freeHand.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
FreeText freeTextTool = (FreeText) (mToolManager.createTool(ToolManager.e_text_create,null));
}
});
FreeTextCreate freeTextTool = (FreeTextCreate) ((ToolManager) mPDFView.getToolManager()).createTool(ToolManager.e_text_create, this);
((ToolManager) mPDFView.getToolManager()).setTool(freeTextTool);