This worked for me,
Thanks a lot
I got the solution for this post.
if(!driver.findElements(By.id(“com.test.mobiledemo:id/btn_no”)).isEmpty()) {
driver.findElement(By.id(“com.test.mobiledemo:id/btn_no”)).click();
}
else
{
Thread.sleep(40000);
driver.findElement(By.id("com.test.mobiledemo:id/img_cd_FrontImg")).click();
}