Recent questions tagged Android

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android - Custom AutoCompleteTextView behavior

Out of the box, the AutoCompleteTextView widget does not seem to be able to match the input string in the middle ... idea ? Thanks in advance ! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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260 views

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android - What is the purpose of kotlin contract

Was reading the apply function code source and found contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) } and ... in the next versions? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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240 views

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android - How to pass two or more selection argument in "query" method

I am using query method, but I don't no how to pass more than one selection argument in query method. My query ... ='tagname' OR TAG5='tagname'; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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697 views

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android - Enable USB debugging (under settings/applications/development) programmatically from within an app

Is it possible to enable USB debugging (under settings/applications/development) programmatically from within my ... find anything appropriate. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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353 views

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android - Add toggle button to the menu to stop and start service

I am trying to enable the user to stops and starts service which I am implementing from the Menu where the text is ... ."); return false; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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325 views

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android - How to cut some part of image and show it in imageview

I want to show only some part of image in imageview. See following image . Same example can be found in ... ,code will be helpful. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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325 views

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android - Managing assets between desktop and device version in libgdx

I'm building a little Android game using libgdx. For now I have a copy of the game's assets in the desktop ... right way to this with libgdx? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to obtain MANAGE_EXTERNAL_STORAGE permission

I'm trying to get the MANAGE_EXTERNAL_STORAGE permission on my Android 10 (API 29) device. https://developer. ... can I obtain that permission? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to use BLOB with JSON and PHP?

I have a remote database with MySQL, and I am storing photos of the users of my app on the database as a row ... toString()); } return friend; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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945 views

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android - BitmapFactory.decodeFile returns null even image exists

Saving the file: FileOutputStream fo = null; try { fo = this.openFileOutput("test.png", Context. ... the png displaying properly. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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374 views

1 answer

android - Disable onChange animations on ItemAnimator for RecyclerView

I am using a RecyclerView fed with data from a SortedList using a SortedListAdapterCallback. I want to ... a completely custom ItemAnimator? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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439 views

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android - onTouchEvent onClick onLongClick calls

In our application, we handle the events in a button to record data. So initially when I use setOnLongClickListener() ... } } return true; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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176 views

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android - Build fails with app:transformClassesAndResourcesWithProguardForRelease

I recently updated android studios to version 2.3, build tools to 25.0.2, gradle 2.3.0 and gradle distribution 3 ... ) ... 5 more BUILD FAILED See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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263 views

1 answer

android - saveInBackground callback doesn't work

After calling code below for several times(5-10 times), done() method for SaveCallback doesn't fire and whole application seems ... } }); } }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

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android - Google Developers Console project creation quota

I have created a total of 30 projects in the Google Developers Console, including 23 between 12/23 and ... Google directly for assistance? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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313 views

1 answer

android - SeekBar programmatically

I am creating a SeekBar programmatically like this : SeekBar seekBar = new SeekBar(this); seekBar.setMax(15); ... might be the problem? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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353 views

1 answer

android - Add transition to an AnimationDrawable

I have a set of 10 images, and I want to create an animation where I cross fade between them. I've been ... any pointers ? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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569 views

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android - NotifyDataSetChanged- RecyclerView -Is it an asynchronous call?

I am trying to follow a set of statements after the execution of notifyDataSetChanged on a recyclerview. But when ... am asking the community. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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339 views

1 answer

android - rawQuery Vs. database.query

Are their any advantages in using rawQuery over the Query Builder (or vice versa)? Does the Query Builder, ... something that could be useful. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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280 views

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android - What's the correct syntax to define an activity in manifest file

What is the correct way of adding an activity to AndroidManifest.xml? Actually I have seen in many places an ... what is the correct way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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983 views

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android - ClassNotFoundException when using androidx.fragment.app.FragmentContainerView

I'm trying to transition from using a FrameLayout to using FragmentContainerView and from the tutorials I've seen, it ... 't it find the class? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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251 views

1 answer

android - Create object from Gson string doesn't work

I want to pass an object to a bundle. Now I did the conversion to a Json object with GSON. The ... to change to serializable or parcelable? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

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android - What is the android_metadata table?

I try to integrate an existing database file into my Android project. I follow the instructions on this blog. They ... table not needed at all? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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442 views

1 answer

android - How to get the real path with ACTION_OPEN_DOCUMENT_TREE Intent?

My app downloads and unzips a file in a specific folder: output = new FileOutputStream(realpath, true); output.write(buffer ... (API 21 & 22)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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483 views

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android - React native expection java.lang.UnsatisfiedLinkError: dlopen failed: "/data/data/{package}/lib-main/libgnustl_shared.so" is 32-bit instead of 64-bit

I am trying to integrate React Native with my existing Android App. I am getting the following exception, when ... using any external library. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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443 views

1 answer

android - How to clear the "in-app billing service" cache

In the documentation for in app billing (v3), it says: "Upon a successful purchase, the user's purchase data is ... a way to clear that cache? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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341 views

1 answer

android - How to create a Flutter background service that works also when app closed

I am developing a Flutter app for academic purposes in university. Now, I need to run a sort of "always on" ... image for a more schematic view: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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367 views

1 answer

android - How do I set AM/PM in a TimePicker?

I am using a TimePicker in my app. Whenever the user opens the screen with the TimePicker, I initialize it ... (myCal.get(Calendar.MINUTE)); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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