Question

我正在使用Android API级别18进行fleetboard应用程序。在车辆演示应用期间，我收到标题中提到的错误。任何人都可以帮助我吗？

堆栈跟踪

java.lang.Throwable中在com.intellij.openapi.project.DumbServiceImpl.queueTask（DumbServiceImpl.java:165）在com.intellij.openapi.roots.impl.ProjectRootManagerComponent.doSynchronizeRoots（ProjectRootManagerComponent.java:295）在com.intellij.openapi.roots.impl.ProjectRootManagerImpl.fireRootsChanged（ProjectRootManagerImpl.java:414）在com.intellij.openapi.roots.impl.ProjectRootManagerImpl.access $ 100（ProjectRootManagerImpl.java:55）在com.intellij.openapi.roots.impl.ProjectRootManagerImpl $ BatchSession.fireChange（ProjectRootManagerImpl.java:112）在com.intellij.openapi.roots.impl.ProjectRootManagerImpl $ BatchSession.rootsChanged（ProjectRootManagerImpl.java:125）在com.intellij.openapi.roots.impl.ProjectRootManagerImpl.mergeRootsChangesDuring（ProjectRootManagerImpl.java:319）在com.android.tools.idea.gradle.util.Projects.lambda $ null $ 5（Projects.java:236）在com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction（ApplicationImpl.java:898）在com.android.tools.idea.gradle.util.Projects.lambda $ executeProjectChanges $ 6（Projects.java:234） at java.awt.event.InvocationEvent.dispatch（InvocationEvent.java:301） at java.awt.EventQueue.dispatchEventImpl（EventQueue.java:756） at java.awt.EventQueue.access $ 500（EventQueue.java:97） at java.awt.EventQueue $ 3.run（EventQueue.java:709） at java.awt.EventQueue $ 3.run（EventQueue.java:703） at java.security.AccessController.doPrivileged（Native Method） at java.security.ProtectionDomain $ JavaSecurityAccessImpl.doIntersectionPrivilege（ProtectionDomain.java:80） at java.awt.EventQueue.dispatchEvent（EventQueue.java:726）在com.intellij.ide.IdeEventQueue.defaultDispatchEvent（IdeEventQueue.java:795）在com.intellij.ide.IdeEventQueue._dispatchEvent（IdeEventQueue.java:631）在com.intellij.ide.IdeEventQueue.dispatchEvent（IdeEventQueue.java:387） at java.awt.EventDispatchThread.pumpOneEventForFilters（EventDispatchThread.java:201） at java.awt.EventDispatchThread.pumpEventsForFilter（EventDispatchThread.java:116） at java.awt.EventDispatchThread.pumpEventsForHierarchy（EventDispatchThread.java:105） at java.awt.EventDispatchThread.pumpEvents（EventDispatchThread.java:101） at java.awt.EventDispatchThread.pumpEvents（EventDispatchThread.java:93）在java.awt.EventDispatchThread.run（EventDispatchThread.java:82）

Build.Gradle（app）

    apply plugin: 'com.android.application'

android {
    compileSdkVersion 18
    buildToolsVersion '25.0.0'

    defaultConfig {
        applicationId "com.fleetboard.sdk.demo"
        minSdkVersion 18
        targetSdkVersion 18
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.android.support:support-v4:19.1.0'
}

bundle.gradle（项目）

buildscript {
    repositories {
        jcenter()
        maven { url "http://jcenter.bintray.com"}
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.3'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        jcenter()
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '2.10' //we want gradle 2.10 to run this project
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

＆＃39; int com.fleetboard.sdk.lib.version.SdkVersion.fmajor＆＃39;

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package com.fleetboard.sdk.lib.version;

public class SdkVersion {
    private final int fMajor;
    private final int fMinor;
    private final int fBugfix;
    private final int fBuild;
    private final String fVersionCode;

    public SdkVersion(int major, int minor, int bugfix, int build) {
        this.fMajor = major;
        this.fMinor = minor;
        this.fBugfix = bugfix;
        this.fBuild = build;
        this.fVersionCode = this.fMajor + "." + this.fMinor + "." + this.fBugfix + "." + this.fBuild;
    }

    public boolean isMajorCompatibleTo(SdkVersion other) {
        return this.fMajor == other.fMajor;
    }

    public boolean isMinorCompatibleTo(SdkVersion other) {
        return this.isMajorCompatibleTo(other) && this.fMinor <= other.fMinor;
    }

    public int getMajor() {
        return this.fMajor;
    }

    public int getMinor() {
        return this.fMinor;
    }

    public int getBugfix() {
        return this.fBugfix;
    }

    public int getBuild() {
        return this.fBuild;
    }

    public String getVersionCode() {
        return this.fVersionCode;
    }

    public String toString() {
        StringBuffer buffer = new StringBuffer();
        buffer.append("SdkVersion [fMajor=");
        buffer.append(this.fMajor);
        buffer.append(", fMinor=");
        buffer.append(this.fMinor);
        buffer.append(", fBugfix=");
        buffer.append(this.fBugfix);
        buffer.append(", fBuild=");
        buffer.append(this.fBuild);
        buffer.append(", fVersionCode=");
        buffer.append(this.fVersionCode);
        buffer.append("]");
        return buffer.toString();
    }

    public int hashCode() {
        boolean prime = true;
        byte result = 1;
        int result1 = 31 * result + this.fBugfix;
        result1 = 31 * result1 + this.fBuild;
        result1 = 31 * result1 + this.fMajor;
        result1 = 31 * result1 + this.fMinor;
        return result1;
    }

    public boolean equals(Object obj) {
        if(this == obj) {
            return true;
        } else if(obj == null) {
            return false;
        } else if(this.getClass() != obj.getClass()) {
            return false;
        } else {
            SdkVersion other = (SdkVersion)obj;
            return this.fBugfix != other.fBugfix?false:(this.fBuild != other.fBuild?false:(this.fMajor != other.fMajor?false:this.fMinor == other.fMinor));
        }
    }
}

在这个文件中我发现了一个通知：Decompiled.class，字节码版本：50.0（Java 6）......但由于找不到源代码，我无法安装。

Answer 1

我们已向公众发布了开发者门户网站。您现在可以注册为开发人员/应用程序提供商。

请转到https://developer.fleetboard.com点击一次＆＃34;您想成为应用提供商吗？＆＃34;

该向导将指导您完成注册过程。

错误：尝试从字段中读取＆＃39; int com.fleetboard.sdk.lib.version.SdkVersion.fmajor＆＃39;在空对象引用

1 个答案: