fix NPE problem since registered methods not properly added back

android/core/src/processing/core/PApplet.java

@@ -513,6 +513,15 @@ public class PApplet extends Activity implements PConstants, Runnable {
     redraw = true;  // draw this guy once
     firstMotion = true;
 
+    // these need to be inited before setup
+    sizeMethods = new RegisteredMethods();
+    preMethods = new RegisteredMethods();
+    drawMethods = new RegisteredMethods();
+    postMethods = new RegisteredMethods();
+    mouseEventMethods = new RegisteredMethods();
+    keyEventMethods = new RegisteredMethods();
+    disposeMethods = new RegisteredMethods();
+
     Context context = getApplicationContext();
     sketchPath = context.getFilesDir().getAbsolutePath();
 
@@ -2494,7 +2503,7 @@ public class PApplet extends Activity implements PConstants, Runnable {
    * Not to be called or overriden by users. If called multiple times, 
    * will only notify listeners once. Register a dispose listener instead.
    */
-  public void dispose(){
+  public void dispose() {
     // moved here from stop()
     finished = true;  // let the sketch know it is shut down time
 
@@ -2504,6 +2513,7 @@ public class PApplet extends Activity implements PConstants, Runnable {
     
     // call to shut down renderer, in case it needs it (pdf does)
     if (g != null) g.dispose();
+
     disposeMethods.handle();
   }
 

android/todo.txt

@@ -81,6 +81,12 @@ _ sketches must be removed manually if the debug keystore changes
 _   http://code.google.com/p/processing/issues/detail?id=236
 
 _ register(this, "pause") -> libs will need pause events on android
+_ add registered methods again
+_   need to figure out generic event queueing first
+_   may need a different subset of methods, and introduce new ones
+_     that will be usable on both android and desktop
+_ dispose() was calling disposeMethods.handle(), but they're null
+
 _ thread is continually running - 'inside handleDraw()' running continually
 _   inside run() it shouldn't still be going
 
@@ -188,10 +194,6 @@ _   this is currently draining batteries
 
 X look into touch event code, see if there's a good way to integrate
 _   make a decision on how to integrate touch event code
-_ add registered methods again
-_   need to figure out generic event queueing first
-_   may need a different subset of methods, and introduce new ones
-_     that will be usable on both android and desktop
 
 _ "Unable to resolve target 'Google...'" when APIs aren't installed
 _   add an error message that explains what to do