左右移动焦点优化 item选中放大效果

app/src/main/java/com/unionmed/unionmedtv/activity/DoctorActivity.java

@@ -104,7 +104,7 @@ public class DoctorActivity extends BaseActivity {
             }
         });
         recyclerView.setAdapter(doctorAdapter);
-        recyclerView.addItemDecoration(new LinearSpacingItemDecoration(DoctorActivity.this,24));
+        recyclerView.addItemDecoration(new LinearSpacingItemDecoration(DoctorActivity.this,14));
     }
     private Runnable searchRunnable = new Runnable() {
         @Override

app/src/main/java/com/unionmed/unionmedtv/activity/HospitalActivity.java

@@ -107,7 +107,7 @@ public class HospitalActivity extends BaseActivity {
             }
         });
         recyclerView.setAdapter(hospitalAdapter);
-        recyclerView.addItemDecoration(new LinearSpacingItemDecoration(HospitalActivity.this, 24));
+        recyclerView.addItemDecoration(new LinearSpacingItemDecoration(HospitalActivity.this, 14));
     }
 
     private Runnable searchRunnable = new Runnable() {

app/src/main/java/com/unionmed/unionmedtv/utils/LinearSpacingItemDecoration.java

@@ -1,6 +1,7 @@
 package com.unionmed.unionmedtv.utils;
 
 import android.content.Context;
+import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.view.View;
 
@@ -8,18 +9,19 @@ import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.blankj.utilcode.util.SizeUtils;
+import com.unionmed.unionmedtv.widgets.ImgConstraintLayout;
+
+import org.jetbrains.annotations.NotNull;
 
 public class  LinearSpacingItemDecoration extends RecyclerView.ItemDecoration {
 
     private int spacing;//间距padding
 
     public LinearSpacingItemDecoration(Context context, int spacings) {
-        //获取需要设置的间距值dp，这里不写死，调用时传过来
-//        spacing = context.getResources().getDimensionPixelSize(R.dimen.d10);
         spacing = SizeUtils.dp2px(spacings);
-//        spacing = spacings;
     }
 
+
     @Override
     public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
         super.getItemOffsets(outRect, view, parent, state);
@@ -29,4 +31,35 @@ public class  LinearSpacingItemDecoration extends RecyclerView.ItemDecoration {
         outRect.bottom = spacing;//设置bottom padding
     }
 
+    @Override
+    public void onDraw(@NonNull @NotNull Canvas c, @NonNull @NotNull RecyclerView parent, @NonNull @NotNull RecyclerView.State state) {
+        super.onDraw(c, parent, state);
+        for (int i = 0; i < parent.getChildCount(); i++) {
+            View child = parent.getChildAt(i);
+            if(child instanceof ImgConstraintLayout) {
+                boolean isSelected = ((ImgConstraintLayout) child).isFocus();
+                if (isSelected) {
+                    // 计算缩放比例
+                    float scale = 1.05f;
+                    // 设置缩放pivot点
+                    child.setPivotX(child.getWidth() / 2);
+                    child.setPivotY(child.getHeight() / 2);
+
+                    // 进行缩放
+                    child.setScaleX(scale);
+                    child.setScaleY(scale);
+                }else {
+                    // 计算缩放比例
+                    float scale = 1;
+                    // 设置缩放pivot点
+                    child.setPivotX(child.getWidth() / 2);
+                    child.setPivotY(child.getHeight() / 2);
+
+                    // 进行缩放
+                    child.setScaleX(scale);
+                    child.setScaleY(scale);
+                }
+            }
+        }
+    }
 }

app/src/main/java/com/unionmed/unionmedtv/utils/MyGridLayoutManager.java

@@ -7,6 +7,8 @@ import android.view.View;
 
 import androidx.recyclerview.widget.GridLayoutManager;
 
