Add Android backend from patch #2603856

svn-id: r49449

7 files changed, 1603 insertions, 0 deletions

diff --git a/backends/platform/android/org/inodes/gus/scummvm/EditableSurfaceView.java b/backends/platform/android/org/inodes/gus/scummvm/EditableSurfaceView.java
new file mode 100644
index 0000000000..5b71d4a3a5
--- /dev/null
+++ b/backends/platform/android/org/inodes/gus/scummvm/EditableSurfaceView.java
@@ -0,0 +1,59 @@
+package org.inodes.gus.scummvm;
+
+import android.content.Context;
+import android.text.InputType;
+import android.util.AttributeSet;
+import android.view.SurfaceView;
+import android.view.inputmethod.BaseInputConnection;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputConnection;
+import android.view.inputmethod.InputMethodManager;
+
+public class EditableSurfaceView extends SurfaceView {
+	public EditableSurfaceView(Context context) {
+		super(context);
+	}
+
+	public EditableSurfaceView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+	}
+
+	public EditableSurfaceView(Context context, AttributeSet attrs,
+							   int defStyle) {
+		super(context, attrs, defStyle);
+	}
+
+	@Override
+	public boolean onCheckIsTextEditor() {
+		return true;
+	}
+
+	private class MyInputConnection extends BaseInputConnection {
+		public MyInputConnection() {
+			super(EditableSurfaceView.this, false);
+		}
+
+		@Override
+		public boolean performEditorAction(int actionCode) {
+			if (actionCode == EditorInfo.IME_ACTION_DONE) {
+				InputMethodManager imm = (InputMethodManager)
+					getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
+				imm.hideSoftInputFromWindow(getWindowToken(), 0);
+			}
+			return super.performEditorAction(actionCode); // Sends enter key
+		}
+	}
+
+	@Override
+	public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
+		outAttrs.initialCapsMode = 0;
+		outAttrs.initialSelEnd = outAttrs.initialSelStart = -1;
+		outAttrs.inputType = (InputType.TYPE_CLASS_TEXT |
+							  InputType.TYPE_TEXT_VARIATION_NORMAL |
+							  InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE);
+		outAttrs.imeOptions = (EditorInfo.IME_ACTION_DONE |
+							   EditorInfo.IME_FLAG_NO_EXTRACT_UI);
+
+		return new MyInputConnection();
+	}
+}
diff --git a/backends/platform/android/org/inodes/gus/scummvm/Event.java b/backends/platform/android/org/inodes/gus/scummvm/Event.java
new file mode 100644
index 0000000000..f9c7aba93b
--- /dev/null
+++ b/backends/platform/android/org/inodes/gus/scummvm/Event.java
@@ -0,0 +1,330 @@
+package org.inodes.gus.scummvm;
+
+import android.view.KeyEvent;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public class Event {
+	// Common::EventType enum.
+	// Must be kept in sync with common/events.h
+	public final static int EVENT_INVALID = 0;
+	public final static int EVENT_KEYDOWN = 1;
+	public final static int EVENT_KEYUP = 2;
+	public final static int EVENT_MOUSEMOVE = 3;
+	public final static int EVENT_LBUTTONDOWN = 4;
+	public final static int EVENT_LBUTTONUP = 5;
+	public final static int EVENT_RBUTTONDOWN = 6;
+	public final static int EVENT_RBUTTONUP = 7;
+	public final static int EVENT_WHEELUP = 8;
+	public final static int EVENT_WHEELDOWN = 9;
+	public final static int EVENT_QUIT = 10;
+	public final static int EVENT_SCREEN_CHANGED = 11;
+	public final static int EVENT_PREDICTIVE_DIALOG = 12;
+	public final static int EVENT_MBUTTONDOWN = 13;
+	public final static int EVENT_MBUTTONUP = 14;
+	public final static int EVENT_MAINMENU = 15;
+	public final static int EVENT_RTL = 16;
+
+	// common/keyboard.h
+	public final static int ASCII_F1 = 315;
+	public final static int ASCII_F2 = 316;
+	public final static int ASCII_F3 = 317;
+	public final static int ASCII_F4 = 318;
+	public final static int ASCII_F5 = 319;
+	public final static int ASCII_F6 = 320;
+	public final static int ASCII_F7 = 321;
+	public final static int ASCII_F8 = 322;
+	public final static int ASCII_F9 = 323;
+	public final static int ASCII_F10 = 324;
+	public final static int ASCII_F11 = 325;
+	public final static int ASCII_F12 = 326;
+	public final static int KBD_CTRL  = 1 << 0;
+	public final static int KBD_ALT	  = 1 << 1;
+	public final static int KBD_SHIFT = 1 << 2;
+
+	public final static int KEYCODE_INVALID = 0;
+	public final static int KEYCODE_BACKSPACE = 8;
+	public final static int KEYCODE_TAB = 9;
+	public final static int KEYCODE_CLEAR = 12;
+	public final static int KEYCODE_RETURN = 13;
+	public final static int KEYCODE_PAUSE = 19;
+	public final static int KEYCODE_ESCAPE = 27;
+	public final static int KEYCODE_SPACE = 32;
+	public final static int KEYCODE_EXCLAIM = 33;
+	public final static int KEYCODE_QUOTEDBL = 34;
+	public final static int KEYCODE_HASH = 35;
+	public final static int KEYCODE_DOLLAR = 36;
+	public final static int KEYCODE_AMPERSAND = 38;
+	public final static int KEYCODE_QUOTE = 39;
+	public final static int KEYCODE_LEFTPAREN = 40;
+	public final static int KEYCODE_RIGHTPAREN = 41;
+	public final static int KEYCODE_ASTERISK = 42;
+	public final static int KEYCODE_PLUS = 43;
+	public final static int KEYCODE_COMMA = 44;
+	public final static int KEYCODE_MINUS = 45;
+	public final static int KEYCODE_PERIOD = 46;
+	public final static int KEYCODE_SLASH = 47;
+	public final static int KEYCODE_0 = 48;
+	public final static int KEYCODE_1 = 49;
+	public final static int KEYCODE_2 = 50;
+	public final static int KEYCODE_3 = 51;
+	public final static int KEYCODE_4 = 52;
+	public final static int KEYCODE_5 = 53;
+	public final static int KEYCODE_6 = 54;
+	public final static int KEYCODE_7 = 55;
+	public final static int KEYCODE_8 = 56;
+	public final static int KEYCODE_9 = 57;
+	public final static int KEYCODE_COLON = 58;
+	public final static int KEYCODE_SEMICOLON = 59;
+	public final static int KEYCODE_LESS = 60;
+	public final static int KEYCODE_EQUALS = 61;
