Cross origin requests are only supported for protocol schemes: http, data, chrom

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在Android 4.2以后webView加载本地的html。如果是通过file的方式访问，就会报如下的错误

zepto.js:1533 Failed to load file:///storage/emulated/0/Android/data/com.xx.xx.android/files/app/plugins/portal/i18n/MResource_zh-CN.properties?_=1542848384751: Cross origin requests are only supported for protocol schemes: http, data, chrome, https.

解决方法：

if (Build.VERSION.SDK_INT >= 16) {
	webView.getSettings().setAllowFileAccessFromFileURLs(true);
}