Recent questions tagged Android

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android - How to put multiple widget sizes in one apk?

What I'm trying to do is have a clock widget of different sizes (i.e. 2x2, 3x3, 4x4 etc) in one apk ... about changing layouts, but not size... See Question&Answers more detail:os...

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

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527 views

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android - How to be notified when foreground (top) activity (application) changes

I want to write a service for Android platform that is notified when the current foreground activity changes. ... ?Not preferable solution... See Question&Answers more detail:os...

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

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340 views

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android - getSupportActionBar().setTitle() vs toolbar.setTitle()

I am aware that there are two methods to setting a title in an Android Activity. Assuming I already have the ... which is the better practice? See Question&Answers more detail:os...

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

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319 views

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android - Keep animated View at final Animation Position

So I'm animating a view using animation: <?xml version="1.0" encoding="utf-8"?> <set xmlns:android ... animation completes to fix ghost buttons. See Question&Answers more detail:os...

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

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335 views

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android - Can I keep the speech recognizer listening indefinitely?

When I call the startListening method of a SpeechRecognizer object, the speech recognizer starts listening ... listening indefinitely? See Question&Answers more detail:os...

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

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356 views

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android - Could not find method XXX, referenced from method YYY

I have two android projects, ProjA requires ProjB (in Eclipse Properties > Java Build Path > Projects > Add > ProjB ... can I fix the settings? See Question&Answers more detail:os...

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

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246 views

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android - Multi-layered ExpandableListView

I'm currently working on a project in which I need something like the following: - MainGroup 1 (Expandable) - ... from 1 to 20+ MainGroups. 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 - BottomNavigationView - Shadow and Ripple Effect

I was really happy when BottomNavigationView was released one week ago but I am facing some problems which makes me ... knows how to solve 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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301 views

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android - How to overlay views in other apps

Where do I start? I don't know what functions or permissions will I use to make this. No root required. The ... of what I want to achieve. 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 manifest merger failed, gms play services / firebase

I am trying to add firebase to my app using the firebaseUI. As the documentations says, I have used the ... out what the problem is? See Question&Answers more detail:os...

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

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258 views

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android - Google Play/App Store in-app purchase policies

I heard from someone that on App Store, everything you sell or anything the user buys, Apple must have their 30% on ... 't seem so clear to me. See Question&Answers more detail:os...

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

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327 views

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android studio 3.5 Warning: The rule `-keep public class * extends androidx.versionedparcelable.VersionedParcelable { <init>(); }` uses extends

Today, I updated my Android Studio to 3.5. After updated, I found below warning when I try to run ... alternative ways will be appreciating.. See Question&Answers more detail:os...

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

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200 views

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android - Coordinator layout custom layout behavior never getting called

Firstly, I'd like to preface this with my lack of knowledge about the coordinator layout. I'm merely following ... let me know! 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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582 views

1 answer

android - Disable an ImageButton

This looks easy, but I'm not able to disable an ImageButton. It continues to receive click events, and its ... . Does anyone have an idea? See Question&Answers more detail:os...

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

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247 views

1 answer

android - Increase the font size based on the size of the device

I planned to use different font size for the textview on different device size so as to make the letters ... </LinearLayout> 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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460 views

1 answer

android - GetFragmentManager.findFragmentByTag() returns null

getFragmentManager().beginTransaction() .replace(R.id.graph_fragment_holder, new GraphFragment(), "GRAPH_FRAGMENT") . ... fragments (edited) See Question&Answers more detail:os...

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

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487 views

1 answer

android - Check whether headphones are plugged in

I can't seem to find a way to know on android if the headphones are plugged in. I found various ... Does it require some special permissions? See Question&Answers more detail:os...

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

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388 views

1 answer

android - Reliably get height of status bar to solve KitKat translucent navigation issue

I am experimenting with the new Android 4.4 translucent navigation bars and would like to set the navigation bar ... a proper solution. 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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326 views

1 answer

android - Maintain keyboard open/closed state for EditText when app comes to foreground

I have an Activity which is recreated on a config change (desired). I have a DialogFragment which calls ... the app to the foreground. See Question&Answers more detail:os...

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

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321 views

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android - Text does not ellipsize

I have a TextView set to ellipsize but when I put the text in it doesn't do so. Any ideas? < ... ="?android:attr/textAppearanceMedium" /> See Question&Answers more detail:os...

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

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354 views

1 answer

android - Why do I need to wrap an ImageView into a FrameLayout?

Here is a simple layout: <RelativeLayout android:layout_width="match_parent" android:layout_height="wrap_content"> <ImageView ... you very much. 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

1 answer

android - How can ImageView link to web page?

is it possible to make an imageview link to a web page such that when user taps on the image, it takes them to a web page? See Question&Answers more detail:os...

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

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230 views

1 answer

android - Trouble with logging my data with crashlytics

I'm trying to get logs with some service data with Crashlytics in my android application. But I don't ... custom logs in Crashlytics dashboard? See Question&Answers more detail:os...

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

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342 views

1 answer

android - difference between fragmentTransaction.add and fragmentTransaction.replace

What I already known is: after fragmentTransaction.replace(), current fragment's onStop() function will be ... when popBackStack() called? See Question&Answers more detail:os...

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

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339 views

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android - Disable center button in MyLocation at Google Map API V2

I searched a lot on the web, but I haven't found anything which answered my question. When I enable MyLocation ... somebody of you can help me! See Question&Answers more detail:os...

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

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692 views

1 answer

android - Difference between setRepeating and setInexactRepeating of AlarmManager

What are the parameters of the following: alarmMgr.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), ... of functionality? See Question&Answers more detail:os...

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

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410 views

1 answer

android - Kotlin coroutines `runBlocking`

I am learning Kotlin coroutines. I've read that runBlocking is the way to bridge synchronous and asynchronous code. ... I am missing something. See Question&Answers more detail:os...

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

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230 views

1 answer

android - How to find the Width of the a view before the view is displayed?

How to find the Width of the a view before the view is displayed? I do not want to add a custom view and tap the dimensions in the OnChanged(). See Question&Answers more detail:os...

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

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