將ImageView背景設定為透明的方式有以下幾種. ... 在xml中設定background顏色為#00000000. activity.xml ... 亦可使用android color : transparent. ... <看更多>

The problem with opacity is that it will also affect the content, when often you do not want this to happen. If you just want your element ... ... <看更多>

透明 底色图片是怎样做成的，Photoshop抠图退底教程, Jpg转变成PNG格式， how to remove ... ... <看更多>