Introducing Java for Android Development

2021 ◽  
pp. 105-116
Author(s):  
Grant Allen
Keyword(s):  
Author(s):  
Agung Riyadi

The One of many way to connect to the database through the android application is using volleyball and RESTAPI. By using RestAPI, the android application does not directly connect to the database but there is an intermediary in the form of an API. In android development, Android-volley has the disadvantage of making requests from large and large data, so an evaluation is needed to test the capabilities of the Android volley. This research was conducted to test android-volley to retrieve data through RESTAPI presented in the form of an application to retrieve medicinal plant data. From the test results can be used by volley an error occurs when the back button is pressed, in this case another process is carried out if the previous volley has not been loaded. This error occurred on several android versions such as lollipops and marshmallows also on some brands of devices. So that in using android-volley developer need to check the request queue process that is carried out by the user, if the data retrieval process by volley has not been completed, it is necessary to stop the process to download data using volley so that there is no Android Not Responding (ANR) error.Keywords: Android, Volley, WP REST API, ANR Error


2016 ◽  
Vol 15 (1) ◽  
pp. 79
Author(s):  
Ferry Yudhitama Putra ◽  
I Made Arsa Suyadnya ◽  
IGA Putu Raka Agung

Abstract— English Private lessons institutes are now widely facilitates a person to develop English skills in speaking and writing. Currently the service users private lessons English book private lessons manually, that is by coming directly to the place as well as through the telephone service, but with the operator even then still have difficulties in user validation that requires a long time. To facilitate the user in terms of the reservation, then the system will be built based on web and Android. Development of private lessons reservation application built with PHP and Java programming language using CodeIgniter framework on the web side , while on the Android using Eclipse tools , and MySQL as database storage media . Applications reservation private lessons has several functions to make a reservation time and tutor can be done by the student of Easyspeak and on the side of the tutor application can provide information about the student will be taught , as well as on the side of the operator to provide ease in setting booking private lessons because it computerized not manually as before. Applications reservation private lessons are also equipped with a reminder or reminders are made on the side of Android apps , using alarmmanager system.DOI:  10.24843/MITE.1501.14


2010 ◽  
pp. 279-301
Author(s):  
Grant Allen ◽  
Mike Owens
Keyword(s):  

Author(s):  
Liguo Yu

Android is an operating system for mobile devices. Its development is led by Google and some other companies. Because of the open-source property of Android, anyone can report a bug through its online bug tracking system. In this paper, we analyze the bug reports of Android operating systems. Specifically, through this study, we would like to answer the following questions regarding Android development and its project management: (1) Could Android bug reports be handled on time? (2) What is the distribution of different maintenance activities initiated by Android bug reports? (3) How long does it take to handle an Android bug report? (4) Are the number of followers and the number of following messages of an Android bug report related to the effort spent on handling this bug report? Through answering these questions, this paper presents a comprehensive study of Android bug reporting and handling process. The information and knowledge obtained through this case study could help us better understand open-source software project, such as its development process and project management.


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