Android view宽高的相关内容

文章 2024-06-21 来自：开发者社区

Android 自定义View 测量控件宽高、自定义viewgroup测量

1、View生命周期以及View层级 1.1、View生命周期 View的主要生命周期如下所示，包括创建、测量（onMeasure）、布局（onLayout）、绘制（onDraw）以及销毁等流程。自定义V...

文章 2024-06-21 来自：开发者社区

Android动态添加view设置view大小（宽高）

动态生成view并添加到布局开源框架：Dynamico GitHub - jelic98/dynamico: Android library for inflating dynamic layouts in runtime based on JSON configuration fetched from server 第一种：ViewGroup在添加子view的时候设置layou...

阿里云文档 2023-09-03

如何自定义Android小程序的View_移动开发平台 mPaaS(mPaaS)

说明：Android 小程序的自定义 View 功能仅在 mPaaS 10.1.68.29 及以上版本中支持。说明升级基线参考 mPaaS 升级指南升级基线版本至 10.1.68.29 及以上，并添加小程序组件至工程。mPaaS 升级指南使用定制的 appx 基础库，代码示例如下： depende...

阿里云文档 2023-09-03

如何自定义View的渲染参数_移动开发平台 mPaaS(mPaaS)

说明：Android 小程序自定义 View 自定义渲染参数功能仅在 mPaaS 10.1.68.29 及以上版本中支持。当前使用的基线版本低于 10.1.68.29 时，可参考 mPaaS 升级指南升级基线版本至 10.1.68.29。说明mPaaS 升级指南小程序标签内添加自定义渲染参数

阿里云文档 2023-09-03

Android小程序如何发送自定义消息_移动开发平台 mPaaS(mPaaS)

说明：Android 小程序发送自定义消息至自定义 View 功能仅在 mPaaS 10.1.68.29 及以上版本中支持。当前使用的基线版本低于 10.1.68.29 时，可参考 mPaaS 升级指南升级基线版本至 10.1.68.29。说明mPaaS 升级指南创建自定义 View contex...

阿里云文档 2023-09-03

如何发送自定义事件至小程序_移动开发平台 mPaaS(mPaaS)

说明：Android 自定义 View 发送自定义事件至小程序功能仅在 mPaaS 10.1.68.29 及以上版本中支持。当前使用的基线版本低于 10.1.68.29 时，可参考 mPaaS 升级指南升级基线版本至 10.1.68.29。说明mPaaS 升级指南在小程序标签内增加自定义事件回调在...

文章 2022-02-16 来自：开发者社区

android——获取view的宽高

在activity生命周期方法:onCreate(),onStart(),onResume()中调用View.getWidth()和View.getHeight()方法获取View的高度是不可行的，因为此时布局没有加载是不可见状态。还有当view的可见状态为：GONE，时获取的宽高也是0； 2. 解决办法：（1）直接测量： 1 2 3 4 5 6 7 8 9 10 priv...

文章 2022-02-16 来自：开发者社区

在activity中可以调用View.getWidth、View.getHeight()、View.getMeasuredWidth() 、View.getgetMeasuredHeight()来获得某个view的宽度或高度，但是在onCreate()、onStrart()、onResume()方法中会返回0，这是应为当前activity所代表的界面还没显示出来没有添加到WindowPhone的....

问答 2022-02-15 来自：开发者社区

Android中子View如何通知父容器子View的宽高已更改?报错

需要将自定义view在horizontalScrollView中显示, 先初始化自定义view(这时onMessure()已被父容器调用,宽高0,0), 然后将数据传递给自定义view, 绘制内容, 计算出宽高, 但是这时父容器已不会再调用onMessure了,认为自定义view宽高为0,0. 那么子View如何通知父容器子View的宽高已更改呢?

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更新时间 2024-06-22 08:40:46

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