Example usage for android.text.method ArrowKeyMovementMethod ArrowKeyMovementMethod

Introduction

In this page you can find the example usage for android.text.method ArrowKeyMovementMethod ArrowKeyMovementMethod.

Prototype

ArrowKeyMovementMethod

Source Link

Usage

From source file:org.openintents.notepad.NoteEditor.java

@Override
protected void onResume() {
    super.onResume();
    if (DEBUG) {//  w  ww.j  av a  2  s . co m
        Log.d(TAG, "onResume");
    }

    if (DEBUG) {
        Log.d(TAG, "mDecrypted: " + mDecryptedText);
    }

    // Set auto-link on or off, based on the current setting.
    int autoLink = PreferenceActivity.getAutoLinkFromPreference(this);

    mText.setAutoLinkMask(autoLink);

    mEncrypted = 0;

    if (mState == STATE_EDIT || (mState == STATE_INSERT) || mState == STATE_EDIT_EXTERNAL_NOTE) {
        getNoteFromContentProvider();
    } else if (mState == STATE_EDIT_NOTE_FROM_SDCARD) {
        getNoteFromFile();
    }

    if (mEncrypted == 0 || mDecryptedText != null) {
        applyInsertText();
    }

    // Make sure that we don't use the link movement method.
    // Instead, we need a blend between the arrow key movement (for regular
    // navigation) and
    // the link movement (so the user can click on links).
    mText.setMovementMethod(new ArrowKeyMovementMethod() {
        public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
            // This block is copied and pasted from LinkMovementMethod's
            // onTouchEvent (without the part that actually changes the
            // selection).
            int action = event.getAction();

            if (action == MotionEvent.ACTION_UP) {
                int x = (int) event.getX();
                int y = (int) event.getY();

                x -= widget.getTotalPaddingLeft();
                y -= widget.getTotalPaddingTop();

                x += widget.getScrollX();
                y += widget.getScrollY();

                Layout layout = widget.getLayout();
                int line = layout.getLineForVertical(y);
                int off = layout.getOffsetForHorizontal(line, x);

                ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);

                if (link.length != 0) {
                    link[0].onClick(widget);
                    return true;
                }
            }

            return super.onTouchEvent(widget, buffer, event);
        }
    });

    setTheme(loadTheme());

    startupSearch();
}

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