Recent questions tagged Android

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android - Why isn't there a getContentView() method for Activity?

The Activity class has a setContentView() method. The PopupWindow Class has a getContentView() method but nothing ... view for an activity? 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 do I do something when an animation finishes?

I have an ImageView that I use to show progress via an AnimationDrawable. When I want to show my ... of an "AnimationCompleted" callback? 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 draw filled polygon?

How to draw filled polygon in 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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android - EditText request focus

I am designing a login page as: UserName: ..... Password: ..... LoginButton When the activity starts, I ... box. Can anyone please guide me? 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 - Read Assets file as string

I would like to read the content of a file located in the Assets as a String. For example, a text ... a full example would be appreciated. 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 gradle plugin - Echo off in Jenkins Console Output

I'm following guideline how to sign Android apk with Jenkins. I have parametrized Jenkins job with KSTOREPWD ... echo after export commands. 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 the duration of a Toast LENGTH_LONG and LENGTH_SHORT

I need the exact duration of LENGTH_LONG and LENGTH_SHORT in milliseconds (ms). Also I need to know if the ... is the actual duration defined. 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 check whether microphone is used by any background app

I have been searching for couple of days now and havent been able to find a suitable solution. I am ... Any suggestion i will appreciate. 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 - Downloading multiple files one by one using AsyncTask?

I'm trying to download multiple files one by one (file is downloaded, we start downloading the next file). Using ... by executing a task for it? 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 - Populate list of custom view using ListFragment

I am trying to show elements in a list view using Fragments. I created my custom view as follow graphical ... " since I'm using ListFragment 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 add new field(s) to the contact?

I want to add a Custom field to the ContactsContract content provider. I'm trying to build a Voip application and ... can give me an example. 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 - Add fragment into listview item

I want to have a fragment for each item in a listview, because I want to separate some logic out. I am ... anyone have a suggestion? 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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325 views

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android - Is there a way to animate on a Home Widget?

I want to use an animation on a Home page Widget, i.e. an AppWidgetProvider. I was hoping to use the ... , but that seems awfully expensive. See Question&Answers more detail:os...

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

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287 views

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android - Integrate my app with Contact

I would like to integrate my app with contact manager: More precisely: When I run Contact app in my phone and ... be clear. 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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610 views

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android - Is it possible for TextView Marquee in a Widget that extends AppWidgetProvider?

I am very new to Android programming, and I have read everywhere and I can't seem to find any solution. Basic ... ="true" /> </TextView> See Question&Answers more detail:os...

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

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352 views

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android - How to prevent NFC tag cloning?

I am making an app using NFC tags and I have to prevent the NFC tag from cloning. I have seen many other ... the same security for my NFC tag. See Question&Answers more detail:os...

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

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470 views

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android - How to open camera directly in panorama/photosphere mode?

I am stuck in a problem in Android 4.2 Jelly Bean. How can I open camera from my application, by default ... mode apart from video and image? See Question&Answers more detail:os...

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

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559 views

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android - API 29 Mediastore Access

My app creates playlists in the android mediastore. All is well for api's including 28 however, api 29 ... /external/audio/playlists/130/members See Question&Answers more detail:os...

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

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711 views

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android - Turn ON/OFF Camera LED/flash light in Samsung Galaxy Ace 2.2.1 & Galaxy Tab

I am turning ON Camera LED light using FLASH_MODE_ON. Samsung Galaxy Ace have only three flash modes : on, off ... till its requested to Stop. 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 - Cancelling a PendingIntent

When using a PendingIntent in an AppWidgetProvider, I'm using the following code: views.setOnClickPendingIntent( viewId, ... a reference to it? See Question&Answers more detail:os...

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

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311 views

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android - onClick event in navigation drawer

I have made a navigation drawer in Android in which I want to implement onClick for it. This is my main ... on the items of navigation drawer? See Question&Answers more detail:os...

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

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308 views

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android - How to return to the latest launched activity when re-launching application after pressing HOME?

Familiar scenario: I have a Main activity that launches a Game activity when a button is pressed. If the user ... not quite working as expected. See Question&Answers more detail:os...

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

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509 views

1 answer

android - How to use Zxing in portrait mode?

Currently zxing library supports only on landscape mode.For my app i need to use in portrait mode See Question&Answers more detail:os...

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

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239 views

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android - How to refresh a GridView?

I have a GridView which is pretty similar to the Google tutorial, except that I want to add the ... .ui.TransparentPanel> </LinearLayout> See Question&Answers more detail:os...

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

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446 views

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android - add onclick listener to predefined button?

I've got the following button in my xml layout file... <Button android:layout_width="150dip" android:id="@+id/ ... file. How would I do this? See Question&Answers more detail:os...

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

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607 views

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android - How do I kill an Activity when the Back button is pressed?

I got an Activity that when it starts, it loads an image from the internet. In an effort to save memory, ... them seemed to work. Any ideas? See Question&Answers more detail:os...

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

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290 views

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android - Is there another place to get a google-services.json?

I tried clicking the GET A CONFIGURATION FILE link from the docs, but the resulting page just loads and loads. This ... handle @ jquery.min.js:3 See Question&Answers more detail:os...

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

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504 views

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android - How to build app compliant with Google Play 64-bit requirement?

After I upload the APK to play store I got the following warning. What changes should I make to release ... requirement? The warning message: See Question&Answers more detail:os...

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

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