Recent questions tagged Android

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android - Remove the error indicator from a previously-validated EditText widget

I am using an EditText widget, and I am validating it with the setError() method of EditText and it validates ... EditText. How is it possible. 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 - Broadcast if a bluetooth device is connecting/disconnecting?

I want start a service, when a specific bluetoothdevice is connected and stop this service when it's disconnected. ... didn't work. 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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android - Get Latitude and longitude of marker in google maps

I'm using the following code to create a map and attach a marker to it. I'm also adding a marker ... TODO Auto-generated method stub } } 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 - Implement multiple ViewHolder types in RecycleView adapter

It's maybe a discussion not a question. Normal way to implement multiple types As you know, if we want to ... you use in your developing work? 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 - Getting name and email from contact list is very slow

I'm implementing an AutoCompleteTextView and I need Name and E-Mail of all my contacts. I found this snippet that ... it and make it faster? See Question&Answers more detail:os...

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

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389 views

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android - How to run several translate animations sequentially?

I want to run the three translate animations shown below sequentially. i.e. after one translate animation ends, the second ... "1000" /> </set> See Question&Answers more detail:os...

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

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244 views

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android - Add icon with title in CollapsingToolbarLayout

I am using CoordinatorLayout to get this effect : Here is the layout code: <?xml version="1.0" encoding="utf-8 ... an icon with the title text? 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 - Adding widgets to a launcher page without bindAppWidgetId()

I'm trying to turn the stock ICS launcher into a standalone app. I'm nearly there - the only things ... experience as the stock ICS launcher? 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 - Provide secure Facebook authentication with my Server

I would like to build a little mobile App (Android and iOS) and a little backend server with a REST Api. My ... RSA lib for iOS and Android? 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 - Specifying limit / offset for ContentProvider queries

I'm trying to get my ContentResolver to run this query: select * from myTable limit 1 offset 2 The only ... the correct way of achieving 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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316 views

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android - A simple ndk project using the Eigen library and jni

So today with some help from the people on here I put together a simple android app that uses the ndk. I ... the native side and back :) 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 - Fire notification at every 24 hours and at exact time of 8 AM

I am using AlarmManager() to fire notification and repeat it at every 24 hours. My code is on onCreate() in Splash ... }; timer.start(); } } See Question&Answers more detail:os...

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

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177 views

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android - Should I comment my log calls when creating my final package?

I have an application that uses a lot of Log.d() or Log.e() calls for debugging. Now I want to ... the non debuggable final version package ? See Question&Answers more detail:os...

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

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377 views

1 answer

android - Built-in Camera, using the extra MediaStore.EXTRA_OUTPUT stores pictures twice (in my folder, and in the default)

I'm currently developing an app which uses the built-in Camera. I call this snippet by clicking a button ... will use the Camera class directly See Question&Answers more detail:os...

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

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284 views

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android - Apache HTTP Client Removal from API23, will that have an effect on Volley?

As we have known that Apache HTTP Client removed in API 23 Apache HTTP Client Removal However, Volley library currently ... is ASP.NET Web API. See Question&Answers more detail:os...

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

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298 views

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android - ViewPager Activity to notify a Fragment of a specific event

I have a ViewPager and it is using a FragmentAdapter in order to display several fragments of the same kind. ... other solution is also welcome! 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

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android - Using TabLayout inside a Fragment; tab text invisible

I'm currently experimenting with various new components in the new Android Support Design library. I' ... configChanges="orientation|screenSize" See Question&Answers more detail:os...

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

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145 views

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android - Get country from coordinates?

How to get country name in Android, If are known geo coordinates? How to make it the simplest way? 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

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android - Alarm Manager - Scheduling multiple Non-repeating events

In Android Alarm Manager, how can we schedule multiple alarms which are non-repeating and do not have fixed ... .notify(2425, notification); See Question&Answers more detail:os...

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

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577 views

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android - Permission is only granted to system app, in Manifest

I want to add this permission to my Android manifest: <uses-permission android:name="android.permission.MODIFY_PHONE_STATE" ... What 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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621 views

1 answer

android - Activity with fragments does not resize when the keyboard opens

In my main activity there is a RelativeLayout that has 2 childs: An ImageView which serves as the background A ... trying to figure out why. See Question&Answers more detail:os...

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

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267 views

1 answer

android - Back Arrow and Overflow Icons Wrong Color in Pre-Lollipop Devices After Updating to Support Library 23.2.0

On pre-Lollipop devices, the overflow menu icon and back button on actionbar changed to black color after ... android/issues/detail?id=201918 See Question&Answers more detail:os...

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

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172 views

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android - How to access original activity's views from spawned background service

I have an activity called A, and on the selection of menu item 0, it spawns service B, which starts a runnable ... do I need to make this work? See Question&Answers more detail:os...

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

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254 views

1 answer

android - "Can not perform this action after onSaveInstanceState" - why am I getting this exception from my activity's onResume method?

My activity invokes the camera with the ACTION_IMAGE_CAPTURE intent. If the camera activity returns succesfully, I ... wisdom 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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247 views

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android - Unable to resolve superclass error when referencing .jar library

I did an Android project and run it. It ran successfully. I developed a web service in Java and hosted it. ... ;.onClick (Landroid/view/View;) See Question&Answers more detail:os...

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

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305 views

1 answer

android - Crashlytics found an invalid API key

When I am trying to build project with value of meta-data tag as a string reference, crashlytics fail with ... this in a future release. See Question&Answers more detail:os...

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

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275 views

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android - How to update a spinner dynamically?

I've been trying to update my spinner in android dynamically but nothing I try has been working. This is the ... being updated in the Spinner. See Question&Answers more detail:os...

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

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364 views

1 answer

android - Nested Recyclerview scrolls by itself

I have a parent recyclerview that has 3 child view in it. The last two of the child are recyclerview. Parent ... what causes it. Any fix? See Question&Answers more detail:os...

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

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