Java support!

TODO.txt

@@ -0,0 +1,5 @@
+1. Add android.jar from android sdk 35 to classpath
+2. Identify tumblr apk version
+3. Fix enhanced block n shit
+4. ???
+5. Profit

build.py

@@ -99,8 +99,52 @@ class Task:
             print(f"Compiling {file}...")
             subprocess.run(['java', '-jar', 'tools/smali-2.5.2.jar', 'a', f'build/smali/{file}', '-o', f'build/dex/{dex}'])
 
+    def genClassPath():
+        print("Generating java classpath from dex files...")
+        for file in os.listdir('build/dex'):
+            src = f'build/dex/{file}'
+            dst = f'build/jar/{file[:-4]}.jar'
+            srctime = os.path.getmtime(src)
+            dsttime = 0 if not Path(dst).exists() else os.path.getmtime(dst)
+
+            if srctime < dsttime:
+                print(f"Skipping {file}...")
+                continue
+
+            print(f"Dex2jar {file}...")
+            subprocess.run(['java', '-cp', 'tools/d2j/*', 'com.googlecode.dex2jar.tools.Dex2jarCmd', '-f', src, '-o', dst])
+
+    def compileJava():
+        Task.genClassPath()
+
+        sep = ';' if os.name == 'nt' else ':'
+        javaFiles = [str(x) for x in Path('src/java').rglob('*.java')]
+        classPath = sep.join([str(x) for x in Path('build/jar').rglob('*.jar')])
+
+        # Get latest java file timestamp
+        files = list(Path('src/java').rglob('*.java'))
+        files = [os.path.getmtime(x) for x in files]
+        latest = max(files)
+
+        # Get latest dex time or 0
+        latest2 = 0 if not Path('build/java_dex/classes.dex').exists() else os.path.getmtime('build/java_dex/classes.dex')
+
+        # If dex file is newer than source, no need to do anything
+        if latest2 > latest:
+            print("Skipping java...")
+            return
+
+        print("Compiling java...")
+        subprocess.run(['javac', '-cp', classPath, '-d', 'build/java_class', *javaFiles])
+
+        classFiles = [str(x) for x in Path('build/java_class').rglob('*.class')]
+
+        Path('build/java_dex').mkdir(parents=True, exist_ok=True)
+        subprocess.run(['java', '-cp', 'tools/d8.jar', 'com.android.tools.r8.D8', *classFiles, '--output', 'build/java_dex'])
+
     def mergeResources():
         Task.compileSmali()
+        Task.compileJava()
 
         # Copy original resources
         # on first run only
@@ -113,6 +157,7 @@ class Task:
 
         print("Copying compiled dex files...")
         shutil.copytree('build/dex', 'build/merged', dirs_exist_ok=True)
+        shutil.copy('build/java_dex/classes.dex', 'build/merged/classes7.dex') # TODO: Unhardcode this
 
     def buildApk():
         Task.mergeResources()
@@ -182,6 +227,8 @@ def main():
             
             if ('a' in ''.join(sys.argv[2:])):
                 Task.deployToAndroidStudio()
+        case 'genclasspath':
+            Task.genClassPath()
 
 if __name__ == '__main__':
     main()

src/java/dev/maelstrom/ykit/java/Test.java

@@ -0,0 +1,10 @@
+package dev.maelstrom.ykit.java;
+
+import dev.maelstrom.ykit.settings.YkitCurrentSettings;
+
+public class Test {
+    public static void test() {
+        System.out.println("Hello, world!");
+        System.out.println(YkitCurrentSettings.class.getName());
+    }
+}

src/smali/smali_classes6/dev/maelstrom/ykit/settings/YkitSettingsActivity.smali

@@ -7,6 +7,8 @@
 .method static constructor <clinit>()V
     .locals 0
 
+    invoke-static {}, Ldev/maelstrom/ykit/java/Test;->test()V
+
     return-void
 .end method