lib update

AdapterLibrary/src/main/java/com/sum/lib/rvadapter/manager/FullGridViewManager.java

@@ -5,7 +5,6 @@
 import android.support.v7.widget.RecyclerView;
 import android.util.AttributeSet;
 import android.view.View;
-import android.view.ViewGroup;
 
 /**
  * Created by sdl on 15/11/27.
@@ -23,79 +22,9 @@ public FullGridViewManager(Context context, int spanCount) {
  public FullGridViewManager(Context context, int spanCount, int orientation, boolean reverseLayout) {
  super(context, spanCount, orientation, reverseLayout);
  }
-
- private int[] mMeasuredDimension = new int[2];
-
  @Override
  public void onMeasure(RecyclerView.Recycler recycler, RecyclerView.State state, int widthSpec, int heightSpec) {
- final int widthMode = View.MeasureSpec.getMode(widthSpec);
- final int heightMode = View.MeasureSpec.getMode(heightSpec);
- final int widthSize = View.MeasureSpec.getSize(widthSpec);
- final int heightSize = View.MeasureSpec.getSize(heightSpec);
-
- int width = 0;
- int height = 0;
- int count = getItemCount();
- int span = getSpanCount();
- for (int i = 0; i < count; i++) {
- measureScrapChild(recycler, i,
- View.MeasureSpec.makeMeasureSpec(i, View.MeasureSpec.UNSPECIFIED),
- View.MeasureSpec.makeMeasureSpec(i, View.MeasureSpec.UNSPECIFIED),
- mMeasuredDimension);
-
- if (getOrientation() == HORIZONTAL) {
- if (i % span == 0) {
- width = width + mMeasuredDimension[0];
- }
- if (i == 0) {
- height = mMeasuredDimension[1];
- }
- } else {
- if (i % span == 0) {
- height = height + mMeasuredDimension[1];
- }
- if (i == 0) {
- width = mMeasuredDimension[0];
- }
- }
- }
- switch (widthMode) {
- case View.MeasureSpec.EXACTLY:
- width = widthSize;
- case View.MeasureSpec.AT_MOST:
- case View.MeasureSpec.UNSPECIFIED:
- }
-
- switch (heightMode) {
- case View.MeasureSpec.EXACTLY:
- height = heightSize;
- case View.MeasureSpec.AT_MOST:
- case View.MeasureSpec.UNSPECIFIED:
- }
- setMeasuredDimension(width, height);
- }
-
- private void measureScrapChild(RecyclerView.Recycler recycler, int position, int widthSpec,
- int heightSpec, int[] measuredDimension) {
- if (position < getItemCount()) {
- try {
- View view = recycler.getViewForPosition(0);//fix 动态添加时报IndexOutOfBoundsException
- if (view != null) {
- RecyclerView.LayoutParams p = (RecyclerView.LayoutParams) view.getLayoutParams();
- int childWidthSpec = ViewGroup.getChildMeasureSpec(widthSpec,
- getPaddingLeft() + getPaddingRight(), p.width);
- int childHeightSpec = ViewGroup.getChildMeasureSpec(heightSpec,
- getPaddingTop() + getPaddingBottom(), p.height);
- view.measure(childWidthSpec, childHeightSpec);
- measuredDimension[0] = view.getMeasuredWidth() + p.leftMargin + p.rightMargin;
- measuredDimension[1] = view.getMeasuredHeight() + p.bottomMargin + p.topMargin;
- recycler.recycleView(view);
- }
- } catch (IndexOutOfBoundsException e) {
-// Log.e("FullGridViewManager", "measureScrapChild recycler get view error ");
- } catch (Exception e) {
-// e.printStackTrace();
- }
- }
+ int expandSpec = View.MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, View.MeasureSpec.AT_MOST);
+ super.onMeasure(recycler, state, widthSpec, expandSpec);
  }
 }

README.md

@@ -15,7 +15,7 @@ Step 1. 在build.config文件添加远程库地址
 Step 2. 添加远程库依赖
 
  dependencies {
-  implementation 'com.github.Sum-sdl:RvAdapter:1.0.4'
+  implementation 'com.github.Sum-sdl:RvAdapter:1.0.5'
  }
 
 

smaple/src/main/java/com/sum/rvadapter/SimpleActivity.kt

@@ -15,6 +15,8 @@ class SimpleActivity : AppCompatActivity() {
 
  val adapter = RecyclerAdapter<RecyclerDataHolder<*>>()
 // rv_simple.layoutManager = LinearLayoutManager(this)
+ //高度自动计算的布局用来代替部分一次性展示场景
+ //性能优化，最费时的是view实例化过程
  rv_simple.layoutManager = FullGridViewManager(this, 1)
  rv_simple.adapter = adapter
  rv_simple.isNestedScrollingEnabled = false