v0.8.0: improved build files and moved various files to better locations

SPD-classes/build.gradle

@@ -1,6 +1,7 @@
 apply plugin: 'java-library'
 
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+sourceCompatibility = targetCompatibility = appJavaCompatibility
 
 dependencies {
     //TODO migrate this to implementation from api

android/build.gradle

@@ -1,28 +1,10 @@
-/*
- * Pixel Dungeon
- * Copyright (C) 2012-2015 Oleg Dolya
- *
- * Shattered Pixel Dungeon
- * Copyright (C) 2014-2019 Evan Debenham
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
- */
-
 apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion appAndroidCompileSDK
+    compileOptions.sourceCompatibility = compileOptions.targetCompatibility = appJavaCompatibility
+
+    sourceSets.main.assets.srcDirs = [new File(project(':core').projectDir, "/src/main/assets")]
 
     defaultConfig {
         manifestPlaceholders = [appName:appName]

build.gradle

@@ -17,6 +17,8 @@ allprojects {
         appVersionCode = 382
         appVersionName = '0.7.5e'
 
+        appJavaCompatibility = 1.8
+
         appAndroidCompileSDK = 29
         appAndroidMinSDK = 9
         appAndroidTargetSDK = 29

core/build.gradle

@@ -1,6 +1,7 @@
 apply plugin: 'java-library'
 
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+sourceCompatibility = targetCompatibility = appJavaCompatibility
 
 dependencies {
     api project(':SPD-classes')