Fix for enabling auto-switch back to alpha mode from symbols.

import android.inputmethodservice.Keyboard.Key;

import android.os.Handler;

import android.os.Message;

import android.os.SystemClock;

import android.util.AttributeSet;

import android.view.GestureDetector;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.MotionEvent;

import android.view.View;

import android.view.ViewConfiguration;

import android.view.ViewGroup.LayoutParams;

import android.widget.PopupWindow;

import android.widget.TextView;

    private static final int REPEAT_INTERVAL = 50; // ~20 keys per second

    private static final int REPEAT_START_DELAY = 400;

    private static final int LONGPRESS_TIMEOUT = 800;

    // Deemed to be too short : ViewConfiguration.getLongPressTimeout();

    private static final int LONGPRESS_TIMEOUT = ViewConfiguration.getLongPressTimeout();

    private static int MAX_NEARBY_KEYS = 12;

    private int[] mDistances = new int[MAX_NEARBY_KEYS];

        invalidateAllKeys();

        computeProximityThreshold(keyboard);

        mMiniKeyboardCache.clear(); // Not really necessary to do every time, but will free up views

        // Switching to a different keyboard should abort any pending keys so that the key up

        // doesn't get delivered to the old or new keyboard

        mAbortKey = true; // Until the next ACTION_DOWN

    }

    /**