+	public final static int KEYCODE_GREATER = 62;
+	public final static int KEYCODE_QUESTION = 63;
+	public final static int KEYCODE_AT = 64;
+	public final static int KEYCODE_LEFTBRACKET = 91;
+	public final static int KEYCODE_BACKSLASH = 92;
+	public final static int KEYCODE_RIGHTBRACKET = 93;
+	public final static int KEYCODE_CARET = 94;
+	public final static int KEYCODE_UNDERSCORE = 95;
+	public final static int KEYCODE_BACKQUOTE = 96;
+	public final static int KEYCODE_a = 97;
+	public final static int KEYCODE_b = 98;
+	public final static int KEYCODE_c = 99;
+	public final static int KEYCODE_d = 100;
+	public final static int KEYCODE_e = 101;
+	public final static int KEYCODE_f = 102;
+	public final static int KEYCODE_g = 103;
+	public final static int KEYCODE_h = 104;
+	public final static int KEYCODE_i = 105;
+	public final static int KEYCODE_j = 106;
+	public final static int KEYCODE_k = 107;
+	public final static int KEYCODE_l = 108;
+	public final static int KEYCODE_m = 109;
+	public final static int KEYCODE_n = 110;
+	public final static int KEYCODE_o = 111;
+	public final static int KEYCODE_p = 112;
+	public final static int KEYCODE_q = 113;
+	public final static int KEYCODE_r = 114;
+	public final static int KEYCODE_s = 115;
+	public final static int KEYCODE_t = 116;
+	public final static int KEYCODE_u = 117;
+	public final static int KEYCODE_v = 118;
+	public final static int KEYCODE_w = 119;
+	public final static int KEYCODE_x = 120;
+	public final static int KEYCODE_y = 121;
+	public final static int KEYCODE_z = 122;
+	public final static int KEYCODE_DELETE = 127;
+	// Numeric keypad
+	public final static int KEYCODE_KP0 = 256;
+	public final static int KEYCODE_KP1 = 257;
+	public final static int KEYCODE_KP2 = 258;
+	public final static int KEYCODE_KP3 = 259;
+	public final static int KEYCODE_KP4 = 260;
+	public final static int KEYCODE_KP5 = 261;
+	public final static int KEYCODE_KP6 = 262;
+	public final static int KEYCODE_KP7 = 263;
+	public final static int KEYCODE_KP8 = 264;
+	public final static int KEYCODE_KP9 = 265;
+	public final static int KEYCODE_KP_PERIOD = 266;
+	public final static int KEYCODE_KP_DIVIDE = 267;
+	public final static int KEYCODE_KP_MULTIPLY = 268;
+	public final static int KEYCODE_KP_MINUS = 269;
+	public final static int KEYCODE_KP_PLUS = 270;
+	public final static int KEYCODE_KP_ENTER = 271;
+	public final static int KEYCODE_KP_EQUALS = 272;
+	// Arrows + Home/End pad
+	public final static int KEYCODE_UP = 273;
+	public final static int KEYCODE_DOWN = 274;
+	public final static int KEYCODE_RIGHT = 275;
+	public final static int KEYCODE_LEFT = 276;
+	public final static int KEYCODE_INSERT = 277;
+	public final static int KEYCODE_HOME = 278;
+	public final static int KEYCODE_END = 279;
+	public final static int KEYCODE_PAGEUP = 280;
+	public final static int KEYCODE_PAGEDOWN = 281;
+	// Function keys
+	public final static int KEYCODE_F1 = 282;
+	public final static int KEYCODE_F2 = 283;
+	public final static int KEYCODE_F3 = 284;
+	public final static int KEYCODE_F4 = 285;
+	public final static int KEYCODE_F5 = 286;
+	public final static int KEYCODE_F6 = 287;
+	public final static int KEYCODE_F7 = 288;
+	public final static int KEYCODE_F8 = 289;
+	public final static int KEYCODE_F9 = 290;
+	public final static int KEYCODE_F10 = 291;
+	public final static int KEYCODE_F11 = 292;
+	public final static int KEYCODE_F12 = 293;
+	public final static int KEYCODE_F13 = 294;
+	public final static int KEYCODE_F14 = 295;
+	public final static int KEYCODE_F15 = 296;
+	// Key state modifier keys
+	public final static int KEYCODE_NUMLOCK = 300;
+	public final static int KEYCODE_CAPSLOCK = 301;
+	public final static int KEYCODE_SCROLLOCK = 302;
+	public final static int KEYCODE_RSHIFT = 303;
+	public final static int KEYCODE_LSHIFT = 304;
+	public final static int KEYCODE_RCTRL = 305;
+	public final static int KEYCODE_LCTRL = 306;
+	public final static int KEYCODE_RALT = 307;
+	public final static int KEYCODE_LALT = 308;
+	public final static int KEYCODE_RMETA = 309;
+	public final static int KEYCODE_LMETA = 310;
+	public final static int KEYCODE_LSUPER = 311; // Left "Windows" key
+	public final static int KEYCODE_RSUPER = 312; // Right "Windows" key
+	public final static int KEYCODE_MODE = 313; // "Alt Gr" key
+	public final static int KEYCODE_COMPOSE = 314; // Multi-key compose key
+	// Miscellaneous function keys
+	public final static int KEYCODE_HELP = 315;
+	public final static int KEYCODE_PRINT = 316;
+	public final static int KEYCODE_SYSREQ = 317;
+	public final static int KEYCODE_BREAK = 318;
+	public final static int KEYCODE_MENU = 319;
+	public final static int KEYCODE_POWER = 320; // Power Macintosh power key
+	public final static int KEYCODE_EURO = 321; // Some european keyboards
+	public final static int KEYCODE_UNDO = 322; // Atari keyboard has Undo
+
+	// Android KeyEvent keycode -> ScummVM keycode
+	public final static Map<Integer, Integer> androidKeyMap;
+	static {
+		Map<Integer, Integer> map = new HashMap<Integer, Integer>();
+
+		map.put(KeyEvent.KEYCODE_DEL, KEYCODE_BACKSPACE);
+		map.put(KeyEvent.KEYCODE_TAB, KEYCODE_TAB);
+		map.put(KeyEvent.KEYCODE_CLEAR, KEYCODE_CLEAR);
+		map.put(KeyEvent.KEYCODE_ENTER, KEYCODE_RETURN);
+		//map.put(??, KEYCODE_PAUSE);
+		map.put(KeyEvent.KEYCODE_BACK, KEYCODE_ESCAPE);
+		map.put(KeyEvent.KEYCODE_SPACE, KEYCODE_SPACE);
+		//map.put(??, KEYCODE_EXCLAIM);
+		//map.put(??, KEYCODE_QUOTEDBL);
+		map.put(KeyEvent.KEYCODE_POUND, KEYCODE_HASH);
+		//map.put(??, KEYCODE_DOLLAR);
+		//map.put(??, KEYCODE_AMPERSAND);
+		map.put(KeyEvent.KEYCODE_APOSTROPHE, KEYCODE_QUOTE);
+		//map.put(??, KEYCODE_LEFTPAREN);
+		//map.put(??, KEYCODE_RIGHTPAREN);
+		//map.put(??, KEYCODE_ASTERISK);
+		map.put(KeyEvent.KEYCODE_PLUS, KEYCODE_PLUS);
