Как создать смайлики на android

Question

Может ли кто-нибудь помочь мне понять или направить меня на некоторые материалы для чтения о том, как создавать смайлики и как они работают на Android?

Мне нужно знать весь процесс от непрофессионала по сравнению с программной точкой зрения.

Answer 1

Мы не можем создать наш собственный custom emoticons for generic keyboard in android. Поскольку эти изображения хранятся в form of codes. которые могут быть не реализованы facebook,skype and other. Мы должны следить за сборкой в ​​emoticonsSee list,

Если вы хотите использовать их в своем приложении. Использовать this

См. this и this.

См SoftKeyboard sample here

И учебник по Creating a Custom keyboard

Answer 2

использование 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; 
    } 
} 

Answer 3

использование пользовательских библиотека: 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; 
    } 
}