我正在开发一款具有从相机或画廊拍摄图像的功能的应用程序。在所有设备上都可以正常工作,但在OnePlus中却不能。
这是代码:
public File dispatchTakePictureIntent(Activity activity) {
File tempPhotoFile = null;
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (takePictureIntent.resolveActivity(activity.getPackageManager()) != null) {
try {
tempPhotoFile = Utils.createImageFile(activity);
} catch (Exception e) {
e.printStackTrace();
}
if (tempPhotoFile != null) {
Uri photoURI = FileProvider.getUriForFile(activity, Utils.getFileProvider(activity), tempPhotoFile);
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
takePictureIntent.setClipData(ClipData.newRawUri("", photoURI));
takePictureIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
activity.startActivityForResult(takePictureIntent, Constants.REQUEST_IMAGE_CAPTURE);
}
}
return tempPhotoFile;
}
Utils中的代码:
public static File createImageFile(Context context) throws IOException {
// Create an image file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.ENGLISH).format(new Date());
String imageFileName = "JPEG_" + timeStamp + "_";
File storageDir = context.getExternalFilesDir(Environment.DIRECTORY_PICTURES);
File image = File.createTempFile(
imageFileName, /* prefix */
".jpg", /* suffix */
storageDir /* directory */
);
// Save a file: path for use with ACTION_VIEW intents
return image;
}
现在该应用在其他设备上可以正常运行。但是在OnePlus中,当相机打开并单击图像并显示预览时,那时在logcat中我们看到该应用程序显示为死机并重新启动。我们如何解决这个问题?
您可能未授予URI的许可权
请研究https://developer.android.com/reference/android/support/v4/content/FileProvider
需要在startActivityForResult之前添加的位置
activity.grantUriPermission(activity.getActivityInfo().getPackageName(), photoURI, Intent.FLAG_GRANT_WRITE_URI_PERMISSION or Intent.FLAG_GRANT_READ_URI_PERMISSION)
这是伪代码,所以请在您这边检查
欢呼声