Android Activity_第3页-阿里云

Android 中Fragment和Activity之间的通信

前言：通过回调接口的方法实现fragment和Activity之间的通信。效果演示：布局文件activity_container.xml<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http...

Android 中使用intent.putExtra实现Activity之间的参数传递

1.Bundle简介：Bundle主要用于传输数据，它保存的数据，是以key-value的形式存储的。Bundle常用于在Activity间传递数据，当bundle传递的是对象或对象数组时，必须实现Serializable或Parcelable接口.。intent.putExtra(键值对，具体要...

开源Android容器化框架Atlas开发者指南

7 课时 |

1532 人已学 |

加入学习

Android 开发四大组件（Activity、Service、Broadcast Receiver、Content Provider）

活动 (Activity)Android 中，Activity 是所有程序的根本，所有程序的流程都运行在 Activity 之中，Activity 可以算是开发者遇到的最频繁，也是 Android 当中最基本的模块之一。一般一个 Android 应用是由多个 Activity 组成的。这多个 Ac...

应用研发平台EMAS Android端辅助通道收到推送通知后单击通知无法打开相应Activity？

问题一：应用研发平台EMAS Android端辅助通道收到推送通知后单击通知无法打开相应Activity？问题二：不去实现AndroidPopupActivity 默认会打开首页吗？

Android中下拉通知栏，Activity会走哪些生命周期？

Activity，Android中的四大组件之一，任何一个应用必须包含一个或以上的Activity，它是所有功能的载体，是用户看得见摸得着的，权重毋庸置疑，也是面试中常见的基础面试之一，对于它的生命周期的轨迹，相信大家并不陌生，比如，创建一个Activity...

现代化 Android 开发：多 Activity 多 Page 的 UI 架构

在古老的 Android 时代，基本上一个 Activity 就代表一个界面，所以开发不需要做选择，但随着技术的迭代与框架的完善，Fragment 的使用成为主流，再进化为 Jetpack 的 navigation。再到如今越来越火热的 Compose。同是 Android 开发，可能选择的技术栈已...

Android：四大组件之 Activity

目录一、Activity 的定义 Activity 是一个用户界面，通过加载一个指定的布局文件来展示各种 UI 元素，同时处理这些 UI 元素的交互事件，如点击、输入文本等。不同的 Activity 之间可以进行跳转，将不同的页面串联起来，共同完成特定的操作流程。每个应用都是由一个或者多个 Act...

Android Activity Result API

startActivityForResult问题startActivityForResult(Intent(this, SecondActivity::class.java), REQ_CODE) override fun onActivityResult(requestCode: Int, res...

【Android】Fragment跳转Activity时携带数据

在网上你可以看到很多Fragment都是用接口回调来携带数据跳转到Activity。我觉得好麻烦，于是你们可以用我下面的方法而我们可以直接使用下面这个方法：protected void startActivity(Bundle bundle, Class<?> cls) { Inte...

安卓activity劫持测试工具开发

一、前言在日常对Android apk安全测试过程中，有一个测试用例是界面劫持(activity劫持，安卓应用的界面是一层一层的，后启动的应用会在栈顶，显示在最前面)，就是恶意apk可以不停枚举进程是否存在要劫持的目标进程。如果发现了目标进程，就将自己的欺骗页面启动；如果目标apk未对界面劫持进行反...

