我正在尝试用相机拍照,但我得到了以下错误:
FATAL EXCEPTION: main
Process: com.example.marek.myapplication, PID: 6747
java.lang.IllegalArgumentException: Failed to find configured root that contains /storage/emulated/0/Android/data/com.example.marek.myapplication/files/Pictures/JPEG_20170228_175633_470124220.jpg
at android.support.v4.content.FileProvider$SimplePathStrategy.getUriForFile(FileProvider.java:711)
at android.support.v4.content.FileProvider.getUriForFile(FileProvider.java:400)
at com.example.marek.myapplication.MainActivity.dispatchTakePictureIntent(MainActivity.java:56)
at com.example.marek.myapplication.MainActivity.access$100(MainActivity.java:22)
at com.example.marek.myapplication.MainActivity$1.onClick(MainActivity.java:35)
AndroidManifest.xml:
<provider
android:name="android.support.v4.content.FileProvider"
android:authorities="com.example.marek.myapplication.fileprovider"
android:enabled="true"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths" />
</provider>
Java:
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// Ensure that there's a camera activity to handle the intent
if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
// Create the File where the photo should go
File photoFile = null;
try {
photoFile = createImageFile();
} catch (IOException ex) {
Toast.makeText(getApplicationContext(), "Error while saving picture.", Toast.LENGTH_LONG).show();
}
// Continue only if the File was successfully created
if (photoFile != null) {
Uri photoURI = FileProvider.getUriForFile(this,
"com.example.marek.myapplication.fileprovider",
photoFile);
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO);
}
}
file_paths.xml
<?xml version="1.0" encoding="utf-8"?>
<paths>
<files-path name="my_images" path="images/"/>
</paths>
我一整天都在搜索这个错误,并试图理解FileProvider
,但我不知道这个错误消息试图告诉我什么。如果你想要更多的信息/代码,请在评论中给我写信。
发布于 2017-12-28 22:07:59
在启用了版本(dev、stage)后遇到了类似的问题。
在flavors之前,我的path资源看起来是这样的:
<?xml version="1.0" encoding="utf-8"?>
<paths>
<external-path
name="my_images"
path="Android/data/pl.myapp/files/Pictures" />
</paths>
在清单中添加android:authorities="${applicationId}.fileprovider“后,appId是pl.myapp.dev还是pl.myapp.stage取决于口味,应用程序开始崩溃。我删除了完整路径,并将其替换为点,一切都开始工作了。
<?xml version="1.0" encoding="utf-8"?>
<paths>
<external-path
name="my_images"
path="." />
</paths>
发布于 2017-11-15 21:32:44
如果您使用的是内部缓存,则使用。
<paths xmlns:android="http://schemas.android.com/apk/res/android">
<cache-path name="cache" path="/" />
</paths>
发布于 2019-03-14 04:10:25
我确信我来晚了,但下面的方法对我很有效。
<paths>
<root-path name="root" path="." />
</paths>
https://stackoverflow.com/questions/42516126
复制相似问题