Textview下划线注册用户跳转实现

   <TextView
        android:id="@+id/textView_regtext"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignRight="@+id/editText_password"
        android:layout_below="@+id/editText_password"
        android:layout_marginRight="15dp"
        android:layout_marginTop="26dp"
        android:onClick="clickHandler_reg"
        android:clickable="true"
        android:text="注册用户" />

public void clickHandler_reg(View view)
    {
        Intent intent=new Intent(this,RegActivity.class);  //跳转
        LogActivity.this.startActivity(intent);
    }

        tv = (TextView)findViewById(R.id.textView_regtext);
        tv.getPaint().setFlags(Paint.UNDERLINE_TEXT_FLAG);
        tv.getPaint().setAntiAlias(true);