navigator.camera.getPicture 在 android 中不起作用答案

【问题标题】：navigator.camera.getPicture not working in androidnavigator.camera.getPicture 在 android 中不起作用
【发布时间】：2017-08-03 11:48:59
【问题描述】：

我正在使用 Cordova 和 Worklight 6.3 开发应用程序，但在使用 camera.getPicture 函数时遇到问题。

请检查下面的相机代码 sn-p。

var cameraOptions = {
    quality: 50,
    targetWidth: 720,
    targetHeight: 600,
    encodingType: Camera.EncodingType.JPEG,
    destinationType: Camera.DestinationType.DATA_URL,
    correctOrientation: true,
    sourceType: Camera.PictureSourceType.CAMERA
};

Android 错误日志：

08-04 12:43:26.727: E/PluginManager(1168): Uncaught exception from plugin
08-04 12:43:26.727: E/PluginManager(1168): java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.XmlResourceParser android.content.pm.ProviderInfo.loadXmlMetaData(android.content.pm.PackageManager, java.lang.String)' on a null object reference
08-04 12:43:26.727: E/PluginManager(1168):  at android.support.v4.content.FileProvider.parsePathStrategy(FileProvider.java:560)
08-04 12:43:26.727: E/PluginManager(1168):  at android.support.v4.content.FileProvider.getPathStrategy(FileProvider.java:534)
08-04 12:43:26.727: E/PluginManager(1168):  at android.support.v4.content.FileProvider.getUriForFile(FileProvider.java:376)
08-04 12:43:26.727: E/PluginManager(1168):  at cordova.camera.CameraLauncher.takePicture(CameraLauncher.java:302)
08-04 12:43:26.727: E/PluginManager(1168):  at cordova.camera.CameraLauncher.callTakePicture(CameraLauncher.java:276)
08-04 12:43:26.727: E/PluginManager(1168):  at cordova.camera.CameraLauncher.execute(CameraLauncher.java:185)
08-04 12:43:26.727: E/PluginManager(1168):  at org.apache.cordova.CordovaPlugin.execute(CordovaPlugin.java:86)
08-04 12:43:26.727: E/PluginManager(1168):  at org.apache.cordova.PluginManager.exec(PluginManager.java:153)
08-04 12:43:26.727: E/PluginManager(1168):  at org.apache.cordova.CordovaBridge.jsExec(CordovaBridge.java:61)
08-04 12:43:26.727: E/PluginManager(1168):  at org.apache.cordova.ExposedJsApi.exec(ExposedJsApi.java:40)
08-04 12:43:26.727: E/PluginManager(1168):  at org.chromium.base.SystemMessageHandler.nativeDoRunLoopOnce(Native Method)
08-04 12:43:26.727: E/PluginManager(1168):  at org.chromium.base.SystemMessageHandler.handleMessage(SystemMessageHandler.java:39)
08-04 12:43:26.727: E/PluginManager(1168):  at android.os.Handler.dispatchMessage(Handler.java:102)
08-04 12:43:26.727: E/PluginManager(1168):  at android.os.Looper.loop(Looper.java:148)
08-04 12:43:26.727: E/PluginManager(1168):  at android.os.HandlerThread.run(HandlerThread.java:61)

我关注 ibm Fix 但同样的错误 https://www.ibm.com/support/knowledgecenter/SSHS8R_6.3.0/com.ibm.worklight.dev.doc/dev/t_android_cam_api_24.html

AndroidManifest.xml

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

<provider
        android:name="android.support.v4.content.FileProvider"
        android:authorities="${applicationId.fileprovider"
        android:exported="false"
        android:grantUriPermissions="true" >
        <meta-data
            android:name="android.support.FILE_PROVIDER_PATHS"
            android:resource="@xml/provider_paths" />

【问题讨论】：

该问题是否特定于某个 Android 版本？
请看：How do I avoid misusing tags?
Vinin K，我用几个版本测试了同样的问题：/
在您的 AndroidManifest.xml 中，这行似乎被错误地引用了 - android:authorities="${applicationId.fileprovider"。您能否将其更改为 android:authorities="${applicationId.fileprovider}" 并尝试更新给我们？

标签： android cordova ibm-mobilefirst cordova-plugins

【解决方案1】：

在 default.xml 中添加以下行

<preference name="applicationId" value="com.APPlol.test" /> 
// ID in widget is the value
<widget id="com.APPlol.test"></widget> // in config .xml

【讨论】：