+		map.put(KeyEvent.KEYCODE_COMMA, KEYCODE_COMMA);
+		map.put(KeyEvent.KEYCODE_MINUS, KEYCODE_MINUS);
+		map.put(KeyEvent.KEYCODE_PERIOD, KEYCODE_PERIOD);
+		map.put(KeyEvent.KEYCODE_SLASH, KEYCODE_SLASH);
+		map.put(KeyEvent.KEYCODE_0, KEYCODE_0);
+		map.put(KeyEvent.KEYCODE_1, KEYCODE_1);
+		map.put(KeyEvent.KEYCODE_2, KEYCODE_2);
+		map.put(KeyEvent.KEYCODE_3, KEYCODE_3);
+		map.put(KeyEvent.KEYCODE_4, KEYCODE_4);
+		map.put(KeyEvent.KEYCODE_5, KEYCODE_5);
+		map.put(KeyEvent.KEYCODE_6, KEYCODE_6);
+		map.put(KeyEvent.KEYCODE_7, KEYCODE_7);
+		map.put(KeyEvent.KEYCODE_8, KEYCODE_8);
+		map.put(KeyEvent.KEYCODE_9, KEYCODE_9);
+		//map.put(??, KEYCODE_COLON);
+		map.put(KeyEvent.KEYCODE_SEMICOLON, KEYCODE_SEMICOLON);
+		//map.put(??, KEYCODE_LESS);
+		map.put(KeyEvent.KEYCODE_EQUALS, KEYCODE_EQUALS);
+		//map.put(??, KEYCODE_GREATER);
+		//map.put(??, KEYCODE_QUESTION);
+		map.put(KeyEvent.KEYCODE_AT, KEYCODE_AT);
+		map.put(KeyEvent.KEYCODE_LEFT_BRACKET, KEYCODE_LEFTBRACKET);
+		map.put(KeyEvent.KEYCODE_BACKSLASH, KEYCODE_BACKSLASH);
+		map.put(KeyEvent.KEYCODE_RIGHT_BRACKET, KEYCODE_RIGHTBRACKET);
+		//map.put(??, KEYCODE_CARET);
+		//map.put(??, KEYCODE_UNDERSCORE);
+		//map.put(??, KEYCODE_BACKQUOTE);
+		map.put(KeyEvent.KEYCODE_A, KEYCODE_a);
+		map.put(KeyEvent.KEYCODE_B, KEYCODE_b);
+		map.put(KeyEvent.KEYCODE_C, KEYCODE_c);
+		map.put(KeyEvent.KEYCODE_D, KEYCODE_d);
+		map.put(KeyEvent.KEYCODE_E, KEYCODE_e);
+		map.put(KeyEvent.KEYCODE_F, KEYCODE_f);
+		map.put(KeyEvent.KEYCODE_G, KEYCODE_g);
+		map.put(KeyEvent.KEYCODE_H, KEYCODE_h);
+		map.put(KeyEvent.KEYCODE_I, KEYCODE_i);
+		map.put(KeyEvent.KEYCODE_J, KEYCODE_j);
+		map.put(KeyEvent.KEYCODE_K, KEYCODE_k);
+		map.put(KeyEvent.KEYCODE_L, KEYCODE_l);
+		map.put(KeyEvent.KEYCODE_M, KEYCODE_m);
+		map.put(KeyEvent.KEYCODE_N, KEYCODE_n);
+		map.put(KeyEvent.KEYCODE_O, KEYCODE_o);
+		map.put(KeyEvent.KEYCODE_P, KEYCODE_p);
+		map.put(KeyEvent.KEYCODE_Q, KEYCODE_q);
+		map.put(KeyEvent.KEYCODE_R, KEYCODE_r);
+		map.put(KeyEvent.KEYCODE_S, KEYCODE_s);
+		map.put(KeyEvent.KEYCODE_T, KEYCODE_t);
+		map.put(KeyEvent.KEYCODE_U, KEYCODE_u);
+		map.put(KeyEvent.KEYCODE_V, KEYCODE_v);
+		map.put(KeyEvent.KEYCODE_W, KEYCODE_w);
+		map.put(KeyEvent.KEYCODE_X, KEYCODE_x);
+		map.put(KeyEvent.KEYCODE_Y, KEYCODE_y);
+		map.put(KeyEvent.KEYCODE_Z, KEYCODE_z);
+		//map.put(KeyEvent.KEYCODE_DEL, KEYCODE_DELETE); use BACKSPACE instead
+		//map.put(??, KEYCODE_KP_*);
+		map.put(KeyEvent.KEYCODE_DPAD_UP, KEYCODE_UP);
+		map.put(KeyEvent.KEYCODE_DPAD_DOWN, KEYCODE_DOWN);
+		map.put(KeyEvent.KEYCODE_DPAD_RIGHT, KEYCODE_RIGHT);
+		map.put(KeyEvent.KEYCODE_DPAD_LEFT, KEYCODE_LEFT);
+		//map.put(??, KEYCODE_INSERT);
+		//map.put(??, KEYCODE_HOME);
+		//map.put(??, KEYCODE_END);
+		//map.put(??, KEYCODE_PAGEUP);
+		//map.put(??, KEYCODE_PAGEDOWN);
+		//map.put(??, KEYCODE_F{1-15});
+		map.put(KeyEvent.KEYCODE_NUM, KEYCODE_NUMLOCK);
+		//map.put(??, KEYCODE_CAPSLOCK);
+		//map.put(??, KEYCODE_SCROLLLOCK);
+		map.put(KeyEvent.KEYCODE_SHIFT_RIGHT, KEYCODE_RSHIFT);
+		map.put(KeyEvent.KEYCODE_SHIFT_LEFT, KEYCODE_LSHIFT);
+		//map.put(??, KEYCODE_RCTRL);
+		//map.put(??, KEYCODE_LCTRL);
+		map.put(KeyEvent.KEYCODE_ALT_RIGHT, KEYCODE_RALT);
+		map.put(KeyEvent.KEYCODE_ALT_LEFT, KEYCODE_LALT);
+		// ?? META, SUPER
+		// ?? MODE, COMPOSE
+		// ?? HELP, PRINT, SYSREQ, BREAK, EURO, UNDO
+		map.put(KeyEvent.KEYCODE_MENU, KEYCODE_MENU);
+		map.put(KeyEvent.KEYCODE_POWER, KEYCODE_POWER);
+
+		androidKeyMap = Collections.unmodifiableMap(map);
+	}
+
+	public int type;
+	public boolean synthetic;
+	public int kbd_keycode;
+	public int kbd_ascii;
+	public int kbd_flags;
+	public int mouse_x;
+	public int mouse_y;
+	public boolean mouse_relative;	// Used for trackball events
+
+	public Event() {
+		type = EVENT_INVALID;
+		synthetic = false;
+	}
+
+	public Event(int type) {
+		this.type = type;
+		synthetic = false;
+	}
+
+	public static Event KeyboardEvent(int type, int keycode, int ascii,
+									  int flags) {
+		Event e = new Event();
+		e.type = type;
+		e.kbd_keycode = keycode;
+		e.kbd_ascii = ascii;
+		e.kbd_flags = flags;
+		return e;
+	}
+
+	public static Event MouseEvent(int type, int x, int y) {
+		Event e = new Event();
+		e.type = type;
+		e.mouse_x = x;
+		e.mouse_y = y;
+		return e;
+	}
+}
diff --git a/backends/platform/android/org/inodes/gus/scummvm/PluginProvider.java b/backends/platform/android/org/inodes/gus/scummvm/PluginProvider.java
new file mode 100644
index 0000000000..b4035a296b
--- /dev/null
+++ b/backends/platform/android/org/inodes/gus/scummvm/PluginProvider.java
@@ -0,0 +1,52 @@
+package org.inodes.gus.scummvm;
+
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.util.Log;
+
+import java.util.ArrayList;
+
+public class PluginProvider extends BroadcastReceiver {
+	public final static String META_UNPACK_LIB =
+		"org.inodes.gus.scummvm.meta.UNPACK_LIB";
+
+	public void onReceive(Context context, Intent intent) {
+		if (!intent.getAction().equals(ScummVMApplication.ACTION_PLUGIN_QUERY))
+			return;
+
+		Bundle extras = getResultExtras(true);
+
+		final ActivityInfo info;
+		try {
+			info = context.getPackageManager()
+				.getReceiverInfo(new ComponentName(context, this.getClass()),
+								 PackageManager.GET_META_DATA);
+		} catch (PackageManager.NameNotFoundException e) {
+			Log.e(this.toString(), "Error finding my own info?", e);
+			return;
+		}
+
+		String mylib = info.metaData.getString(META_UNPACK_LIB);
+		if (mylib != null) {
+			ArrayList<String> all_libs =
+				extras.getStringArrayList(ScummVMApplication.EXTRA_UNPACK_LIBS);
+
+			all_libs.add(new Uri.Builder()
+						 .scheme("plugin")
+						 .authority(context.getPackageName())
+						 .path(mylib)
+						 .toString());
+ 
+			extras.putStringArrayList(ScummVMApplication.EXTRA_UNPACK_LIBS,
+									  all_libs);
