Change app signature to the previous one.

app/build.gradle

@@ -13,7 +13,7 @@ android {
         minSdk 23
         targetSdk 30
         versionCode 1
-        versionName "1.0"
+        versionName "0.1.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -21,8 +21,29 @@ android {
         }
     }
 
-    buildTypes {
+    signingConfigs {
+        debug {
+            storeFile file(project.properties["PIXELIZED_DEBUG_STORE_FILE"])
+            storePassword project.properties["PIXELIZED_DEBUG_STORE_PASSWORD"]
+            keyAlias project.properties["PIXELIZED_DEBUG_KEY_ALIAS"]
+            keyPassword project.properties["PIXELIZED_DEBUG_KEY_PASSWORD"]
+        }
         release {
+            storeFile file(project.properties["PIXELIZED_RELEASE_STORE_FILE"])
+            storePassword project.properties["PIXELIZED_RELEASE_STORE_PASSWORD"]
+            keyAlias project.properties["PIXELIZED_RELEASE_KEY_ALIAS"]
+            keyPassword project.properties["PIXELIZED_RELEASE_KEY_PASSWORD"]
+        }
+    }
+
+    buildTypes {
+        debug {
+            signingConfig signingConfigs.release
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+        release {
+            signingConfig signingConfigs.release
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
@@ -73,6 +94,14 @@ dependencies {
     // ConstraintLayout
     implementation "androidx.constraintlayout:constraintlayout-compose:1.0.0-alpha06"
 
+    // Google sign in.
+    implementation 'com.google.android.gms:play-services-auth:19.0.0'
+
+    // RetroFit & Gson for webservice call
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
+    implementation 'com.google.code.gson:gson:2.8.6'
+
     // Test
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation "androidx.compose.ui:ui-test-junit4:1.0.0-beta06"

app/src/main/java/com/pixelized/biblib/utils/Constant.kt

@@ -1,10 +0,0 @@
-package com.pixelized.biblib.utils
-
-object Constant {
-    const val BASE_URL = "https://bib.bibulle.fr"
-
-    const val THUMBNAIL_URL = "$BASE_URL/api/book/thumbnail"
-    const val COVER_URL = "$BASE_URL/api/book/cover"
-
-    const val REGISTER_URL = "$BASE_URL/signup"
-}