Boa tarde
Está dando um erro relacionado ao canvas abaixo está a lista, está sendo desenvolvido em Android Studio... fico no aguardo e desde já agradeço....
02-12 12:46:47.815 1008-1008/br.com.alura.jumper I/art: Not late-enabling -Xcheck:jni (already on)
02-12 12:46:47.816 1008-1008/br.com.alura.jumper I/art: Late-enabling JIT
02-12 12:46:47.898 1008-1008/br.com.alura.jumper I/art: JIT created with code_cache_capacity=2MB compile_threshold=1000
02-12 12:46:48.493 1008-1008/br.com.alura.jumper W/System: ClassLoader referenced unknown path: /data/app/br.com.alura.jumper-2/lib/arm
02-12 12:46:49.781 1008-1037/br.com.alura.jumper E/AndroidRuntime: FATAL EXCEPTION: Thread-139
02-12 12:46:49.781 1008-1037/br.com.alura.jumper E/AndroidRuntime: Process: br.com.alura.jumper, PID: 1008
02-12 12:46:49.781 1008-1037/br.com.alura.jumper E/AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Canvas.drawCircle(float, float, float, android.graphics.Paint)' on a null object reference
02-12 12:46:49.781 1008-1037/br.com.alura.jumper E/AndroidRuntime: at br.com.alura.jumper.elements.Passaro.desenhaNo(Passaro.java:21)
02-12 12:46:49.781 1008-1037/br.com.alura.jumper E/AndroidRuntime: at br.com.alura.jumper.engine.Game.run(Game.java:34)
02-12 12:46:49.781 1008-1037/br.com.alura.jumper E/AndroidRuntime: at java.lang.Thread.run(Thread.java:818)
02-12 12:46:49.920 1008-1048/br.com.alura.jumper D/OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: true
02-12 12:46:49.949 1008-1008/br.com.alura.jumper D/: HostConnection::get() New Host Connection established 0xb23ff650, tid 1008
02-12 12:46:50.332 1008-1048/br.com.alura.jumper I/OpenGLRenderer: Initialized EGL, version 1.4
02-12 12:46:50.446 1008-1048/br.com.alura.jumper W/EGL_emulation: eglSurfaceAttrib not implemented
02-12 12:46:50.446 1008-1048/br.com.alura.jumper W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xaca7f9e0, error=EGL_SUCCESS
02-12 12:46:50.583 1008-1016/br.com.alura.jumper W/art: Suspending all threads took: 34.393ms
02-12 12:46:51.001 1008-1008/br.com.alura.jumper I/Choreographer: Skipped 47 frames! The application may be doing too much work on its main thread.
02-12 12:46:51.769 1008-1048/br.com.alura.jumper E/Surface: getSlotFromBufferLocked: unknown buffer: 0xaca79bf0
02-12 12:51:50.204 1008-1037/br.com.alura.jumper I/Process: Sending signal. PID: 1008 SIG: 9