添加动画插值器

app/src/main/java/com/ccb/arcselect/ui/ArcSelectActivity.java

@@ -14,6 +14,7 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
+import android.view.animation.DecelerateInterpolator;
 import android.widget.AbsListView;
 import android.widget.ImageView;
 import android.widget.TextView;
@@ -151,7 +152,7 @@ public class ArcSelectActivity extends AppCompatActivity {
 
     }
 
-
+    private DecelerateInterpolator decelerateInterpolator = new DecelerateInterpolator();
     /**
      * 移动指定索引到中心处 ， 只可以移动可见区域的内容
      * @param position
@@ -173,7 +174,7 @@ public class ArcSelectActivity extends AppCompatActivity {
                 + "\n当前居中控件距离顶部距离: " + childViewTop
                 + "\n当前居中控件的一半高度: " + childVhalf
                 + "\n滑动后再次移动距离: " + smoothDistance);
-        recyclerView.smoothScrollBy(0, smoothDistance,null,1000);
+        recyclerView.smoothScrollBy(0, smoothDistance,decelerateInterpolator);
         mAdapter.setSelectPosition(position);
         TUtils.show(ArcSelectActivity.this , "滑动后选中:" + mDatas.get(position));
     }

app/src/main/java/com/ccb/arcselect/ui/ArcSelectRotateActivity.java

@@ -15,6 +15,7 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
+import android.view.animation.DecelerateInterpolator;
 import android.widget.AbsListView;
 import android.widget.ImageView;
 import android.widget.RelativeLayout;
@@ -182,6 +183,7 @@ public class ArcSelectRotateActivity extends AppCompatActivity {
         translationYAnimator.start();
     }
 
+    private DecelerateInterpolator decelerateInterpolator = new DecelerateInterpolator();
     /**
      * 移动指定索引到中心处 ， 只可以移动可见区域的内容
      * @param position
@@ -203,7 +205,7 @@ public class ArcSelectRotateActivity extends AppCompatActivity {
                 + "\n当前居中控件距离顶部距离: " + childViewTop
                 + "\n当前居中控件的一半高度: " + childVhalf
                 + "\n滑动后再次移动距离: " + smoothDistance);
-        recyclerView.smoothScrollBy(0, smoothDistance,null,1000);
+        recyclerView.smoothScrollBy(0, smoothDistance,decelerateInterpolator);
         mAdapter.setSelectPosition(position);
         TUtils.show(ArcSelectRotateActivity.this , "滑动后选中:" + mDatas.get(position));
     }

app/src/main/java/com/ccb/arcselect/ui/AutoSelectActivity.java

@@ -13,6 +13,7 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
+import android.view.animation.DecelerateInterpolator;
 import android.widget.AbsListView;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -164,6 +165,7 @@ private TextView tv;
         });
     }
 
+    private DecelerateInterpolator decelerateInterpolator = new DecelerateInterpolator();
     /**
      * 移动指定索引到中心处 ， 只可以移动可见区域的内容
      * @param position
@@ -185,7 +187,7 @@ private TextView tv;
                 + "\n当前居中控件距离顶部距离: " + childViewTop
                 + "\n当前居中控件的一半高度: " + childVhalf
                 + "\n滑动后再次移动距离: " + smoothDistance);
-        recyclerView.smoothScrollBy(0, smoothDistance,null,500);
+        recyclerView.smoothScrollBy(0, smoothDistance,decelerateInterpolator);
         mAdapter.setSelectPosition(position);
 
         tv.setText("当前选中:" + mDatas.get(position));

app/src/main/java/com/ccb/arcselect/ui/HorizontalSelectActivity.java

@@ -9,6 +9,7 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
+import android.view.animation.DecelerateInterpolator;
 import android.widget.AbsListView;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -149,6 +150,7 @@ private final int CHILDVIEWSIZE = 100;
         });
     }
 
+    private DecelerateInterpolator decelerateInterpolator = new DecelerateInterpolator();
     /**
      * 移动指定索引到中心处 ， 只可以移动可见区域的内容
      * @param position
@@ -170,7 +172,7 @@ private final int CHILDVIEWSIZE = 100;
                 + "\n当前居中控件距离左部距离: " + childViewLeft
                 + "\n当前居中控件的一半高度: " + childVhalf
                 + "\n滑动后再次移动距离: " + smoothDistance);
-        recyclerView.smoothScrollBy(smoothDistance, 0,null,500);
+        recyclerView.smoothScrollBy(smoothDistance, 0,decelerateInterpolator);
         mAdapter.setSelectPosition(position);
 
         tv.setText("当前选中:" + mDatas.get(position));