(Play) In App Billing

app/build.gradle

@@ -51,8 +51,8 @@ android {
         applicationId "app.simple.inure"
         minSdkVersion 23
         targetSdkVersion 35
-        versionCode 10601
-        versionName "build106.0.1"
+        versionCode 10602
+        versionName "build107.0.0"
         vectorDrawables.useSupportLibrary = true
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
@@ -227,6 +227,7 @@ dependencies {
     implementation 'com.google.android.flexbox:flexbox:3.0.0'
     playImplementation 'com.google.android.play:review:2.0.2'
     playImplementation 'com.google.android.play:review-ktx:2.0.2'
+    playImplementation 'com.android.billingclient:billing-ktx:7.1.1'
 
     // Glide
     implementation 'com.github.bumptech.glide:glide:4.16.0'

app/src/main/AndroidManifest.xml

@@ -20,6 +20,7 @@
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
+    <uses-permission android:name="com.android.vending.BILLING" />
 
     <uses-permission
         android:name="android.permission.GET_APP_OPS_STATS"

app/src/main/assets/html/changelogs.html

@@ -15,7 +15,7 @@ <h1>Change Logs</h1>
 
 <!-- Write change logs here -->
 <sub>(Current Version)</sub>
-<h2>Build106.0.1</h2>
+<h2>Build106.0.2</h2>
 
 <h4>Bug Fixes</h4>
 

app/src/play/java/app/simple/inure/ui/panels/Trial.kt

@@ -0,0 +1,90 @@
+package app.simple.inure.ui.panels
+
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import app.simple.inure.R
+import app.simple.inure.constants.Warnings
+import app.simple.inure.decorations.ripple.DynamicRippleTextView
+import app.simple.inure.decorations.typeface.TypeFaceTextView
+import app.simple.inure.extensions.fragments.ScopedFragment
+import app.simple.inure.preferences.SharedPreferences.registerEncryptedSharedPreferencesListener
+import app.simple.inure.preferences.SharedPreferences.unregisterEncryptedSharedPreferencesListener
+import app.simple.inure.preferences.TrialPreferences
+import app.simple.inure.util.DateUtils.toDate
+
+class Trial : ScopedFragment() {
+
+    private lateinit var title: TypeFaceTextView
+    private lateinit var purchase: DynamicRippleTextView
+    private lateinit var daysLeft: TypeFaceTextView
+    private lateinit var validTill: TypeFaceTextView
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view = inflater.inflate(R.layout.fragment_trial_screen, container, false)
+
+        title = view.findViewById(R.id.trial_title)
+        purchase = view.findViewById(R.id.purchase)
+        daysLeft = view.findViewById(R.id.days_left)
+        validTill = view.findViewById(R.id.valid_till)
+
+        return view
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        startPostponedEnterTransition()
+        validTill.text = getValidTill()
+
+        if (TrialPreferences.getDaysLeft() == -1) {
+            title.text = Warnings.getAppIntegrityFailedWarning()
+        }
+
+        daysLeft.text = getString(R.string.days_trial_period_remaining, TrialPreferences.getDaysLeft())
+
+        purchase.setOnClickListener {
+
+        }
+    }
+
+    private fun getValidTill(): String {
+        return TrialPreferences.getFirstLaunchDate().plus(86_400_000L * 15L).toDate()
+    }
+
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+        super.onSharedPreferenceChanged(sharedPreferences, key)
+        when (key) {
+            TrialPreferences.HAS_LICENSE_KEY -> {
+                if (TrialPreferences.isFullVersion()) {
+                    requireActivity().runOnUiThread {
+                        validTill.text = getString(R.string.full_version_activated)
+                        daysLeft.text = getString(R.string.days_trial_period_remaining, 0)
+                    }
+                }
+            }
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        registerEncryptedSharedPreferencesListener(this)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        unregisterEncryptedSharedPreferencesListener(this)
+    }
+
+    companion object {
+        fun newInstance(): Trial {
+            val args = Bundle()
+            val fragment = Trial()
+            fragment.arguments = args
+            return fragment
+        }
+
+        const val TAG = "Trial"
+    }
+}