android.view.inputmethod.InputConnection#performContextMenuAction ( )源码实例Demo

@Override
    public void onClick(View v) {
        InputConnection ic;
        switch (v.getId()) {
            case R.id.keyboard_selector_top_close_btn:
                close();
                break;
            case R.id.select:
                if (mStatus == Status.direct) {
                    mStatus = Status.select;
                    beginSelect();
                } else {
                    mStatus = Status.direct;
                    cancelSelectWithSelection();
                }
                updateSelector();
                break;
            case R.id.select_all:
                ic = getCurrentIC();
                if (ic == null)
                    return;
                boolean hasSelection = (Boolean) mSelectAll.getTag();
                if (hasSelection) {
                    ic.performContextMenuAction(android.R.id.cut);
                } else {
                    ic.performContextMenuAction(android.R.id.selectAll);
                }
//                cancelSelectWithSelection();
                break;
            case R.id.arrow_up:
                moveCursor(Direct.top);
                break;
            case R.id.arrow_down:
                moveCursor(Direct.bottom);
                break;
            case R.id.arrow_left:
                moveCursor(Direct.left);
                break;
            case R.id.arrow_right:
                moveCursor(Direct.right);
                break;
            case R.id.copy:
                ic = getCurrentIC();
                if (ic == null || TextUtils.isEmpty(ic.getSelectedText(0)))
                    return;
                ic.performContextMenuAction(android.R.id.copy);
                cancelSelectWithSelection();
                Toast.makeText(TestApplication.getInstance(), R.string.keyboard_clipboard_copy_success, Toast.LENGTH_LONG).show();
                break;
            case R.id.paste:
                ic = getCurrentIC();
                if (null == ic) {
                    return;
                }
                LatinIME.getInstance().getInputLogic().onPasteFromClipBoardEvent(ClipManager.getInstance().getPasteTipText());
                ic.performContextMenuAction(android.R.id.paste);
                cancelSelect();
                break;
            case R.id.delete:
                ic = getCurrentIC();
                if (ic != null) {
                    if (TextUtils.isEmpty(ic.getSelectedText(0))) {
                        LatinIME.getInstance().getInputLogic().onDeleteFromClipBoardEvent(ic.getTextBeforeCursor(1, 0).toString());
                    } else {
                        LatinIME.getInstance().getInputLogic().onDeleteFromClipBoardEvent(ic.getSelectedText(0).toString());
                    }
                }
                LatinIME.getInstance().getInputLogic().sendDownUpKeyEvent(KeyEvent.KEYCODE_DEL);
                break;
            default:
                break;
        }

        mHandler.post(this::updateStatus);
    }
 

@Override
public void selectAll() {
    InputConnection ic = getInputConnection();
    if (ic == null) return;
    ic.performContextMenuAction(android.R.id.selectAll);
}
 

@Override
public void copyText() {
    InputConnection ic = getInputConnection();
    if (ic == null) return;
    ic.performContextMenuAction(android.R.id.copy);
}
 

public void cutText() {
    InputConnection ic = getInputConnection();
    if (ic == null) return;
    ic.performContextMenuAction(android.R.id.cut);
}
 

@Override
public void pasteText() {
    InputConnection ic = getInputConnection();
    if (ic == null) return;
    ic.performContextMenuAction(android.R.id.paste);
}
 

/**
 * This is called when the user has selected a context menu item from the
 * extracted text view, when running in fullscreen mode.  The default
 * implementation sends this action to the current InputConnection's
 * {@link InputConnection#performContextMenuAction(int)}, for it
 * to be processed in underlying "real" editor.  Re-implement this to
 * provide whatever behavior you want.
 */
public boolean onExtractTextContextMenuItem(int id) {
    InputConnection ic = getCurrentInputConnection();
    if (ic != null) {
        ic.performContextMenuAction(id);
    }
    return true;
}