@@ -130,9 +125,9 @@ class MainActivity : ComponentActivity() {
 
                     Spacer(modifier = Modifier.height(20.dp))
                     Button(onClick = {
-                        url = URL
-                        token = TOKEN
                         onReset()
+                        url = MainViewModel.URL
+                        token = MainViewModel.TOKEN
                     }) {
                         Text("Reset Values")
                     }
@@ -170,11 +165,4 @@ class MainActivity : ComponentActivity() {
         }
     }
 
-    companion object {
-        const val PREFERENCES_KEY_URL = "url"
-        const val PREFERENCES_KEY_TOKEN = "token"
-
-        const val URL = "wss://www.example.com"
-        const val TOKEN = ""
-    }
 }

@@ -41,7 +41,6 @@ dependencies {
     implementation "androidx.core:core-ktx:${versions.androidx_core}"
     implementation "androidx.activity:activity-ktx:1.4.0"
     implementation 'androidx.fragment:fragment-ktx:1.3.6'
-    implementation 'androidx.preference:preference:1.1.1'
     implementation "androidx.viewpager2:viewpager2:1.0.0"
     implementation "androidx.lifecycle:lifecycle-runtime-ktx:${versions.androidx_lifecycle}"
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:${versions.androidx_lifecycle}"

@@ -7,23 +7,22 @@ import android.os.Bundle
 import android.text.SpannableStringBuilder
 import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
-import androidx.core.content.edit
-import androidx.preference.PreferenceManager
 import io.livekit.android.sample.databinding.MainActivityBinding
 
 
 class MainActivity : AppCompatActivity() {
 
+    val viewModel by viewModels<MainViewModel>()
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         val binding = MainActivityBinding.inflate(layoutInflater)
 
-        val preferences = PreferenceManager.getDefaultSharedPreferences(this)
-        val urlString = preferences.getString(PREFERENCES_KEY_URL, URL)
-        val tokenString = preferences.getString(PREFERENCES_KEY_TOKEN, TOKEN)
+        val urlString = viewModel.getSavedUrl()
+        val tokenString = viewModel.getSavedToken()
         binding.run {
             url.editText?.text = SpannableStringBuilder(urlString)
             token.editText?.text = SpannableStringBuilder(tokenString)
@@ -42,10 +41,9 @@ class MainActivity : AppCompatActivity() {
             }
 
             saveButton.setOnClickListener {
-                preferences.edit {
-                    putString(PREFERENCES_KEY_URL, url.editText?.text.toString())
-                    putString(PREFERENCES_KEY_TOKEN, token.editText?.text.toString())
-                }
+
+                viewModel.setSavedUrl(url.editText?.text?.toString() ?: "")
+                viewModel.setSavedToken(token.editText?.text?.toString() ?: "")
 
                 Toast.makeText(
                     this@MainActivity,
@@ -55,11 +53,9 @@ class MainActivity : AppCompatActivity() {
             }
 
             resetButton.setOnClickListener {
-                preferences.edit {
-                    clear()
-                }
-                url.editText?.text = SpannableStringBuilder(URL)
-                token.editText?.text = SpannableStringBuilder(TOKEN)
+                viewModel.reset()
+                url.editText?.text = SpannableStringBuilder(MainViewModel.URL)
+                token.editText?.text = SpannableStringBuilder(MainViewModel.TOKEN)
 
                 Toast.makeText(
                     this@MainActivity,
@@ -103,13 +99,4 @@ class MainActivity : AppCompatActivity() {
             requestPermissionLauncher.launch(neededPermissions)
         }
     }
-
-    companion object {
-        const val PREFERENCES_KEY_URL = "url"
-        const val PREFERENCES_KEY_TOKEN = "token"
-
-        const val URL = "wss://livekit.watercooler.fm"
-        const val TOKEN =
-            "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE5ODQyMzE0OTgsImlzcyI6IkFQSU1teGlMOHJxdUt6dFpFb1pKVjlGYiIsImp0aSI6ImZvcnRoIiwibmJmIjoxNjI0MjMxNDk4LCJ2aWRlbyI6eyJyb29tIjoibXlyb29tIiwicm9vbUpvaW4iOnRydWV9fQ.PVx_lXAIGxcD2VRslosrbkigc777GXbu-DQME8hjJKI"
-    }
 }
\ No newline at end of file