Recent questions tagged Android

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android - Need some clarification about beta/alpha testing on the developer console

Background The Android developer console has 3 tabs for publishing the app's apk file: alpha, beta and ... install the previous version? See Question&Answers more detail:os...

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

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android - How to handle AsyncTask onPostExecute when paused to avoid IllegalStateException

I appreciate the numerous postings regarding AsyncTask on a rotation change. I have the following problem when using ... t without its problems. See Question&Answers more detail:os...

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

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android - What are the semantics of withValueBackReference?

I cannot figure out the exact semantics of withValueBackReference. I've read the example code (for example ... in withValues(ContentValues) See Question&Answers more detail:os...

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

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android - jarsigner: unable to sign jar: java.util.zip.ZipException: invalid entry compressed size (expected 463 but got 465 bytes)

when I am signing the apk, I get "jarsigner: unable to sign jar: java.util.zip.ZipException: invalid entry ... Why this so?..Any Idea? See Question&Answers more detail:os...

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

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256 views

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android - Why is 0dp considered a performance enhancement?

An answer at the end of this question has been filled out, combining remarks and solutions. Question I ... performance because of 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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369 views

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android - hardcoded string "row three", should use @string resource

I'm a beginner android developer , I was trying to run this Linear Layout in eclipse : <?xml version="1 ... rest of the warnings.Any suggestion? See Question&Answers more detail:os...

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

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436 views

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android - How to create ripple effect in simple layout

How can I have a ripple effect in a simple linear/relative layout when touching the layout? I've tried ... clickable="true"> </RelativeLayout> See Question&Answers more detail:os...

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

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356 views

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android - How to take emulator screenshots using Eclipse?

I need to take screenshots of an android application running on an emulator in Eclipse Galileo. Is there a built-in ... a plugin of some sorts? See Question&Answers more detail:os...

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

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android - A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptExecution

All of sudden I start getting this error, and I am not getting idea why if anyone just let me know where this ... : 27 executed, 2 up-to-date See Question&Answers more detail:os...

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

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android studio - How to increase editor font size?

Font size in Android Studio editor seems to be too small. How can I make the font size larger? See Question&Answers more detail:os...

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

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297 views

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android - Create Free/Paid versions of Application from same code

So I'm coming down to release-time for my application. We plan on releasing two versions, a free ad-based ... feel free to vote this closed. See Question&Answers more detail:os...

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

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285 views

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android - ADB Driver and Windows 8.1

I waste a lot of time trying to successfully install the ADB driver for my tablet in Windows 8.1. So here ... case anyone has the same problem. 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

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android - How to create custom spinner like border around the spinner with down triangle on the right side?

I want to develop custom spinner like line around spinner with triangle at right bottom corner. like following image ... above first one image. See Question&Answers more detail:os...

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

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233 views

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android - GridLayoutManager - how to auto fit columns?

I have a RecyclerView with a GridLayoutManager that displays Card Views. I want the cards to rearrange according ... ; // itemHolder.value.Click += clickUpdateViewEvent; itemHo...

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

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299 views

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android - Change the Right Margin of a View Programmatically?

Can this attribute be changed dynamically in Java code? android:layout_marginRight I have a TextView, that has to ... to do it programmatically? See Question&Answers more detail:os...

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

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352 views

1 answer

android - Tracking progress of multipart file upload using OKHTTP

I am trying to implement a a progress bar to indicate the progress of a multipart file upload. I have read from ... I would go about doing 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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319 views

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android - How to put RecyclerView inside NestedScrollView?

With creation of NestedScrollView you can put scrolling view inside another scrolling view as long as those implement ... nice solution.... See Question&Answers more detail:os...

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

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291 views

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android - How to scroll to top of long ScrollView layout?

For part of my app, the user is presented with a list of names and is asked to group them as they see ... user can interact with it? Thanks! See Question&Answers more detail:os...

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

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251 views

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android - How to secure my app against piracy

I am developing an android app and I am planning to publish it (paid app). I have heard that it is ... , experiences, comments you can share? See Question&Answers more detail:os...

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

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341 views

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android - Using VideoView for streaming or progressive-download video

I'm confused about how VideoView can be used to play video: from a local file, as progressive download ... that really answers this question. 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

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android - How to make text glow?

Can we apply glowing effect to any text like shown below: Updated: Please also tell me what things i need to ... need a Special font for 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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515 views

1 answer

android - FragmentPagerAdapter getItem is not called

I am not able to reuse fragment in FragmentPagerAdapter.. Using destroyItem() method, It is deleting the ... (), res2)); 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 - Put an indeterminate progressbar as footer in a RecyclerView grid

How to get indeterminate circular indicator for "Scroll up to load more" in a grid RecycleView? The pattern is ... the grid. Any suggestions? See Question&Answers more detail:os...

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

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406 views

1 answer

android - How can a service listen for touch gestures/events?

I'm wondering how apps like SwipePad and Wave Launcher are able to detect touch gestures/events simply through a ... background as a service. See Question&Answers more detail:os...

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

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299 views

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android - How SurfaceHolder callbacks are related to Activity lifecycle?

I've been trying to implement an application that requires camera preview on a surface. As I see the things, ... camera lifecycle in such cases? See Question&Answers more detail:os...

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

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372 views

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android - MAT (Eclipse Memory Analyzer) - how to view bitmaps from memory dump

I'm analyzing memory usage of my Android app with help of Eclipse Memory Analyzer (also known as MAT). ... this bitmap from memory dump? See Question&Answers more detail:os...

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

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336 views

1 answer

android - Google Maps v2 - set both my location and zoom in

My question is, does anyone know how to set google maps up, to open up both my location and in a ... ).getVisibleRegion().latLngBounds; } } See Question&Answers more detail:os...

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

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311 views

1 answer

android - Best way to show a loading/progress indicator?

What is the best way to show a loading spinner while the app is waiting for a response from the server? Can ... load spinner in the xml file? See Question&Answers more detail:os...

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

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