Several small improvements

- Enable Proguard
- Remove AppCompatActivity

app/build.gradle

@@ -4,6 +4,8 @@ apply plugin: 'kotlin-android-extensions'
 
 android {
     compileSdkVersion 29
+    buildToolsVersion '29.0.2'
+
     defaultConfig {
         applicationId "com.edison.fingerface"
         minSdkVersion 29
@@ -11,18 +13,23 @@ android {
         versionCode 1
         versionName "1.0.0"
     }
+
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+
+    packagingOptions {
+        exclude '/META-INF/*.kotlin_module'
+        exclude '/kotlin/**'
+    }
 }
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     compileOnly 'de.robv.android.xposed:api:82'
 }

app/proguard-rules.pro

@@ -19,3 +19,5 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+
+-keep class com.edison.fingerface.XposedHandler

app/src/main/AndroidManifest.xml

@@ -1,26 +1,37 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="com.edison.fingerface">
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.edison.fingerface">
 
-    <uses-permission android:name="android.permission.USE_BIOMETRIC"/>
+    <uses-permission android:name="android.permission.USE_BIOMETRIC" />
 
     <application
-            android:allowBackup="true"
-            android:icon="@mipmap/ic_launcher"
-            android:label="@string/app_name"
-            android:roundIcon="@mipmap/ic_launcher_round"
-            android:supportsRtl="true"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme"
+        tools:ignore="GoogleAppIndexingWarning">
+
+        <activity
+            android:name=".MainActivity"
             android:theme="@style/AppTheme">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
 
         <meta-data
-                android:name="xposedmodule"
-                android:value="true"/>
+            android:name="xposedmodule"
+            android:value="true" />
         <meta-data
-                android:name="xposeddescription"
-                android:value="Use faceId unlock app which support fingerprint"/>
+            android:name="xposeddescription"
+            android:value="Use faceId unlock app which support fingerprint" />
         <meta-data
-                android:name="xposedminversion"
-                android:value="30"/>
+            android:name="xposedminversion"
+            android:value="30" />
     </application>
 
-</manifest>
+</manifest>

app/src/main/java/com/edison/fingerface/MainActivity.kt

@@ -1,9 +1,9 @@
 package com.edison.fingerface
 
-import androidx.appcompat.app.AppCompatActivity
+import android.app.Activity
 import android.os.Bundle
 
-class MainActivity : AppCompatActivity() {
+class MainActivity : Activity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

app/src/main/res/values/styles.xml

@@ -1,11 +1,11 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+    <style name="AppTheme" parent="android:Theme.Material.Light.DarkActionBar">
         <!-- Customize your theme here. -->
-        <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="colorAccent">@color/colorAccent</item>
+        <item name="android:colorPrimary">@color/colorPrimary</item>
+        <item name="android:colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="android:colorAccent">@color/colorAccent</item>
     </style>
 
 </resources>