Recent questions tagged Android

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android - How to add image in expandablelistivew?

I am using expandablelistview in my project,and I want to add different images for group view and also in child ... ) { return true; } See Question&Answers more detail:os...

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

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705 views

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android - Which function is called when application is removed from task manager

I need to make status of user offline. When I press home button onStop() is called, that's fine. When I ... something (e.g make user offline). See Question&Answers more detail:os...

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

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791 views

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android - how add onclick button in adapter listview

My project contains listView(homelistView) that contains button(btnList). When I click on button(btnList) it must go ... ; return sections; } } See Question&Answers more detail:os...

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

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708 views

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android - Set spinner within custom dialog

I'm getting a NullPointerException while attempting to create a Spinner within a dialog and can't seem to debug it ... take up too much space. See Question&Answers more detail:os...

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

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693 views

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android - addHeaderView does not work when the list is empty

I am using following layout(header.xml) to add header in a listview, <?xml version="1.0" encoding="utf- ... unable to understand, please 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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799 views

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android - clean stack and exit app onBackPressed()

basically my app has a loginScreen and once logged u can go through many activities. when i press the home ... LoginActivity.this.finish(); } See Question&Answers more detail:os...

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

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670 views

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android - Changing ImageView on button click

Wondering if I'm going about this the right way or not. I have 3 buttons on my screen (Restart, Previous, Next). ... (false); } break; } } } See Question&Answers more detail:os...

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

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637 views

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android - java.net.SocketException: Address family not supported by protocol

in android I am getting the following error: NativeStart.main(String[]) line: not available [native method] ... family not supported by protocol See Question&Answers more detail:os...

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

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742 views

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android - AWS SDK NoClassDefFoundError: com.amazonaws.services.s3.AmazonS3Client

I've been trying to upload a video I took to a bucket of S3 services using the AWS SDK. this is the code ... /AndroidRuntime(20310): ... 15 more See Question&Answers more detail:os...

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

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868 views

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android - OnClickListener issues after ImageButton moved after TranslateAnimation

what should I do to move the imageButton to a new palce and keep the OnClick event? I have two ... }); imgBtnChengdu.setAnimation(tsla); See Question&Answers more detail:os...

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

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744 views

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android - java.lang.NoClassDefFoundError: how do I fix this error?

I am developing an Android application which makes use of the Osmdroid maps api. I have added the library as an ... 1.6.0_31 Android SDK: 17 See Question&Answers more detail:os...

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

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681 views

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android - StartActivity() red highlighted

Basically I want to have a button to start a new activity after login. I found that I was not able to ... showed above, imports are cut off See Question&Answers more detail:os...

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

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721 views

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android - Displaying a ProgressDialog while waiting for a joined Thread

In my Activity, I load the content for a list from a DB, and want to display a ProgressDialog while it′s loading ... the list with the new data. See Question&Answers more detail:os...

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

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655 views

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android - Implement ViewPager inside Vertical ViewPager

I have used Vertical Viewpager in my project which displays a collection of data. And In single data(item), I have ... it. 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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722 views

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android - Spinning globe in Opengl-es

I found this code to generate a sphere in Opengl es. I am unable to understand the logic, could someone ... wrap(textureCoords); } } Thankyou See Question&Answers more detail:os...

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

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791 views

1 answer

android - Communicating between more than 2 fragments

I have an activity with three fragments in it, This is how I communicate between the three fragments: First I ... them and the activity? 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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678 views

1 answer

android - How to fade out an Activity's UI, and fade in another Activity's UI?

For the moment I have two AppCompatActivity: The main one, which only displays a launcher UI (i.e. : ... and ConstraintLayout of the other). See Question&Answers more detail:os...

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

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1.0k views

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android - How to control DropDownMenu position in Jetpack Compose

I have a row with a text align at the start and a image align at the end. When I press the image I'm showing a ... ) { Text("Save") } } } } See Question&Answers more detail:os...

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

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682 views

1 answer

android - OnActivityResult is not working in TabActivityGroup?

I am using Tab Activity as a main Activity in which it has 4 tabs. One tab is Activity Group which has three ... } } Thanks for your help guys See Question&Answers more detail:os...

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

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699 views

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android - RecyclerView not showing anything after updating Adapter data

guys i need help with this matter i have been going through my code for a couple of days to figure whats going ... this.data = initialData; } } See Question&Answers more detail:os...

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

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828 views

1 answer

android - Setting button alignment programmatically

I'm creating some 50 button dynamically. Text is getting set as followed: btn.Text=result.Rows[i]["Col1"]. ... it. Any help appreciated... See Question&Answers more detail:os...

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

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756 views

1 answer

android - How to get screen size and respond to it?

I am building a application for android honeycomb and regular phones.I want to be able to test if the screen is ... the screen size in code? See Question&Answers more detail:os...

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

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723 views

1 answer

android - Problems Using ActionBarSherlock in Project

For some reason, I can't get ActionBarSherlock to work. I think I have it set up correctly, but it doesn't ... include it as a module?? Images: See Question&Answers more detail:os...

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

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759 views

1 answer

android - Playing youtube videos smoothly in web view

I am building an app where a user can see a YouTube video and can see the images for which link is ... increase the performance of my WebView? See Question&Answers more detail:os...

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

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1.2k views

1 answer

android - BOOT_COMPLETED intent not received on all devices

I have created an application that receives BOOT_COMPLETED within a receiver using the following filter: <intent-filter ... and create a remedy? See Question&Answers more detail:os...

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

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791 views

1 answer

android - WebView in my app is not loading an HTTPS URL

When I try to load a URL in the WebView it only shows a blank screen. If I load https://www.google.com ... so my WebView can handle HTTPS URL? See Question&Answers more detail:os...

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

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747 views

1 answer

android - camera.takePicture() is crashing my app

I have an app that is supposed to take pictures using the camera.takePicture. The code I use is the following : ... but on a device is crashing. See Question&Answers more detail:os...

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

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772 views

1 answer

android - Spanned text in Number picker

I have a problem with to show meter m2 in android. I can use SpannedBuilderString for setText in TextView and it ... me fix that. Tks everyone. See Question&Answers more detail:os...

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

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