id tag

1618 questions

1 answers
112 views
0

After upgrading Eclipse's Android sdk, I got a java.lang.ClassNotFoundException error.

I was developing a simple app with the 4.2.2 version. It worked fine on the device at that time. And stopped developing for almost a monthI recently saw Google I/O and decided to develop it again. And...

android classnotfoundexception

2 years ago

1 answers
24 views
0

About synchronized Java (Android) arraylist

Java (Android) is changing arraylist data from multiple threads At the same time, data was added (.add)So I learned about synchronized while learning about synchronizedsynchronized(data){ data.add();}...

java android

2 years ago

1 answers
39 views
0

Should I study Linux to know the overall process of Android - App Installation ~ App Execution ~ onCreate()?

I'd like to know more about the overall operating order of Andorid, so I need to study C and Linux, right?Please reply.

android linux

2 years ago

1 answers
69 views
0

List How to use it

List <? You want to use the datatype in extensions List <LatLng >>. But I don't know how to use it.Give me an example!

android list googlemap

2 years ago

1 answers
103 views
0

How do I add a library project to an Android project?

Created a new Android project. I downloaded Action Bar for Android Library because I wanted to add one action bar at the top. I downloaded the file because I wanted to support Android 2.1 version of t...

android eclipse-adt eclipse library-project

2 years ago

1 answers
101 views
0

Neither Android AsyncTask, onPreExecute(), nor doInBackground() will run.

Hi, everyone. I'm leaving a question for the first time.Run AsyncTask on the main thread as follows: FetchPlacesListTask placesListTask = new FetchPlacesListTask(this); placesListTask.execute(catego...

android android-asynctask

2 years ago

1 answers
127 views
0

This is a bug question that does not support 6.0 when running an application that does not support Windows Manager on the 6.0 device.

Currently, it does not support 6.0, and I am drawing one screen at the top through Window Manager.There was a problem when using this product on the 6.0 version terminal.The build or target cannot be ...

android permissions system-alert-window

2 years ago

1 answers
110 views
0

I only want to put numbers in the value of edittext on Android, what should I do?

android android-edittext

2 years ago

1 answers
100 views
0

mipmap and drawable folders

I'm using Android Studio version 1.1. I saw it while making a new projectIn this way, only the mipmap folder contains a different DPI, but there are no files in the drawable folder.Should I put the re...

android android-studio mipmaps drawable

2 years ago

1 answers
101 views
0

This is a question about how to hand over the position value when clicked in recyclerview.

When you click one view in the Recycler view, you take one value of the array containing the data in the clicked view and (AsyncTask) asynchronous communication. At this time, the value to post to jso...

java android json recyclerview

2 years ago

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