Recent questions tagged Android

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android - Populating spinner directly in the layout xml

Is it possible to populate the options of a Spinner right in the layout xml? This page suggests I should use an ... not being able to do it.. 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 - Intercept and override HTTP requests from WebView

I have a WebView in my application in which some site is opened (always the same, it is my own page). The ... not suitable for my task also. 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 create a Service which continuously monitors app usage information?

Problem at Hand: I have to create a Service which runs continuously. This service monitors 5 apps say 5 android ... me to start this 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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android - Extract notification text from parcelable, contentView or contentIntent

So I got my AccessibilityService working with the following code: @Override public void onAccessibilityEvent(AccessibilityEvent ... out (3)? See Question&Answers more detail:os...

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

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357 views

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android - How to create a Looper thread, then send it a message immediately?

I have a worker thread that sits in the background, processing messages. Something like this: class Worker extends ... elegant way out of 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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227 views

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android - How to keep the OAuth consumer secret safe, and how to react when it's compromised?

This question is about trying to understand the security risks involved in implementing oauth on a mobile platform ... particular android app ? See Question&Answers more detail:os...

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

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494 views

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android - creating a strikethrough text?

Can I create a strikethrough text in Android, I mean adding a special value in the TextView tag that can make ... " android:textStyle="bold"/> See Question&Answers more detail:os...

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

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316 views

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android - Equivalent of ListView.setEmptyView in RecyclerView

In RecyclerView, I want to set an empty view to be shown when the adapter is empty. Is there an equivalent of ListView.setEmptyView()? 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 - Coordinator Layout with Toolbar in Fragments or Activity

With the new design library there are several new layouts that change a lot how the toolbar can behave if the ... would be the best approach? See Question&Answers more detail:os...

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

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529 views

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android - How do I add a bullet symbol in TextView?

I have a TextView and I want to add a bullet symbol in my text through XML. 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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341 views

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android - How can I pin a certificate with Square OKHTTP?

I think I need to create a new SSL Socket Factory? Also, I don't want to use the global SSL Context ( ... the source code here to get started See Question&Answers more detail:os...

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

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338 views

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android - Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE] even if app appears to not be installed

When trying to deploy my app to the Android device I am getting the following error: Deployment failed because of ... t appear in Settings->Apps See Question&Answers more detail:os...

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

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805 views

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android - How do you set the title color for the new Toolbar?

I'm using the new v7 Toolbar and for the life of me can't figure out how to change the color of ... ?actionBarSize" style="@style/ActionBar"/> See Question&Answers more detail:os...

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

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378 views

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android - How do I style appcompat-v7 Toolbar like Theme.AppCompat.Light.DarkActionBar?

I'm trying to recreate the look of Theme.AppCompat.Light.DarkActionBar with the new support library Toolbar. If ... .v7.widget.Toolbar's? See Question&Answers more detail:os...

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

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492 views

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android studio - ADB.exe is obsolete and has serious performance problems

I am using Windows 10 and when I launch the Virtual Device Emulator in Android Studio I keep getting the message ... message is no longer shown? See Question&Answers more detail:os...

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

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224 views

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android - How many Activities vs Fragments?

Intro: The basic "Fragments Tutorial" pattern goes something like this: On a tablet, have a list on ... : Advocating Against Android Fragments See Question&Answers more detail:os...

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

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262 views

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android - parsing date/time to localtimezone

I am trying to parse a date/time json from server side inside bind viewholder. The date string am trying to ... is the same as before parsing. See Question&Answers more detail:os...

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

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307 views

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android - Firebase retrieve data Null outside method

I put the below method inside an onCreate(), when the app launch it will trigger this method. But when I try to ... mName); // HERE GET 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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329 views

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android - Finish an activity after a time period

I am trying to develop a game like matching small pictures.My problem is that i want to finish the game after ... will be thankful for any help. See Question&Answers more detail:os...

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

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223 views

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android - how to save image taken from camera and show it to listview - crashes with "IllegalStateException"

I am confused about how to do this.. For database I use: public void insertImage(byte[] bytes) { ContentValues cv = new ... return id; } .... } See Question&Answers more detail:os...

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

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262 views

1 answer

android - Using katzer local notification in IBM Worklight

I want to use this cordova plugin at https://github.com/katzer/cordova-plugin-local-notifications How to go ... data stored in my application See Question&Answers more detail:os...

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

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368 views

1 answer

android - Trying to fix NetworkOnMainThreadException but gives Toast error

I'm trying to fix a Thread error for one of my preferred examples from java code geeks. Here's the code: public ... giving a Toast error (?). See Question&Answers more detail:os...

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

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294 views

1 answer

android - How to setup Alertbox from BroadcastReceiver

I have implemented alarm in android app. Alarm is working fine. Toast message is visible. Now I want to make Alert Box ... .create().show(); } } See Question&Answers more detail:os...

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

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417 views

1 answer

android - Firebase endAt() not working with date string?

Pretty basic question in here My Stored Date String is like this in Firebase DB 23-Oct-2016 07:00:11 AM Now i am ... 23-Oct-2016").endAt("PM"); See Question&Answers more detail:os...

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

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438 views

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android - Emulator: Warning: Quick Boot / Snapshots not supported on this machine

I am starting to learn android but havent been able to get anywhere. I downloaded android studio as per ... and get any emulator working! See Question&Answers more detail:os...

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

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321 views

1 answer

android - What happens to older clients when you migrate an app server from GCM to FCM?

I'm considering migration to FCM. The client side of things is rather simple, you move some code around and get ... I should be aware of? See Question&Answers more detail:os...

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

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392 views

1 answer

android - I'm getting a java.lang.classnotfoundexception: com.mysql.jdbc.Driver

How come I get this error? Check the picture: I used the same jar on normal java projects(not android ones) and it used to work. What's wrong? See Question&Answers more detail:os...

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

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332 views

1 answer

android - FireStorePagingAdapter not receiving realtime updates

I am testing FirestorePagingAdapter from https://github.com/firebase/FirebaseUI-Android/tree/version-3.4.0-dev ... receive the realtime events? See Question&Answers more detail:os...

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

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