Bom dia!
Um dos meus alunos construiu esta app, mas neste momento não estamos a conseguir gerar o apk.
Quando geramos o apk dá este erro:
O App Inventor não pode compilar este projeto.
O compilador informou o seguinte erro
[ReadBuildInfo] Starting Task
[ReadBuildInfo] Task succeeded in 0.005 seconds
[LoadComponentInfo] Starting Task
[LoadComponentInfo] INFO: Generating assets...
[LoadComponentInfo] Component assets needed, n = 0
[LoadComponentInfo] INFO: Generating activities...
[LoadComponentInfo] Component activities needed, n = 0
[LoadComponentInfo] Component activity metadata needed, n = 0
[LoadComponentInfo] INFO: Generating broadcast receivers...
[LoadComponentInfo] Component content providers needed, n = 0
[LoadComponentInfo] INFO: Generating libraries...
[LoadComponentInfo] Libraries needed, n = 3
[LoadComponentInfo] Component metadata needed, n = 0
[LoadComponentInfo] INFO: Generating Android minimum SDK...
[LoadComponentInfo] INFO: Generating native libraries...
[LoadComponentInfo] Native Libraries needed, n = 0
[LoadComponentInfo] INFO: Generating permissions...
[LoadComponentInfo] usesLocation = False
[LoadComponentInfo] Permissions needed, n = 6
[LoadComponentInfo] Component services needed, n = 0
[LoadComponentInfo] INFO: Generating component broadcast receivers...
[LoadComponentInfo] Task succeeded in 0.006 seconds
[PrepareAppIcon] Starting Task
[PrepareAppIcon] INFO: Creating mipmap dirs...
[PrepareAppIcon] INFO: Generating icons...
[PrepareAppIcon] Generating icons for mipmap-mdpi
[PrepareAppIcon] Generating icons for mipmap-hdpi
[PrepareAppIcon] Generating icons for mipmap-xhdpi
[PrepareAppIcon] Generating icons for mipmap-xxhdpi
[PrepareAppIcon] Generating icons for mipmap-xxxhdpi
[PrepareAppIcon] Task succeeded in 1.118 seconds
[XmlConfig] Starting Task
[XmlConfig] INFO: Creating animation xml
[XmlConfig] Creating zoom_enter.xml
[XmlConfig] Creating fadeout.xml
[XmlConfig] Creating slide_v_exit.xml
[XmlConfig] Creating fadein.xml
[XmlConfig] Creating zoom_exit.xml
[XmlConfig] Creating slide_v_enter.xml
[XmlConfig] Creating zoom_exit_reverse.xml
[XmlConfig] Creating slide_v_enter_reverse.xml
[XmlConfig] Creating zoom_enter_reverse.xml
[XmlConfig] Creating slide_enter_reverse.xml
[XmlConfig] Creating slide_exit.xml
[XmlConfig] Creating hold.xml
[XmlConfig] Creating slide_enter.xml
[XmlConfig] Creating slide_v_exit_reverse.xml
[XmlConfig] Creating slide_exit_reverse.xml
[XmlConfig] INFO: Creating style xml
[XmlConfig] INFO: Creating provider_path xml
[XmlConfig] INFO: Creating network_security_config xml
[XmlConfig] INFO: Generating adaptive icon file
[XmlConfig] INFO: Generating round adaptive icon file
[XmlConfig] INFO: Generating adaptive icon background file
[XmlConfig] Task succeeded in 0.005 seconds
[CreateManifest] Starting Task
[CreateManifest] INFO: Reading project specs...
