Recent questions tagged Android

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android - Access ordered images and video in same Cursor

I'm using the android.content.CursorLoader class to create two Cursor objects to access media stored on ... = cursorLoader.loadInBackground(); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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304 views

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android - Fragment standard transition not animating

I'm using the v4 android compatibility library to develop a tablet UI using fragments specifically for Android 2.2 ... What could be wrong here? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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466 views

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android - Scaled Bitmap maintaining aspect ratio

I would like to scale a Bitmap to a runtime dependant width and height, where the aspect ratio is maintained and ... image when it shouldn't. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

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android - mobile chrome fires resize event on scroll

I'm using the chrome mobile browser on galaxy s4, android 4.2.2 and for some reason every time I scroll ... idea why this might be happening? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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378 views

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android - FloatingActionButton with text instead of image

I'm trying to figure out how can be modified FloatingActionButton from android support library. Can it be used ... Material Design in general? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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246 views

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android - Should the call to the superclass method be the first statement?

The results of a speech recognition can be read in the onActivityResult(int requestCode, int resultCode, Intent data) ... resultCode, data); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

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android - Check for access to notifications using NotificationListenerService

I'm using the >=4.3 NotificationListenerService to access notifications. On the first start, my app takes the user ... like Krome do this, too. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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260 views

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android - Music player control in notification

how to set notification with play/pause, next and previous button in android.! I am new with Android & also at ... me out. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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493 views

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android - How to get data from DialogFragment to a Fragment?

Imagine, I have FragmentA from which I startDialogFragment (there are EditText in box). How to can I get back the ... but I was not successful. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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453 views

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android - How to prevent the activity from loading twice on pressing the button

I am trying to prevent the activity from loading twice if I press the button twice instantly after the first click ... know how to prevent this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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android - Difference between app-debug.apk and app-debug-unaligned.apk

In android studio with build variant set to "debug" mode, I found two outputs of apk app-debug.apk app ... the differences between those files? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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607 views

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android - How do I set the rounded corner radius of a color drawable using xml?

On the android website, there is a section about color drawables. Defining these drawables in xml looks like this ... corners in the xml? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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367 views

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android - Notification passes old Intent Extras

i am creating a notification inside a BroadcastReceiver via this code: String ns = Context.NOTIFICATION_SERVICE; ... with my code.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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653 views

1 answer

android - Show popup above map marker in MapView

I can't beleive there's no easy way to do such a basic thing like this... I want to show a popup/ ... the layout touch events. Is this possible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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739 views

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android - Converting from GLSurfaceView to TextureView (via GLTextureView)

When Android 4.0 (Ice Cream Sandwich) was released, a new view was introduced into the sdk. This View is ... the advantages of the TextureView. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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382 views

1 answer

android - Starting Activity through notification: Avoiding duplicate activities

So I am currently showing a notification. When the user clicks this noticiation, the application is started. The ... being shown or is loaded? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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371 views

1 answer

android - Read all SMS from a particular sender

How do I read all SMSes from a particular sender to me? E.g. I want to scan a) the body, and b) the ... most phones. I am using a Galaxy S2. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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397 views

1 answer

android - Set Toast Appear Length

Is there anyway I can tell a Toast Notification to show up only for a specified amount of time. Generally shorter then a regular toast message. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

1 answer

android - How to replace the activity's fragment from the fragment itself?

My application has a Fragment inside its Activity. I would like to programmatically replace the fragment by another one from ... , how to do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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387 views

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android - What should be the color of the Ripple, colorPrimary or colorAccent? (Material Design)

I have reading Material Design Guidelines but I don't know what should be the color of the Ripple if it isn't ... An image like I have now: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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343 views

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android - How to debug on a real device (using Eclipse/ADT)

I'm trying to figure out how to debug applications directly on my phone (HTC Desire). I've installed ... launching the emulator/virtual device? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

1 answer

android - Check if device has a camera?

In my app, I'd like to use the camera, if the device has one. Are there any devices running android ... attempting to use the Camera class? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

android - Notify Observer when item is added to List of LiveData

I need to get an Observer event when the item is added to the List of LiveData. But as far as I understand ... how I can implement what I need? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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427 views

1 answer

android - What is better: @SuppressLint or @TargetApi?

I have issues in my app regarding StrictMode and added the code snippet that basically disables the StrictModeHelper ... doing the same? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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219 views

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android - writing some characters like '<' in an xml file

since the beginning of my programmation, I used some special character like "<-", ""<<" im my string.xml in ... my xml files? Thank a lot. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

1 answer

android - Inform Activity from a BroadcastReceiver ONLY if it is in the foreground

Maybe it's easy, but I couldn't really figure this out right so far... I got a BroadcastReceiver waiting to ... currently up in front or not. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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210 views

1 answer

android - Fast Scroll display problem with ListAdapter and SectionIndexer

I have a list of events which are seperated by month and year (Jun 2010, Jul 2010 etc.). I have enabled ... any clarification, or code just ask. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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549 views

1 answer

android - How mdpi, hdpi, xhdpi folder works?

Extract from Android Developer Guide link above: 320dp: a typical phone screen (240x320 ldpi, 320x480 mdpi, ... android phones and tablets ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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