我有java代碼是這樣的:的Java方法科特林反射接受零級陣列
Method m = device.getClass()
.getMethod("removeBondNative", (Class[]) null);
m.invoke(device, (Object[]) null);
,我試圖寫同樣的事情在科特林這樣的:
device.javaClass.getMethod("removeBondNative", null as Class<*>).invoke(device, null as Any)
,但我得到此錯誤消息:
Process: com.example.zemcd.toofxchange, PID: 17466
kotlin.TypeCastException: null cannot be cast to non-null type java.lang.Class<*>
at com.example.zemcd.toofxchange.BluetoothUtils$Companion.unPair(BluetoothUtils.kt:61)
at com.example.zemcd.toofxchange.DeviceAdapter$DeviceHolder$bindItems$1$$special$$inlined$forEach$lambda$1.onClick(DeviceAdapter.kt:98)
at android.view.View.performClick(View.java:5217)
at android.view.View$PerformClick.run(View.java:21349)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5585)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:730)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:620)
我也試着更改爲null,單位:
device.javaClass.getMethod("removeBondNative", Unit as Class<*>).invoke(device, null as Any)
,但仍然遇到錯誤:
Process: com.example.zemcd.toofxchange, PID: 19219
java.lang.ClassCastException: kotlin.Unit cannot be cast to java.lang.Class
at com.example.zemcd.toofxchange.BluetoothUtils$Companion.unPair(BluetoothUtils.kt:61)
at com.example.zemcd.toofxchange.DeviceAdapter$DeviceHolder$bindItems$1$$special$$inlined$forEach$lambda$1.onClick(DeviceAdapter.kt:98)
at android.view.View.performClick(View.java:5217)
at android.view.View$PerformClick.run(View.java:21349)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5585)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:730)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:620)
我在做什麼錯在這裏?在這種情況下,java反射如何在Kotlin中鏡像?
removeBondNative參數的類型是什麼?通常你給這個參數的類,例如'Int :: class.java'。你爲什麼要在這裏爲Class施放null? – Phoca
@Phoca param類型可能是布爾類型,但我一直在找到所有使用null類數組實現的示例。我見過的帖子聲稱它適用於他們,但對我來說根本不是。我會嘗試改變爲布爾值,但至於調用的調用,我該如何知道要作爲參數傳遞什麼?如果有幫助,我試圖取消配對藍牙設備。 –