Questions tagged as 'android'

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Click the GridView photo and show in another Activity

I'm developing an app that contains a gallery and I found a tutorial that showed how to fill GridView with pictures taken from the camera. However, I'm having trouble doing something for when the photo is clicked, open an activity wi...
asked by 13.08.2016 / 20:23
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Remove title space in AlertDialog

I have the following Dialog in my application As you can see, I will not use Title ( nomequalquer.setTitle("blabla") ) nor Message. I would like to know what I can do to make this white space where the title of about 50dp would be...
asked by 13.06.2016 / 03:06
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Integrating Barcode Reader on Android

I'm trying to add barcode functionality to my application through com.google.zxing.client.android.SCAN. I added the calls to the application via Intent according to the code below: static final String ACTION_SCAN = "com.google.zxing.client....
asked by 10.06.2016 / 16:35
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Open another activity silently

It is as follows; I added a button to open an activity from another app. Is it possible to open only silently, that is, anonymous, invisible, minimized, or better, without the user noticing!? Intent launchIntent = getPackageManager().getLaunch...
asked by 13.06.2016 / 02:35
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How to display image size proportional to libgdx?

How do I display the images in my game that are size proportional to the screen size of the device, so that if an image has a 1/3 width of the screen on a 480x800 screen, it should also have the same 1/3 320x480 or 720x1280? I think it's with '...
asked by 12.06.2016 / 01:03
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The separator is going through the reset button

I wanted the tab to stop just below the FREE THROW buttons, not at the bottom of the screen. How do I correct so that the design is responsive? Why is the content disorganized when the screen is in landscape mode? <?xmlversion="1.0" e...
asked by 05.08.2016 / 07:28
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Android Studio, how to collect data from other screens and show on the last screen?

I have an app with 5 screens, The first screen the basic information of the user where user inserts the information; On the second screen, the information about your interests; On the third screen your goals; And so by the next,...
asked by 02.06.2016 / 02:01
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Calculator error created in android studio

I started doing some things with in android studio. The error you are giving is in a simple calculator and does not do the correct operations, for example: 1 + 2 = 1,1 + 8 = 1, and others that are giving 0. I have two textview , operation...
asked by 19.06.2016 / 08:47
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TimerTask error: Looper.prepare () not called

I received this error.    Can not create handler inside thread that has not called Looper.prepare () Aim is to repeat the function that receives the map from 1000 to 1000 thousandths of a second. Timer t = new Timer(); //Set the schedul...
asked by 03.07.2016 / 15:24
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Android Studio 2.1.1 - Rendering Problem

My Android Studio 2.1.1 (Windows XP) is giving trouble when it is opened: the virtual cell phone screen is gray instead of white. With this, any item that I enter in my project is invisible.     
asked by 04.07.2016 / 04:34