Styjun

I load an image from url into an imageview in Activity 1 (using glide). When I switch to activity 2 ,I disconnect my network connection and I'm required to load the same image in another imageview. How am I supposed to achieve this? Can this be done by using the image cached somewhere by glide?

In your Activity1

Convert ImageView to Bitmap

imageView.buildDrawingCache();
Bitmap bmp = imageView.getDrawingCache();

Intent intent = new Intent(this, Activity2.class);
intent.putExtra("img", bmp);

In Activity2

 Bitmap bitmap = (Bitmap) intent.getParcelableExtra("img");
 imageView.setImageBitmap(bitmap);

Instead of caching image using glide create your own cache folder and cache images into it.It can be easily accessible throughout the application

 Glide.with(yourImageView.getContext())
 .load("your url")
 .asBitmap()
 .placeholder(R.drawable.place_holder)
 .error(R.drawable.place_holder)
 .into(new SimpleTarget<Bitmap>() 
 @Override
 public void onResourceReady(Bitmap resource, Transition<? super Bitmap> transition) 

 //Create a folder for caching and add images from here

 
 );

I use this and this works for me:

Add a OnClickListener like below:

 Glide.with(this)
 .load("URL HERE")
 .diskCacheStrategy(DiskCacheStrategy.ALL)
 .into(Image);

 Image.setOnClickListener(new View.OnClickListener() 
 @Override
 public void onClick(View v) 
 Intent intent= new Intent(context,FullScreenImage.class);
 intent.putExtra("image_url", "URL HERE" );
 startActivity(intent);
 
 );

Then in the new Activity:

 public class FullScreenImage extends AppCompatActivity 


 ImageView myImage;
 String url = "";

 @Override
 protected void onCreate(Bundle savedInstanceState) 
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_full_screen_image);

 url = getIntent().getStringExtra("image_url");

 myImage = findViewById(R.id.myImage);
 Glide.with(this).load(url)
 .placeholder(R.drawable.ic_image_send_24dp)
 .error(R.drawable.ic_image_send_24dp)
 .diskCacheStrategy(DiskCacheStrategy.ALL)
 .into(myImage);
 

PS: Dont forget to use .diskCacheStrategy(DiskCacheStrategy.ALL) in both the activities while using glide.