Retrofit library
0)build.gradle(module:app) 1) MainActivity.java 2) pojo.java 3) JsonAdapter.java 4) Api.java (interface) 5) MainActivity.xml 6) single.xml dependencies { //noinspection GradleCompatible implementation 'com.android.support:appcompat-v7:26.1.0' implementation 'com.android.support.constraint:constraint-layout:1.1.1' testImplementation 'junit:junit:4.12' androidTestImplementation 'com.android.support.test:runner:1.0.2' androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2' implementation 'com.squareup.picasso:picasso:2.71828' compile 'com.squareup.retrofit2:retrofit:2.1.0' compile 'com.squareup.retrofit2:converter-gson:2.1.0' } MainActivity.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/a...