Android 4.2.2 System.loadLibrary崩溃

在Android4.2.2中,若libA.so依赖于libB.so,必须先加载libB.so,否则会因找不到库而崩溃。文章详细解析了这一问题,并提供了解决方案。
FAILURE: Build failed with an exception. * What went wrong: A problem occurred configuring root project 'My Application'. > Could not resolve all artifacts for configuration ':classpath'. > Could not resolve com.android.tools.build:gradle:4.2.2. Required by: project : > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://repo.maven.apache.org/maven2/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://repo.maven.apache.org/maven2/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://jitpack.io/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://jitpack.io/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://maven.aliyun.com/nexus/content/repositories/google/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://maven.aliyun.com/nexus/content/repositories/google/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://maven.aliyun.com/nexus/content/groups/public/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://maven.aliyun.com/nexus/content/groups/public/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://maven.aliyun.com/repository/central/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://maven.aliyun.com/repository/central/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://maven.aliyun.com/repository/public/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://maven.aliyun.com/repository/public/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://maven.aliyun.com/repository/apache-snapshots/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://maven.aliyun.com/repository/apache-snapshots/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://repo.huaweicloud.com/repository/maven/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://repo.huaweicloud.com/repository/maven/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request > Could not resolve com.android.tools.build:gradle:4.2.2. > Could not get resource 'https://repo1.maven.org/maven2/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. > Could not HEAD 'https://repo1.maven.org/maven2/com/android/tools/build/gradle/4.2.2/gradle-4.2.2.pom'. Received status code 400 from server: Bad Request * Try: Run with --info or --debug option to get more log output. Run with --scan to get full insights.
最新发布
05-27
### Gradle 构建失败的原因分析 Gradle 构建失败通常是因为依赖项无法解析,这可能是由于以下几个原因造成的: #### 1. **未定义有效的Maven仓库** 如果项目中没有声明任何可用的Maven仓库,则Gradle无法找到所需的依赖项。例如,在引用的内容中提到 `Cannot resolve external dependency` 的错误表明缺少必要的仓库配置[^1]。 解决方案是在项目的根目录下的 `build.gradle` 文件中添加Google官方或其他可靠的Maven仓库地址。以下是推荐的仓库配置方式: ```groovy repositories { google() mavenCentral() } ``` 对于国内网络环境较差的情况,可以考虑使用阿里云镜像作为替代方案[^3]: ```groovy repositories { maven { url 'https://maven.aliyun.com/repository/google' } maven { url 'https://maven.aliyun.com/repository/public' } } ``` --- #### 2. **不安全协议警告** 现代版本的Gradle默认禁用了HTTP请求,仅支持HTTPS以提高安全性。因此,如果尝试访问基于HTTP的URL(如某些自定义仓库),可能会触发Bad Request (400) 错误或类似的连接问题。 确保所有的仓库链接都采用 HTTPS 协议。例如,将以下 HTTP 配置更改为 HTTPS: ```groovy // 不建议使用的HTTP配置 maven { url 'http://maven.aliyun.com/nexus/content/repositories/google' } // 推荐的安全HTTPS配置 maven { url 'https://maven.aliyun.com/repository/google' } ``` --- #### 3. **Gradle插件版本兼容性** 在引用内容中提到了关于 `com.android.tools.build:gradle:4.2.2` 插件的错误[^2]。此问题可能源于所选的Gradle插件版本与当前使用的Gradle Wrapper版本之间的不匹配。 验证并同步两者的版本号非常重要。可以在 `gradle/wrapper/gradle-wrapper.properties` 中检查Gradle Wrapper的版本,并调整到适合该插件的范围。例如,针对 `com.android.tools.build:gradle:4.2.2`,应至少使用Gradle 6.7及以上版本[^2]: ```properties distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip ``` 同时更新顶级 `build.gradle` 文件中的插件声明部分: ```groovy plugins { id 'com.android.application' version '4.2.2' apply false id 'com.android.library' version '4.2.2' apply false } ``` --- #### 4. **清理缓存和重新下载依赖** 有时本地缓存损坏也可能导致依赖项无法正常加载。可以通过执行以下命令来清除缓存并强制重新下载所需文件: ```bash ./gradlew clean --refresh-dependencies ``` 或者手动删除 `.gradle/caches` 和 `.gradle/wrapper` 目录后再重试构建过程。 --- ### 总结代码示例 综合以上方法,完整的 `build.gradle` 配置如下所示: ```groovy buildscript { repositories { google() mavenCentral() maven { url 'https://maven.aliyun.com/repository/google' } maven { url 'https://maven.aliyun.com/repository/public' } } dependencies { classpath "com.android.tools.build:gradle:4.2.2" } } allprojects { repositories { google() mavenCentral() maven { url 'https://maven.aliyun.com/repository/google' } maven { url 'https://maven.aliyun.com/repository/public' } } } ``` --- ###
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