Merge pull request #1240 from dumganhar/gles20

fixed some warnings in java codes for android port.

cocos2dx/platform/android/java/src_common/org/cocos2dx/lib/Cocos2dxActivity.java

@@ -1,5 +1,5 @@
 /****************************************************************************
-Copyright (c) 2010-2011 cocos2d-x.org
+Copyright (c) 2010-2012 cocos2d-x.org
 
 http://www.cocos2d-x.org
 
@@ -24,11 +24,12 @@ THE SOFTWARE.
 
 package org.cocos2dx.lib;
 
+import java.lang.ref.WeakReference;
+
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
-import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
@@ -57,6 +58,28 @@ public class Cocos2dxActivity extends Activity{
     private static native void nativeSetPaths(String apkPath);
     private static native void nativeSetEditboxText(byte[] text);
     
+    
+    static class ShowDialogHandler extends Handler {
+        WeakReference<Cocos2dxActivity> mActivity;
+
+        ShowDialogHandler(Cocos2dxActivity activity) {
+            mActivity = new WeakReference<Cocos2dxActivity>(activity);
+        }
+
+        @Override
+        public void handleMessage(Message msg) {
+        	Cocos2dxActivity theActivity = mActivity.get();
+    		switch(msg.what) {
+    		case HANDLER_SHOW_DIALOG:
+    			theActivity.showDialog(((DialogMessage)msg.obj).title, ((DialogMessage)msg.obj).message);
+    			break;
+    		case HANDLER_SHOW_EDITBOX_DIALOG:
+    			theActivity.onShowEditBoxDialog((EditBoxMessage)msg.obj);
+    			break;
+    		}
+        }
+    };
+
 	public Cocos2dxGLSurfaceView getGLView() {
 		return mGLView;
 	}
@@ -80,18 +103,7 @@ public class Cocos2dxActivity extends Activity{
         // init bitmap context
         Cocos2dxBitmap.setContext(this);
         
-        handler = new Handler(){
+        handler = new ShowDialogHandler(this);
-        	public void handleMessage(Message msg){
-        		switch(msg.what){
-        		case HANDLER_SHOW_DIALOG:
-        			showDialog(((DialogMessage)msg.obj).title, ((DialogMessage)msg.obj).message);
-        			break;
-        		case HANDLER_SHOW_EDITBOX_DIALOG:
-        			onShowEditBoxDialog((EditBoxMessage)msg.obj);
-        			break;
-        		}
-        	}
-        };
     }
     
     public static String getDeviceModel(){

cocos2dx/platform/android/java/src_common/org/cocos2dx/lib/Cocos2dxBitmap.java

@@ -36,11 +36,8 @@ import android.graphics.Rect;
 import android.graphics.Typeface;
 import android.graphics.Paint.Align;
 import android.graphics.Paint.FontMetricsInt;
-import android.text.Spannable;
-import android.text.SpannableString;
 import android.text.TextPaint;
 import android.text.TextUtils;
-import android.text.style.StyleSpan;
 import android.util.Log;
 
 public class Cocos2dxBitmap{

cocos2dx/platform/android/java/src_common/org/cocos2dx/lib/Cocos2dxEditBoxDialog.java

@@ -1,11 +1,32 @@
+/****************************************************************************
+Copyright (c) 2010-2012 cocos2d-x.org
+
+http://www.cocos2d-x.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+****************************************************************************/
+
 package org.cocos2dx.lib;
 
 import android.app.Dialog;
 import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.ColorFilter;
 import android.graphics.drawable.ColorDrawable;
-import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Handler;
 import android.text.InputFilter;
@@ -13,7 +34,6 @@ import android.text.InputType;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.KeyEvent;
-import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.view.inputmethod.EditorInfo;

samples/HelloLua/proj.android/src/org/cocos2dx/hellolua/HelloLua.java

@@ -30,7 +30,6 @@ import org.cocos2dx.lib.Cocos2dxRenderer;
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.pm.ConfigurationInfo;
-import android.opengl.GLSurfaceView;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.KeyEvent;