Recent questions tagged Android

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android - How do I link a checkbox for every contact in populated listview?

I've been having a lot of trouble with this problem. I have a listview that contains: ImageView / contactName ... contact items in my listview? 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 to navigate back from fragments inside NavHostFragment of ViewPager2?

What is the proper way of navigating back from nested fragments of ViewPager2? Despite using app:defaultNavHost=" ... back to previous 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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240 views

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android - Scheduled alarm never calls receiver class

I'm trying to set an alarm to fire every 5 minutes. This is the code for setting the alarm : @Override public ... and the result was the same. 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 - Additive blending without glClear

I want to do additive blending on camera preview's surface texture binded to my opengl context. I am getting ... GL_TRIANGLE_STRIP, 0, 4); } See Question&Answers more detail:os...

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

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405 views

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android - Firebase FCM MismatchSenderID

I have my client app with Android installed in several devices. I also have my Server app that send messages to ... . Any help of the reason? See Question&Answers more detail:os...

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

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244 views

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android - Could not find class

My project ran well until I clicked "Help->Check for updates" and installed some components in Android SDK Manager. In ... know how to fix it? See Question&Answers more detail:os...

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

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208 views

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android - how to change wifi advanced option from code that chrome lost access to internet

this is my situation : I have an android device that is not root. this device connected to a wifi modem ... work.I appreciate any help friends See Question&Answers more detail:os...

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

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514 views

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android - Can I prevent Host Card Emulation service from being triggered by select AID?

I have an Android app with a service registered to Android beam and a service registered to host card emulation. ... service be invoked or not? See Question&Answers more detail:os...

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

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447 views

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android - Appropriate audio capture and noise reduction

In my android application I need to capture the user's speech from the microphone and then pass it to the ... last hope. 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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android - I have problem in a emulator

I have problem in emulator. When I start my application it says: PANIC: Could not open: C:UsersAdministrator.android/ ... can do to solve 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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204 views

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android - "Unable to open database file" when using SQLiteOpenHelper with instrumentation context

I'm trying to create a database that contains mock objects for testing purposes. I'd prefer to have ... execute(AbstractHttpClient.java:465) E See Question&Answers more detail:os...

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

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371 views

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android - LibGdx resolutionFileResolver + Assetmanager, file names?

I want to use the resolution file resolver to select a correct texture atlas for my app, so I createa RFR ... , TextureAtlas.class); // else See Question&Answers more detail:os...

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

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560 views

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android - Convert date string to a particular date format "dd-MM-yyyy" in Java

I have multiple contacts with birth dates and all are synced with the mobile device. Now the problem is ... Any suggestion will be 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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299 views

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android - What is the difference between loading and creating AsyncTask on the UI thread?

While reading AsyncTask documentation, the part on Threading rules, I found this: The AsyncTask class must be ... talked about those later. See Question&Answers more detail:os...

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

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289 views

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android - How should I validate an e-mail address?

What's a good technique for validating an e-mail address (e.g. from a user input field) in Android? org.apache ... would I have to use RegExp? See Question&Answers more detail:os...

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

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193 views

1 answer

android - Get application names with specific permission

I want list of all applications installed on the device which use a specific permission like INTERNET. i am using ... ); } return results; } 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

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android - Unable to instantiate activity ComponentInfo

I am developing an application for Froyo as minimum version and Gingerbread as the target version. So, the manifest ... This is driving me nuts. See Question&Answers more detail:os...

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

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250 views

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android - setsupportactionbar() throws error

I tried following the steps for displaying a drawer above the action bar but below the status bar. The ... more information if requested. See Question&Answers more detail:os...

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

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406 views

1 answer

android - Crashlytics not uploading mapping file

I'm able to see crashes for a release build in Crashlytics but they are still obfuscated. I'm using: ... completed. Took 1.28 secs. See Question&Answers more detail:os...

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

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228 views

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android - Sort ArrayList with times in Java

I have a List<String> that contains a list of times from 8:00 am to 4:00 pm. When I show it in output it ... my list from 8:00am to 4:00pm ? See Question&Answers more detail:os...

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

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578 views

1 answer

android - How to get JSON object using HttpURLConnection instead of Volley?

What I'm trying to do is get some data from a HttpURLConnection instead of using JsonObjectRequest() from the Volley ... that did not work out. See Question&Answers more detail:os...

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

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406 views

1 answer

android - How to use MediaStore query to get Artists without duplicates?

I would like to get all the artists names on my phone by using MediaStore ;Already I have the whole list but ... , null); 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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305 views

1 answer

android - how to present a toast when a widget is clicked?

I need to do a simple widget that presents a Toast when clicking on it. My problem is that I cant find how ... appWidgetIds, view); } } 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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539 views

1 answer

android - How to set different applicationId for each flavor combination using flavorDimensions when using Gradle Kotlin-DSL?

I am converting an Android app to the Gradle Kotlin-DSL by using Kotlinscript files. I have a problem ... elegant solution to solve 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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269 views

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android - RecyclerView doesn't load items on first start of activity

Everytime we open the activity that bares the recycler adapter it fails to load on the first try. Exiting the ... will not create the items. See Question&Answers more detail:os...

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

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284 views

1 answer

android - Browser.EXTRA_APPLICATION_ID not working in ICS

How to reuse the Tab of the Browser.apk when start it from my service? Below is my code but it does not work ... ); } // Related to: 9221725 See Question&Answers more detail:os...

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

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211 views

1 answer

android - Custom Listview with CheckBox single selection

Here I am creating custom listview with checkbox / RadioButton. I got this but I need the single selection for ... android:gravity="right" /> See Question&Answers more detail:os...

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

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573 views

1 answer

android - How should I override VideoView's onDraw in order for it to have transparent rounded corners?

Clearly using a background shape doesnt work in the case of VideoView Also, there are lots of articles how to ... do it for a VideoView? See Question&Answers more detail:os...

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

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