【开源】DragAndDropBTWLayouts

DragAndDropBTWLayouts

• 项目地址： https://github.com/kunka/DragAndDropBTWLayouts
• 

使用说明：

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// test drag and transfer FrameLayout rootFrameLayout; LinearLayout topLL;        LinearLayout bottomLL; DraggableLinearLayoutTouchListener mTopDraggableLinearLayoutTouchListener; DraggableLinearLayoutTouchListener mBottomDraggableLinearLayoutTouchListener; // topLL --> bottomLL mTopDraggableLinearLayoutTouchListener = new DraggableLinearLayoutTouchListener(topLL, rootFrameLayout, bottomLL, new DraggableLinearLayoutTouchListener.TransferCallbacks() {         @Override         public boolean canTransfer(int position) {             return position != 0 && position != 1;         }         @Override         public int transferToPosition() {             return 2;         }         @Override         public void onTransfer(LinearLayout linearLayout, LinearLayout targetLinearLayout, int position, int toPosition) {             if (toPosition < targetLinearLayout.getChildCount()) {                 View view = targetLinearLayout.getChildAt(toPosition);                 view.setBackgroundResource(R.drawable.condition_invalid_bg);             }         }         @Override         public void onClick(LinearLayout linearLayout, View view, int position) {             if (position == 0) {                 if (linearLayout.getChildCount() > 2) {                     mTopDraggableLinearLayoutTouchListener.doTransferOnSimpleClick(linearLayout.getChildAt(2), 2);                 }             }         }     });     topLL.setOnTouchListener(mTopDraggableLinearLayoutTouchListener);     // bottomLL --> topLL     mBottomDraggableLinearLayoutTouchListener = new DraggableLinearLayoutTouchListener(bottomLL, rootFrameLayout, topLL, new DraggableLinearLayoutTouchListener.TransferCallbacks() {         @Override         public boolean canTransfer(int position) {             return position != 0 && position != 1;         }         @Override         public int transferToPosition() {             return 2;         }         @Override         public void onTransfer(LinearLayout linearLayout, LinearLayout targetLinearLayout, int position, int toPosition) {             if (toPosition < targetLinearLayout.getChildCount()) {                 View view = targetLinearLayout.getChildAt(toPosition);                 view.setBackgroundResource(R.drawable.condition_valid_bg);             }         }         @Override         public void onClick(LinearLayout linearLayout, View view, int position) {             if (position == 0) {                 if (linearLayout.getChildCount() > 2) {                     mBottomDraggableLinearLayoutTouchListener.doTransferOnSimpleClick(linearLayout.getChildAt(2), 2);                 }             }         }     });     bottomLL.setOnTouchListener(mBottomDraggableLinearLayoutTouchListener);