android

问题 How to select subset of characters in many lines (column selection) in Eclipse/Android Studio? Ideally without plugins. Shift+Alt+A seems not to be working for me either. In Notepad++ you can do it with Shift+Alt+(Arrows) or Alt+Left_Mouse (and drag to select) Please see example below (Column selection I'm after): (source: softwareninjaneer.com) Visual Studio and many other tools support it. Thanks 回答1: I use android studio. You can switch between selection mode by: alt - shift - insert , or

问题 fun launchNextScreen(context: Context, people: People): Intent { val intent = Intent(context, NextScreenActivity::class.java) intent.putExtra(EXTRA_PEOPLE, (Parcelable) people) //intent.putExtra(EXTRA_PEOPLE, people as Parcelable) //intent.putExtra(EXTRA_PEOPLE, people) // tried above all three ways return intent } I tried the above code to pass an instance of the People class via intent using kotlin, but I am getting an error. What am I doing wrong? 回答1: First, make sure the People class

问题 fun launchNextScreen(context: Context, people: People): Intent { val intent = Intent(context, NextScreenActivity::class.java) intent.putExtra(EXTRA_PEOPLE, (Parcelable) people) //intent.putExtra(EXTRA_PEOPLE, people as Parcelable) //intent.putExtra(EXTRA_PEOPLE, people) // tried above all three ways return intent } I tried the above code to pass an instance of the People class via intent using kotlin, but I am getting an error. What am I doing wrong? 回答1: First, make sure the People class

问题 fun launchNextScreen(context: Context, people: People): Intent { val intent = Intent(context, NextScreenActivity::class.java) intent.putExtra(EXTRA_PEOPLE, (Parcelable) people) //intent.putExtra(EXTRA_PEOPLE, people as Parcelable) //intent.putExtra(EXTRA_PEOPLE, people) // tried above all three ways return intent } I tried the above code to pass an instance of the People class via intent using kotlin, but I am getting an error. What am I doing wrong? 回答1: First, make sure the People class

问题 I am facing a problem to hide RecyclerView . From Last 2 night's I am looking for the solution but I have failed to find it. I am using firebase recycleradapter to show value in recyclerview . When ever someone click the viewholderitem i save his Uid under the datasnapshot key. So to show the value if datasnapshot don't have the uid key show the value in recyclerview . If the datasnapshot have the uid key don't show his data . everything works fine . But i want to hide the recyclerview and

问题 How do you upload an image that will also have the current user's UID attached? Example below. This is the code I am using to upload the image, but so far having no success adding on the UID. private void updloadImage(Uri pickedImage){ StorageReference myStorage = FirebaseStorage.getInstance().getReference().child("users_photos"); final StorageReference imagePath = myStorage.child(pickedImage.getLastPathSegment()); userID = fAuth.getCurrentUser().getUid(); imagePath.putFile(pickedImage)

问题 How do you upload an image that will also have the current user's UID attached? Example below. This is the code I am using to upload the image, but so far having no success adding on the UID. private void updloadImage(Uri pickedImage){ StorageReference myStorage = FirebaseStorage.getInstance().getReference().child("users_photos"); final StorageReference imagePath = myStorage.child(pickedImage.getLastPathSegment()); userID = fAuth.getCurrentUser().getUid(); imagePath.putFile(pickedImage)

问题 How do you upload an image that will also have the current user's UID attached? Example below. This is the code I am using to upload the image, but so far having no success adding on the UID. private void updloadImage(Uri pickedImage){ StorageReference myStorage = FirebaseStorage.getInstance().getReference().child("users_photos"); final StorageReference imagePath = myStorage.child(pickedImage.getLastPathSegment()); userID = fAuth.getCurrentUser().getUid(); imagePath.putFile(pickedImage)

问题 I have this code which I can use with concat but what I need is a way of passing Iterator so that I can add or remove items which isn't possible with this code. I want to be able to remove and add items to concat without causing java.util.ConcurrentModificationException I need to do this for different purpose such as if some items are success remove them and retry others. Or if token is invalid then remove all and refresh token and add all with modified token. Observable userObservable =