how to earn money from developing android apps

How to make money by developing IOS apps and making money by iosapp IOS has been in the trap for more than a year. To be honest, it is not a big bull, but it is also a little small revenue to develop apps. Of course, it cannot be anything. Although I don't really want

Developing Android Apps with Kotlin (IV): Custom views and Android extensions @author ASCE1885 's Github book Weibo CSDNOriginal link After reading the extension function and the default value of this article, then what to introduce next? As we said in the first article in this series, Kotlin makes

Java, the official website claims that Kotlin can be mixed with 100% and Java. With the launch of JetBrains, idea can be better supported. Disadvantages The associated jar packages that support Kotlin will be broken up and packaged into the APK. This part of the content will eventually increase the apk size by about 700k. This is a much better situation than the previous groovy, barely acceptable. There are too few developers using Kotlin compared to Java. The birth ti

Let me talk about myself first, a small programmer in a second-tier city (mainly outsourcing) who has been working for many years and earned a monthly income of 5-6 K. I am mainly engaged in asp.net web website development, java, c ++, php, and ruby, and I know a little about it. I like computer games and do not like foreign languages, I have worked in 7 or 8 companies, and now I can only be a small programmer. My friends and family have suggested that I must learn a foreign language well. I hav

we create a UI for the layout alone, we create an app that abuses memory, and it has a nasty delay in the UI. To achieve a smooth, low-footprint UI, the first step is to search your app to find out the potential bottleneck layout. Use the Hierarchy Viewer tools tool that comes with the Android sdk/tools/.Another good tool is lint, which scans the application's source code for possible bugs and optimizes control results. Recommendation 10: How to fix

C # language features, simple, fast and efficient. This time we do mobile development through C # and XAML.1. Development tools Visual Studio 2015 or Visual Studio 2017. Of course the latest preview version of Visual Studio 2017 contains Xamarin live player directly supporting the development of debugging iOS apps under Windows.2. Configuring the Mobile development environment3.android SDK Configuration4. C

create a UI for the layout alone, we create an app that abuses memory, and it has a nasty delay in the UI. To achieve a smooth, low-footprint UI, the first step is to search your app to find out the potential bottleneck layout. Use the Hierarchy Viewer tools tool that comes with the Android sdk/tools/.Another good tool is lint, which scans the application's source code for possible bugs and optimizes control results.Recommendation 10: How to fix the

pull or sleep state, which is why you should use Alarmmanager or configure attribute stopself () at the end of the service.Recommendation VIII: Other considerationsCheck the status and network status of the battery before making the overall update, and wait for the best state for a large-scale reload operation;Let the user see electricity situation, such as update cycle, background operation;Implementing a low memory footprint UIRecommendation IX: How to find layout display problemsWhen we crea

'); } The PHP service executes the auth.php file before processing each request. If UA (useragent) does not match, the program exits with exit. Android previous app for one user, each app directory only allows the app to access the user, So unless the phone is rooted, other apps can't read the data in the Phpdroid app directory. You can access the PHP service by reading the UA file in the Mainactivity.java

1. Axml2. Activity.cspublic class Bookingdetails:activity {private TextView timedisplay; Private Button Picktime; private int hour; private int minute; const int time_dialog_id = 0; Private TextView Datedisplay; Private Button pickdate; Private DateTime date; const int date_dialog_id = 1; Private DateTime Serverdatetime; protected override void OnCreate (bundle bundle) {Setcontentview (Resource.Layout.BookingDetails); Base