Recent questions tagged Android

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android - Firebase query for multiple where condition

I need equivalent query of SELECT PlayerName FROM GameScores WHERE Department = 'HR' OR Department = 'IT' OR Department = ... . How I can 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 - scale ImageView to look the same on phone and tablet

So this is how to image looks on my phone and on my tablet: phone tablet I want to scale the image such that when ... t work. How can I do 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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389 views

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android - POST Request Json file passing String and wait for the response Volley

I am new to Android and Volley, and I need your help. I need to post a String, have a json to ... (jsObjRequest); return tempToReturn[0]; } 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 - Firebase listeners first time invocation takes time

First time listener firing takes so much time (approx. 40s), subsequent loads takes lesser time (approx. 1s), how ... databaseError) { } }); 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 - Install home screen widgets progrommaticly

I have main activity window in my app, which displays three icons?on it, also there are 3 home screen widgets ... home screen menu add widget?? See Question&Answers more detail:os...

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

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135 views

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android - After sorting JSONArray,Custom list view not changed?

I am sorting JSONArray and show them in a custom list view, but after sorting the data does not changed in ... [jsonArray.length()]; voter_mobile=new String[jsonArray.length()];...

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

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android - How to download image from facebook Graph API

I want to download an image from facebook but my Bitmap is always null. [ private void extractFacebookIcon(String ... then bitmap was not 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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android - BroadcastReceiver dies with app

If i let the phone sit for a long time like 15 minutes i lose my receiver but i thought it was to persist ... if you need to do long actions. 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 - Determining if Firebase didn't download data with startAt and endAT

I'm trying to download data with Firebase. The issue is that I'm downloading the data based off of a ... . Any help would be appreciated. See Question&Answers more detail:os...

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

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512 views

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android - implmenent Paging Library 3.0 Filter/Search functionality

Using paging 3.0 , I am successful in implemented it. Now I want to add search functionality to it. I ... { return state.anchorPosition } } See Question&Answers more detail:os...

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

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169 views

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android - Why is the ORDER BY not working in a Sqlite query

Sqlite table creation in Android: // Contacts table name private static final String TABLE_CHAL = "CD"; // ... date before doing the order. See Question&Answers more detail:os...

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

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219 views

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android - setOnItemClickListener not getting called

I have this in the onCreate method as follows: ListView lv = (ListView)findViewById(android.R.id.list); adapter = ... . Can anyone help? Thanks. See Question&Answers more detail:os...

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

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309 views

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android - How to draw border for whole pdf pages using iText library 5.5.2

As in title mentioned, how to draw border with "RED" color , width-stroke 5 for all generated pdf pages using ... PDF file ! Thanks a lot.. See Question&Answers more detail:os...

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

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254 views

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android - Can't do heavy work on broadcast receiver which is inside the Service

I created a Broadcast Receiver Which is inside the Service Class (Because of the Android Broadcast receiver restrictions ... .push().getKey(); String android_id = Settings.Secu...

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

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219 views

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android - Unity - Error building Player: CommandInvokationFailure: Failed to re-package resources

I'm having some issues with Google Play Services and Unity 5.0.4. The issue occurs when I want to ... context) UnityEditor.HostView:OnGUI() See Question&Answers more detail:os...

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

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168 views

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android - How to get id of a string array in string.xml if you have the array name

I there a simple way to get the id of the string array defined in string.xml using it's string name? I have a ... , how would i get it's 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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157 views

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android - How to use security (Authentication & Authorization) in ASP.NET Web Api

I am developing an Android application which will use a SQL server(database) to store the application's data. ... a tutorial links if 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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170 views

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android - How can we add buttons at dynamic positions in layout?

How can we add buttons at dynamic positions in layout or using canvas, not in table layout? Can anyone please help me on 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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163 views

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android - Remove Specific value From Firebase Database

I want to Delete Specific value from Firebase Database following is Database which i have stored Now, I want ... Any help will be appreciated. See Question&Answers more detail:os...

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

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228 views

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android - opencv4android template matching using camera

I have downloaded and successfully run the example provided in opencv4android sdk. I am able to simply display ... preview seems like below See Question&Answers more detail:os...

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

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373 views

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android - Dynamic BroadcastReceivers: LocalBroadcastManager.registerReceiver vs registerReceiver

I'm trying to receive broadcasts from a service with 2 different receivers. One receiver update's a view so ... receiving any of my broadcasts? See Question&Answers more detail:os...

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

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166 views

1 answer

android - Make FirebaseRecyclerAdapter get data under conditions and not all of them

I need to adjust somehow the FirebaseRecyclerAdapter in order to get some data from my database and ... .support.constraint.ConstraintLayout> See Question&Answers more detail:os...

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

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217 views

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android - SQLiteBlobTooBigException still occurs after dividing the request in chunks of 1 MB (and cursor.close())

It is possible to import a text file of 6MB directly into my database. However, the text can't be ... continue to make other requests? See Question&Answers more detail:os...

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

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219 views

1 answer

android - MultiAutoCompleteTextView with contacts phone numbers

I need to create a MultiAutoCompleteTextView with the phone numbers of the contacts on a user's device. What I need ... able to do that. How? See Question&Answers more detail:os...

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

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175 views

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android - Open Multiple Listview Item Click to One Class

Hope you guys can help. I have a activity which handles all the 10 image button clicks and list view ... imageshack.us/img40/705/f6h9.png See Question&Answers more detail:os...

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

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326 views

1 answer

android - Firebase signInWithEmailAndPassword gives "com.google.firebase.auth not found"

I am using firebase as baackend for my android studio. And also fallowed eatch and every step provided by firebase console. I ... ) { } }); } @ See Question&Answers more detail:os...

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

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544 views

1 answer

android - SearchView in expanded mode doesn't hide all action bar icons starting from Marshmallow

SearchView looks fine on Lollipop devices (Android 21): But on Android 23-28 it doesn't hide all ... setHomeAsUpIndicator(R.drawable.ic_menu) } See Question&Answers more detail:os...

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

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419 views

1 answer

android - Volley pass array as parameters

i'm ussing volley to send post requests to my php backend but i'm unable to pass an array as parameters... ... " to my php backend.. thx See Question&Answers more detail:os...

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

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