Cordova-扫描二维码(竖屏) 原

2019-04-04 11:33:30 浏览数 (1)

首先想到的是安装cordova plugin add cordova-plugin-barcodescanner插件

插件安装的比较顺利,但是打包时总出现问题,按下面解决方法ok This is how I've solved it. 1. Open plugins/cordova-plugin-barcode-scanner/plugin.xml and delete all records xmlns:android="" 2. Open  platforms/android/android.json and delete all xmlns:android="" 3. Do the same in platforms/android/AndroidManifest.xml

打包完成后,装到手机上,打开app ,弹出alert scanning failed:write settings:false ,不能扫描。

最后在platformsandroidAndroidManifest.xml 文件中修改配置文件目标sdk为22,扫描ok

<uses-sdk android:minSdkVersion="16" android:targetSdkVersion="22" />

但是发现扫描不能竖屏使用,横屏很不方便。

后来发现phonegap-plugin-barcodescanner插件可以竖屏扫描,于是赶紧安装这个插件试试

安装步骤

(1)首先按正常流程初始化项目,默认安装的是cordova-build 是6.1.2版本,安装它需要6.3及以上版本

         更新cordova-build版本 cordova platform update android@6.3.0

(2)cordova plugin add phonegap-plugin-barcodescanner

        在安装的时候会下载gradle-3.3-all.zip,估计网速慢的原因下载不下来,需要手动下载

       然后放到E:cordovahelloplatformsandroidgradle目录里        同时修改E:cordovahelloplatformsandroidcordovalibbuilders 下的GradleBuilder.js       var distributionUrl =process.env['CORDOVA_ANDROID_GRADLE_DISTRIBUTION_URL'] || '../gradle-3.3-all.zip';

(3)<uses-sdk android:minSdkVersion="16" android:targetSdkVersion="26" />   targetSdkVersion        改成26        Android SDK Manager内同时下载SDK Platform  Android 8.0.0(API26)

顺利安装完成!!!

附上前端代码

代码语言:javascript复制
<!DOCTYPE html>
<html>
<head>
    <title>take Photo</title>
    <meta http-equiv="Content-type" content="text/html; charset=utf-8">
    <meta name="viewport" content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width">
    <script type="text/javascript" charset="utf-8" src="cordova.js"></script>
<script type="text/javascript">
function scanCode() {
    alert("hi code")
	
    cordova.plugins.barcodeScanner.scan(
      function (result) {
          alert("We got a barcoden"  
                "Result: "   result.text   "n"  
                "Format: "   result.format   "n"  
                "Cancelled: "   result.cancelled);
			document.getElementById("text").value=result.text;	
				
      }, 
      function (error) {
          alert("Scanning failed: "   error);
      }
   );
}
</script>
</head>

<body style="padding-top:50px">
  <input type="text" id="text" />
  <button href="#" class="btn" onclick="scanCode();">扫描</button>
</body>
</html>

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