+		}
+
+		setResultExtras(extras);
+	}
+}
diff --git a/backends/platform/android/org/inodes/gus/scummvm/ScummVM.java b/backends/platform/android/org/inodes/gus/scummvm/ScummVM.java
new file mode 100644
index 0000000000..bc0c5ef408
--- /dev/null
+++ b/backends/platform/android/org/inodes/gus/scummvm/ScummVM.java
@@ -0,0 +1,317 @@
+package org.inodes.gus.scummvm;
+
+import android.content.Context;
+import android.content.res.AssetManager;
+import android.media.AudioFormat;
+import android.media.AudioManager;
+import android.media.AudioTrack;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Process;
+import android.util.Log;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+
+import javax.microedition.khronos.egl.EGL10;
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.egl.EGLContext;
+import javax.microedition.khronos.egl.EGLDisplay;
+import javax.microedition.khronos.egl.EGLSurface;
+
+import java.io.File;
+import java.util.concurrent.Semaphore;
+
+
+// At least in Android 2.1, eglCreateWindowSurface() requires an
+// EGLNativeWindowSurface object, which is hidden deep in the bowels
+// of libui.  Until EGL is properly exposed, it's probably safer to
+// use the Java versions of most EGL functions :(
+
+public class ScummVM implements SurfaceHolder.Callback {
+	private final static String LOG_TAG = "ScummVM.java";
+
+	private final int AUDIO_FRAME_SIZE = 2 * 2;  // bytes. 16bit audio * stereo
+	public static class AudioSetupException extends Exception {}
+
+	private long nativeScummVM;	// native code hangs itself here
+    boolean scummVMRunning = false;
+
+	private native void create(AssetManager am);
+
+	public ScummVM(Context context) {
+		create(context.getAssets());  // Init C++ code, set nativeScummVM
+	}
+
+	private native void nativeDestroy(); 
+
+	public synchronized void destroy() {
+		if (nativeScummVM != 0) {
+			nativeDestroy();
+			nativeScummVM = 0;
+		}
+	}
+	protected void finalize() {
+		destroy();
+	}
+
+    // Surface creation:
+    // GUI thread: create surface, release lock
+    // ScummVM thread: acquire lock (block), read surface
+    //
+    // Surface deletion:
+    // GUI thread: post event, acquire lock (block), return
+    // ScummVM thread: read event, free surface, release lock
+    //
+    // In other words, ScummVM thread does this:
+    //  acquire lock
+    //  setup surface
+    //  when SCREEN_CHANGED arrives:
+    //   destroy surface
+    //   release lock
+    //  back to acquire lock
+    static final int configSpec[] = {
+		EGL10.EGL_RED_SIZE, 5,
+		EGL10.EGL_GREEN_SIZE, 5,
+		EGL10.EGL_BLUE_SIZE, 5,
+		EGL10.EGL_DEPTH_SIZE, 0,
+		EGL10.EGL_SURFACE_TYPE, EGL10.EGL_WINDOW_BIT,
+		EGL10.EGL_NONE,
+    };
+    EGL10 egl;
+    EGLDisplay eglDisplay = EGL10.EGL_NO_DISPLAY;
+    EGLConfig eglConfig;
+    EGLContext eglContext = EGL10.EGL_NO_CONTEXT;
+    EGLSurface eglSurface = EGL10.EGL_NO_SURFACE;
+    Semaphore surfaceLock = new Semaphore(0, true);
+    SurfaceHolder nativeSurface;
+
+    public void surfaceCreated(SurfaceHolder holder) {
+		nativeSurface = holder;
+		surfaceLock.release();
+    }
+
+    public void surfaceChanged(SurfaceHolder holder, int format,
+							   int width, int height) {
+		// Disabled while I debug GL problems
+		//pushEvent(new Event(Event.EVENT_SCREEN_CHANGED));
+    }
+
+    public void surfaceDestroyed(SurfaceHolder holder) {
+		pushEvent(new Event(Event.EVENT_SCREEN_CHANGED));
+		try {
+			surfaceLock.acquire();
+		} catch (InterruptedException e) {
+			Log.e(this.toString(),
+				  "Interrupted while waiting for surface lock", e);
+		}
+    }
+
+    // Called by ScummVM thread (from initBackend)
+    private void createScummVMGLContext() {
+		egl = (EGL10)EGLContext.getEGL();
+		eglDisplay = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
+		int[] version = new int[2];
+		egl.eglInitialize(eglDisplay, version);
+		int[] num_config = new int[1];
+		egl.eglChooseConfig(eglDisplay, configSpec, null, 0, num_config);
+
+		final int numConfigs = num_config[0];
+		if (numConfigs <= 0)
+			throw new IllegalArgumentException("No configs match configSpec");
+
+		EGLConfig[] configs = new EGLConfig[numConfigs];
+		egl.eglChooseConfig(eglDisplay, configSpec, configs, numConfigs,
+							num_config);
+		eglConfig = configs[0];
+
+		eglContext = egl.eglCreateContext(eglDisplay, eglConfig,
+										  EGL10.EGL_NO_CONTEXT, null);
+    }
+
+    // Called by ScummVM thread
+    protected void setupScummVMSurface() {
+		try {
+			surfaceLock.acquire();
+		} catch (InterruptedException e) {
+			Log.e(this.toString(),
+				  "Interrupted while waiting for surface lock", e);
+			return;
+		}
+		eglSurface = egl.eglCreateWindowSurface(eglDisplay, eglConfig,
+												nativeSurface, null);
+		egl.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext);
+    }
+
+    // Called by ScummVM thread
+    protected void destroyScummVMSurface() {
+		if (eglSurface != null) {
+			egl.eglMakeCurrent(eglDisplay, EGL10.EGL_NO_SURFACE,
+							   EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
+			egl.eglDestroySurface(eglDisplay, eglSurface);
+			eglSurface = EGL10.EGL_NO_SURFACE;
+		}
+
+		surfaceLock.release();
+    }
+
+    public void setSurface(SurfaceHolder holder) {
+		holder.addCallback(this);
+    }
+
+	// Set scummvm config options
+	final public native static void loadConfigFile(String path);
+	final public native static void setConfMan(String key, int value);
+	final public native static void setConfMan(String key, String value);
+
+	// Feed an event to ScummVM.  Safe to call from other threads.
+	final public native void pushEvent(Event e);
+
+	final private native void audioMixCallback(byte[] buf);
+
+	// Runs the actual ScummVM program and returns when it does.
+	// This should not be called from multiple threads simultaneously...
