JNI在应用程序中检测到错误：can'；t在null对象上调用void android.view.view.setTranslationZ（float）
我有一个复杂的应用程序，点击一个按钮会触发两个视图，通过FadeIn和TranslateX动画显示时会出现此错误。视图之前已加载，并且也已插入到布局中（不可见）。稍后，当运行应用程序时，我点击按钮，出现错误 这是stacktrace：JNI在应用程序中检测到错误：can'；t在null对象上调用void android.view.view.setTranslationZ（float）,android,animation,xamarin,xamarin.forms,Android,Animation,Xamarin,Xamarin.forms,我有一个复杂的应用程序，点击一个按钮会触发两个视图，通过FadeIn和TranslateX动画显示时会出现此错误。视图之前已加载，并且也已插入到布局中（不可见）。稍后，当运行应用程序时，我点击按钮，出现错误 这是stacktrace： 11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] JNI DETECTED ERROR IN APPLICATION: can't call void android.view.
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] JNI DETECTED ERROR IN APPLICATION: can't call void android.view.View.setTranslationZ(float) on null object
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] in call to CallVoidMethodV
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] from void android.animation.PropertyValuesHolder.nCallFloatMethod(java.lang.Object, long, float)
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] "main" prio=5 tid=1 Runnable
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] | group="main" sCount=0 dsCount=0 obj=0x87394ef0 self=0xb4e08000
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] | sysTid=29902 nice=0 cgrp=apps sched=0/0 handle=0xb6f18ec8
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] | state=R schedstat=( 12655665356 2452371955 8477 ) utm=1045 stm=220 core=0 HZ=100
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] | stack=0xbe53f000-0xbe541000 stackSize=8MB
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] | held mutexes= "mutator lock"(shared held)
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] native: #00 pc 00004640 /system/lib/libbacktrace_libc++.so (UnwindCurrent::Unwind(unsigned int, ucontext*)+23)
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] native: #01 pc 00002e8d /system/lib/libbacktrace_libc++.so (Backtrace::Unwind(unsigned int, ucontext*)+8)
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] native: #02 pc 00245eb1 /system/lib/libart.so (art::DumpNativeStack(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, int, char const*, art::mirror::ArtMethod*)+68)
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] native: #03 pc 0022ad0f /system/lib/libart.so (art::Thread::Dump(std::__1::basic_ostream<char, std::__1::char_traits<char> >&) const+146)
11-07 10:42:08.986 F/art (29902): sart/runtime/check_jni.cc:65] native: #04 pc 000b0beb /system/lib/libart.so (art::JniAbort(char const*, char const*)+582)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] native: #05 pc 000b1325 /system/lib/libart.so (art::JniAbortF(char const*, char const*, ...)+60)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] native: #06 pc 000b1601 /system/lib/libart.so (art::ScopedCheck::CheckVirtualMethod(_jobject*, _jmethodID*)+408)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] native: #07 pc 000bb917 /system/lib/libart.so (art::CheckJNI::CallVoidMethodV(_JNIEnv*, _jobject*, _jmethodID*, std::__va_list)+70)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] native: #08 pc 00063303 /system/lib/libandroid_runtime.so (???)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] native: #09 pc 00071e8d /system/framework/arm/boot.oat (Java_android_animation_PropertyValuesHolder_nCallFloatMethod__Ljava_lang_Object_2JF+132)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.animation.PropertyValuesHolder.nCallFloatMethod(Native method)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.animation.PropertyValuesHolder.access$400(PropertyValuesHolder.java:38)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.animation.PropertyValuesHolder$FloatPropertyValuesHolder.setAnimatedValue(PropertyValuesHolder.java:1296)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.animation.ObjectAnimator.animateValue(ObjectAnimator.java:952)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.animation.ValueAnimator.animationFrame(ValueAnimator.java:1207)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.animation.ValueAnimator.doAnimationFrame(ValueAnimator.java:1248)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.animation.ValueAnimator$AnimationHandler.doAnimationFrame(ValueAnimator.java:659)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.animation.ValueAnimator$AnimationHandler.run(ValueAnimator.java:682)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.view.Choreographer$CallbackRecord.run(Choreographer.java:777)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.view.Choreographer.doCallbacks(Choreographer.java:590)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.view.Choreographer.doFrame(Choreographer.java:559)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:763)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.os.Handler.handleCallback(Handler.java:739)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.os.Handler.dispatchMessage(Handler.java:95)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.os.Looper.loop(Looper.java:145)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at android.app.ActivityThread.main(ActivityThread.java:6066)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at java.lang.reflect.Method.invoke!(Native method)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at java.lang.reflect.Method.invoke(Method.java:372)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1388)
referenceTable GDEF length=778 1
referenceTable GSUB length=6388 1
referenceTable GPOS length=66796 1
referenceTable GDEF length=372 1
referenceTable GSUB length=17802 1
