Image Loader


Source link: https://github.com/yuriy-budiyev/image-loader

ImageLoader

Image loader library for Android. Allows you to build your own image loader that will do exactly what you want. Almost unlimited customization.

Usage

dependencies {

  implementation 'com.budiyev.android:image-loader:1.8.2' 
}

Basic usage sample

Basic implementation automatically cares about memory caching storage caching

public class MainActivity extends AppCompatActivity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

ImageView view = findViewById(R.id.image_view);

 ImageLoader.with(this).from("https://some.url/image").into(view).load();

  
}
 
}

Simple singleton implementation

You can build your own loader using builder

/**  * Simple image loader that automatically cares about memory and storage caching,  * read documentation for more info  */ public final class MyImageLoader {

  private static volatile MyImageLoader sInstance;
  private final ImageLoader<Uri> mLoader;

private MyImageLoader(@NonNull Context context) {

mLoader = ImageLoader.builder(context).uri().memoryCache().storageCache().build();

  
}

/** 
  * Load image form {
@code url
}
 to {
@code view
}
 
  * 
  * @param url  Source URL 
  * @param view Target image view 
  */
  @MainThread
  public void load(@NonNull String url, @NonNull ImageView view) {

mLoader.load(DataUtils.descriptor(Uri.parse(url)), view);

  
}

/** 
  * Get (or create, if not exist) loader instance 
  * 
  * @param context Context 
  * @return Loader instance 
  */
  @NonNull
  public static MyImageLoader with(@NonNull Context context) {

MyImageLoader instance = sInstance;

if (instance == null) {

 synchronized (MyImageLoader.class) {

  instance = sInstance;

  if (instance == null) {

instance = new MyImageLoader(context);

sInstance = instance;

  
}

 
}

}

return instance;
  
}

/** 
  * Clear memory cache if it exists, would be good to call this method in 
  * {
@link Application#onTrimMemory(int)
}
 method, 
  * read documentation for more info 
  */
  public static void clearMemoryCache() {

MyImageLoader instance = sInstance;

if (instance != null) {

 instance.mLoader.clearMemoryCache();

}

  
}
 
}

Implementation usage sample

public class MainActivity extends AppCompatActivity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

ImageView view = findViewById(R.id.image_view);

MyImageLoader.with(this).load("https://some.url/image", view);

  
}
 
}

Resources

Official Google Actions SDK is written in Node.js. But in many situations voice interfaces like Google Home or Google Assistant will extend or replace mobile apps. If you are old fashioned Android engineer and the most of your code is already written in Java, why not reuse it and build voice extension to app on your own? And this is the main reason to build Google Actions Java SDK - enabling as much developers as possible to build their brilliant ideas for Google Assistant and Home.

Currently this is just working proof of concept of Google Actions Java SDK. It means that there is no documentation, fixed interface, (not much) unit tests and many, many others.

Google Actions Java SDK is build based on official Node.js library, but it's not a mirror copy of it. The goal is to make it fully compatible with Conversational Protocol of Assistant Platform.

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