Recent questions tagged Android

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android - How can I do databinding with livedata?

How can I do databinding with livedata? activity_user_detail.xml: <data> <variable name="viewModel" type=" ... binding.setViewModel(viewModel); See Question&Answers more detail:os...

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

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784 views

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android - Set color to unselected tab indicator in tab layout

I am using tablayout provided by google and everything is working fine except the color of the unselected ... .design.widget.CoordinatorLayout> See Question&Answers more detail:os...

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

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694 views

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android - Google Volley - when to use Cache.remove and Cache.invalidate

I am integrating Volley into a project and came across the standard [We have items in the Cache, but want ... using fullExpire over remove()? 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 - how to set margin in Dialog

I have used Dialog for display ad in my Andorid app.But I have to display this Dialog about 50dp top from buttom so i ... ; } }); dialog.show(); See Question&Answers more detail:os...

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

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580 views

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android - Performance wise, what is typically better, using an image or a xml created shape as a drawable?

For example, if each row in a list had a background that was a gradient, would it be better to use ... difference between the two methods? See Question&Answers more detail:os...

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

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448 views

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android - Bluetooth File Transfer

I am developing a Bluetooth application based on the Bluetooth Chat Example from the Android Developer Site. I need ... anybody help me 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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591 views

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android - Passing a activity context into a static method, memory leak potential?

I've seen this particular technique for launching activities and it seems to me like a bad idea because of static ... a good practice to do? See Question&Answers more detail:os...

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

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698 views

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android - maxHeight does not work on RecyclerView

I've a DialogFragment. Layout: <?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout ... no effect what-so-ever. 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 - Having a problem removing TextViews from a LinearLayout programmatically

I am programmatically adding TextViews to a LinearLayout, and deleting them on touch. It all works fine ... .removeAllViewsInLayout(); } See Question&Answers more detail:os...

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

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273 views

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android - GCM register didnot work on my emulator

I had use GCM service on my app , I did my code after more resarches also from stack overflow members ... Messaging for Android No known issues See Question&Answers more detail:os...

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

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358 views

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android - Proguard no longer works with Retrofit

I have found older questions which touch on the same subject but with the latest versions none of the available ... recently and resolved 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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243 views

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android - RelativeLayout Scrollable

I have tried many times to aligh the elements in my RelativeLayout but I dont get the result I expected ... </ScrollView> </RelativeLayout> See Question&Answers more detail:os...

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

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461 views

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android - Best practice to reference the parent activity of a fragment?

I've been working a lot with fragments lately and I was just curious as to what the best practice ... on the onActivityCreated callback. See Question&Answers more detail:os...

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

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310 views

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android - Window manager bad token exception

Hi I am facing a problem in Message dialog, getting Force close my code is here. in on create: ... .system.NativeStart.main(Native Method) See Question&Answers more detail:os...

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

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353 views

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android - Service Automatic Called on Destroying Activity

I am stuck with the problem of Activity + Service in that I have following number of Activities and Services. ... } Is there any 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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443 views

1 answer

android - How can we open TextView's links into Webview

How can I open TextView's links into WebView when I click on links of TextView. See Question&Answers more detail:os...

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

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271 views

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android - Activity screen not rotating when I rotate mobile

I have used this code as @gnobal posted on https://stackoverflow.com/a/2700683/1556329 and it works great ... other parameters without luck. See Question&Answers more detail:os...

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

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658 views

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android - How to upload an image to Firebase storage?

I'm trying to upload a simple byte array into Firebase storage, but my onFailureListener keeps getting called and ... D/myStorage: failure :( See Question&Answers more detail:os...

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

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330 views

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android - How can I use google play services in a maven project?

Somebody can give me a step by step tutorial about how can I use google play services in a maven project? I' ... .android.gms in the gen folder? See Question&Answers more detail:os...

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

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502 views

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android - How to know in BroadcastReceiver if App is running on foreground?

I am working in application that needs make a synchronization every night. I use Alarm Manager that calls a ... doing bad? Really 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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396 views

1 answer

android - getCheckedRadioButtonId() returning useless int?

I have a button's onClickListener that needs to detect which radiobutton was selected when the user clicks the button. ... execute(); } } }; See Question&Answers more detail:os...

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

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1.1k views

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android - ListAdapter not refreshing RecyclerView if I submit the same list with different item order

I am using a RecyclerView with ListAdapter (which uses AsyncListDiffer to calculate and animate changes when list ... a different ordered list? See Question&Answers more detail:os...

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

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1.7k views

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android - could not connect to tcp:5037: cannot connect to 127.0.0.1:5037: No connection could be made because the target machine actively refused it. (10061)

Hi I am new to android I am not able to run adb.exe it gives me below error: ==>adb start-server adb I 6108 ... . (2) What is this error..? See Question&Answers more detail:os...

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

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419 views

1 answer

android - Measure view in fragment

I need to know ImageView width and height. Is there a way to measure it in fragment ? In standard Activity ... image.getHeight(); in 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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747 views

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android - Events of TextWatcher are being called twice

On my application I put TextWatcher on EditText. When I change the text of the EditText, the events of ... emulator for running the app. See Question&Answers more detail:os...

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

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564 views

1 answer

android - HTML5 video remove overlay play icon

How do I remove the overlay play icon (triangle) that's visible in the center of the video for a second ... Android WebView? 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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386 views

1 answer

android - FragmentManager - IllegalStateException - No Host

I'm facing very strange issue with this stacktrace: Fatal Exception: java.lang.IllegalStateException No host android ... for every advice. See Question&Answers more detail:os...

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

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830 views

1 answer

android - java.lang.IllegalArgumentException: Failed to find configured root that contains /storage/emulated/0/Pictures/

Looking for some help on an error I am getting while trying to store Pictures taken with the camera for an ... Android. 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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