-XX:+UseCompressedOops : 这个参数允许系统将代码里面的引用(reference)类型用32位存储,同时却能够让引用能够使用64位的内存大小。 我们知道现代的机器基本都是64位的,在这种情况下,Java代码里面的reference类型也变成了用64位来存储,这就导致了两个问题: 1. 64位比32为更大,占的内存更多,这是显然的,当然这个...
at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.lambda$applyToMutableState$0(DefaultProjectStateRegistry.java:360) at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.fromMutableState(DefaultProjectStateRegistry.java:378) at org.gradle.api.internal.pr...
添加using vendor.hardoware.hardware.test@1.0 实现接口 将编译出的service可执行程序编译进文件系统在/vendor/project/DEVELOPPRODUCT/device/(DEVELOP_PRODUCT).mk中添加: PRODUCT_PACKAGES += vendor.hardoware.hardware.test@1.0-service 将这个hwservice注册到系统(这样getService()才能找到它) 在/vendor/hardware/p...
OpenHarmony 源码 与 AOSP ( Android Open Source Project ) 源码 是完全不同的 , 二者都是基于 Linux 内核的操作系统 , 但是 二者的 设计理念不同 , 鸿蒙操作系统的设计理念远超 AOSP ; HarmonyOS 完全抛弃了Java语言 , 在之后的 HarmonyOS 系统 不再兼容 Android 系统 , Android 系统的 APK 应用无法安装到...
> Android Gradle plugin requires Java 11 to run. You are currently using Java 1.8. You can try some of the following options: - changing the IDE settings. - changing the JAVA_HOME environment variable. - changing `org.gradle.java.home` in `gradle.properties`. 解决方案 方案1:降级...
配置文件导入,在Android Studio中,切换至Project视图,将"agconnect-services.json"文件移至Android应用模块app的根目录下。 添加SDK依赖 在主工程gradle中添加Maven仓地址和agconnect服务依赖。 a) 打开主工程目录下的build.gradle文件。 b) 配置HMS Core SDK的Maven仓地址。
mavenCentral -> Project build.gradlerepositories { mavenCentral() maven { url "https://s01.oss.sonatype.org/content/groups/public" } } implementation 'com.github.javakam:file.core:3.9.8@aar' //核心库必选(Core library required) implementation 'com.github.javakam:file.selector:3.9.8@aar' ...
Java documentation for android.widget.FrameLayout.Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.Constructors 展开表 FrameLayout(Context,...
targetCompatibilityJavaVersion.VERSION_1_8sourceCompatibilityJavaVersion.VERSION_1_8} } dependencies {//权限请求框架:https://github.com/getActivity/XXPermissionsimplementation'com.github.getActivity:XXPermissions:21.2'} AndroidX 兼容 如果项目是基于AndroidX包,请在项目gradle.properties文件中加入 ...
Java documentation for java.lang.String.String(byte[], int, int, java.lang.String). Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License. Applies to .NET...