+	final public native int scummVMMain(String[] argv);
+
+	// Callbacks from C++ peer instance
+	//protected GraphicsMode[] getSupportedGraphicsModes() {}
+	protected void displayMessageOnOSD(String msg) {}
+	protected void setWindowCaption(String caption) {}
+	protected void showVirtualKeyboard(boolean enable) {}
+	protected String[] getSysArchives() { return new String[0]; }
+	protected String[] getPluginDirectories() { return new String[0]; }
+    protected void initBackend() throws AudioSetupException {
+		createScummVMGLContext();
+		initAudio();
+    }
+
+	private static class AudioThread extends Thread {
+		final private int buf_size;
+		private boolean is_paused = false;
+		final private ScummVM scummvm;
+		final private AudioTrack audio_track;
+
+		AudioThread(ScummVM scummvm, AudioTrack audio_track, int buf_size) {
+			super("AudioThread");
+			this.scummvm = scummvm;
+			this.audio_track = audio_track;
+			this.buf_size = buf_size;
+			setPriority(Thread.MAX_PRIORITY);
+			setDaemon(true);
+		}
+
+		public void pauseAudio() {
+			synchronized (this) {
+				is_paused = true;
+			}
+			audio_track.pause();
+		}
+
+		public void resumeAudio() {
+			synchronized (this) {
+				is_paused = false;
+				notifyAll();
+			}
+			audio_track.play();
+		}
+
+		public void run() {
+			byte[] buf = new byte[buf_size];
+			audio_track.play();
+			int offset = 0;
+			try {
+				while (true) {
+					synchronized (this) {
+						while (is_paused)
+							wait();
+					}
+
+					if (offset == buf.length) {
+						// Grab new audio data
+						scummvm.audioMixCallback(buf);
+						offset = 0;
+					}
+					int len = buf.length - offset;
+					int ret = audio_track.write(buf, offset, len);
+					if (ret < 0) {
+						Log.w(LOG_TAG, String.format(
+							"AudioTrack.write(%dB) returned error %d",
+							buf.length, ret));
+						break;
+					} else if (ret != len) {
+						Log.w(LOG_TAG, String.format(
+							"Short audio write.  Wrote %dB, not %dB",
+							ret, buf.length));
+						// Buffer is full, so yield cpu for a while
+						Thread.sleep(100);
+					}
+					offset += ret;
+				}
+			} catch (InterruptedException e) {
+				Log.e(this.toString(), "Audio thread interrupted", e);
+			}
+		}
+	}
+	private AudioThread audio_thread;
+
+	final public int audioSampleRate() {
+		return AudioTrack.getNativeOutputSampleRate(AudioManager.STREAM_MUSIC);
+	}
+
+	private void initAudio() throws AudioSetupException {
+		int sample_rate = audioSampleRate();
+		int buf_size =
+			AudioTrack.getMinBufferSize(sample_rate,
+										AudioFormat.CHANNEL_CONFIGURATION_STEREO,
+										AudioFormat.ENCODING_PCM_16BIT);
+		if (buf_size < 0) {
+			int guess = AUDIO_FRAME_SIZE * sample_rate / 100;  // 10ms of audio
+			Log.w(LOG_TAG, String.format(
+										 "Unable to get min audio buffer size (error %d). Guessing %dB.",
+										 buf_size, guess));
+			buf_size = guess;
+		}
+		Log.d(LOG_TAG, String.format("Using %dB buffer for %dHZ audio",
+									 buf_size, sample_rate));
+		AudioTrack audio_track =
+			new AudioTrack(AudioManager.STREAM_MUSIC,
+						   sample_rate,
+						   AudioFormat.CHANNEL_CONFIGURATION_STEREO,
+						   AudioFormat.ENCODING_PCM_16BIT,
+						   buf_size,
+						   AudioTrack.MODE_STREAM);
+		if (audio_track.getState() != AudioTrack.STATE_INITIALIZED) {
+			Log.e(LOG_TAG, "Error initialising Android audio system.");
+			throw new AudioSetupException();
+		}
+
+		audio_thread = new AudioThread(this, audio_track, buf_size);
+		audio_thread.start();
+	}
+
+	public void pause() {
+		audio_thread.pauseAudio();
+		// TODO: need to pause engine too
+	}
+
+	public void resume() {
+		// TODO: need to resume engine too
+		audio_thread.resumeAudio();
+	}
+
+	static {
+		// For grabbing with gdb...
+		final boolean sleep_for_debugger = false;
+		if (sleep_for_debugger) {
+			try {
+				Thread.sleep(20*1000);
+			} catch (InterruptedException e) {
+			}
+		}
+
+		//System.loadLibrary("scummvm");
+		File cache_dir = ScummVMApplication.getLastCacheDir();
+		String libname = System.mapLibraryName("scummvm");
+		File libpath = new File(cache_dir, libname);
+		System.load(libpath.getPath());
+	}
+}
diff --git a/backends/platform/android/org/inodes/gus/scummvm/ScummVMActivity.java b/backends/platform/android/org/inodes/gus/scummvm/ScummVMActivity.java
new file mode 100644
index 0000000000..29e1eba3d3
--- /dev/null
+++ b/backends/platform/android/org/inodes/gus/scummvm/ScummVMActivity.java
@@ -0,0 +1,446 @@
+package org.inodes.gus.scummvm;
+
+import android.app.AlertDialog;
+import android.app.Activity;
+import android.content.DialogInterface;
+import android.content.res.Configuration;
+import android.media.AudioManager;
+import android.os.Bundle;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.Message;
+import android.util.Log;
+import android.view.inputmethod.InputMethodManager;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.SurfaceView;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.widget.Toast;
+
+import java.io.IOException;
+
+public class ScummVMActivity extends Activity {
+	private boolean _do_right_click;
+	private boolean _last_click_was_right;
+
+	// game pixels to move per trackball/dpad event.
+	// FIXME: replace this with proper mouse acceleration
+	private final static int TRACKBALL_SCALE = 2;
+
+	private class MyScummVM extends ScummVM {
+		private boolean scummvmRunning = false;
+
+		public MyScummVM() {
+			super(ScummVMActivity.this);
+		}
+
+		@Override
+		protected void initBackend() throws ScummVM.AudioSetupException {
+			synchronized (this) {
+				scummvmRunning = true;
+				notifyAll();
+			}
+			super.initBackend();
+		}
+
+		public void waitUntilRunning() throws InterruptedException {
+			synchronized (this) {
+				while (!scummvmRunning)
+					wait();
+			}
+		}
+
+		@Override
+		protected void displayMessageOnOSD(String msg) {
+			Log.i(this.toString(), "OSD: " + msg);
+			Toast.makeText(ScummVMActivity.this, msg, Toast.LENGTH_LONG).show();
+		}
+
+		@Override
+		protected void setWindowCaption(final String caption) {
+			runOnUiThread(new Runnable() {
+					public void run() {
+						setTitle(caption);
+					}
+				});
+		}
+
+		@Override
+		protected String[] getPluginDirectories() {
+			String[] dirs = new String[1];
+			dirs[0] = ScummVMApplication.getLastCacheDir().getPath();
+			return dirs;
+		}
+
+		@Override
+		protected void showVirtualKeyboard(final boolean enable) {
+			if (getResources().getConfiguration().keyboard ==
+				Configuration.KEYBOARD_NOKEYS) {
+				runOnUiThread(new Runnable() {
+						public void run() {
+							showKeyboard(enable);
+						}
+					});
+			}
+		}	
+	}
+	private MyScummVM scummvm;
+	private Thread scummvm_thread;
+
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+		_do_right_click = false;
+		setVolumeControlStream(AudioManager.STREAM_MUSIC);
+
+		setContentView(R.layout.main);
+		takeKeyEvents(true);
+
+		// This is a common enough error that we should warn about it
+		// explicitly.
+		if (!Environment.getExternalStorageDirectory().canRead()) {
+			new AlertDialog.Builder(this)
+				.setTitle(R.string.no_sdcard_title)
+				.setIcon(android.R.drawable.ic_dialog_alert)
+				.setMessage(R.string.no_sdcard)
+				.setNegativeButton(R.string.quit,
+								   new DialogInterface.OnClickListener() {
+									   public void onClick(DialogInterface dialog,
+														   int which) {
+										   finish();
+									   }
+								   })
+				.show();
+			return;
+		}
+
+		SurfaceView main_surface = (SurfaceView)findViewById(R.id.main_surface);
+		main_surface.setOnTouchListener(new View.OnTouchListener() {
+				public boolean onTouch(View v, MotionEvent event) {
+					return onTouchEvent(event);
+				}
+			});
+		main_surface.setOnKeyListener(new View.OnKeyListener() {
+				public boolean onKey(View v, int code, KeyEvent ev) {
+					return onKeyDown(code, ev);
+				}
+			});
+		main_surface.requestFocus();
+
+		// Start ScummVM
+		scummvm = new MyScummVM();
+		scummvm_thread = new Thread(new Runnable() {
+				public void run() {
+					try {
+						runScummVM();
+					} catch (Exception e) {
+						Log.e("ScummVM", "Fatal error in ScummVM thread", e);
+						new AlertDialog.Builder(ScummVMActivity.this)
+							.setTitle("Error")
+							.setMessage(e.toString())
+							.setIcon(android.R.drawable.ic_dialog_alert)
+							.show();
+						finish();
+					}
+				}
+			}, "ScummVM");
+		scummvm_thread.start();
+
+		// Block UI thread until ScummVM has started.  In particular,
+		// this means that surface and event callbacks should be safe
+		// after this point.
