输入法软键盘弹出

调用 open(null);

/**
 * 当前弹出则关闭
 * 否则弹出
 * @param v
 */
@SuppressWarnings("static-access")
public void open(View v){
            InputMethodManager inputMethodManager = (InputMethodManager) getSystemService                    (getApplicationContext().INPUT_METHOD_SERVICE);
            boolean isOpen = inputMethodManager.isActive();// isOpen若返回true，则表示输                                                                入法打开
            if (!isOpen) {
                inputMethodManager.toggleSoftInput(0,
                InputMethodManager.SHOW_FORCED);
            }else{
            
                inputMethodManager.toggleSoftInput(0,
                InputMethodManager.SHOW_FORCED);
            }
 }