我为调试和发布设置了相同的构建类型,
buildTypes {
debug {
buildConfigField "String", "API_BASE_URL", "\"https://www.testUrl.com/api/\""
minifyEnabled true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
signingConfig signingConfigs.release_key
}
release {
buildConfigField "String", "API_BASE_URL", "\"https://www.testUrl.com/api/\""
minifyEnabled true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
signingConfig signingConfigs.release_key
}
}
但是如果我使用该版本进行构建,则会出现以下错误。 而且,服务器响应完全相同。
W/System.err: java.lang.NullPointerException: The mapper function returned a null value.
W/System.err: at b.a.e.b.b.a(Unknown Source)
W/System.err: at b.a.e.e.b.bs$a.onNext(Unknown Source)
W/System.err: at b.a.e.e.b.cm$a.onNext(Unknown Source)
W/System.err: at retrofit2.adapter.rxjava2.BodyObservable$BodyObserver.onNext(Unknown Source)
W/System.err: at retrofit2.adapter.rxjava2.BodyObservable$BodyObserver.onNext(Unknown Source)
W/System.err: at retrofit2.adapter.rxjava2.CallExecuteObservable.subscribeActual(Unknown Source)
W/System.err: at b.a.l.subscribe(Unknown Source)
W/System.err: at retrofit2.adapter.rxjava2.BodyObservable.subscribeActual(Unknown Source)
W/System.err: at b.a.l.subscribe(Unknown Source)
W/System.err: at b.a.e.e.b.cm$a.a(Unknown Source)
W/System.err: at b.a.e.e.b.cm.subscribeActual(Unknown Source)
W/System.err: at b.a.l.subscribe(Unknown Source)
W/System.err: at b.a.e.e.b.bs.subscribeActual(Unknown Source)
W/System.err: at b.a.l.subscribe(Unknown Source)
W/System.err: at b.a.e.e.b.bw.subscribeActual(Unknown Source)
W/System.err: at b.a.l.subscribe(Unknown Source)
W/System.err: at b.a.e.e.b.dd$b.run(Unknown Source)
W/System.err: at b.a.s$a.run(Unknown Source)
W/System.err: at b.a.e.g.j.run(Unknown Source)
W/System.err: at b.a.e.g.j.call(Unknown Source)
W/System.err: at java.util.concurrent.FutureTask.run(FutureTask.java:237)
W/System.err: at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:272)
W/System.err: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
W/System.err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
W/System.err: at java.lang.Thread.run(Thread.java:761)
问题来自 RxJava 2,它不允许
null
值沿流传递。特别是在您的情况下,您有一个映射器函数,它返回一个 null
值,异常清楚地表明了这一点。
您可以使用以下代码块来重现该内容:
Observable.just(1)
.map(integer -> null)
.test()
.assertError(throwable ->
"The mapper function returned a null value.".equals(throwable.getMessage()));
java.lang.NullPointerException 在 com.kbzbank.emponboard.ui.dashboard.HomeFragment.changeStatus$lambda-21(未知来源:268) 在 com.kbzbank.emponboard.ui.dashboard.HomeFragment.$r8$lambda$YpkAtwNlLVqXZ0wSbVgWgAGqH3Y(未知来源:2) 在 com.kbzbank.emponboard.ui.dashboard.HomeFragment$$ExternalSyntheticLambda7.run(来源未知:23) 在 android.os.Handler.handleCallback(Handler.java:883) 在 android.os.Handler.dispatchMessage(Handler.java:100) 在 android.os.Looper.loop(Looper.java:224) 在 android.app.ActivityThread.main(ActivityThread.java:7562) 在 java.lang.reflect.Method.invoke(本机方法) 在 com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539) 在 com.android.internal.os.ZygoteInit.main(ZygoteInit.java:950)