Scroll textfield onscreen when the IME shows.

import android.graphics.PixelFormat;

import android.graphics.Rect;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.os.ResultReceiver;

import android.text.BoringLayout.Metrics;

import android.text.DynamicLayout;

import android.text.Editable;

import android.text.InputFilter;

import android.text.Layout;

import android.text.Layout.Alignment;

import android.text.Selection;

import android.text.Spannable;

import android.text.TextPaint;

    // Used to determine whether onFocusChanged was called as a result of

    // calling remove().

    private boolean mInsideRemove;

    private class MyResultReceiver extends ResultReceiver {

        @Override

        protected void onReceiveResult(int resultCode, Bundle resultData) {

            if (resultCode == InputMethodManager.RESULT_SHOWN

                    && mWebView != null) {

                mWebView.revealSelection();

            }

        }

        /**

         * @param handler

         */

        public MyResultReceiver(Handler handler) {

            super(handler);

        }

    }

    private MyResultReceiver mReceiver;

    // Types used with setType.  Keep in sync with CachedInput.h

    private static final int NORMAL_TEXT_FIELD = 0;

                }

            }

        };

        mReceiver = new MyResultReceiver(mHandler);

    }

    public void setAutoFillable(int queryId) {

        }

    }

    /* package */ ResultReceiver getResultReceiver() { return mReceiver; }

    /**

     *  Determine whether this WebTextView currently represents the node

     *  represented by ptr.

        if (isTextView) {

            rebuildWebTextView();

            if (inEditingMode()) {

                imm.showSoftInput(mWebTextView, 0);

                imm.showSoftInput(mWebTextView, 0, mWebTextView.getResultReceiver());

                if (zoom) {

                    didUpdateWebTextViewDimensions(INTERSECTS_SCREEN);

                }