When you eject the soft keyboard, do not move the whole activity up and move only the part

, EditText at the bottom of the activity, when the soft keyboard pops up, if the entire activity moves upwards, it will cause the top parts to be invisible, and there are so many blank spaces in the middle, which is obviously unreasonable.

In order to move only some of the space in the activity, you can place this part in the ScrollView and set the ScrollView layout_weight= "1", which means that he fills up the vacancy. When the soft keyboard pops up, the space is moved.

When you eject the soft keyboard, do not move the whole activity up and move only the part