Base64, CustomNavArgUtil and DataStoreUtil added.

Author: Hey-Deepak

helpers/build.gradle.kts

@@ -62,6 +62,9 @@ dependencies {
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+
+    implementation("androidx.datastore:datastore-preferences-core:1.0.0")
+    implementation("com.google.code.gson:gson:2.11.0")
 }
 
 publishing {

helpers/src/main/java/com/streamliners/helpers/Base64Util.kt

@@ -0,0 +1,15 @@
+package com.streamliners.helpers
+
+import android.util.Base64
+
+fun String.encodeToBase64(): String {
+    return String(
+        Base64.encode(toByteArray(), 0)
+    )
+}
+
+fun String.decodeFromBase64(): String {
+    return String(
+        Base64.decode(this, 0)
+    )
+}

helpers/src/main/java/com/streamliners/helpers/CustomNavArgUtil.kt

@@ -0,0 +1,14 @@
+package com.streamliners.helpers
+
+import com.google.gson.Gson
+
+fun encodeArg(arg: Any): String {
+    return Gson().toJson(arg).encodeToBase64()
+}
+
+inline fun <reified T> decodeArg(arg: String): T {
+    return Gson().fromJson(
+        arg.decodeFromBase64(),
+        T::class.java
+    )
+}

helpers/src/main/java/com/streamliners/helpers/DataStoreUtil.kt

@@ -0,0 +1,68 @@
+package com.streamliners.helpers
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.PreferenceDataStoreFactory
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.stringPreferencesKey
+import com.google.gson.Gson
+import kotlinx.coroutines.flow.first
+import java.io.File
+
+class DataStoreUtil(
+    private val dataStore: DataStore<Preferences>
+) {
+
+    companion object {
+        fun create(context: Context): DataStoreUtil {
+            val datastore = PreferenceDataStoreFactory.create {
+                File(context.filesDir, "datastore/App.preferences_pb")
+            }
+            return DataStoreUtil(
+                datastore
+            )
+        }
+    }
+
+
+    /* ----------------- * Normal get/set * ----------------- */
+
+    suspend inline fun <reified T> getData(key: String): T? {
+        val str = getSerializedData(key)
+            ?: return null
+        return Gson().fromJson(str, T::class.java)
+    }
+
+    suspend inline fun <reified T> setData(key: String, value: T) {
+        setSerializedData(key, Gson().toJson(value))
+    }
+
+
+    /* ----------------- * Read-Write from DataStore * ----------------- */
+
+    @PublishedApi
+    internal suspend fun getSerializedData(key: String): String? {
+        return dataStore.data.first()[stringPreferencesKey(key)]
+    }
+
+    @PublishedApi
+    internal suspend fun setSerializedData(key: String, value: String) {
+        dataStore.edit {
+            it[stringPreferencesKey(key)] = value
+        }
+    }
+
+    suspend fun clear() {
+        dataStore.edit {
+            it.clear()
+        }
+    }
+
+    suspend fun removeKey(key: String) {
+        dataStore.edit {
+            it.remove(stringPreferencesKey(key))
+        }
+    }
+
+}