1 2 3 4 5 6 | < ImageButton android:id = "@+id/previous" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:src = "@drawable/media_skip_backward" android:background = "@drawable/transparent" > </ ImageButton > |
但是这样透明的 ImageButton 没有创建成功,如何实现呀?
给个具体的方法:
1 2 3 4 5 6 7 | < ImageButton android:id = "@+id/previous" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:background = "@android:color/transparent" android:src = "@drawable/media_skip_backward" > </ ImageButton >
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