[CreateManifest] VCode: 1
[CreateManifest] VName: 1.0
[CreateManifest] Min SDK 7
[CreateManifest] INFO: Writing screen 'appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.InsercaoDados'
[CreateManifest] INFO: Writing screen 'appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.Iniciar_sessao'
[CreateManifest] INFO: Writing screen 'appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.Screen1'
[CreateManifest] INFO: Writing screen 'appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.Planeamento'
[CreateManifest] INFO: Writing screen 'appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.Sorteio'
[CreateManifest] Task succeeded in 0.001 seconds
[AttachNativeLibs] Starting Task
[AttachNativeLibs] Task succeeded in 0.001 seconds
[AttachAarLibs] Starting Task
[AttachAarLibs] Task succeeded in 0.15 seconds
[AttachCompAssets] Starting Task
[AttachCompAssets] Task succeeded in 0.001 seconds
[MergeResources] Starting Task
[MergeResources] Task succeeded in 0.188 seconds
[SetupLibs] Starting Task
[SetupLibs] Task succeeded in 0.0 seconds
[RunAapt] Starting Task
[RunAapt] Task succeeded in 0.843 seconds
[GenerateClasses] Starting Task
[GenerateClasses] INFO: Source File: appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/InsercaoDados.yail
[GenerateClasses] INFO: Source File: appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/Iniciar_sessao.yail
[GenerateClasses] INFO: Source File: appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/Screen1.yail
[GenerateClasses] INFO: Source File: appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/Planeamento.yail
[GenerateClasses] INFO: Source File: appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/Sorteio.yail
[GenerateClasses] INFO: Libraries Classpath = /tmp/kawa5767774678196197765.jar:/tmp/acra-4.4.011301260374026462172.jar:/tmp/AndroidRuntime1743030913553826181.jar:/tmp/annotation17268713472764189434.jar:/tmp/annotation-experimental16043092487030297994.jar:/tmp/appcompat9831712272008902036.jar:/tmp/asynclayoutinflater9564657064804881615.jar:/tmp/collection10021606809261394164.jar:/tmp/constraintlayout10892323948097536386.jar:/tmp/constraintlayout-solver4480046353950732687.jar:/tmp/coordinatorlayout2851039373117583380.jar:/tmp/core8574579103006534981.jar:/tmp/core-common11585694650001019235.jar:/tmp/core-runtime15698666895253506491.jar:/tmp/cursoradapter11123055982808296167.jar:/tmp/customview1116641037868306442.jar:/tmp/documentfile1708035300374810965.jar:/tmp/drawerlayout10554816136044462394.jar:/tmp/fragment14656140301613005405.jar:/tmp/interpolator12809543280919219518.jar:/tmp/legacy-support-core-ui6313846590926318655.jar:/tmp/legacy-support-core-utils13696030066770834227.jar:/tmp/lifecycle-common8265157360959240717.jar:/tmp/lifecycle-livedata8295972164023847335.jar:/tmp/lifecycle-livedata-core9986993730947298175.jar:/tmp/lifecycle-runtime8026440315957594293.jar:/tmp/lifecycle-viewmodel17522604425591030036.jar:/tmp/loader16393112728340475664.jar:/tmp/localbroadcastmanager3468908824065302860.jar:/tmp/print5623627301587924430.jar:/tmp/slidingpanelayout14550759822865147060.jar:/tmp/swiperefreshlayout1634536501770276272.jar:/tmp/vectordrawable11029259237178164187.jar:/tmp/vectordrawable-animated17672770168829449616.jar:/tmp/versionedparcelable6836689241314167860.jar:/tmp/viewpager3229519325530756078.jar:/tmp/recyclerview3970905946057922268.jar:/tmp/cardview8840766221344232930.jar:/tmp/1729753279758_4982203392914323456-0/youngandroidproject/../build/classes:/tmp/android5668900332078207066.jar
[GenerateClasses] ERROR: Kawa compile has failed.
(compiling appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/InsercaoDados.yail to appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.InsercaoDados)
(compiling appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/Iniciar_sessao.yail to appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.Iniciar_sessao)
(compiling appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/Screen1.yail to appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.Screen1)
(compiling appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/Planeamento.yail to appinventor.ai_juliabarata.Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3.Planeamento)
ERROR: appinventor/ai_juliabarata/Projeto_Final_UFCD_9975__Melissa_Canhoto_N17_3P3/Planeamento.yail line 151: duplicate declaration of 'back'
[GenerateClasses] ERROR: Can't find class file for Screen 'Planeamento'
[GenerateClasses] Task errored in 2.625 seconds
E no ecran de planeamento não encontramos nenhuma variavel duplicada.