【发布时间】:2016-10-15 18:30:44
【问题描述】:
我正在使用此代码运行相机意图来拍照。一步一步从HERE 拍摄(全尺寸相机选项)
private void dispatchTakePictureIntent() {
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// Ensure that there's a camera activity to handle the intent
if (takePictureIntent.resolveActivity(getActivity().getPackageManager()) != null) {
File photoFile = null;
try {
photoFile = createImageFile();
} catch (IOException ex) {
// Error occurred while creating the File
}
// Continue only if the File was successfully created
if (photoFile != null) {
Uri photoURI = FileProvider.getUriForFile(getActivity(), "com.example.android.fileprovider", photoFile);
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO);
}
}
}
private File createImageFile() throws IOException {
// Create an image file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
String imageFileName = "JPEG_" + timeStamp + "_";
File storageDir = getActivity().getExternalFilesDir(Environment.DIRECTORY_PICTURES);
File image = File.createTempFile(imageFileName, ".jpg",storageDir);
// Save a file: path for use with ACTION_VIEW intents
mCurrentPhotoPath = "file:" + image.getAbsolutePath();
Toast.makeText(getActivity(), mCurrentPhotoPath, Toast.LENGTH_SHORT).show();
return image;
}
这是我的Manifest 文件:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.terrormachine.swipeapp">
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<provider
android:name="android.support.v4.content.FileProvider"
android:authorities="com.example.android.fileprovider"
android:exported="false"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths">
</meta-data>
</provider>
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
和我的路径 xml:
<?xml version="1.0" encoding="utf-8"?>
<paths xmlns:android="http://schemas.android.com/apk/res/android">
<external-path name="my_images" path="Android/data/com.example.package.name/files/Pictures" />
</paths>
我收到了这个错误:
java.lang.IllegalArgumentException: Failed to find configured root that contains /storage/emulated/0/Android/data/com.example.terrormachine.swipeapp/files/Pictures/JPEG_20161015_211933_-593154643.jpg
有点令人惊讶,因为文件“shell”在那里(在这个位置)。 我找到了THIS 线程,但我什么都不懂……你能解释一下吗?欢迎任何解决方案!这是一个重要的项目,我需要尽可能多地完成,这是一个巨大的停留。
【问题讨论】:
-
更新到当前版本的支持库。然后,使用
external-files-path代替external-path,将path替换为Pictures。另外,you need to grant permissions上Uri,否则用户选择的相机应用将无法使用Uri。请参阅this sample app 以获取将FileProvider与ACTION_IMAGE_CAPTURE结合使用的示例,尽管我使用的是内部存储,而不是外部存储。
标签: android android-intent camera