Questions tagged as 'android'

Tagged questions
1
answer

How to request evaluation in the android application in java?

What is the best way to request android app evaluation? Eg if the user chooses to evaluate it is directed to make a review of the app in google play.     
asked by 21.12.2014 / 00:53
2
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Verify that the string is null or empty

How do I check if my variable is empty or null? // Inserção Nome = tf_Nome.getText().toString(); Tipo = tf_Tipo.getText().toString(); Estoque = Integer.valueOf(tf_Estoque.getText().toString()); Preco = Double.valueOf(tf_Preco.getText(...
asked by 08.10.2014 / 18:46
1
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Updates and changes to the App version

I have some questions about updates and changes to an application version. I published an app on the Play Store and did not change anything on my AndroidManifest. It was as follows: package="com.app" android:versionCode="1" android:versionN...
asked by 21.07.2017 / 07:31
6
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How to "call" this correctly?

When Elements are within onCreate , using (this) is very easy ... Example 1: that works from within onCreate itself protected void onCreate(Bundle savedInstanceState) { Spinner spinner = (Spinner) findViewById(R.id.memo_confirmat...
asked by 27.01.2017 / 11:06
2
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How to send and receive bitmap on restful server

I searched and found very little content, I would like some tips because I never did. How do I send and receive a bitmap to a server? Command with JSon? Convert to base64? What is the best way to send and how should my method be on the server to...
asked by 22.10.2015 / 19:29
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How to implement a chat in an Android application with WebApi backend

I'm developing an Android application that consumes services from a WebApi project. In one part of this application will be necessary the development of chat between two or more people. Given this scenario, what is the best approach to develo...
asked by 05.03.2015 / 18:47
2
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Chat with app notifications

I have an Android application that through it, the user can send a message to the administrator (me). I wanted to do something cooler in this communication, I would like it when I respond to the message, it appears in the application that it has...
asked by 02.07.2014 / 04:05
3
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Why are so many folders named "Drawable" on Android?

I have a silly doubt. I already know that the Drawable folders on Android is to put the images with the relevant resolutions. For example, the drawable-ldpi folder is to put images at low resolution. But my question is this: When I ma...
asked by 15.04.2014 / 04:29
3
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Standardization of "String Resources" nomenclature

To support internationalization, Android has "resource" files called resource in XML, containing the texts to be displayed in the application. By default, the /res/values/strings.xml file has the texts of an Android application....
asked by 09.09.2016 / 15:07
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How to make a Square or Rectangular FloatingActionButton?

I have 2 Floating Action Buttons on the screen. How can I make them rectangular?     
asked by 27.09.2016 / 20:14