Enable minification for release builds

mastodon/build.gradle

@@ -10,14 +10,15 @@ android {
 		applicationId "org.joinmastodon.android"
 		minSdk 23
 		targetSdk 31
-		versionCode 16
+		versionCode 17
 		versionName "0.1"
 	}
 
 	buildTypes {
 		release {
-			minifyEnabled false
+			minifyEnabled true
-			proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+			shrinkResources true
+			proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
 		}
 		debug{
 			debuggable true
@@ -25,6 +26,7 @@ android {
 		appcenterPrivateBeta{
 			initWith release
 			minifyEnabled false
+			shrinkResources false
 			versionNameSuffix "-priv-beta"
 		}
 		appcenterPublicBeta{

mastodon/proguard-rules.pro

@@ -18,4 +18,24 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
+#-renamesourcefileattribute SourceFile
+
+# Keep all model classes as they're used with gson and their names are shown in errors
+-keep public class org.joinmastodon.android.model.**{
+	<fields>;
+}
+
+# Inner classes in api requests are used with gson
+-keepclassmembers class org.joinmastodon.android.api.**$*{
+	*;
+}
+
+# Keep all enums for debugging purposes
+-keepnames public enum * {
+	*;
+}
+
+-keepclassmembers,allowobfuscation class * {
+  @com.google.gson.annotations.SerializedName <fields>;
+  @com.squareup.otto.Subscribe <methods>;
+}

mastodon/src/main/res/layout/fragment_profile.xml

@@ -204,6 +204,7 @@
 						android:background="@drawable/edit_text_border"
 						android:inputType="textPersonName|textCapWords"
 						android:visibility="gone"
+						android:elevation="0dp"
 						tools:text="Eugen" />
 
 					<EditText
@@ -218,6 +219,7 @@
 						android:background="@drawable/edit_text_border"
 						android:inputType="textMultiLine|textCapSentences"
 						android:visibility="gone"
+						android:elevation="0dp"
 						tools:text="Founder, CEO and lead developer @Mastodon, Germany." />
 
 				</RelativeLayout>