Recent questions tagged Android

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android - RadioGroup calls onCheckChanged() three times

I've been struggling with an issue of programmatic checking of a RadioButton, which is situated in a RadioGroup. It seems that ... "x"); } }; } See Question&Answers more detail:os...

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

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306 views

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android - MapFragment in Fragment, alternatives?

I need your help... I work on it until 3 days. My app is working with fragments. One of these ... commit(); mRightFragment = fragment; } See Question&Answers more detail:os...

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

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499 views

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android - A Switch Java problem : case expressions must be constant expressions

I having a problem in my switch/case statement. The error says : "Case expressions must be constant expressions" ... Thx for your explanation !! 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 - Is google-services.json safe from hackers?

If a hacker decompiled my APK would he be able to see my API keys from this file? I am not worried ... it at runtime but having some issues 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 get the height of recyclerview item in "onBindViewHolder"

The height of RecyclerView item is not fixed,i need to set the background image for every item,so I want to ... still cant get a good soluation. See Question&Answers more detail:os...

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

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503 views

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android - How do I get the current volume/amplitude in a MediaPlayer?

I'm working on an app that will both record an audio file, and then have the option to play back that file ... know how to make this work? See Question&Answers more detail:os...

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

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312 views

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android - 'required items could not be found' error when installing ADT plugin

Cannot complete the install because one or more required items could not be found. Software being installed: Android ... not be found' error? See Question&Answers more detail:os...

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

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246 views

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android - How to swipe ViewPager images automatically using TimeTask

Hi I am new in android and in my app I have a lot of images in my ArrayList that 's why I want to ... container).removeView((View) object); } } 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 - Styles and themes on values, values-v11 and values-v14 folders

I am currently working on my app to base its design on the Holo theme. Globally what I want to do is working ... works... Thanks for your help! See Question&Answers more detail:os...

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

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468 views

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android - setContentView is using non-SDK interface

When I run my application in an emulator with the API 28, the console gives me the following warning: W/ ... device with android API 28?. See Question&Answers more detail:os...

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

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292 views

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android - Display metrics minus status bar?

I need to get the dimensions of the display rectangle that the application can use on the device. For that I ... better I'll leave an image: See Question&Answers more detail:os...

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

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203 views

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android - Java/Eclipse - No more R file ever

I'm on Eclipse for hours now and I didn't found a solution yet for my problem even after many searches on internet ... what to do in this case? 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

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android - Kotlin lazy properties and values reset: a resettable lazy delegate

So I use kotlin for android, and when inflating views, I tend to do the following: private val recyclerView ... empty recycler view after back See Question&Answers more detail:os...

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

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229 views

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android - ViewPager FragmentPagerAdapter Nullpointer

I got this error by using the ViewPager in the Android Support package. from the Horizontal View Swiping ... .NativeStart.main(Native Method) See Question&Answers more detail:os...

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

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369 views

1 answer

android - Unnecessary padding in CardView?

I have implemented CardView in my app and everything works fine except there is a little padding around the image ... on a pre-lollipop device. See Question&Answers more detail:os...

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

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345 views

1 answer

android - Accessing application context from TestSuite in Setup() before calling getActivity()

I have an Activity that pulls an object from an Application extended class (application context) from within the ... as the activity's. See Question&Answers more detail:os...

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

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196 views

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android - Layout params of loaded view are ignored

I'm trying to write my own custom View and I have problem with LayoutParams. The idea is to extend ... are ignored when view inflated? See Question&Answers more detail:os...

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

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583 views

1 answer

android - how to fix seekbar-bar-thumb-centering-issues

I have set thumb image of a seek bar but my thumb looks little below of seek bar. How to set thumb at ... "></SeekBar> Thanks Sunil Kumar Saoo See Question&Answers more detail:os...

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

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204 views

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android - Save bitmap to file function

I'm trying to save a bitmap to file and a specific directly using a function I've created. ... .deliverResults(ActivityThread.java:2528) See Question&Answers more detail:os...

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

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262 views

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android - Launcher Icon is not Shown in Oreo 8.0/8.1

Explanation: I have a working app in google play market. Everything works fine in android versions from 4.0-7.0 ... .png icons in mipmap folder. See Question&Answers more detail:os...

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

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222 views

1 answer

android - No implementation found for long org.opencv.core.Mat.n_Mat() error Using OpenCV

I am using OpenCV for adaptiveThreshold. My code for image processing using OpenCV is like this: imageMat=new Mat ... do to eliminate the error? See Question&Answers more detail:os...

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

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229 views

1 answer

android - Can NoticationManager.notify() be called from a worker thread?

My question is more about what is a good practice than what is possible: Is it a good thing to call ... it. Thanks for your help! See Question&Answers more detail:os...

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

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235 views

1 answer

android - PhoneGap - Detect device type in phonegap

I'm building an application in phonegap for the three different platforms: Android, iOS And Blackberry. While doing ... iPad and Blackberry... See Question&Answers more detail:os...

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

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461 views

1 answer

android - How to solve "Your APK's version code needs to be higher than 2." in Google Play's Developer Console?

I'm getting this error when uploading my Phonegap app to the Google Play Developer Console: Your APK's version code ... . How can I fix this? See Question&Answers more detail:os...

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

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181 views

1 answer

android - How to stop Eclipse from trying to run XML files?

I'm mostly using Eclipse for Android development these days, and have developed good muscle memory for Ctrl-F11 ... luck there myself. 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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402 views

1 answer

android - SharedPreferences application context vs activity context

I am using several SharedPreferences to store data in my app. Some preferences are used in a lot of ... how Android handles it internally. See Question&Answers more detail:os...

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

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194 views

1 answer

android - Make flutter application fullscreen

How can I make a flutter application fullscreen. I already found out how to hide the status bar Hide ... hide the android navigation bar. See Question&Answers more detail:os...

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

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640 views

1 answer

android - How to remove "Call requires API level" error?

I get this error in Eclipse: Call requires API level 14 (current min is 8): android.app. ... to remove this error? See Question&Answers more detail:os...

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

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