referenceTable GPOS length=89498 1
referenceTable GSUB length=11222 1
referenceTable GPOS length=9574 1
referenceTable head length=54 1
referenceTable GDEF length=22 1
referenceTable GSUB length=1206 1
referenceTable GPOS length=12 1
referenceTable GSUB length=11222 1
referenceTable GPOS length=9574 1
referenceTable head length=54 1
referenceTable head length=54 1
referenceTable GSUB length=14200 1
referenceTable GPOS length=26192 1
referenceTable head length=54 1
referenceTable GSUB length=11222 1
referenceTable GPOS length=9574 1
referenceTable head length=54 1
referenceTable GSUB length=11222 1
referenceTable GPOS length=9574 1
referenceTable head length=54 1
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65] at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1183)
11-07 10:42:08.996 F/art (29902): sart/runtime/check_jni.cc:65]
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]jni在应用程序中检测到错误：无法在null对象上调用void android.view.view.setTranslationZ（float）
11-07 10:42:08.986 F/art（29902）：sart/runtime/checkjni.cc:65]调用CallVoidMethodV
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]来自void android.animation.PropertyValuesHolder.nCallFloatMethod（java.lang.Object，long，float）
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]“main”prio=5 tid=1 Runnable
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]| group=“main”scont=0 dsCount=0 obj=0x87394ef0 self=0xb4e08000
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]| sysTid=29902 nice=0 cgrp=apps sched=0/0 handle=0xb6f18ec8
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]| state=R schedstat=（12655665356 2452371955 8477）utm=1045 stm=220 core=0 HZ=100
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]| stack=0xbe53f000-0xbe541000 stackSize=8MB
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]|保持互斥体=“mutator lock”（共享保持）
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]本机：#00 pc 00004640/system/lib/libbacktrace_libc++.so（UnwindCurrent:：Unwind（unsigned int，ucontext*）+23）
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]本机：#01 pc 00002e8d/system/lib/libbacktrace_libc++.so（Backtrace:：Unwind（unsigned int，ucontext*）+8）
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]native:#02 pc 00245eb1/system/lib/libart.so（art:：DumpNativeStack（std:u 1:：basic_ostream&，int，char const*，art:：mirror:：ArtMethod*）+68）
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]native:#03 pc 002ad0f/system/lib/libart.so（art:：Thread:：Dump（std:u 1:：basic_ostream&）const+146）
11-07 10:42:08.986 F/art（29902）：sart/runtime/check_jni.cc:65]本机：#04 pc 000b0beb/system/lib/libart.so（art:：jnibort（char const*，char const*）+582）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]本机：#05 pc 000b1325/system/lib/libart.so（art:：jnibortf（char const*，char const*，…）+60）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]本机：#06 pc 000b1601/system/lib/libart.so（art:：ScopedCheck:：CheckVirtualMethod（_jobject*，_jmethodID*）+408）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]native:#07 pc 000bb917/system/lib/libart.so（art:：CheckJNI:：CallVoidMethodV（_JNIEnv*，_jobject*，_jmethodID*，std:_va_list）+70）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]本机：#08 pc 00063303/system/lib/libandroid_runtime.so（？）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]native:#09 pc 00071e8d/system/framework/arm/boot.oat（Java_android_animation_PropertyValuesHolder_nCallFloatMethod_Ljava_lang_Object_2JF+132）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.animation.PropertyValuesHolder.nCallFloatMethod（本机方法）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.animation.PropertyValuesHolder.access$400（PropertyValuesHolder.java:38）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.animation.PropertyValuesHolder$FloatPropertyValuesHolder.setAnimatedValue（PropertyValuesHolder.java:1296）
11-07 10:42:08.996 F/art（29902）：sart/runtime/checkjni.cc:65]在android.animation.ObjectAnimator.animateValue（ObjectAnimator.java:952）
11-07 10:42:08.996 F/art（29902）：sart/runtime/checkjni.cc:65]在android.animation.ValueAnimator.animationFrame（ValueAnimator.java:1207）
11-07 10:42:08.996 F/art（29902）：sart/runtime/checkjni.cc:65]在android.animation.ValueAnimator.doAnimationFrame（ValueAnimator.java:1248）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.animation.ValueAnimator$AnimationHandler.doAnimationFrame（ValueAnimator.java:659）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.animation.ValueAnimator$AnimationHandler.run（ValueAnimator.java:682）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.view.Choreographer$CallbackRecord.run（Choreographer.java:777）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.view.Choreographer.doCallbacks（Choreographer.java:590）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.view.Choreographer.doFrame（Choreographer.java:559）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]在android.view.Choreographer$FrameDisplayEventReceiver.run（Choreographer.java:763）
11-07 10:42:08.996 F/art（29902）：sart/runtime/checkjni.cc:65]位于android.os.handle.handleCallback（Handler.java:739）
11-07 10:42:08.996 F/art（29902）：sart/runtime/checkjni.cc:65]在android.os.Handler.dispatchMessage（Handler.java:95）上
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]位于android.os.Looper.loop（Looper.java:145）
11-07 10:42:08.996 F/art（29902）：sart/runtime/checkjni.cc:65]位于android.app.ActivityThread.main（ActivityThread.java:6066）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]位于java.lang.reflect.Method.invoke！（本机方法）
11-07 10:42:08.996 F/art（29902）：sart/runtime/check_jni.cc:65]位于java.lang.reflect.Method.invoke（Method.java:372）
11-07 1