使用 lib github https://github.com/rockerhieu/emojicon
public class EmojiKeyboard {
private static final String TAG = "EmojiKeyboard";
private static final String PREF_KEY_HEIGHT_KB = "EmojiKbHeight";
private Context context;
private int screenHeight = -1;
private int emojiKbHeight = -1;
private PopupWindow emojiKeyboardPopup;
private View view;
private SharedPreferences preferences;
public EmojiKeyboard(Context context, View view) {
if (context instanceof Activity) {
this.context = context;
this.view = view;
preferences = context.getSharedPreferences(context.getString(R.string.app_name), Context.MODE_PRIVATE);
//Restore EmojiKeyboard Height
emojiKbHeight = preferences.getInt(PREF_KEY_HEIGHT_KB, -1);
//TODO support less then 11 API, and not perfect resizing when switched the keyboard
view.addOnLayoutChangeListener(new View.OnLayoutChangeListener() {
@Override
public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom) {
/*
* Get root view height
* */
screenHeight = screenHeight == -1 && bottom > oldBottom
? bottom
: screenHeight;
/*
* Calculate soft keyboard height
* */
int dHeight = oldBottom - bottom;
boolean validHeight = emojiKbHeight == -1 && dHeight > 80 && bottom != oldBottom;
/*
* Сheck twice because the keyboard may have been switched
* */
emojiKbHeight = validHeight
? dHeight : emojiKbHeight != (dHeight) && dHeight > 0
? dHeight
: emojiKbHeight;
/*
* Store emoji keyboard height into SharedPreferences
* */
preferences.edit().putInt(PREF_KEY_HEIGHT_KB, emojiKbHeight).commit();
/*
* If layout returned to a standard height then dismissing keyboard (OnBackPressed)
* */
if (screenHeight == bottom) {
dismissEmojiKeyboard();
}
/*
* Resize emoji on the go when a user switches between keyboards
* */
resizeEmoji();
}
});
}
}
public void showEmoji() {
if (emojiKeyboardPopup == null) {
createEmojiKeyboard();
}
if (!isShowed()) {
new Handler().postDelayed(new Runnable() {
public void run() {
emojiKeyboardPopup.showAtLocation(view, Gravity.BOTTOM, 0, 0);
resizeEmoji();
}
}, 10L);
} else {
dismissEmojiKeyboard();
}
}
public void createEmojiKeyboard() {
EmojiView emojiKeyboard = new EmojiView(context, EmojiView.EMOJI_DARK_STYLE, new EmojiView.onEmojiClickListener() {
public void onBackspace() {
if (((Activity) context).getWindow().getCurrentFocus() instanceof EditText) {
((Activity) context).getWindow().getCurrentFocus().dispatchKeyEvent(new KeyEvent(0, 67));
}
}
public void onEmojiSelected(Emojicon emojicon) {
if (((Activity) context).getWindow().getCurrentFocus() instanceof EditText) {
EmojiView.input((EditText) ((Activity) context).getWindow().getCurrentFocus(), emojicon);
}
}
});
emojiKeyboardPopup = new PopupWindow(emojiKeyboard);
emojiKeyboardPopup.setHeight(View.MeasureSpec.makeMeasureSpec(setEmojiKeyboardHeight(), View.MeasureSpec.EXACTLY));
emojiKeyboardPopup.setWidth(View.MeasureSpec.makeMeasureSpec(getDisplayDimensions(context).x, View.MeasureSpec.EXACTLY));
emojiKeyboardPopup.setAnimationStyle(0);
}
public void dismissEmojiKeyboard() {
if (isShowed()) {
emojiKeyboardPopup.dismiss();
}
}
public boolean isShowed() {
return emojiKeyboardPopup != null && emojiKeyboardPopup.isShowing();
}
/*
* Emoji set up size
* */
public void resizeEmoji() {
if (isShowed()) {
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
WindowManager.LayoutParams layoutParams = (WindowManager.LayoutParams) emojiKeyboardPopup.getContentView().getLayoutParams();
layoutParams.height = setEmojiKeyboardHeight();
wm.updateViewLayout(emojiKeyboardPopup.getContentView(), layoutParams);
}
}
public int setEmojiKeyboardHeight() {
return emojiKbHeight == -1 && emojiKbHeight != screenHeight && emojiKbHeight < 80
? (getDisplayDimensions(context).y / 2)
: emojiKbHeight;
}
public Point getDisplayDimensions(Context context) {
Point size = new Point();
WindowManager w = ((Activity) context).getWindowManager();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
w.getDefaultDisplay().getSize(size);
} else {
Display d = w.getDefaultDisplay();
size.x = d.getWidth();
size.y = d.getHeight();
}
return size;
}
}