Recent questions tagged Android

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android - E/RecyclerView﹕ No adapter attached; skipping layout

By the title of this question, its easily understandable that, the adapter of recyclerview is not set inside a UI ... . Any help is 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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android - issue in creating a transparent Activity on top of another activity

im unable to create a transparent Activity on top of another activity i refered this following links solution ... appreciated 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 - In-app billing-v3 error in activity result

Whenever starting payment service everything is ok but in activity result got Error on activity result RESULT_OK = 0 ... in else statment .. 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 ensure that the Firebase Messaging sample implementation is notified even if app process is dead?

When I build and run the Firebase Messaging Sample app (after obtaining and installing a custom google-services.json file ... ": "high" }" echo 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 - Using intents for passing data

How do you send data from one activity to another using intents. (Note this is a two-part question, the ... question in an sqlite database. See Question&Answers more detail:os...

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

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232 views

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android - why won't contacts aggregate?

My app allows editing contacts. In this scenario, I chose a contact which existed in only one account and ... the original (1821) contact. 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 - How to consume this JSON structure via Retrofit 2?

Hello I have a json structure and I need to get the datas from url. How can I do that? What are classes and functions ... created: "..." } } ] } 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 - Data is getting added into list instead of getting updated in addChildEventListener's onChildChanged()

I have some data in firebase which gets changed on some specific actions and I want that change to be ... the previously added items itself? 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 - progress bar remains empty using asynctask - EDIT - dialog never stops loading

I want to have a progress bar while waiting for GPS signal to establish. I use: public class GetGPSData extends ... { this.location=location; } 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 - ViewPager and RecyclerView issue with fragment transition

The setup is like so: Single activity app (MainActivity) with nav_graph HomeFragment has viewPager2 with 3 ... information has been provided. See Question&Answers more detail:os...

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

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328 views

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android - Take whole "Screenshot" of a scrollable View

In my Fragment's layout i have a ScrollView with a LinearLayout inside <ScrollView android:id="@+id/scrollview" ... content. How can i 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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android - How to get correct coords(event.getX() / event.getY()) of Object with OnTouchListener

I have this : and what i want exactly is that to show portion of Bitmap via coords(X,Y) of object with ... Top.Left corners(X,Y)) ? 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 - Ionic Framework / Cordova Camera

I'm new to Ionic / Cordova Android dev. I've been trying to put in cordova camera plugin for last few days ... I will update it. Thank you! See Question&Answers more detail:os...

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

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231 views

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android - Why is my AccountAuthenticatorActivity not launching when triggered by another app?

I have a suite of apps and my AccountManager files live in one central app. I can use AccountManager.AddAccount( ... won't launch the activity. 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 do I synchronize scrollview positions of dynamic horizontal scroll views inside a container?

I have a parent container in one of my activities which make a call to it's child containers ... " android:layout_height="24dp" android:layout_gravity="center_vertical|end"...

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

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372 views

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android - Google Maps does not display any tiles, works fine in developer device

I developed an Android application with Google Maps. Maps work fine when I checked with my device, or even emulator. ... ". What could be wrong? 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 - How to send email with Attachment(Image)

I am tryed two ways to send email with image attachment.The attachment is displaying at the time of ... ; startActivity(picMessageIntent); } See Question&Answers more detail:os...

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

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425 views

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android - Swipe gesture in all direction(Left,Right, Up, Down )

I need to detect swipe direction in my code. I can detect the direction but it comes like if I swipe right top right ... } } } } return false; } See Question&Answers more detail:os...

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

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281 views

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android - How to pass value from 1st activity to 3rd activity

I wish to pass the value from 1st activity to 3rd activity. My 1st activity: CustomizedListview 2nd activity is: ... activity. Please 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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314 views

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android - How can I convert Json Date to Java Date

I am trying to convert Json date string to java date format. However, it gives error when it comes to " ... is: /Date(1323087840000+0200)/ See Question&Answers more detail:os...

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

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279 views

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android - calling a async task and waiting for answer

Hi I am trying check if a username is available but has to go through an async task to check. tried a ... , thank you in advance. Richard See Question&Answers more detail:os...

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

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832 views

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android - How to draw line between two anchors in Sceneform in ARCore?

I want to connect two TransformableNode on the Sceneform at ArFragment with some visible line but without using OpenGL ... I can do 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 - my Custom View gets drawn only when added in onCreate

I made a "GraphBar" custom view that is a RelativeLayout with a TextView on the bottom and an ImageView, varying ... where i can put the call. See Question&Answers more detail:os...

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

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282 views

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android - Firebase Backward compatibility with GCM

I have a project that uses push notifications via a 3rd party service that uses GCM under the hood. I have ... import them to Firebase? 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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270 views

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android - How Do I Fetch Name and Email using Facebook SDK

I am using a TextView to show Name and Email of logged in facebook user, but i really don't know How do I ... , Toast.LENGTH_SHORT).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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268 views

1 answer

android - Change the shape color of a ImageButton

I have a recyclerView where I create 12 ImageButtons. As default they are all black colored, because I made ... ); return viewHolder; } See Question&Answers more detail:os...

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

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281 views

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android - GPS coordinates (using location manager) get printed as null

OnCreateMethod, LocationManager manager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE); LocationListener listener ... GPS" See Question&Answers more detail:os...

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

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281 views

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android - Drop un-needed decimal ".0"

I'm making a simple calculator and I am having an issue with it showing a decimal on what I want to just be ... $op $secondnum =" zero = true } See Question&Answers more detail:os...

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

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