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javascript - 适用于 Android 的 PhoneGap 相机 API - 未捕获的异常

转载 作者:塔克拉玛干 更新时间:2023-11-02 08:39:59 26 4
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我正在尝试使用 Android 中的 Phone gap 运行 Camera API,但遇到了各种问题。

我刚刚复制了 phonegap 相机示例。

我收到以下错误

07-12 18:18:00.706: E/Web Console(17837): Uncaught TypeError: Cannot read property 'SAVEDPHOTOALBUM' of undefined at file:///android_asset/www/index.html:98

07-12 18:17:59.456: E/Web Console(17837): Uncaught ReferenceError: Camera is not defined at file:///android_asset/www/index.html:67

我尝试了所有其他目的地类型。这很有效

destinationType: destinationType.FILE_URI
destinationType: Camera.DestinationType.FILE_URI
destinationType: destinationType.DATA_URL

我还添加了相机权限和硬件相机权限。但是还是失败了

下面是

<!DOCTYPE html>
<html>
<head>
<title>Capture Photo</title>

<script type="text/javascript" charset="utf-8" src="phonegap-1.0.0.js"></script>
<script type="text/javascript" charset="utf-8">

var pictureSource; // picture source
var destinationType; // sets the format of returned value

// Wait for PhoneGap to connect with the device
//
document.addEventListener("deviceready",onDeviceReady,false);

// PhoneGap is ready to be used!
//
function onDeviceReady() {
pictureSource=navigator.camera.PictureSourceType;
destinationType=navigator.camera.DestinationType;
}

// Called when a photo is successfully retrieved
//
function onPhotoDataSuccess(imageData) {
// Uncomment to view the base64 encoded image data
// console.log(imageData);

// Get image handle
//
var smallImage = document.getElementById('smallImage');

// Unhide image elements
//
smallImage.style.display = 'block';

// Show the captured photo
// The inline CSS rules are used to resize the image
//
smallImage.src = "data:image/jpeg;base64," + imageData;
}

// Called when a photo is successfully retrieved
//
function onPhotoURISuccess(imageURI) {
// Uncomment to view the image file URI
// console.log(imageURI);

// Get image handle
//
var largeImage = document.getElementById('largeImage');

// Unhide image elements
//
largeImage.style.display = 'block';

// Show the captured photo
// The inline CSS rules are used to resize the image
//
largeImage.src = imageURI;
}

// A button will call this function
//
function capturePhoto() {
// Take picture using device camera and retrieve image as base64-encoded string
navigator.camera.getPicture(onPhotoDataSuccess, onFail, {destinationType: Camera.DestinationType.FILE_URI, quality: 50 });
}

// A button will call this function
//
function capturePhotoEdit() {
// Take picture using device camera, allow edit, and retrieve image as base64-encoded string
navigator.camera.getPicture(onPhotoDataSuccess, onFail, { destinationType: Camera.DestinationType.FILE_URI,quality: 20, allowEdit: true });
}

// A button will call this function
//
function getPhoto(source) {
// Retrieve image file location from specified source
navigator.camera.getPicture(onPhotoURISuccess, onFail, { quality: 50,
destinationType: Camera.DestinationType.FILE_URI,
sourceType: source });
}

// Called if something bad happens.
//
function onFail(message) {
alert('Failed because: ' + message);
}

</script>
</head>
<body>
<button onclick="capturePhoto();">Capture Photo</button> <br>
<button onclick="capturePhotoEdit();">Capture Editable Photo</button> <br>
<button onclick="getPhoto(pictureSource.PHOTOLIBRARY);">From Photo Library</button><br>
<button onclick="getPhoto(pictureSource.SAVEDPHOTOALBUM);">From Photo Album</button><br>
<img style="display:none;width:60px;height:60px;" id="smallImage" src="" />
<img style="display:none;" id="largeImage" src="" />
</body>
</html>

最佳答案

确保您在 HTML 中包含正确的(最新的)cordova 文件。

我有同样的问题,我正在包括

cordova-1.8.0.js

而不是

cordova-2.4.0.js

关于javascript - 适用于 Android 的 PhoneGap 相机 API - 未捕获的异常,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11461774/

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