共有648条

< 1 2 3 4 ... 65 >

跳转至： GO

更新时间 2024-05-11 02:06:50

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"第八代ECS云服务器ARM实例g8m。","iconImg":"https://img.alicdn.com/imgextra/i3/O1CN01i88SBP1rJt1KD8tYO_!!6000000005611-2-tps-200-200.png","contentLink":"https://www.aliyun.com/daily-act/ecs/ecs_yitian","title":"第八代ECS云服务器ARM实例g8m开放邀测","des":"ARM实例g8m基于倚天710处理器，有效应用于云原生、Android in Cloud、视频编解码和游戏服务等场景","link1":"https://page.aliyun.com/form/act1849678712/index.htm?spm=5176.26702442.J_2222087260.1.7fcf15afoqznH1","btn1":"立即申请邀测","link2":"https://help.aliyun.com/document_detail/108490.html#g8m","btn2":"产品文档","btn3":"","link3":"","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"ECS精选特惠","firstContentLink":"https://www.aliyun.com/daily-act/ecs/activity_selection","lastContentLink":"https://ecs-buy.aliyun.com/buyRedirect?spm=5176.21618197.J_2222087260.1.32657cfcCpl00i&regionId=cn-beijing&instanceType=ecs.c7.xlarge&periodType=Yearly","lastContentName":"ECS第7代云服务器"}},{"infoName":"产品入门","infoContent":{"firstContentName":"常见问题","lastContentName":"快速入门","firstContentLink":"https://help.aliyun.com/knowledge_detail/127067.html","lastContentLink":"https://help.aliyun.com/document_detail/25422.html"}},{"infoName":"相关产品","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/25389.html","firstContentName":"镜像","lastContentName":"网络","lastContentLink":"https://help.aliyun.com/document_detail/61651.html"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/imgextra/i3/O1CN01i88SBP1rJt1KD8tYO_!!6000000005611-2-tps-200-200.png","bannerTitle":"云服务器ECS ARM实例","bannerContent":"基于ARM芯片，结合神龙架构，稳定和可预期的性能的云服务器","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/daily-act/ecs/ecs_arm","contentTitle":"神龙架构与ARM芯片强强联合，超高且稳定可期的性能表现","homePageLink":"https://ecs-buy.aliyun.com/wizard?spm=5176.219089785176.J_2222087260.1.689f5934eSq2ZH#/prepay/cn-hangzhou?periodType=Yearly&instanceType=ecs.g6r.xlarge","homePageName":"立即购买","linkGroup":[{"linkContent":"基于ARM芯片"},{"linkContent":"稳定和可预期的性能"},{"linkContent":"神龙架构"}]}],"title":{"mainTitle":"第八代ECS云服务器ARM实例g8m开放邀测","subtitle":"ARM实例g8m基于倚天710处理器，有效应用于云原生、Android in Cloud、视频编解码和游戏服务等场景","linkUrl":"https://www.aliyun.com/daily-act/ecs/ecs_yitian","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"第八代ECS云服务器ARM实例g8m。","iconImg":"https://img.alicdn.com/imgextra/i3/O1CN01i88SBP1rJt1KD8tYO_!!6000000005611-2-tps-200-200.png","contentLink":"https://www.aliyun.com/daily-act/ecs/ecs_yitian","title":"第八代ECS云服务器ARM实例g8m开放邀测","des":"ARM实例g8m基于倚天710处理器，有效应用于云原生、Android in Cloud、视频编解码和游戏服务等场景","link1":"https://page.aliyun.com/form/act1849678712/index.htm?spm=5176.26702442.J_2222087260.1.7fcf15afoqznH1","btn1":"立即申请邀测","link2":"https://help.aliyun.com/document_detail/108490.html#g8m","btn2":"产品文档","btn3":"","link3":"","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"ECS精选特惠","firstContentLink":"https://www.aliyun.com/daily-act/ecs/activity_selection","lastContentLink":"https://ecs-buy.aliyun.com/buyRedirect?spm=5176.21618197.J_2222087260.1.32657cfcCpl00i&regionId=cn-beijing&instanceType=ecs.c7.xlarge&periodType=Yearly","lastContentName":"ECS第7代云服务器"}},{"infoName":"产品入门","infoContent":{"firstContentName":"常见问题","lastContentName":"快速入门","firstContentLink":"https://help.aliyun.com/knowledge_detail/127067.html","lastContentLink":"https://help.aliyun.com/document_detail/25422.html"}},{"infoName":"相关产品","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/25389.html","firstContentName":"镜像","lastContentName":"网络","lastContentLink":"https://help.aliyun.com/document_detail/61651.html"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/imgextra/i3/O1CN01i88SBP1rJt1KD8tYO_!!6000000005611-2-tps-200-200.png","bannerTitle":"云服务器ECS ARM实例","bannerContent":"基于ARM芯片，结合神龙架构，稳定和可预期的性能的云服务器","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/daily-act/ecs/ecs_arm","contentTitle":"神龙架构与ARM芯片强强联合，超高且稳定可期的性能表现","homePageLink":"https://ecs-buy.aliyun.com/wizard?spm=5176.219089785176.J_2222087260.1.689f5934eSq2ZH#/prepay/cn-hangzhou?periodType=Yearly&instanceType=ecs.g6r.xlarge","homePageName":"立即购买","linkGroup":[{"linkContent":"基于ARM芯片"},{"linkContent":"稳定和可预期的性能"},{"linkContent":"神龙架构"}]}],"title":{"mainTitle":"第八代ECS云服务器ARM实例g8m开放邀测","subtitle":"ARM实例g8m基于倚天710处理器，有效应用于云原生、Android in Cloud、视频编解码和游戏服务等场景","linkUrl":"https://www.aliyun.com/daily-act/ecs/ecs_yitian","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}