Recent questions tagged Android

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android - How to display menu item with icon and text in AppCompatActivity

I tried different combinations in xml file: <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns ... . How to display text? 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 - Bitmap is returning null from BitmapFactory.decodeFile(filename)

When I am calling this function there is no image in image view bitmapFactory.decodefile(filename) showing null .. please ... } } return null; } 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 include data files with the app's APK?

I want to create some pre-created files when my Android application is installed. I would like to create the file in ... ). How can 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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android - how to play video from url

I am beginner in android development and try to play video from link. But it's giving error "sorry ... (554): HandleErrorEvent: PVMFErrTimeout 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 programmatically launch a specific application?

I want to launch a specif application. I know how to do Intents but I want to avoid the selection menu if ... app. Hope this makes sense. 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 string.xml reading html tags problem

In Android project's strings.xml file i have following html text <?xml version="1.0" encoding="utf-8"?> ... with html tags from string.xml 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 "dot" for when registering an Activity

I'm kind of a noob at programming for the Android OS. I noticed in the books I have been reading that ... :name=".NewActivity"></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 - In what period does the firebase's app token changes and how to manage it?

I am new to firebase I am learning it like a toddler learning to walk. So far I have managed to send a ... . How can I manage this situation? 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 - MaterialComponents theme alert dialog buttons

Recently I switched from support library to com.google.android.material:material:1.0.0 But now I have a ... : android.app.AlertDialog.Builder 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 capture video frame

I need to get a frame of a video file (it may be on sdcard, cache dir or app dir). I have package ... player can play video from that URI) 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 - XMPP with Java Asmack library supporting X-FACEBOOK-PLATFORM

I'm trying to make a Facebook Chat on Android with the Smack library. I've read the Chat API from Facebook, but I ... AAA|BBB|CCC, I mean, BBB. 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 - Html.ImageGetter

Can any one help me out how to use Html.ImageGetter to dispaly images using html image src tag ? and example or good tutorial 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 - Dynamic contents in Maps V2 InfoWindow

I want to show an InfoWindow on markers in a Maps V2 fragment. Thing is, I want to show BitMaps that are ... on how to propperly implement 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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322 views

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android - Change language settings (locale) for the device

I know it's possible to have multiple languages in a single application through the res/string and depending on Locale ... used on the device ? 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 making a POJO in Firebase, can you use ServerValue.TIMESTAMP?

When you're making a Plain Old Java Object that's meant to be serialized from and deserialized to Firebase, is ... any work around for 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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313 views

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android - Is there any example about Spanned and Spannable text

I'm struggling with using EditText and Spannable text object, These days, I've read API documents around ... utilize EditText and Spannable. See Question&Answers more detail:os...

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

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207 views

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android - How to get the selected item from ListView?

in my Android app I have created a ListView component called myList, and filled it with objects of my own custom ... be the problem? Thank you See Question&Answers more detail:os...

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

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283 views

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android - How to use the Renderscript Support Library with Gradle

Is it possible to use the Support Renderscript Library with Gradle? If so, how do you include it in your 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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371 views

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android listview get selected item

I am new to android, I have a code in which I have placed buttons in list view. My list is as.. Number ... on buttons in getView(...) function. 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 - Disable or prevent multitouch in Activity

I have several Views on an Activity which a user wants to touch quickly in succession and I capture these touches ... but neither seem to work. See Question&Answers more detail:os...

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

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186 views

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android - Firebase Cloud Messaging - How to validate Tokens?

I am using Firebase Cloud Messaging (FCM) and as per the abreviated code below everytime a new Token is ... to not-existing Tokens. 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 - Send Post Request with params using Retrofit

I'm trying unsuccessfully to consume an API on Android using Retrofit library but while using POSTMAN I can see ... to parse the response. See Question&Answers more detail:os...

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

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315 views

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android - Running task periodicaly(once a day/once a week)

I want to run some task (i.e. get my web site news page) periodically (once a week/ a day), even if my application is closed. Is it 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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301 views

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android - How to extract the text from the selected item on the listView

I have a listview with some items. I would like to get the text from the selected item. Here is my list adapter and the ... = : " + text); }}); See Question&Answers more detail:os...

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

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279 views

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android set button background programmatically

I would like to know how to set the button color programatically? I have coded the following but fails: Button11. ... R.color.red); 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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490 views

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android - Admob shows Test ads but not real ads

I'm using admob for showing android ads. The test ads are working fine but real ads are not shown. Also, I've no ... ******" /> </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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299 views

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android - What are the differences among Internal storage, external storage, sd card and removable storage?

From the official documentation: Using the External Storage Every Android-compatible device supports a shared "external ... those files? 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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362 views

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android - Get context inside onClick(DialogInterface v, int buttonId)?

Getting the context inside onClick(View view), the callback for a button's onClickListener(), is easy: ... .OnClickListener Is 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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