最近我在使用React-Native應用程序時遇到了一個非常奇怪的問題。這裏是我的environement:請求權限時引發React-Native(Android):ArrayIndexOutOfBoundsException
- 矩形本地0.42.3
- 三星Galaxy Note 5
- 的Android 6.0
正如你可能知道,Android的權限模型自棉花糖改變,但一些幾天前,我得到了他的例外:
java.lang.RuntimeException:
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4156)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4250)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1839)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:158)
at android.app.ActivityThread.main(ActivityThread.java:7229)
at java.lang.reflect.Method.invoke(Native Method:0)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
Caused by: java.lang.ArrayIndexOutOfBoundsException:
at com.facebook.react.modules.permissions.PermissionsModule$1.invoke(PermissionsModule.java:119)
at com.facebook.react.modules.permissions.PermissionsModule.onRequestPermissionsResult(PermissionsModule.java:207)
at com.facebook.react.ReactActivityDelegate$1.invoke(ReactActivityDelegate.java:211)
at com.facebook.react.ReactActivityDelegate.onResume(ReactActivityDelegate.java:131)
at com.facebook.react.ReactActivity.onResume(ReactActivity.java:66)
at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1286)
at android.app.Activity.performResume(Activity.java:6987)
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4145)
首先,我以爲我錯過了在代碼檢查,如解釋here但這並非如此,因爲否則我會這樣,而不是消息:
java.lang.SecurityException: Permission Denial: opening provider com.android.providers.contacts.ContactsProvider2 from ProcessRecord{fac49ea 4674:com.gospacesmobile/u0a65} (pid=4674, uid=10065) requires android.permission.READ_CONTACTS or android.permission.WRITE_CONTACTS
我看着陣營本地的代碼,發現這樣的:
// com.facebook.react.modules.permissions.PermissionsModule.java
int[] results = (int[]) args[0];
if (results[0] == PackageManager.PERMISSION_GRANTED) { // <- the exception happens when results is empty
promise.resolve(GRANTED);
} else {
PermissionAwareActivity activity = (PermissionAwareActivity) args[1];
if (activity.shouldShowRequestPermissionRationale(permission)) {
promise.resolve(DENIED);
} else {
promise.resolve(NEVER_ASK_AGAIN);
}
}
根據documentation的grantResults變量可能是空的,只要權限請求被取消:
@Override
public void onRequestPermissionsResult(int requestCode,
String permissions[], int[] grantResults) {
switch (requestCode) {
case MY_PERMISSIONS_REQUEST_READ_CONTACTS: {
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// contacts-related task you need to do.
} else {
// permission denied, boo! Disable the
// functionality that depends on this permission.
}
return;
}
// other 'case' lines to check for other
// permissions this app might request
}
}
不幸的是,我沒有客戶端代碼(如崩潰在谷歌控制檯開發報告沒有提及它)。在任何情況下,不應該React-Native檢查是否爲空的grantResults?這是一個錯誤?如果是的話,這怎麼能被複制?我不認爲有任何辦法可以做到這一點,除非取消承諾,確保是否已啓用權限(考慮反應原生權限API是不可能的)。
任何想法都非常受歡迎。先謝謝你。
我遇到過類似的問題。加載我的應用程序的開發版本時請求權限。我認爲它會在應用程序啓動時將應用程序縮小,並導致崩潰。我不確定它是否仍然是生產中的問題。 – Culzean