How to use

clear

method

in

com.bumptech.glide.load.engine.cache.DiskCache

@VisibleForTesting
synchronized void clearDiskCacheIfCreated() {
 if (diskCache == null) {
  return;
 }
 diskCache.clear();
}

public void clearDiskCache() {
 diskCacheProvider.getDiskCache().clear();
}

@After
public void tearDown() {
 try {
  cache.clear();
 } finally {
  deleteRecursive(dir);
 }
}

@Test
public void clearDiskCache_afterOpeningDiskCache_andDeleteDirectoryOutsideGlide_doesNotThrow() {
 DiskCache cache = DiskLruCacheWrapper.create(cacheDir, 1024 * 1024);
 cache.get(mock(Key.class));
 deleteRecursively(cacheDir);
 cache.clear();
}

@Test
public void get_afterDeleteDirectoryOutsideGlideAndClose_doesNotThrow() {
 DiskCache cache = DiskLruCacheWrapper.create(cacheDir, 1024 * 1024);
 cache.get(mock(Key.class));
 deleteRecursively(cacheDir);
 cache.clear();
 cache.get(mock(Key.class));
}

 @Test
 public void get_afterDeleteDirectoryOutsideGlideAndClose_doesNotThrow() {
  assumeTrue("A file handle is likely open, so cannot delete dir", !Util.isWindows());
  DiskCache cache = DiskLruCacheWrapper.create(dir, 1024 * 1024);
  cache.get(mock(Key.class));
  deleteRecursive(dir);
  cache.clear();

  cache.get(mock(Key.class));
 }
}

@Test
public void clearDiskCache_afterOpeningDiskCache_andDeleteDirectoryOutsideGlide_doesNotThrow() {
 assumeTrue("A file handle is likely open, so cannot delete dir", !Util.isWindows());
 DiskCache cache = DiskLruCacheWrapper.create(dir, 1024 * 1024);
 cache.get(mock(Key.class));
 deleteRecursive(dir);
 cache.clear();
}

@Test
public void loadFromCache_afterDiskCacheDeletedAndCleared_doesNotFail() {
 final DiskCache cache = DiskLruCacheWrapper.create(cacheDir, 1024 * 1024);
 cache.get(mock(Key.class));
 deleteRecursively(cacheDir);
 cache.clear();
 Glide.init(
   context,
   new GlideBuilder()
     .setDiskCache(new Factory() {
      @Override
      public DiskCache build() {
       return cache;
      }
     }));
 Drawable drawable =
   concurrency.get(
     Glide.with(context)
       .load(ResourceIds.raw.canonical)
       .submit());
 assertThat(drawable).isNotNull();
}

public void clearDiskCache() {
  diskCacheProvider.getDiskCache().clear();
}

public void clearDiskCache() {
 diskCacheProvider.getDiskCache().clear();
}