Updated Preferences.kt with new methods and details. Added support fo…

…r emitting state using operator functions. *moved emitting of flow to observe method. * Added a sealed key called Key * Moved basic key implementation to value class.
iZakirSheikh · Nov 20, 2022 · 3648b43 · 3648b43
1 parent 65ae27e
commit 3648b43
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diff --git a/app/build.gradle b/app/build.gradle
@@ -57,6 +57,7 @@ dependencies {
     implementation 'androidx.activity:activity-compose:1.6.1'
     implementation project(path: ':core-ktx')
     implementation project(path: ':compose-ui')
+    implementation project(path: ':preferences')
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.4'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'

diff --git a/app/src/main/java/com/primex/sample/MainActivity.kt b/app/src/main/java/com/primex/sample/MainActivity.kt
@@ -6,52 +6,52 @@ import androidx.activity.compose.setContent
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.material.Button
-import androidx.compose.material.DropdownMenu
-import androidx.compose.material.ExposedDropdownMenuBox
 import androidx.compose.material.Text
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.AddCircle
 import androidx.compose.material.icons.filled.Favorite
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.ExperimentalComposeApi
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.window.Dialog
-import com.primex.core.rememberState
+import com.primex.preferences.IntSaver
+import com.primex.preferences.Preferences
+import com.primex.preferences.get
+import com.primex.preferences.intPreferenceKey
 import com.primex.sample.ui.theme.SampleTheme
-import com.primex.ui.Label
+import com.primex.ui.Button
 import com.primex.ui.Preference
 import com.primex.ui.SliderPreference
-import com.primex.ui.dialog.BottomSheetDialog
+
+
+private val KEY_COUNTER =
+    intPreferenceKey("counter3", defaultValue = true, saver = object : IntSaver<Boolean> {
+        override fun save(value: Boolean): Int = if (value) 1 else 0
+
+        override fun restore(value: Int): Boolean = value != 0
+    })
 
 class MainActivity : ComponentActivity() {
+
+    private lateinit var preferences: Preferences
+
     @OptIn(ExperimentalComposeApi::class)
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        preferences = Preferences(this)
         setContent {
             SampleTheme {
-                var state by rememberState(initial = false)
                 Box(modifier = Modifier.fillMaxSize()) {
 
-                    Button(onClick = { state = !state }) {
-                        Label(text = "Click Me")
-                    }
-
-                    BottomSheetDialog(
-                        expanded = state,
-                        onDismissRequest = { state = false }
-                    ) {
-                        Column {
-                            PreviewPerf()
-                            PreviewPerf()
-                            PreviewPerf()
-                        }
-                    }
+                    val counter by preferences[KEY_COUNTER]
+
+                    Button(label = "$counter", onClick = {
+                        preferences[KEY_COUNTER] = !counter
+                    })
+
                 }
             }
         }