Implement multidex in the buildserver (#2187)

* Implement multidex in the buildserver

Change-Id: I1593438f80d59e9bcf6e7eb407ce902700bc67dc

appinventor/buildserver/build.xml

@@ -193,7 +193,7 @@
       <sysproperty key="file.encoding" value="UTF-8" />
       <jvmarg value="-Djava.awt.headless=true" />
       <arg value="--childProcessRamMb" />
-      <arg value="1024" />
+      <arg value="2048" />
       <arg value="--inputZipFile" />
       <arg value="${local.build.dir}/aiplayapp.zip" />
       <arg value="--userName" />
@@ -226,7 +226,7 @@
       <sysproperty key="file.encoding" value="UTF-8" />
       <jvmarg value="-Djava.awt.headless=true" />
       <arg value="--childProcessRamMb" />
-      <arg value="1024" />
+      <arg value="2048" />
       <arg value="--inputZipFile" />
       <arg value="${local.build.dir}/aiplayapp.zip" />
       <arg value="--userName" />
@@ -264,7 +264,7 @@
       <sysproperty key="file.encoding" value="UTF-8" />
       <jvmarg value="-Djava.awt.headless=true" />
       <arg value="--childProcessRamMb" />
-      <arg value="1024" />
+      <arg value="2048" />
       <arg value="--inputZipFile" />
       <arg value="${local.build.dir}/aiplayapp.zip" />
       <arg value="--userName" />

appinventor/buildserver/src/com/google/appinventor/buildserver/DexExecTask.java

@@ -44,6 +44,8 @@ public class DexExecTask {
     private int mChildProcessRamMb = 1024;
     private boolean mDisableDexMerger = false;
     private static Map<String, String> alreadyChecked = new HashMap<String, String>();
+    private String mainDexFile = null;
+    private boolean mPredex = true;
 
     private static final Object semaphore = new Object(); // Used to protect dex cache creation
 
@@ -66,6 +68,13 @@ public class DexExecTask {
         mVerbose = verbose;
     }
 
+    public void setMainDexClassesFile(String classList) {
+        mainDexFile = classList;
+        if (classList != null) {
+            mPredex = false;
+        }
+    }
+
     /**
      * Sets the value of the "output" attribute.
      *
@@ -79,6 +88,10 @@ public class DexExecTask {
         mDexedLibs = dexedLibs;
     }
 
+    public void setPredex(boolean predex) {
+        mPredex = predex;
+    }
+
     /**
      * Sets the value of the "nolocals" attribute.
      *
@@ -164,8 +177,10 @@ public class DexExecTask {
 
     public boolean execute(List<File> paths) {
         // pre dex libraries if needed
+        if (mPredex) {
             boolean successPredex = preDexLibraries(paths);
             if (!successPredex) return false;
+        }
 
         System.out.println(String.format(
                 "Converting compiled files and external libraries into %1$s...", mOutput));
@@ -189,6 +204,12 @@ public class DexExecTask {
         commandLineList.add("--dex");
         commandLineList.add("--positions=lines");
 
+        if (mainDexFile != null) {
+            commandLineList.add("--multi-dex");
+            commandLineList.add("--main-dex-list=" + mainDexFile);
+            commandLineList.add("--minimal-main-dex");
+        }
+
         if (mNoLocals) {
             commandLineList.add("--no-locals");
         }