1.在xml文件中
android：visibility=“visible” visible可见
android：visibility=“invisible” invisible 不可见
android：visibility=“gone” gone隐藏
代码片段
android:visibility="visible" android:visibility="invisible" android:visibility="gone"
2.在java代码中
view.setVisibility(View.VISIBLE); 可见
view.setVisibility(View.INVISIBLE); 不可见
view.setVisibility(View.Gone); 隐藏
setVisibility(R.id.rl_throw_ball, View.VISIBLE); setVisibility(R.id.rl_throw_ball, View.GONE); setVisibility(R.id.rl_throw_ball, View.INVISIBLE);
