Build your first android app using android studio

Build your st 1st android app you need to some environment (IDE) that you can get from https://developer.android.com/ site and download as per you OS (Mac ,Windows ,Linux)

you can download directly from below link also https://developer.android.com/studio after following instaction from official site you need to download android SDK  

Now you can start  your 1st project from here also can follow some guild line from below link 

https://developer.android.com/training/basics/firstapp/index.html  to understand basic fundamental of android you can follow also https://developer.android.com/guide/components/fundamenta

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Google bought Fitbit $2.1 billion

Google, the company that helped make it fun to just sit around surfing the web, is jumping into the fitness-tracker business with both feet, buying Fitbit for about $2.1 billion.

The deal could put Google in direct competition with Apple and Samsung in the highly competitive market for smartwatches and other wearable electronics. But it also raises questions about privacy and Google's dominance in the tech industry.

The company's announcement Friday came with a promise that it won't sell ads using the intimate health data that Fitbit devices collect.

for more details check original new from below link

https://economictimes.indiatimes.com/news/international/business/google-buys-fitbit-for-2-1-billion/into-the-fitness-tracker-business/slideshow/71862709.cms

How can convert JSON from Model class or Pojo Class

You can easily convert JSON String from to Model class or Pojo Class . This very help full when you want to update your JSON date , At first you convert total data to projo class from your JSON string
and then using set or get method to update you model class and then agian convert it to JSON from
Pojo class .


Here a sample code to understand how it work :

Sample JSON Array String :

{
  users: [
    {
      name: "name1",
      email: "abc1@gmail.com",
     
    },
    {
      name: "name2",
     email: "abc2@gmail.com",     
    }
  ]
} 

------------------------------------------------------------------------
Pojo Class :

public class MyModel{
    private List<User> users;
    // +getters/setters
}

public class User {
    private String name;
    private String email;
  
}

Implementation :

Data data = gson.fromJson(json, Data.class);

data.setName("new Name"); 

data.setEmail("new email");
implementation 'com.google.code.gson:gson:2.8.6' add dependency for using gson