Example usage for android.graphics.drawable BitmapDrawable setCallback

Introduction

In this page you can find the example usage for android.graphics.drawable BitmapDrawable setCallback.

Prototype

public final void setCallback(@Nullable Callback cb) 

Source Link

Document

Bind a Callback object to this Drawable.

Usage

From source file:Main.java

public static void releaseImageView(ImageView imageView) {
    if (imageView != null) {
        BitmapDrawable bitmapDrawable = (BitmapDrawable) (imageView.getDrawable());
        if (bitmapDrawable != null) {
            bitmapDrawable.setCallback(null);
        }//  w  w  w. j a  va2 s. co m
        imageView.setImageBitmap(null);
    }
}

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From source file:Main.java

public static void unbindImageView(ImageView imageView) {
    if (imageView == null) {
        return;//  ww w  . j  a va2  s. c om
    }

    if (imageView.getBackground() != null) {
        imageView.getBackground().setCallback(null);
    }

    if (imageView.getDrawable() == null)
        return;
    if (!(imageView.getDrawable() instanceof BitmapDrawable))
        return;
    if (((BitmapDrawable) imageView.getDrawable()).getBitmap() == null)
        return;

    BitmapDrawable drawable = (BitmapDrawable) imageView.getDrawable();
    try {
        if (drawable != null && imageView.getTag() != null && !drawable.getBitmap().isRecycled()) {
            if (!imageView.getTag().toString().equalsIgnoreCase("resource") && !usingMemoryCache) {
                drawable.getBitmap().recycle();
            }
        }
    } catch (RuntimeException e) {
        e.printStackTrace();
    }
    drawable.setCallback(null);
    imageView.setImageBitmap(null);
    imageView.setImageDrawable(null);
}

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