Questions tagged as 'android-studio'

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Unresolved reference: app in Android Dynamic Module

I have a problem and I am creating an Android Bundle app, but I do not create the activities in the Dynamic Modules, I just get this error: Unresolved reference: app This is the main app build.gradle code: android { compileSdkV...
asked by 02.12.2018 / 08:04
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Bug error update app in Play store

Update my application in google play developers, it turns out that I forgot to correct errors and good send about 4 updates which are published and updated normal (I tried it) then send a fifth update and it was published, but here comes the pro...
asked by 02.12.2018 / 02:11
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Help with calculation exercise in hours in android studio

In this exercise, I have to start with one hour of entry (example: 20:30), after that, I have to add the minutes to get the time of departure. But I have two details which I do not know what they are, the first one indicates an error of "Wron...
asked by 02.12.2018 / 05:20
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javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found

Very good: I am developing an app that should send an email to a contact account. I tried to do as I put it on the internet but I can not get it to work, besides when I run it, the app does not fail me but it does not do what I need. The code is...
asked by 03.12.2018 / 10:45
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Help with exercise in android studio?

What happens is that in this exercise, I have to enter an hour of entry to each specific query (either with a doctor of general medicine, dentist, dermatologist, etc.), after that I have to add the minutes that I Delay in each query and the resu...
asked by 03.12.2018 / 18:54
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Save textview value in a variable

I have the following declared TextView: TextView billChangeTV[0] = (TextView) parentView.findViewById(R.id.billChangeTabCash); I wanted to know how I can save the value that appears here in a variable of type double. Greetings.     
asked by 29.11.2018 / 13:15
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How can I deactivate a checbox box right after I check another one?

I have an activity where I want to select if the gender is male or female, for this I have two checbox. How can I make it so that when I check, for example in a female, I automatically deactivate the male box so that the two options can not be s...
asked by 29.11.2018 / 02:53
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Error importing a class from an Android Studio package

I do not understand I have created the class as public within the Model package, but when importing it it is as if it were not existing     
asked by 29.11.2018 / 19:50
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Android Studio error in Login Google, use Firebase

Hi, I'm new to Android Studio, I'm trying to log in with Google, to get information and work with it. I downloaded the Firebase assistant tools to configure the application. When I run the application I get a message saying "The application h...
asked by 28.11.2018 / 16:55
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Align bitmap image to center

I have the following code to generate a bitmap on a ticket for a thermal printer: String ticketPreSelectedImage = SharedPref.getInstance(this).getTicketPreSelectedImagePath(); if (ticketPreSelectedImage != null) { Bitmap image = B...
asked by 30.11.2018 / 09:20