+		try {
+			scummvm.waitUntilRunning();
+		} catch (InterruptedException e) {
+			Log.e(this.toString(),
+				  "Interrupted while waiting for ScummVM.initBackend", e);
+			finish();
+		}
+
+		scummvm.setSurface(main_surface.getHolder());
+	}
+
+	// Runs in another thread
+	private void runScummVM() throws IOException {
+		getFilesDir().mkdirs();
+		String[] args = {
+			"ScummVM-lib",
+			"--config=" + getFileStreamPath("scummvmrc").getPath(),
+			"--path=" + Environment.getExternalStorageDirectory().getPath(),
+			"--gui-theme=scummmodern",
+			"--savepath=" + getDir("saves", 0).getPath(),
+		};
+
+		int ret = scummvm.scummVMMain(args);
+
+		// On exit, tear everything down for a fresh
+		// restart next time.
+		System.exit(ret);
+	}
+
+	private boolean was_paused = false;
+
+	@Override
+	public void onPause() {
+		if (scummvm != null) {
+			was_paused = true;
+			scummvm.pause();
+		}
+		super.onPause();
+	}
+
+	@Override
+	public void onResume() {
+		super.onResume();
+		if (scummvm != null && was_paused)
+			scummvm.resume();
+		was_paused = false;
+	}
+
+	@Override
+	public void onStop() {
+		if (scummvm != null) {
+			scummvm.pushEvent(new Event(Event.EVENT_QUIT));
+			try {
+				scummvm_thread.join(1000);	// 1s timeout
+			} catch (InterruptedException e) {
+				Log.i(this.toString(),
+					  "Error while joining ScummVM thread", e);
+			}
+		}
+		super.onStop();
+	}
+
+	static final int MSG_MENU_LONG_PRESS = 1;
+	private final Handler keycodeMenuTimeoutHandler = new Handler() {
+			@Override
+			public void handleMessage(Message msg) {
+				if (msg.what == MSG_MENU_LONG_PRESS) {
+					InputMethodManager imm = (InputMethodManager)
+						getSystemService(INPUT_METHOD_SERVICE);
+					if (imm != null)
+						imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+				}
+			}
+		};
+
+	@Override
+	public boolean onKeyUp(int keyCode, KeyEvent kevent) {
+		return onKeyDown(keyCode, kevent);
+	}
+
+	@Override
+	public boolean onKeyMultiple(int keyCode, int repeatCount,
+									 KeyEvent kevent) {
+		return onKeyDown(keyCode, kevent);
+	}
+
+	@Override
+	public boolean onKeyDown(int keyCode, KeyEvent kevent) {
+		// Filter out "special" keys
+		switch (keyCode) {
+		case KeyEvent.KEYCODE_MENU:
+			// Have to reimplement hold-down-menu-brings-up-softkeybd
+			// ourselves, since we are otherwise hijacking the menu
+			// key :(
+			// See com.android.internal.policy.impl.PhoneWindow.onKeyDownPanel()
+			// for the usual Android implementation of this feature.
+			if (kevent.getRepeatCount() > 0)
+				// Ignore keyrepeat for menu
+				return false;
+			boolean timeout_fired = false;
+			if (getResources().getConfiguration().keyboard ==
+				Configuration.KEYBOARD_NOKEYS) {
+				timeout_fired = !keycodeMenuTimeoutHandler.hasMessages(MSG_MENU_LONG_PRESS);
+				keycodeMenuTimeoutHandler.removeMessages(MSG_MENU_LONG_PRESS);
+				if (kevent.getAction() == KeyEvent.ACTION_DOWN) {
+					keycodeMenuTimeoutHandler.sendMessageDelayed(
+																 keycodeMenuTimeoutHandler.obtainMessage(MSG_MENU_LONG_PRESS),
+																 ViewConfiguration.getLongPressTimeout());
+					return true;
+				}
+			}
+			if (kevent.getAction() == KeyEvent.ACTION_UP) {
+				if (!timeout_fired)
+					scummvm.pushEvent(new Event(Event.EVENT_MAINMENU));
+				return true;
+			}
+			return false;
+		case KeyEvent.KEYCODE_CAMERA:
+		case KeyEvent.KEYCODE_SEARCH:
+			_do_right_click = (kevent.getAction() == KeyEvent.ACTION_DOWN);
+			return true;
+		case KeyEvent.KEYCODE_DPAD_CENTER:
+		case KeyEvent.KEYCODE_DPAD_UP:
+		case KeyEvent.KEYCODE_DPAD_DOWN:
+		case KeyEvent.KEYCODE_DPAD_LEFT:
+		case KeyEvent.KEYCODE_DPAD_RIGHT: {
+			// HTC Hero doesn't seem to generate
+			// MotionEvent.ACTION_DOWN events on trackball press :(
+			// We'll have to just fake one here.
+			// Some other handsets lack a trackball, so the DPAD is
+			// the only way of moving the cursor.
+			int motion_action;
+			// FIXME: this logic is a mess.
+			if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
+				switch (kevent.getAction()) {
+				case KeyEvent.ACTION_DOWN:
+					motion_action = MotionEvent.ACTION_DOWN;
+					break;
+				case KeyEvent.ACTION_UP:
+					motion_action = MotionEvent.ACTION_UP;
+					break;
+				default:  // ACTION_MULTIPLE
+					return false;
+				}
+			} else
+				motion_action = MotionEvent.ACTION_MOVE;
+
+			Event e = new Event(getEventType(motion_action));
+			e.mouse_x = 0;
+			e.mouse_y = 0;
+			e.mouse_relative = true;
+			switch (keyCode) {
+			case KeyEvent.KEYCODE_DPAD_UP:
+				e.mouse_y = -TRACKBALL_SCALE;
+				break;
+			case KeyEvent.KEYCODE_DPAD_DOWN:
+				e.mouse_y = TRACKBALL_SCALE;
+				break;
+			case KeyEvent.KEYCODE_DPAD_LEFT:
+				e.mouse_x = -TRACKBALL_SCALE;
+				break;
+			case KeyEvent.KEYCODE_DPAD_RIGHT:
+				e.mouse_x = TRACKBALL_SCALE;
+				break;
+			}
+			scummvm.pushEvent(e);
+			return true;
+		}
+		case KeyEvent.KEYCODE_BACK:
+			// skip isSystem() check and fall through to main code
+			break;
+		default:
+			if (kevent.isSystem())
+				return false;
+		}
+
+		// FIXME: what do I need to do for composed characters?
+
+		Event e = new Event();
+
+		switch (kevent.getAction()) {
+		case KeyEvent.ACTION_DOWN:
+			e.type = Event.EVENT_KEYDOWN;
+			e.synthetic = false;
+			break;
+		case KeyEvent.ACTION_UP:
+			e.type = Event.EVENT_KEYUP;
+			e.synthetic = false;
+			break;
+		case KeyEvent.ACTION_MULTIPLE:
+			// e.type is handled below
+			e.synthetic = true;
+			break;
+		default:
+			return false;
+		}
+
+		e.kbd_keycode = Event.androidKeyMap.containsKey(keyCode) ?
+			Event.androidKeyMap.get(keyCode) : Event.KEYCODE_INVALID;
+		e.kbd_ascii = kevent.getUnicodeChar();
+		if (e.kbd_ascii == 0)
+			e.kbd_ascii = e.kbd_keycode; // scummvm keycodes are mostly ascii
+		
+
+		e.kbd_flags = 0;
+		if (kevent.isAltPressed())
+			e.kbd_flags |= Event.KBD_ALT;
+		if (kevent.isSymPressed()) // no ctrl key in android, so use sym (?)
+			e.kbd_flags |= Event.KBD_CTRL;
+		if (kevent.isShiftPressed()) {
+			if (keyCode >= KeyEvent.KEYCODE_0 &&
+				keyCode <= KeyEvent.KEYCODE_9) {
+				// Shift+number -> convert to F* key
+				int offset = keyCode == KeyEvent.KEYCODE_0 ?
