本文整理汇总了Scala中android.support.v4.content.ContextCompat类的典型用法代码示例。如果您正苦于以下问题：Scala ContextCompat类的具体用法？Scala ContextCompat怎么用？Scala ContextCompat使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ContextCompat类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Scala代码示例。
示例1: PreferenceGroupAdapter
//设置package包名称以及导入依赖的类
package be.mygod.preference
import java.lang.reflect.Field
import java.util.List
import android.os.Build
import android.support.v4.content.ContextCompat
import android.support.v4.view.ViewCompat
import android.support.v7.preference.{PreferenceGroup, PreferenceViewHolder, PreferenceGroupAdapter => Old}
import android.view.{LayoutInflater, View, ViewGroup}
import com.github.shadowsocks.R
object PreferenceGroupAdapter {
private var preferenceLayoutsField: Field = _
private var fieldResId: Field = _
private var fieldWidgetResId: Field = _
private val preferenceViewHolderConstructor = classOf[PreferenceViewHolder].getDeclaredConstructor(classOf[View])
{
val oldClass = classOf[Old]
preferenceLayoutsField = oldClass.getDeclaredField("mPreferenceLayouts")
preferenceLayoutsField.setAccessible(true)
val c = oldClass.getDeclaredClasses.filter(c => c.getSimpleName == "PreferenceLayout").head
fieldResId = c.getDeclaredField("resId")
fieldResId.setAccessible(true)
fieldWidgetResId = c.getDeclaredField("widgetResId")
fieldWidgetResId.setAccessible(true)
preferenceViewHolderConstructor.setAccessible(true)
}
}
class PreferenceGroupAdapter(group: PreferenceGroup) extends Old(group) {
import PreferenceGroupAdapter._
protected lazy val preferenceLayouts = preferenceLayoutsField.get(this).asInstanceOf[List[AnyRef]]
override def onCreateViewHolder(parent: ViewGroup, viewType: Int) = if (Build.VERSION.SDK_INT < 21) {
val context = parent.getContext
val inflater = LayoutInflater.from(context)
val pl = preferenceLayouts.get(viewType)
val view = inflater.inflate(fieldResId.get(pl).asInstanceOf[Int], parent, false)
if (view.getBackground == null) {
val array = context.obtainStyledAttributes(null, R.styleable.BackgroundStyle)
var background = array.getDrawable(R.styleable.BackgroundStyle_android_selectableItemBackground)
if (background == null)
background = ContextCompat.getDrawable(context, android.R.drawable.list_selector_background)
array.recycle
val (s, t, e, b) = (ViewCompat.getPaddingStart(view), view.getPaddingTop,
ViewCompat.getPaddingEnd(view), view.getPaddingBottom)
view.setBackground(background)
ViewCompat.setPaddingRelative(view, s, t, e, b)
}
val widgetFrame = view.findViewById(android.R.id.widget_frame).asInstanceOf[ViewGroup]
if (widgetFrame != null) {
val widgetResId = fieldWidgetResId.get(pl).asInstanceOf[Int]
if (widgetResId != 0) inflater.inflate(widgetResId, widgetFrame) else widgetFrame.setVisibility(View.GONE)
}
preferenceViewHolderConstructor.newInstance(view)
} else super.onCreateViewHolder(parent, viewType)
}