feat: Appear and Disappear animation now support lower API0.3

2 files changed, 20 insertions, 9 deletions

diff --git a/app/src/main/java/top/trumeet/snippet/aospanimation/AppearAnimationActivity.java b/app/src/main/java/top/trumeet/snippet/aospanimation/AppearAnimationActivity.java
index b110f68..f9dcca3 100644
--- a/app/src/main/java/top/trumeet/snippet/aospanimation/AppearAnimationActivity.java
+++ b/app/src/main/java/top/trumeet/snippet/aospanimation/AppearAnimationActivity.java
@@ -1,8 +1,9 @@
 package top.trumeet.snippet.aospanimation;
 
+import android.annotation.SuppressLint;
 import android.os.Bundle;
+import android.support.graphics.drawable.AnimationUtilsCompat;
 import android.view.View;
-import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 import android.widget.TableLayout;
 import android.widget.TableRow;
@@ -27,6 +28,7 @@ public class AppearAnimationActivity extends ViewAnimationActivity implements Ap
     private View icon_top;
     private TableLayout tableLayout;
 
+    @SuppressLint("RestrictedApi")
     @Override
     public void onCreate (Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -35,11 +37,11 @@ public class AppearAnimationActivity extends ViewAnimationActivity implements Ap
         tableLayout = findViewById(R.id.table);
         mAppearAnimationUtils = new AppearAnimationUtils(this,
                 AppearAnimationUtils.DEFAULT_APPEAR_DURATION, 2f /* translationScale */,
-                1.3f /* delayScale */, AnimationUtils.loadInterpolator(
+                1.3f /* delayScale */, AnimationUtilsCompat.loadInterpolator(
                 this, R.anim.linear_out_slow_in));
         mDisappearAnimationUtils = new DisappearAnimationUtils(this,
                 125, 4f /* translationScale */,
-                0.3f /* delayScale */, AnimationUtils.loadInterpolator(
+                0.3f /* delayScale */, AnimationUtilsCompat.loadInterpolator(
                 this, R.anim.fast_out_linear_in),
                 new AppearAnimationUtils.RowTranslationScaler() {
                     @Override
diff --git a/library/src/main/java/top/trumeet/snippet/aospanimation/library/animation/AppearAnimationUtils.java b/library/src/main/java/top/trumeet/snippet/aospanimation/library/animation/AppearAnimationUtils.java
index 75237a6..65fd246 100644
--- a/library/src/main/java/top/trumeet/snippet/aospanimation/library/animation/AppearAnimationUtils.java
+++ b/library/src/main/java/top/trumeet/snippet/aospanimation/library/animation/AppearAnimationUtils.java
@@ -19,7 +19,6 @@ package top.trumeet.snippet.aospanimation.library.animation;
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.view.RenderNodeAnimator;
 import android.view.View;
@@ -31,9 +30,8 @@ import top.trumeet.snippet.aospanimation.library.R;
 /**
  * A class to make nice appear transitions for views in a tabular layout.
  *
- * TODO: use non-hidden apis and support pre-lollipop roms
+ * TODO: use non-hidden apis
  */
-@TargetApi(21)
 public class AppearAnimationUtils implements AppearAnimationCreator<View> {
 
     public static final long DEFAULT_APPEAR_DURATION = 220;
@@ -181,6 +179,18 @@ public class AppearAnimationUtils implements AppearAnimationCreator<View> {
         return mStartTranslation;
     }
 
+    /**
+     * Returns RenderNodeAnimator is support in current ROM.
+     * @return Support
+     */
+    private static boolean isSupportRenderNodeAnimator () {
+        try {
+            return Class.forName("android.view.RenderNodeAnimator") != null;
+        } catch (ClassNotFoundException e) {
+            return false;
+        }
+    }
+
     @Override
     public void createAnimation(final View view, long delay, long duration, float translationY,
             boolean appearing, Interpolator interpolator, final Runnable endRunnable) {
@@ -189,8 +199,7 @@ public class AppearAnimationUtils implements AppearAnimationCreator<View> {
             view.setTranslationY(appearing ? translationY : 0);
             Animator alphaAnim;
             float targetAlpha =  appearing ? 1f : 0f;
-            if (view.isHardwareAccelerated()) {
-                // TODO: Use non-hidden and compat API
+            if (view.isHardwareAccelerated() && isSupportRenderNodeAnimator()) {
                 RenderNodeAnimator alphaAnimRt = new RenderNodeAnimator(RenderNodeAnimator.ALPHA,
                         targetAlpha);
                 alphaAnimRt.setTarget(view);
@@ -227,7 +236,7 @@ public class AppearAnimationUtils implements AppearAnimationCreator<View> {
     public static void startTranslationYAnimation(View view, long delay, long duration,
             float endTranslationY, Interpolator interpolator) {
         Animator translationAnim;
-        if (view.isHardwareAccelerated()) {
+        if (view.isHardwareAccelerated() && isSupportRenderNodeAnimator()) {
             RenderNodeAnimator translationAnimRt = new RenderNodeAnimator(
                     RenderNodeAnimator.TRANSLATION_Y, endTranslationY);
             translationAnimRt.setTarget(view);