Scala ContextCompat类代码示例

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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，您的评价将有助于我们的系统推荐出更棒的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)
}

开发者ID:RoomArchitect，项目名称:test0000，代码行数:62，代码来源:PreferenceGroupAdapter.scala

注：本文中的android.support.v4.content.ContextCompat类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。