Add getters to Bitmap Pool for cache statistics.

PiperOrigin-RevId: 271557242

Author: sjudd

README.md

@@ -31,8 +31,8 @@ repositories {
 }
 
 dependencies {
-  implementation 'com.github.bumptech.glide:glide:4.10.0'
-  annotationProcessor 'com.github.bumptech.glide:compiler:4.10.0'
+  implementation 'com.github.bumptech.glide:glide:4.9.0'
+  annotationProcessor 'com.github.bumptech.glide:compiler:4.9.0'
 }
 ```
 
@@ -42,12 +42,12 @@ Or Maven:
 <dependency>
   <groupId>com.github.bumptech.glide</groupId>
   <artifactId>glide</artifactId>
-  <version>4.10.0</version>
+  <version>4.9.0</version>
 </dependency>
 <dependency>
   <groupId>com.github.bumptech.glide</groupId>
   <artifactId>compiler</artifactId>
-  <version>4.10.0</version>
+  <version>4.9.0</version>
   <optional>true</optional>
 </dependency>
 ```

library/src/main/java/com/bumptech/glide/load/engine/bitmap_recycle/LruBitmapPool.java

@@ -68,6 +68,26 @@ public LruBitmapPool(long maxSize, Set<Bitmap.Config> allowedConfigs) {
     this(maxSize, getDefaultStrategy(), allowedConfigs);
   }
 
+  /** Returns the number of cache hits for bitmaps in the pool. */
+  public long hitCount() {
+    return hits;
+  }
+
+  /** Returns the number of cache misses for bitmaps in the pool. */
+  public long missCount() {
+    return misses;
+  }
+
+  /** Returns the number of bitmaps that have been evicted from the pool. */
+  public long evictionCount() {
+    return evictions;
+  }
+
+  /** Returns the current size of the pool in bytes. */
+  public long getCurrentSize() {
+    return currentSize;
+  }
+
   @Override
   public long getMaxSize() {
     return maxSize;