+import java.util.logging.Handler;
+
 /**
  * NAME：YONG_
  * Created at: 2019/4/30
@@ -57,6 +59,9 @@ public class MyGridLayoutManager extends GridLayoutManager {
                     int nextRowFirstPosition1 = currentPosition + getSpanCount();
                     scrollToPosition(nextRowFirstPosition1);
                     return findViewByPosition(nextRowFirstPosition1);
+                }else if(currentPosition + getSpanCount()>lastVisiblePosition){
+                    scrollToPosition(lastVisiblePosition);
+                    return findViewByPosition(lastVisiblePosition);
                 }
                 break;
             case View.FOCUS_UP:

app/src/main/java/com/unionmed/unionmedtv/widgets/ImgConstraintLayout.java

@@ -17,6 +17,15 @@ public class ImgConstraintLayout extends ConstraintLayout implements View.OnFocu
 
 
     private ValueAnimator valueAnimator;
+    private boolean focus=false;
+
+    public boolean isFocus() {
+        return focus;
+    }
+
+    public void setFocus(boolean focus) {
+        this.focus = focus;
+    }
 
     public ImgConstraintLayout(Context context) {
         this(context, null);
@@ -39,11 +48,24 @@ public class ImgConstraintLayout extends ConstraintLayout implements View.OnFocu
 
     @Override
     public void onFocusChange(View v, boolean hasFocus) {
+        focus=hasFocus;
         if (v != null) {
             if (hasFocus) {
                 Log.e("dch", "onFocusChange: " );
+                setPivotX(getWidth() / 2);
+                setPivotY(getHeight() / 2);
+
+                // 进行缩放
+                setScaleX(1.05f);
+                setScaleY(1.05f);
                 move(v.findViewById(R.id.light));
             } else {
+                setPivotX(getWidth() / 2);
+                setPivotY(getHeight() / 2);
+
+                // 进行缩放
+                setScaleX(1f);
+                setScaleY(1f);
                 remove();
             }
         }

app/src/main/res/layout/activity_hospital.xml

@@ -61,7 +61,7 @@
         android:id="@+id/recyclerView"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_marginLeft="93dp"
+        android:layout_marginLeft="59dp"
         android:layout_marginRight="47dp"
         android:layout_marginTop="29dp"
         android:clipChildren="false"

app/src/main/res/layout/fragment_my_doctor.xml

@@ -24,8 +24,7 @@
                 style="@style/FocusStyle"
                 android:layout_width="0dp"
                 android:layout_height="190dp"
-                android:layout_marginTop="20dp"
-                android:layout_marginRight="20dp"
+                android:layout_margin="10dp"
                 android:nextFocusLeft="@null"
                 android:layout_weight="1">
 
@@ -69,7 +68,7 @@
                 style="@style/FocusStyle"
                 android:layout_width="0dp"
                 android:layout_height="190dp"
-                android:layout_marginTop="20dp"
+                android:layout_margin="10dp"
                 android:nextFocusRight="@null"
                 android:layout_weight="1">
 

app/src/main/res/layout/item_load_more_layout.xml

@@ -3,6 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     style="@style/FocusStyle"
+    android:layout_margin="@dimen/dp_10"
     android:layout_width="170dp"
     android:layout_height="232dp"
     android:background="@drawable/shape_corners10_color_1b4765">

app/src/main/res/layout/item_load_more_layout1.xml

@@ -3,6 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     style="@style/FocusStyle"
+    android:layout_margin="10dp"
     android:layout_width="396dp"
     android:layout_height="222dp"
     android:background="@drawable/shape_corners10_color_1b4765">

app/src/main/res/layout/item_type_doctor_layout.xml

@@ -3,6 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     style="@style/FocusStyle"
+    android:layout_margin="@dimen/dp_10"
     android:layout_width="170dp"
     android:layout_height="232dp"
     android:background="@drawable/shape_corners10_color_1b4765">

app/src/main/res/layout/item_type_hospital_layout.xml

@@ -3,6 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     style="@style/FocusStyle"
+    android:layout_margin="10dp"
     android:layout_width="396dp"
     android:layout_height="222dp"
     android:background="@drawable/shape_corners10_color_1b4765">