Posts by Jefferson Santos • 83 points
8 posts
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3
votes1
answer508
viewsQ: Break java loop
My project in Java is a lighthouse control with Arduino. Up to there everything right. However I made a function in which the leds is automatic in a loop after a RadionButton be selected. My problem…
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0
votes2
answers716
viewsQ: Converts String to int Arduino in C
Good people, I will try to explain my problem. I am developing a little software in Netbeans that communicates with Arduino via Serial Port. My problem is that in Netbeans IDE I am sending String,…
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-1
votes1
answer1024
viewsQ: java.lang.Runtimeexception: Unable to start Activity Componentinfo {...}: java.lang.Nullpointerexception
I’m trying to rewind facebook data and I’m getting this error. Logcat 10-24 00:46:41.230 7526-7526/sptour.hotmail.com E/AndroidRuntime: FATAL EXCEPTION: main Process: sptour.hotmail.com, PID: 7526…
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2
votes1
answer1015
viewsQ: How to check user on login screen?
I have a problem, I have a login screen and I need to check it with a query Sql. To be able to do something, but she doesn’t check and enter directly. private void btn_Entrar_Click(object sender,…
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0
votes1
answer634
viewsQ: Open external application within the application
I am developing an application that makes command via Arduino. So far everything goes well, but in the project the user will have access to external camera via IP, but I have no idea how I do it.…
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0
votes1
answer54
viewsQ: How to delete Gridview image?
I’m developing an app that contains a gallery, where the user takes photos and the image is shown on GridView, but I don’t know how to delete the selected image I was able to do something like: the…
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votes1
answer93
viewsQ: Delete gridview item from gallery photos
I’m developing an app that contains a gallery and found a tutorial that showed how to fill Gridview with photos taken from the camera. However, I’m having difficulty doing something for when the…
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1
votes1
answer153
viewsQ: Click on the Gridview photo and show in another Activity
I’m developing an app that contains a gallery and found a tutorial that showed how to fill the GridView with photo taken from camera. However, I’m having trouble doing something for when the photo…