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| ### 1.高德地图根据IP获取当前位置信息 | |
| ```language | |
| http://restapi.amap.com/v3/ip?key=c8d499635271ab4f9d449d35911e2cf1 | |
| { | |
| "status":"1", | |
| "info":"OK", | |
| "infocode":"10000", | |
| "province":"广东省", | |
| "city":"深圳市", |
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| ### 1.关于Warning: setState(...): Can only update a mounted or mounting component. This usually means you called setState() on an unmounted component. This is a no-op.的解决方案 | |
| ```language | |
| a.一、在卸载的时候对所有的操作进行清除(例如:abort你的ajax请求或者清除定时器) | |
| componentWillUnMount = () => { | |
| //1.ajax请求 | |
| $.ajax.abort() | |
| //2.定时器 | |
| clearTimeout(timer) | |
| } |
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| 苹果系统还原(注:要用电脑打开连接) [苹果系统还原(注:要用电脑打开连接) http://v.youku.com/v_show/id_XODE5MDM1NzMy.htm](http://v.youku.com/v_show/id_XODE5MDM1NzMy.htm) |
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| ### 安装配置 | |
| - [https://www.cnblogs.com/yanglh6-jyx/p/Android_AS_Configuration.html](https://www.cnblogs.com/yanglh6-jyx/p/Android_AS_Configuration.html) | |
| - [https://www.cnblogs.com/xiadewang/p/7820377.html](https://www.cnblogs.com/xiadewang/p/7820377.html) | |
| - [https://blog.csdn.net/m0_37711172/article/details/79752366](https://blog.csdn.net/m0_37711172/article/details/79752366) | |
| - [https://www.cnblogs.com/morlin/p/4603768.html](https://www.cnblogs.com/morlin/p/4603768.html) |
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| ### 1.修改 gradle.properties | |
| ```language | |
| 使用gradlew.bat assembleRelease --console plain无法打包 | |
| 观察报错内容,其中有 > Connect to 127.0.0.1:80 [/127.0.0.1] failed: Connection refused: connect,第一反映是网络代理问题,于是找到 系统盘符:\Users\管理员用户名\.gradle 文件夹中的 gradle.properties 文件,将其中的代理相关设置,用 # 注释掉。 | |
| # systemProp.http.proxyHost=127.0.0.1 |
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| ### 集成移动数据分析SDK后与支付宝SDK发生符号冲突 | |
| - 最近做app使用了支付宝支付和阿里移动推送服务,sdk冲突编译一直失败 | |
| ```language | |
| 解决方案就是移除旧包,去下面链接下载新的sdk,重新编译,OK! | |
| ``` | |
| [https://docs.open.alipay.com/54/104509](https://docs.open.alipay.com/54/104509) |
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| ### 使用AS编译时 | |
| ```language | |
| ,报Error:Execution failed for task ':app:transformClassesWithDexForDebug'. > com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concur | |
| 这是因为在project中导入了大量的第三方包,导致内存过大,在编译的时候出现的OOM, | |
| 解决方式 |
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| ```language | |
| 修改 android.bat,直接指定java.exe所在位置, | |
| 不用去调用find_java.bat将 | |
| rem Check we have a valid Java.exe in the path. | |
| 这行下面的set java_exe= | |
| 改为set java_exe= | |
| "D:\Program Files\Java\jdk1.7.0_07\bin\java.exe" | |
| (java.exe的所在位置) | |
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| ### 装jdk,配置环境变量 | |
| ### 安装Android的sdk,配置环境变量 | |
| ```html | |
| 第一步:填加系统环境变量ANDROID_HOME,值为 Android skd的安装路径,: G:\Android\android-sdk | |
| 第二步:修改Path | |
| ;%ANDROID_HOME%\tools | |
| ;%ANDROID_HOME%\platform-tools | |
| ``` | |
| ### 修改镜像地址 |
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| ### 使用适配 | |
| ```javascript | |
| "use strict"; | |
| import React, {Component} from 'react'; | |
| import PropTypes from 'prop-types'; | |
| import { | |
| Text, | |
| View, | |
| Image, |