ContextThemeWrapper 的构造方法允许传入一个 window 对象,通过这种方式我们可以直接获取到 window 对象。下面是一个示例代码: publicclassMyActivityextendsActivity{@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);// ...Windowwindow=newWindow();ContextThemeWrapperwrapper=newCon...
ContextThemeWrapper 构造函数 属性 JniPeerMembers ThresholdClass ThresholdType 方法 DecorCaptionShade DescendantFocusability 显示器 Display.HdrCapabilities Display.HdrCapabilities.InterfaceConsts Display.Mode Display.Mode.InterfaceConsts DisplayCutout DisplayCutout.Builder ...
ContextThemeWrapper Class Reference Feedback Definition Namespace: Android.Views Assembly: Mono.Android.dll A context wrapper that allows you to modify or replace the theme of the wrapped context. C# Copy [Android.Runtime.Register("android/view/ContextThemeWrapper", DoNotGenerateAcw=true)] ...
ContextWrapper仅仅是对Context的简单封装,如果要对Context修改,我们只需要修改ContextWrapper,而不需要对通用的Context进行修改,ContextWrapper的目的仅此而已。而ContextThemeWrapper只是在ContextWrapper的基础上加入了Theme相关的一些内容,对于Activity来说需要处理一些Theme相关的东西,但是对于Service来说只需继承ContextWrapper,因...
针对你遇到的问题“android.view.ContextThemeWrapper cannot be cast to android.app.Activity”,我们可以从以下几个方面进行详细分析和解答: 1. 理解错误消息 错误消息“android.view.ContextThemeWrapper cannot be cast to android.app.Activity”表明你尝试将一个ContextThemeWrapper对象强制转换为Activity对象,但这是非法...
context = ((android.view.ContextThemeWrapper) context).getBaseContext(); } TintManager tm = INSTANCE_CACHE.get(context);if(tm ==null) { tm =newTintManager(context); INSTANCE_CACHE.put(context, tm); printLog("[getBaseApplication TintManager] create new TintManager."); ...
ContextThemeWrapper.ApplyOverrideConfiguration(Configuration) 方法 参考 反馈 定义 命名空间: Android.Views 程序集: Mono.Android.dll 对此上下文设置“重写配置”的调用 - 这是一种配置,用于答复应用于上下文的标准配置的一个或多个值。 C# 复制 [Android.Runtime.Register("applyOverrideConfiguration", "(L...
Java documentation forandroid.view.ContextThemeWrapper.onApplyThemeResource(android.content.res.Theme, int, boolean). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution Licens...
* 1 利用context和该style生成ContextThemeWrapper * 2 利用ContextThemeWrapper生产Builder对象 */ public class MainActivity extends Activity { private Button mButton; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
java.lang.ClassCastException: android.view.ContextThemeWrapper cannot be cast to android.app.Activity Dialog中的context,在强制装换Activity出现。 将(Activity) mContext,变成:scanForActivity(mContext) privatestaticActivityscanForActivity(Contextcont){if(cont==null)returnnull;elseif(continstanceofActivity)ret...