Questions tagged as 'android-studio'

Tagged questions
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Save Location with sharedpreferences - what default value do I have to use?

hi I'm trying to save a location with sharedpreferences but when I want to load it I can not. The problem is in the load in the default value that I put that is null but I do not know that another value put probe with several things but I do...
asked by 03.07.2018 / 04:54
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problems with getText of editText Android Studio

I have a problem with two EditText in particular, these are in a fragment , the first time I arrive at the fragment, these are empty I assign them a number ( ej: et1 = 1, et2 = 2; ) I do all the operations in a normal way, I l...
asked by 06.07.2018 / 16:51
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Maps are not shown in my Android project

When running the emulator in Android Studio I can see the maps, but if I install it from the device, like any apk like "app-release.apk" that's where the maps are NOT displayed. Please, I need help. Thank you very much     
asked by 30.06.2018 / 02:14
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Graphic libraries in Android Studios

I'm doing a project control app, with the CPM, calculates all the activities and gives the results, that part is perfect, the problem is that I want to make a graph and I do not have any experience with graphic libraries, I do not even know what...
asked by 02.07.2018 / 10:28
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How to consult a date that is after a given date sqlite?

What I want to do is that if for example in a sqlite table I have the following data DD / MM / YYY format | FECHA | -------------- | 06/12/2017 | | 24/7/2015 | | 2/10/2014 | | 13/1/2017 | | 06/11/2017 | and when mak...
asked by 02.07.2018 / 06:01
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can you do a fragment with vertical scroll in android studio?

It is for a questionnaire in the form of a list, but the questions below my fragment can not be seen because the fragment does not have the scroll. <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://...
asked by 30.06.2018 / 05:54
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Send data between activities

I have a problem. I have 2 activities, the main one and a second screen. I want the 2nd screen to send data to the main screen but when I start the application it tells me that it stopped and it closes. When I do it the other way around (From th...
asked by 30.11.2016 / 19:14
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Barchart does not start fromX in groupsbar - MpAndroidchar

I am using the lib of mpandroidchart and I have an error in groupsbart , which is a class where the first parametro.es fromx says that it initializes the X axis but when you put 1980f as it says to the documentation I...
asked by 27.06.2018 / 12:04
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HELP in Android Studio: "Rendering Problems: One or more layouts are missing the layout_width or layout_height attributes"

I was looking at a tutorial for a side menu, and at the time of making the layout of "navigation_header" I see this rendering error. I'm following the tutorial to the letter and I do not know why it happened. I'm in version 2.1.2. Here is t...
asked by 28.06.2018 / 00:22
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Connect cell phone with android studio on a remote desktop

For issues that escape from my hands, I am developing an application ANDROID on a remote desktop that actually in a virtual machine on a server, but I would like to use my cell phone as an emulator, but I can not get the virtual machine t...
asked by 27.06.2018 / 23:28