Android Studio现在在21+上支持矢量资产,并将在编译时为低版本生成png。我有一个矢量资产(来自材质图标),我想改变填充颜色。这适用于21+,但生成的png不改变颜色。有办法做到这一点吗?
<vector android:height="48dp" android:viewportHeight="24.0"
android:viewportWidth="24.0" android:width="48dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="@color/primary" android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z"/>
这是由Filipe绘制的Kotlin版本的Helper
class DrawableHelper(var mContext: Context) {
@ColorRes
private var mColor = 0
private lateinit var mDrawable: Drawable
private lateinit var mWrappedDrawable: Drawable
fun withDrawable(@DrawableRes drawableRes: Int): DrawableHelper {
mDrawable = getDrawable(mContext, drawableRes)!!
return this
}
fun withDrawable(drawable: Drawable): DrawableHelper {
mDrawable = drawable
return this
}
@SuppressLint("ResourceType")
fun withColor(@ColorRes colorRes: Int): DrawableHelper {
mColor = ContextCompat.getColor(mContext, colorRes)
return this
}
@SuppressLint("ResourceAsColor")
fun tint(): DrawableHelper {
mWrappedDrawable = DrawableCompat.wrap(mWrappedDrawable)
DrawableCompat.setTint(mWrappedDrawable, mColor)
DrawableCompat.setTintMode(mWrappedDrawable, PorterDuff.Mode.SRC_IN)
return this
}
fun applyToBackground(view: View) {
view.background = mWrappedDrawable
}
fun applyTo(imageView: ImageView) {
imageView.setImageDrawable(mWrappedDrawable)
}
fun applyTo(menuItem: MenuItem) {
menuItem.icon = mWrappedDrawable
}
fun get(): Drawable {
return mWrappedDrawable
}
companion object {
fun withContext(context: Context): DrawableHelper {
return DrawableHelper(context)
}
}
}
如果你想支持旧版前棒棒糖
使用相同的XML代码,只是做了一些更改
而不是普通的ImageView——> AppCompatImageView
而不是android:src——> app:srcCompat
这里有一个例子
<android.support.v7.widget.AppCompatImageView
android:layout_width="48dp"
android:layout_height="48dp"
android:id="@+id/button"
app:srcCompat="@drawable/ic_more_vert_24dp"
android:tint="@color/primary" />
别忘了更新你的gradle @ Sayooj Valsan提到
// Gradle Plugin 2.0+
android {
defaultConfig {
vectorDrawables。useSupportLibrary = true
}
}
编译“com.android.support:设计:23.4.0”
注意:对于任何一个使用矢量,永远永远不要给你的矢量引用颜色,就像这个android:fillColor="@color/primary"给出它的十六进制值。
你能做到的。
但是你不能为颜色使用@color引用(..lame),否则它只适用于L+
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24.0"
android:viewportHeight="24.0">
<path
android:fillColor="#FFAABB"
android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zm-6,0C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z"/>