Recent questions tagged Android

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android - How to make primary key as autoincrement for Room Persistence lib

I am creating an Entity (Room Persistence Library) class Food, where I want to make foodId as autoincrement. ... foodId an autoincrement field? 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 - hierarchy is not working for my device

when I run hierarchy in terminal. it can show the interface of it, but can not connect to my device.And ... the hierarchy. 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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android - When the soft keyboard appears, it makes my EditText field lose focus

I've got a few EditText fields in a ListView. When I tap on one of the EditText fields, the keyboard slides ... for any help you can provide! 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 - Shared Element Transitions Between Views (not Activities or Fragments)

Let's say I'm using a view-based approach to develop an Android application like for example described in ... Is something like 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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android - Multiple pages at the same time on a ViewPager

Is there a possibility to display two pages at the same time, when using a ViewPager? I'm not looking for an ... full pages at the same time. 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 use onSensorChanged sensor data in combination with OpenGL

( edit: I added the best working approach in my augmented reality framework and now also take ... .getRotationMatrix(rotationMatrix, null, accelGData, magnetData); rotationMatrix...

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

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android - Remove title in Toolbar in appcompat-v7

The documentation of Toolbar says If an app uses a logo image it should strongly consider omitting a title and ... way to remove the title? 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 switch themes (night mode) without restarting the activity?

I have made a few apps that support multiple themes, but I always had to restart the app when user switches ... (and animations too). 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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android - Touch feedback with RecyclerView and CardView

I would love to enable touch feedback for my Open-Source library. I've created a RecyclerView and a CardView. ... here. Thanks for your help. 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 correctly dismiss a DialogFragment?

The docs say this for the dismiss() method from the Dialog class: Dismiss this dialog, removing it from the screen ... any memory leaks, etc.. 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 - Google maps SDK with new Intel Atom x86 emulator

Is there any way, how to get new x86 image for Android emulator working with Google Maps SDK? 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 ListView scrollbarStyle

Does anyone know of any documentation on the android:scrollbarStyle? I'd like to see examples of each of the ... . thanks in advance! Ben 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's the difference between BaseAdapter and ArrayAdapter?

I want to know the difference between using BaseAdapter and ArrayAdapter. I have been achieving what I want through ... only can be used? 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 - no gravity for scrollview. how to make content inside scrollview as center

I want the content inside the scrollView as center. <ScrollView android:id="@+id/scroller" android:layout_width=" ... for scrollvew. any sol:- 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 - Material design suggestions for lists with avatar, text and icon

I want to create Material Designed Android application and I try to follow all Google's suggestions about making ... .widget.CardView> PREVIEW: 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 - Does the presenter having knowledge of the Activity / Context a bad idea in the MVP pattern?

I've been playing around with the MVP pattern for a few weeks now and I've come to the point where I ... still have context of the application. See Question&Answers more detail:os...

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

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408 views

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android - How do I adb pull ALL files of a folder present in SD Card

I have a folder in my SD Card as: /mnt/sdcard/Folder1/Folder2/Folder3/*.jpg The name of Folder1 and ... folder has different number of 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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android - What is difference between Barrier and Guideline in Constraint Layout?

Recently trying to implement Constraint Layout but I found Barrier and Guideline works same. Both works like ... any difference between them? See Question&Answers more detail:os...

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

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568 views

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android studio - How to prevent open last projects when IntelliJ IDEA starts?

By default IntelliJ IDEA opens the last project when starting. How to start IntelliJ without opening last project? 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 - References to other resources are not supported by build-time PNG generation

AndroidStudio 3.0 / Android Gradle plugin 3.0 <vector> <path android:fillColor="@color/image_button_disabled"/> < ... it a deprecated 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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221 views

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android - Button background as transparent

I have a button. When I press the button I have to make text as bold otherwise normal. So I wrote ... background as transparent in my style? See Question&Answers more detail:os...

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

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411 views

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android studio - Where is adb.exe in windows 10 located?

I installed android studio 1.5 on windows 10. When I type in command line: adb I get command not found. ... from or where is it installed? See Question&Answers more detail:os...

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

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214 views

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android - Kotlin and new ActivityTestRule : The @Rule must be public

I'm trying to make UI test for my android app in Kotlin. Since the new system using ActivityTestRule, I can't ... } It is already public :/ See Question&Answers more detail:os...

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

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220 views

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android - How does CursorLoader with LoaderManager know to send the cursor to a CursorAdapter?

I was going through some of my code and I realized I don't actually know how a CursorLoader and LoaderManager ... mention, the code works fine. 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 - Rotating an ImageView like a compass (with the "north pole" set elsewhere)

I'm stumped regarding how to implement a "personal compass", ie a compass that points to a specific bearing instead ... a really bad test-run? See Question&Answers more detail:os...

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

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411 views

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android - Difference between sw600dp and w600dp?

Please elaborate on the difference between sw<N>dp and w<N>dp, in a simple way. I have studied the complete ... qualifiers sw<> and w<>. See Question&Answers more detail:os...

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

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192 views

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android - Turn AutoCompleteTextView into a SearchView in ActionBar instead

I have a AutoCompleteTextView which gives user auto-completion search result from Google Places API. Once I was done I ... manifest, content provider and manifest file. I see the...

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

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539 views

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android - Google play app signing key hash

I have opted for google play app signing and i understand that google changes the signing keys for the app ... extract it from the certificate? See Question&Answers more detail:os...

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

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