Example usage for android.widget ImageView destroyDrawingCache

Introduction

In this page you can find the example usage for android.widget ImageView destroyDrawingCache.

Prototype

@Deprecated
public void destroyDrawingCache() 

Source Link

Document

Frees the resources used by the drawing cache.

Usage

From source file:Main.java

public static void stripImageView(ImageView view) {
    if (view.getDrawable() instanceof BitmapDrawable) {
        ((BitmapDrawable) view.getDrawable()).getBitmap().recycle();
    }/*from w  w w.ja v a  2s .c  o m*/
    view.getDrawable().setCallback(null);
    view.setImageDrawable(null);
    view.getResources().flushLayoutCache();
    view.destroyDrawingCache();
}

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From source file:org.odk.collect.android.widgets.QuestionWidget.java

public void recycleDrawables() {
    List<ImageView> images = new ArrayList<>();
    // collect all the image views
    recycleDrawablesRecursive(this, images);
    for (ImageView imageView : images) {
        imageView.destroyDrawingCache();
        Drawable d = imageView.getDrawable();
        if (d != null && d instanceof BitmapDrawable) {
            imageView.setImageDrawable(null);
            BitmapDrawable bd = (BitmapDrawable) d;
            Bitmap bmp = bd.getBitmap();
            if (bmp != null) {
                bmp.recycle();// ww w  . j ava 2 s .  c om
            }
        }
    }
}

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