+					10 : keyCode - KeyEvent.KEYCODE_1; // turn 0 into 10
+				e.kbd_keycode = Event.KEYCODE_F1 + offset;
+				e.kbd_ascii = Event.ASCII_F1 + offset;
+			} else
+				e.kbd_flags |= Event.KBD_SHIFT;
+		}
+
+		if (kevent.getAction() == KeyEvent.ACTION_MULTIPLE) {
+			for (int i = 0; i <= kevent.getRepeatCount(); i++) {
+				e.type = Event.EVENT_KEYDOWN;
+				scummvm.pushEvent(e);
+				e.type = Event.EVENT_KEYUP;
+				scummvm.pushEvent(e);
+			}
+		} else
+			scummvm.pushEvent(e);
+
+		return true;
+	}
+
+	private int getEventType(int action) {
+		switch (action) {
+		case MotionEvent.ACTION_DOWN:
+			_last_click_was_right = _do_right_click;
+			return _last_click_was_right ?
+				Event.EVENT_RBUTTONDOWN : Event.EVENT_LBUTTONDOWN;
+		case MotionEvent.ACTION_UP:
+			return _last_click_was_right ?
+				Event.EVENT_RBUTTONUP : Event.EVENT_LBUTTONUP;
+		case MotionEvent.ACTION_MOVE:
+			return Event.EVENT_MOUSEMOVE;
+		default:
+			return Event.EVENT_INVALID;
+		}
+	}
+
+	@Override
+	public boolean onTrackballEvent(MotionEvent event) {
+		int type = getEventType(event.getAction());
+		if (type == Event.EVENT_INVALID)
+			return false;
+
+		Event e = new Event(type);
+		e.mouse_x =
+			(int)(event.getX() * event.getXPrecision()) * TRACKBALL_SCALE;
+		e.mouse_y =
+			(int)(event.getY() * event.getYPrecision()) * TRACKBALL_SCALE;
+		e.mouse_relative = true;
+		scummvm.pushEvent(e);
+
+		return true;
+	}
+
+	@Override
+	public boolean onTouchEvent(MotionEvent event) {
+		int type = getEventType(event.getAction());
+		if (type == Event.EVENT_INVALID)
+			return false;
+
+		Event e = new Event(type);
+		e.mouse_x = (int)event.getX();
+		e.mouse_y = (int)event.getY();
+		e.mouse_relative = false;
+		scummvm.pushEvent(e);
+
+		return true;
+	}
+
+	private void showKeyboard(boolean show) {
+		SurfaceView main_surface = (SurfaceView)findViewById(R.id.main_surface);
+		InputMethodManager imm = (InputMethodManager)
+			getSystemService(INPUT_METHOD_SERVICE);
+		if (show)
+			imm.showSoftInput(main_surface, InputMethodManager.SHOW_IMPLICIT);
+		else
+			imm.hideSoftInputFromWindow(main_surface.getWindowToken(),
+										InputMethodManager.HIDE_IMPLICIT_ONLY);
+	}
+}
diff --git a/backends/platform/android/org/inodes/gus/scummvm/ScummVMApplication.java b/backends/platform/android/org/inodes/gus/scummvm/ScummVMApplication.java
new file mode 100644
index 0000000000..37a9d09e1a
--- /dev/null
+++ b/backends/platform/android/org/inodes/gus/scummvm/ScummVMApplication.java
@@ -0,0 +1,29 @@
+package org.inodes.gus.scummvm;
+
+import android.app.Application;
+
+import java.io.File;
+
+public class ScummVMApplication extends Application {
+	public final static String ACTION_PLUGIN_QUERY = "org.inodes.gus.scummvm.action.PLUGIN_QUERY";
+	public final static String EXTRA_UNPACK_LIBS = "org.inodes.gus.scummvm.extra.UNPACK_LIBS";
+
+	private static File cache_dir;
+
+	@Override
+	public void onCreate() {
+		super.onCreate();
+		// This is still on /data :(
+		cache_dir = getCacheDir();
+		// This is mounted noexec :(
+		//cache_dir = new File(Environment.getExternalStorageDirectory(),
+		//			 "/.ScummVM.tmp");
+		// This is owned by download manager and requires special
+		// permissions to access :(
+		//cache_dir = Environment.getDownloadCacheDirectory();
+	}
+
+	public static File getLastCacheDir() {
+		return cache_dir;
+	}
+}
diff --git a/backends/platform/android/org/inodes/gus/scummvm/Unpacker.java b/backends/platform/android/org/inodes/gus/scummvm/Unpacker.java
new file mode 100644
index 0000000000..efa3e1d2ef
--- /dev/null
+++ b/backends/platform/android/org/inodes/gus/scummvm/Unpacker.java
@@ -0,0 +1,370 @@
+package org.inodes.gus.scummvm;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.ActivityNotFoundException;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.ProgressBar;
+
+import java.io.IOException;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipEntry;
+
+public class Unpacker extends Activity {
+	private final static String META_NEXT_ACTIVITY =
+		"org.inodes.gus.unpacker.nextActivity";
+	private ProgressBar mProgress;
+	private File mUnpackDest;  // location to unpack into
+	private AsyncTask<String, Integer, Void> mUnpacker;
+	private final static int REQUEST_MARKET = 1;
+
+	private static class UnpackJob {
+		public ZipFile zipfile;
+		public Set<String> paths;
+
+		public UnpackJob(ZipFile zipfile, Set<String> paths) {
+			this.zipfile = zipfile;
+			this.paths = paths;
+		}
+
+		public long UnpackSize() {
+			long size = 0;
+			for (String path: paths) {
+				ZipEntry entry = zipfile.getEntry(path);
+				if (entry != null) size += entry.getSize();
+			}
+			return size;
+		}
+	}
+
+	private class UnpackTask extends AsyncTask<String, Integer, Void> {
+		@Override
+		protected void onProgressUpdate(Integer... progress) {
+			mProgress.setIndeterminate(false);
+			mProgress.setMax(progress[1]);
+			mProgress.setProgress(progress[0]);
+			mProgress.postInvalidate();
+		}
+
+		@Override
+		protected void onPostExecute(Void result) {
+			Bundle md = getMetaData();
+			String nextActivity = md.getString(META_NEXT_ACTIVITY);
+			if (nextActivity != null) {
+				final ComponentName cn =
+					ComponentName.unflattenFromString(nextActivity);
+				if (cn != null) {
+					final Intent origIntent = getIntent();
+					Intent intent = new Intent();
+					intent.setPackage(origIntent.getPackage());
+					intent.setComponent(cn);
+					if (origIntent.getExtras() != null)
+						intent.putExtras(origIntent.getExtras());
+					intent.putExtra(Intent.EXTRA_INTENT, origIntent);
+					intent.setDataAndType(origIntent.getData(),
+										  origIntent.getType());
+					//intent.fillIn(getIntent(), 0);
+					intent.addFlags(Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP);
+					Log.i(this.toString(),
+						  "Starting next activity with intent " + intent);
+					startActivity(intent);
+				} else {
+					Log.w(this.toString(),
+						  "Unable to extract a component name from " + nextActivity);
+				}
+			}
+
+			finish();
+		}
+
+		@Override
+		protected Void doInBackground(String... all_libs) {
+			// This will contain all unpack jobs
+			Map<String, UnpackJob> unpack_jobs =
+				new HashMap<String, UnpackJob>(all_libs.length);
+
+			// This will contain all unpack filenames (so we can
+			// detect stale files in the unpack directory)
+			Set<String> all_files = new HashSet<String>(all_libs.length);
+
+			for (String lib: all_libs) {
+				final Uri uri = Uri.parse(lib);
+				final String pkg = uri.getAuthority();
+				final String path = uri.getPath().substring(1); // skip first /
+
+				all_files.add(new File(path).getName());
+
+				UnpackJob job = unpack_jobs.get(pkg);
+				if (job == null) {
+					try {
+						// getPackageResourcePath is hidden in Context,
+						// but exposed in ContextWrapper...
