Android ImageView 图片设置为透明
方法一:
在xml中,设置如下
<
ImageView
android:id
=
"@+id/xx_id"
android:layout_width
=
"wrap_content"
android:layout_height
=
"wrap_content"
android:background
=
"@drawable/xx"
/>
<
ImageView
android:id
=
"@+id/xx_id"
android:layout_width
=
"wrap_content"
android:layout_height
=
"wrap_content"
android:background
=
"@drawable/xx"
/>
java代码中
private
ImageView image;
image = (ImageView) findViewById(R.id.xx_id);
image.getBackground().setAlpha(
0
);
方法二:
在xml中,设置如下
<
ImageView
android:id
=
"@+id/xx_id"
android:layout_width
=
"wrap_content"
android:layout_height
=
"wrap_content"
android:src
=
"@drawable/xx"
/>
<
ImageView
android:id
=
"@+id/xx_id"
android:layout_width
=
"wrap_content"
android:layout_height
=
"wrap_content"
android:src
=
"@drawable/xx"
/>
java代码中
private
ImageView image;
image = (ImageView) findViewById(R.id.xx_id);
image.setAlpha(
0
);