removed unnecessary background; Added new funciton showAtBottomPending()

README.md

@@ -69,6 +69,7 @@ popup.setOnSoftKeyboardOpenCloseListener(new OnSoftKeyboardOpenCloseListener() {
         });
 
 //To show popup manually you can call popup.showAtBottom();
+//To show popup when the soft keyboard is not already visible, use popup.showAtBottomPending()
 ```
 
 Note: You can change the size of emojis in XML layout through attribute `emojiconSize`.

res/values/attrs.xml

@@ -31,7 +31,7 @@
 
         <!-- No backgrounds, titles or window float -->
         <item name="android:windowFrame">@null</item>
-        <item name="android:windowBackground">@drawable/popup_bg</item>
+        <item name="android:windowBackground">@null</item>
         <item name="android:windowNoTitle">true</item>
         <item name="android:windowIsFloating">false</item>
     </style>

src/github/ankushsachdeva/emojicon/EmojiconsPopup.java

@@ -35,7 +35,6 @@ import android.os.SystemClock;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.view.Gravity;
-import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
@@ -43,7 +42,6 @@ import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.view.WindowManager.LayoutParams;
-import android.widget.EditText;
 import android.widget.PopupWindow;
 
 
@@ -57,6 +55,7 @@ public class EmojiconsPopup extends PopupWindow implements ViewPager.OnPageChang
 	private PagerAdapter mEmojisAdapter;
 	private EmojiconRecentsManager mRecentsManager;
 	private int keyBoardHeight = 0;
+	private Boolean pendingOpen = false;
 	private Boolean isOpened = false;
 	OnEmojiconClickedListener onEmojiconClickedListener;
 	OnEmojiconBackspaceClickedListener onEmojiconBackspaceClickedListener; 
@@ -64,40 +63,77 @@ public class EmojiconsPopup extends PopupWindow implements ViewPager.OnPageChang
 	View rootView;
 	Context mContext;
 
-	public ViewPager emojisPager;
-	
+	private ViewPager emojisPager;
+	/**
+	 * Constructor
+	 * @param rootView	The top most layout in your view hierarchy. The difference of this view and the screen height will be used to calculate the keyboard height.
+	 * @param mContext The context of current activity.
+	 */
 	public EmojiconsPopup(View rootView, Context mContext){
 		super(mContext);
 		this.mContext = mContext;
 		this.rootView = rootView;
 		View customView = createCustomView();
 		setContentView(customView);
-		
 		setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
 		//default size 
 		setSize((int) mContext.getResources().getDimension(R.dimen.keyboard_height), LayoutParams.MATCH_PARENT);
 	}
-	
+	/**
+	 * Set the listener for the event of keyboard opening or closing.
+	 */
 	public void setOnSoftKeyboardOpenCloseListener(OnSoftKeyboardOpenCloseListener listener){
 		this.onSoftKeyboardOpenCloseListener = listener; 
 	}
 
+	/**
+	 * Set the listener for the event when any of the emojicon is clicked
+	 */
 	public void setOnEmojiconClickedListener(OnEmojiconClickedListener listener){
 		this.onEmojiconClickedListener = listener;
 	}
 
+	/**
+	 * Set the listener for the event when backspace on emojicon popup is clicked
+	 */
 	public void setOnEmojiconBackspaceClickedListener(OnEmojiconBackspaceClickedListener listener){
 		this.onEmojiconBackspaceClickedListener = listener;
 	}
 
+	/**
+	 * Use this function to show the emoji popup.
+	 * NOTE: Since, the soft keyboard sizes are variable on different android devices, the 
+	 * library needs you to open the soft keyboard atleast once before calling this function.
+	 * If that is not possible see showAtBottomPending() function.
+	 * 
+	 */
 	public void showAtBottom(){
 		showAtLocation(rootView, Gravity.BOTTOM, 0, 0);
 	}
+	/**
+	 * Use this function when the soft keyboard has not been opened yet. This 
+	 * will show the emoji popup after the keyboard is up next time.
+	 * Generally, you will be calling InputMethodManager.showSoftInput function after 
+	 * calling this function.
+	 */ 
+	public void showAtBottomPending(){
+		if(isKeyBoardOpen())
+			showAtBottom();
+		else
+			pendingOpen = true;
+	}
 
+	/**
+	 * 
+	 * @return Returns true if the soft keyboard is open, false otherwise.
+	 */
 	public Boolean isKeyBoardOpen(){
 		return isOpened;
 	}
 
+	/**
+	 * Dismiss the popup
+	 */
 	@Override
 	public void dismiss() {
 		super.dismiss();
@@ -105,6 +141,9 @@ public class EmojiconsPopup extends PopupWindow implements ViewPager.OnPageChang
 		.getInstance(mContext).saveRecents();
 	}
 
+	/**
+	 * Call this function to resize the emoji popup according to your soft keyboard size
+	 */
 	public void setSizeForSoftKeyboard(){
 		rootView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
 			@Override
@@ -131,6 +170,10 @@ public class EmojiconsPopup extends PopupWindow implements ViewPager.OnPageChang
 							onSoftKeyboardOpenCloseListener.onKeyboardOpen(keyBoardHeight);
 					}
 					isOpened = true;
+					if(pendingOpen){
+						showAtBottom();
+						pendingOpen = false;
+					}
 				}
 				else{
 					isOpened = false;
@@ -141,12 +184,17 @@ public class EmojiconsPopup extends PopupWindow implements ViewPager.OnPageChang
 		});
 	}
 
+	/**
+	 * Manually set the popup window size
+	 * @param width Width of the popup
+	 * @param height Height of the popup
+	 */
 	public void setSize(int width, int height){
 		setWidth(width);
 		setHeight(height);
 	}
 
-	public View createCustomView() {
+	private View createCustomView() {
 		LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
 		View view = inflater.inflate(R.layout.emojicons, null, false);
 		emojisPager = (ViewPager) view.findViewById(R.id.emojis_pager);
@@ -206,30 +254,12 @@ public class EmojiconsPopup extends PopupWindow implements ViewPager.OnPageChang
 		return view;
 	}
 
-	public static void input(EditText editText, Emojicon emojicon) {
-		if (editText == null || emojicon == null) {
-			return;
-		}
-
-		int start = editText.getSelectionStart();
-		int end = editText.getSelectionEnd();
-		if (start < 0) {
-			editText.append(emojicon.getEmoji());
-		} else {
-			editText.getText().replace(Math.min(start, end), Math.max(start, end), emojicon.getEmoji(), 0, emojicon.getEmoji().length());
-		}
-	}
-
 	@Override
 	public void addRecentEmoji(Context context, Emojicon emojicon) {
 		EmojiconRecentsGridView fragment = ((EmojisPagerAdapter)emojisPager.getAdapter()).getRecentFragment();
 		fragment.addRecentEmoji(context, emojicon);
 	}
 
-	public static void backspace(EditText editText) {
-		KeyEvent event = new KeyEvent(0, 0, 0, KeyEvent.KEYCODE_DEL, 0, 0, 0, 0, KeyEvent.KEYCODE_ENDCALL);
-		editText.dispatchKeyEvent(event);
-	}
 
 	@Override
 	public void onPageScrolled(int i, float v, int i2) {