支持添加和删除View

Author: LRH1993

app/src/main/java/com/example/lvruheng/autoflowlayout/AutoFlowLayout.java

@@ -59,11 +59,14 @@ public class AutoFlowLayout extends LinearLayout {
  * 记录选中的View
  */
  private View mSelectedView;
-
  /**
  *记录选中的View
  */
  private List<View> mCheckedViews = new ArrayList<>();
+ /**
+ * 记录展示的数量
+ */
+ private int mDisplayNumbers;
  public AutoFlowLayout(Context context) {
  super(context);
  }
@@ -293,6 +296,70 @@ public void setAllViews(List<View> views) {
  }
  addView(view);
  }
+ requestLayout();
+ }
+
+ /**
+ * 添加子view
+ * @param view
+ */
+ public void addView(View view) {
+ if (view != null) {
+ addView(view);
+ }
+ requestLayout();
+ }
+
+ /**
+ * 删除指定索引的view
+ * @param index true删除成功 false删除失败
+ * @return
+ */
+ public boolean deleteView(int index) {
+ if (mCurrentItemIndex != 0) {
+ mDisplayNumbers = mCurrentItemIndex/2;
+ if (index > mDisplayNumbers) {
+ return false;
+ } else {
+ removeViewAt(index);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * 删除最后一个view
+ * @return true删除成功 false删除失败
+ */
+ public boolean deleteView() {
+ if (mCurrentItemIndex != 0) {
+ mDisplayNumbers = mCurrentItemIndex/2;
+ removeViewAt(mDisplayNumbers);
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * 删除指定范围的所有view
+ * @param start 开始范围
+ * @param end 结束范围
+ * @return
+ */
+ public boolean deleteView(int start, int end) {
+ if (mCurrentItemIndex != 0) {
+ mDisplayNumbers = mCurrentItemIndex/2;
+ if (start < 0) {
+ start = 0;
+ }
+ if (end > mDisplayNumbers) {
+ end = mDisplayNumbers;
+ }
+ removeViews(start,end-start+1);
+ return true;
+ }
+ return false;
  }
 
  /**