+						ContextWrapper context =
+							new ContextWrapper(createPackageContext(pkg, 0));
+						ZipFile zipfile =
+							new ZipFile(context.getPackageResourcePath());
+						job = new UnpackJob(zipfile, new HashSet<String>(1));
+					} catch (PackageManager.NameNotFoundException e) {
+						Log.e(this.toString(), "Package " + pkg +
+							  " not found", e);
+						continue;
+					} catch (IOException e) {
+						// FIXME: show some sort of GUI error dialog
+						Log.e(this.toString(),
+							  "Error opening ZIP for package " + pkg, e);
+						continue;
+					}
+					unpack_jobs.put(pkg, job);
+				}
+				job.paths.add(path);
+			}
+
+			// Delete stale filenames from mUnpackDest
+			for (File file: mUnpackDest.listFiles()) {
+				if (!all_files.contains(file.getName())) {
+					Log.i(this.toString(),
+						  "Deleting stale cached file " + file);
+					file.delete();
+				}
+			}
+
+			int total_size = 0;
+			for (UnpackJob job: unpack_jobs.values())
+				total_size += job.UnpackSize();
+
+			publishProgress(0, total_size);
+
+			mUnpackDest.mkdirs();
+
+			int progress = 0;
+
+			for (UnpackJob job: unpack_jobs.values()) {
+				try {
+					ZipFile zipfile = job.zipfile;
+					for (String path: job.paths) {
+						ZipEntry zipentry = zipfile.getEntry(path);
+						if (zipentry == null)
+							throw new FileNotFoundException(
+															"Couldn't find " + path + " in zip");
+						File dest = new File(mUnpackDest, new File(path).getName());
+						if (dest.exists() &&
+							dest.lastModified() == zipentry.getTime() &&
+							dest.length() == zipentry.getSize()) {
+							// Already unpacked
+							progress += zipentry.getSize();
+						} else {
+							if (dest.exists())
+								Log.d(this.toString(),
+									  "Replacing " + dest.getPath() +
+									  " old.mtime=" + dest.lastModified() +
+									  " new.mtime=" + zipentry.getTime() +
+									  " old.size=" + dest.length() +
+									  " new.size=" + zipentry.getSize());
+							else
+								Log.i(this.toString(),
+									  "Extracting " + zipentry.getName() +
+									  " from " + zipfile.getName() +
+									  " to " + dest.getPath());
+
+							long next_update = progress;
+
+							InputStream in = zipfile.getInputStream(zipentry);
+							OutputStream out = new FileOutputStream(dest);
+							int len;
+							byte[] buffer = new byte[4096];
+							while ((len = in.read(buffer)) != -1) {
+								out.write(buffer, 0, len);
+								progress += len;
+								if (progress >= next_update) {
+									publishProgress(progress, total_size);
+									// Arbitrary limit of 2% update steps
+									next_update += total_size / 50;
+								}
+							}
+
+							in.close();
+							out.close();
+							dest.setLastModified(zipentry.getTime());
+						}
+						publishProgress(progress, total_size);
+					}
+
+					zipfile.close();
+				} catch (IOException e) {
+					// FIXME: show some sort of GUI error dialog
+					Log.e(this.toString(), "Error unpacking plugin", e);
+				}
+			}
+
+			if (progress != total_size)
+				Log.d(this.toString(), "Ended with progress " + progress +
+					  " != total size " + total_size);
+
+			setResult(RESULT_OK);
+
+			return null;
+		}
+	}
+
+	private class PluginBroadcastReciever extends BroadcastReceiver {
+		@Override
+		public void onReceive(Context context, Intent intent) {
+			if (!intent.getAction()
+				.equals(ScummVMApplication.ACTION_PLUGIN_QUERY)) {
+				Log.e(this.toString(),
+					  "Received unexpected action " + intent.getAction());
+				return;
+			}
+
+			Bundle extras = getResultExtras(false);
+			if (extras == null) {
+				// Nothing for us to do.
+				Unpacker.this.setResult(RESULT_OK);
+				finish();
+			}
+
+			ArrayList<String> unpack_libs =
+				extras.getStringArrayList(ScummVMApplication.EXTRA_UNPACK_LIBS);
+
+			if (unpack_libs != null && !unpack_libs.isEmpty()) {
+				final String[] libs =
+					unpack_libs.toArray(new String[unpack_libs.size()]);
+				mUnpacker = new UnpackTask().execute(libs);
+			}
+		}
+	}
+
+	private void initPlugins() {
+		Bundle extras = new Bundle(1);
+
+		ArrayList<String> unpack_libs = new ArrayList<String>(1);
+		// This is the common ScummVM code (not really a "plugin" as such)
+		unpack_libs.add(new Uri.Builder()
+						.scheme("plugin")
+						.authority(getPackageName())
+						.path("mylib/armeabi/libscummvm.so")
+						.toString());
+		extras.putStringArrayList(ScummVMApplication.EXTRA_UNPACK_LIBS,
+								  unpack_libs);
+
+		Intent intent = new Intent(ScummVMApplication.ACTION_PLUGIN_QUERY);
+		sendOrderedBroadcast(intent, Manifest.permission.SCUMMVM_PLUGIN,
+							 new PluginBroadcastReciever(),
+							 null, RESULT_OK, null, extras);
+	}
+
+	@Override
+	public void onCreate(Bundle b) {
+		super.onCreate(b);
+
+		mUnpackDest = ScummVMApplication.getLastCacheDir();
+
+		setContentView(R.layout.splash);
+		mProgress = (ProgressBar)findViewById(R.id.progress);
+
+		setResult(RESULT_CANCELED);
+
+		tryUnpack();
+	}
+
+	private void tryUnpack() {
+		Intent intent = new Intent(ScummVMApplication.ACTION_PLUGIN_QUERY);
+		List<ResolveInfo> plugins = getPackageManager()
+			.queryBroadcastReceivers(intent, 0);
+		if (plugins.isEmpty()) {
+			// No plugins installed
+			AlertDialog.Builder alert = new AlertDialog.Builder(this)
+				.setTitle(R.string.no_plugins_title)
+				.setMessage(R.string.no_plugins_found)
+				.setIcon(android.R.drawable.ic_dialog_alert)
+				.setOnCancelListener(new DialogInterface.OnCancelListener() {
+						public void onCancel(DialogInterface dialog) {
+							finish();
+						}
+					})
+				.setNegativeButton(R.string.quit,
+								   new DialogInterface.OnClickListener() {
+									   public void onClick(DialogInterface dialog, int which) {
+										   finish();
+									   }
+								   });
+
+			final Uri uri = Uri.parse("market://search?q=ScummVM plugin");
+			final Intent market_intent = new Intent(Intent.ACTION_VIEW, uri);
+			if (getPackageManager().resolveActivity(market_intent, 0) != null) {
+				alert.setPositiveButton(R.string.to_market,
+										new DialogInterface.OnClickListener() {
+											public void onClick(DialogInterface dialog, int which) {
+												dialog.dismiss();
+												try {
+													startActivityForResult(market_intent,
+																		   REQUEST_MARKET);
+												} catch (ActivityNotFoundException e) {
+													Log.e(this.toString(),
+														  "Error starting market", e);
+												}
+											}
+										});
+			}
+
+			alert.show();
+
+		} else {
+			// Already have at least one plugin installed
+			initPlugins();
+		}
+	}
+
+	@Override
+	public void onStop() {
+		if (mUnpacker != null)
+			mUnpacker.cancel(true);
+		super.onStop();
+	}
+
+	@Override
+	protected void onActivityResult(int requestCode, int resultCode,
+										Intent data) {
+		switch (requestCode) {
+		case REQUEST_MARKET:
+			if (resultCode != RESULT_OK)
+				Log.w(this.toString(), "Market returned " + resultCode);
+			tryUnpack();
+			break;
+		}
+	}
+
+	private Bundle getMetaData() {
+		try {
+			ActivityInfo ai = getPackageManager()
+				.getActivityInfo(getComponentName(), PackageManager.GET_META_DATA);
+			return ai.metaData;
+		} catch (PackageManager.NameNotFoundException e) {
+			Log.w(this.toString(), "Unable to find my own meta-data", e);
+			return new Bundle();
+		}
+	}
+}