引用
这个插件采用的是开源版的zxing,如果性能、识别率不满足需求的话,建议使用Scandit,它提供了Community SDK,并且支持Platforms(iOS/Android)、Frameworks(Titanium/Xamarin/Phonegap/Worklight)。其中Community版的支持UPC-A / UPC-E、EAN8 / EAN13、QR Code。
插件地址:
https://github.com/wildabeast/BarcodeScanner
(1)创建工程
引用
cordova create HelloBarcode com.rensanning.cordova HelloBarcode
cd HelloBarcode
cordova platform add android
(2)安装plugin
引用
cordova plugin add https://github.com/wildabeast/BarcodeScanner.git
(3)修改index.html后编译执行
<a href="#" class="btn" onclick="scanCode();">Scan Code</a>
<script type="text/javascript">
function scanCode() {
cordova.plugins.barcodeScanner.scan(
function (result) {
alert("We got a barcode\n" +
"Result: " + result.text + "\n" +
"Format: " + result.format + "\n" +
"Cancelled: " + result.cancelled);
},
function (error) {
alert("Scanning failed: " + error);
}
);
}
</script>
Android版本的Zxing插件默认是横向扫描的,竖向扫码需要修改插件的代码。这里有改好的,可以试试。
com.phonegap.plugins.barcodescanner.rar
<a href="#" class="btn enc" onclick="encodeText();">Encode Text</a>
<script type="text/javascript">
function encodeText() {
cordova.plugins.barcodeScanner.encode(
"TEXT_TYPE",
"http://www.baidu.com",
function(success) {
alert("encode success: " + success);
}, function(fail) {
alert("encoding failed: " + fail);
}
);
}
</script>
<a href="#" class="btn enc" onclick="encodeEmail();">Encode Email</a>
<script type="text/javascript">
function encodeEmail() {
cordova.plugins.barcodeScanner.encode(
"EMAIL_TYPE",
"rensanning@gmail.com",
function(success) {
alert("encode success: " + success);
}, function(fail) {
alert("encoding failed: " + fail);
}
);
}
</script>
<a href="#" class="btn enc" onclick="encodePhone();">Encode Phone</a>
<script type="text/javascript">
function encodePhone() {
cordova.plugins.barcodeScanner.encode(
"PHONE_TYPE",
"135-1234-5678",
function(success) {
alert("encode success: " + success);
}, function(fail) {
alert("encoding failed: " + fail);
}
);
}
</script>
<a href="#" class="btn enc" onclick="encodeSMS();">Encode SMS</a>
<script type="text/javascript">
function encodeSMS() {
cordova.plugins.barcodeScanner.encode(
"SMS_TYPE",
"An important message for someone.",
function(success) {
alert("encode success: " + success);
}, function(fail) {
alert("encoding failed: " + fail);
}
);
}
</script>
注意:
a) 没有实现CONTACT_TYPE 和 LOCATION_TYPE的encode。
b) 如果encode出错:
java.lang.NullPointerException
at com.google.zxing.client.android.encode.EncodeActivity.onCreateOptionsMenu(EncodeActivity.java:89)
下载最新的
encode.xml文件,覆盖 platforms\android\res\menu\encode.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/menu_share"
android:title="@string/menu_share"
android:icon="@android:drawable/ic_menu_share"
android:orderInCategory="1"
android:showAsAction="withText|ifRoom"/>
<item android:id="@+id/menu_encode"
android:title="@string/menu_encode_vcard"
android:icon="@android:drawable/ic_menu_sort_alphabetically"
android:orderInCategory="2"
android:showAsAction="withText|ifRoom"/>
</menu>