[Build] Moved back to Java 8 source and target compatibility

PiperOrigin-RevId: 739934297

Author: hunterstich

build.gradle

@@ -127,8 +127,8 @@ subprojects {
         // This disables the builds tools automatic vector -> PNG generation
         defaultConfig.generatedDensities = []
 
-        compileOptions.sourceCompatibility JavaVersion.VERSION_17
-        compileOptions.targetCompatibility JavaVersion.VERSION_17
+        compileOptions.sourceCompatibility JavaVersion.VERSION_1_8
+        compileOptions.targetCompatibility JavaVersion.VERSION_1_8
 
         aaptOptions.additionalParameters "--no-version-vectors"
 

catalog/build.gradle

@@ -143,8 +143,8 @@ android {
   }
 
   compileOptions {
-    sourceCompatibility JavaVersion.VERSION_17
-    targetCompatibility JavaVersion.VERSION_17
+    sourceCompatibility JavaVersion.VERSION_1_8
+    targetCompatibility JavaVersion.VERSION_1_8
   }
   androidResources {
     additionalParameters '--no-version-vectors'

lib/java/com/google/android/material/floatingactionbutton/FloatingActionButtonImpl.java

@@ -215,8 +215,9 @@ void setMinTouchTargetSize(int minTouchTargetSize) {
   }
 
   void setRippleColor(@Nullable ColorStateList rippleColor) {
-    if (rippleDrawable instanceof RippleDrawable rippleDrawable) {
-      rippleDrawable.setColor(RippleUtils.sanitizeRippleDrawableColor(rippleColor));
+    if (rippleDrawable instanceof RippleDrawable) {
+      ((RippleDrawable) rippleDrawable).setColor(
+          RippleUtils.sanitizeRippleDrawableColor(rippleColor));
     } else if (rippleDrawable != null) {
       rippleDrawable.setTintList(RippleUtils.sanitizeRippleDrawableColor(rippleColor));
     }
@@ -299,8 +300,8 @@ final void setShapeAppearance(@NonNull ShapeAppearanceModel shapeAppearance) {
       shapeDrawable.setShapeAppearanceModel(shapeAppearance);
     }
 
-    if (rippleDrawable instanceof Shapeable shapeable) {
-      shapeable.setShapeAppearanceModel(shapeAppearance);
+    if (rippleDrawable instanceof Shapeable) {
+      ((Shapeable) rippleDrawable).setShapeAppearanceModel(shapeAppearance);
     }
 
     if (borderDrawable != null) {

tests/build.gradle

@@ -34,7 +34,7 @@ android {
   }
 
   compileOptions {
-    sourceCompatibility JavaVersion.VERSION_17
-    targetCompatibility JavaVersion.VERSION_17
+    sourceCompatibility JavaVersion.VERSION_1_8
+    targetCompatibility JavaVersion.VERSION_1_8
   }
 }