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Recent questions tagged Android

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android - getSupportActionBar from inside of Fragment ActionBarCompat

I'm starting a new project that uses the AppCompat/ActionBarCompat in v7 support library. I'm trying to figure ... That seems like poor design. See Question&Answers more detail:os...

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

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214 views

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android - Creating a system overlay where the home buttons still work?

I am trying to create a button that is always on the screen. The button should be ... WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH , See Question&Answers more detail:os...

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

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426 views

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android - What is the difference between colorPrimary and colorPrimaryDark in themes

I'm trying to understand how the theme works in android. I don't know why colorPrimaryDark won't work with me or ... color if there is any 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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225 views

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android - Could Navigation Arch Component create a false positive memory leak?

I have a basic knowledge of memory leaks and what can cause them. That's why I don't understand if I have ... is seeing it as a leak. 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

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android - DatePicker crashes on my device when clicked (with personal app)

Edit : I checked that the issue only appears when the phone is set with "French" language. I'm currently ... please ask me. Thanks. Alex. See Question&Answers more detail:os...

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

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164 views

1 answer

android - DrawerLayout's item click - When is the right time to replace fragment?

I'm developing an application which uses the navigation drawer pattern (With DrawerLayout). Each click on a drawer' ... that? 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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172 views

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android - RecyclerView change data set

I want to implement search functionality for my RecyclerView. On text changed i want to change the data that are ... ), what should I do? See Question&Answers more detail:os...

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

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422 views

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android - Shape drawable as background, a line at the bottom

I am using a drawable as a background of a TextView just to have a divider line below the text. A achivied ... . How could I achieve that? See Question&Answers more detail:os...

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

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340 views

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android - Existing 3-function callback to Kotlin Coroutines

I have a general question with a specific example: I'd like to use Kotlin coroutine magic instead of callback ... ) return response.await() } See Question&Answers more detail:os...

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

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357 views

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android - What is Dalvik and dalvik-cache?

I know this may be a basic question in Android. But what is Dalvik and dalvik-cache? See Question&Answers more detail:os...

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

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1.4k views

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android - How to close the current fragment by using Button like the back button?

I have try to close the current fragment by using Imagebutton. I am in Fragment-A and it will turn to the ... like the back button of Android ? See Question&Answers more detail:os...

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

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177 views

1 answer

android - Custom ListView with Date as SectionHeader (Used custom SimpleCursorAdapter)

I want to display ListView with Date as SectionHeader. What i have : I am displaying ListView from sqlite database ... is not getting any 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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164 views

1 answer

android - Drawing paths and hardware acceleration

I'm drawing a rather large path in my view and I'm running into some performance problems. The path ... huge paths with acceptable performance? See Question&Answers more detail:os...

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

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227 views

1 answer

android - Use google maps offline in an app

I'm trying to develop and app that overlays some information on a google map. I was wondering, if it is ... that it could be used offline. See Question&Answers more detail:os...

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

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314 views

1 answer

android - Find out if childEventListener on Firebase has completed loading all data

I'm using Firebase Realtime Database for storing and retrieving data for my Android application. In my activity I ... after the data 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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436 views

1 answer

android - RecyclerView Swipe with a view below it

I have been doing some research and I have yet to find an example or implementation that allows you to put a ... the example of Google's Inbox: See Question&Answers more detail:os...

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

0 votes

290 views

1 answer

android - ViewPager - get a partial view of the next page

I am trying to achieve this in a ViewPager The first fragment (blue) is displayed and the beginning of the ... needs to overlap both side views See Question&Answers more detail:os...

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

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199 views

1 answer

android - Center two buttons horizontally

I try to arrange two buttons (with images on them which work fine) next to each other and to center them ... without luck. Any other ideas? See Question&Answers more detail:os...

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

0 votes

221 views

1 answer

android - using ContentProviderClient vs ContentResolver to access content provider

The documentation on Android content providers describes using a ContentResolver, obtained from getContentResolver(), to ... are the benefits? See Question&Answers more detail:os...

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

0 votes

303 views

1 answer

android - Are WebViewClient and WebChromeClient mutually exclusive?

From this great explanation about the differences between WebViewClient and WebChromeClient it seems that if you use one ... a certain goal? See Question&Answers more detail:os...

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

0 votes

250 views

1 answer

android - Different app names for different build flavors?

I have 2 build flavors, say, flavor1 and flavor2. I would like my application to be named, say, "AppFlavor1" ... So, how do people handle this? See Question&Answers more detail:os...

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

0 votes

196 views

1 answer

android - View inside ScrollView doesn't take all place

I have a RelativeLayout inside a ScrollView. My RelativeLayout has android:layout_height="match_parent" but the view ... /> </RelativeLayout> See Question&Answers more detail:os...

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

0 votes

451 views

1 answer

android - CoordinatorLayout with RecyclerView And Collapsing header

I have a layout like the following: (Toolbar, Header View, Text View, RecyclerView) I need the header to be ... I use to get this work? See Question&Answers more detail:os...

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

0 votes

470 views

1 answer

android - How to set up ADB for remote machine development and local device deployment

My scenario is this: I telework from home and log into my work machine via Windows Remote Desktop. I use Eclipse ... adb running on my local PC? See Question&Answers more detail:os...

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

0 votes

368 views

1 answer

android - Exclude specific build variants

I have the two default build types: debug / release and a couple of flavors: prod / dev. Now I want to ... Is there a way to achieve this? See Question&Answers more detail:os...

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

0 votes

246 views

1 answer

android - How to assign padding to Listview item divider line

How can i give padding to list item as i show in image. I want to make the divider in the ... attr/textColorSecondary" /> </RelativeLayout> See Question&Answers more detail:os...

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

0 votes

159 views

1 answer

android - Can you deploy to a device via Gradle from the command line

What the question says really - can you issue any commands directly to gradlew via the command line to build, package and deploy to a device? See Question&Answers more detail:os...

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

0 votes

340 views

1 answer

android - Differences between arm64 and aarch64

I have two "unlocked" devices, an iPad mini 3, and a Galaxy Edge 6, both endowed with a terminal and a ... look for this again, without success. See Question&Answers more detail:os...

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

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