效果图
1600933835379.gif
MainActivity布局
MainActivity
@BindView(R.id.m_connect)
ConnectingView mConnect;
@BindView(R.id.m_ok)
Button mOk;
@BindView(R.id.m_reset)
Button mReset;
private List mLeftDataList = new ArrayList<>();
private List mRightDataList = new ArrayList<>();
private ConnectAdapter mConnectAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
mLeftDataList.add(new ConnectListBean(1, "晴朗的", 1, 2));
mLeftDataList.add(new ConnectListBean(2, "天真的", 2, 5));
mLeftDataList.add(new ConnectListBean(3, "鲜艳的", 3, 1));
mLeftDataList.add(new ConnectListBean(4, "勇敢的", 4, 3));
mLeftDataList.add(new ConnectListBean(5, "绿色的", 5, 4));
mRightDataList.add(new ConnectListBean(1, "花朵", 3, 1));
mRightDataList.add(new ConnectListBean(2, "天空", 1, 2));
mRightDataList.add(new ConnectListBean(3, "哨兵", 4, 3));
mRightDataList.add(new ConnectListBean(4, "翠鸟", 5, 4));
mRightDataList.add(new ConnectListBean(5, "孩子", 2, 5));
showData();
}
private void showData() {
mConnectAdapter = new ConnectAdapter(MainActivity.this, mLeftDataList, mRightDataList, R.layout.item_conn_left, R.layout.item_conn_right) {
@Override
public void leftConvert(ConnectViewHolder holder, ConnectListBean item, int position, boolean isSelect, boolean isVerify, boolean isRight) {
SuperTextView view = holder.getView(R.id.m_text);
view.setText(item.getTitle());
view.setTextColor(isSelect || isVerify ? 0xffffffff : 0xff333333);
view.setSolid(isVerify ? isRight ? 0xff008000 : 0xffFF0000 : isSelect ? 0xff5075FC : 0xfff9f9f9);
}
@Override
public void rightConvert(ConnectViewHolder holder, ConnectListBean item, int position, boolean isSelect, boolean isVerify, boolean isRight) {
SuperTextView view = holder.getView(R.id.m_text);
view.setText(item.getTitle());
view.setTextColor(isSelect || isVerify ? 0xffffffff : 0xff333333);
view.setSolid(isVerify ? isRight ? 0xff008000 : 0xffFF0000 : isSelect ? 0xff5075FC : 0xfff9f9f9);
}
@Override
public boolean verifyAnswer(ConnectListBean leftItem, ConnectListBean rightItem, int leftPosion, int rightPosition) {
return leftItem.getRightId() == rightItem.getId();
}
};
mConnect.setAdapter(mConnectAdapter);
mConnect.setAutoVerifyAnswer(false).setOnVerifyAnswer(rightNum -> {
Toast.makeText(this, "正确数量："+rightNum, Toast.LENGTH_SHORT).show();
});
}
@OnClick({R.id.m_ok, R.id.m_reset})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.m_ok:
mConnect.verifyAnswer();//验算正确答案
break;
case R.id.m_reset:
mConnect.reset();//重置
break;
}
}
ConnectListBean
public class ConnectListBean {
private int id;//题目id
private String title;//题目文字
private int leftId;//左侧对应id
private int rightId;//右侧对应id
public ConnectListBean(int id, String title, int leftId, int rightId) {
this.id = id;
this.title = title;
this.leftId = leftId;
this.rightId = rightId;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public int getLeftId() {
return leftId;
}
public void setLeftId(int leftId) {
this.leftId = leftId;
}
public int getRightId() {
return rightId;
}
public void setRightId(int rightId) {
this.rightId = rightId;
}
}
item布局
注意：具体内容一定要垂直居中显示
ConnectingView
public class ConnectingView extends RelativeLayout {
private Context mContext;
private ConnectAdapter mAdapter;
private List mLeftViewList = new ArrayList<>();
private List mRightViewlist = new ArrayList<>();
private Map mLineMap = new HashMap();
private Map mDoneLineMap = new HashMap<>();
private Map mSelectMap = new HashMap<>();
private boolean mIsAutoVerifyAnswer = true;
private int mRightNum;
private OnVerifyAnswer mOnVerifyAnswer;
private int COLOR_NOMAL = 0xff666666;
private int COLOR_RIGHT = 0xff008000;
private int COLOR_ERROR = 0xffFF0000;
private int mNomalColor;
private int mRightColor;
private int mErrorColor;
private boolean mIsFinsh = false;
public ConnectingView(Context context) {
this(context, null);
}
public ConnectingView(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.ConnectingView);
mNomalColor = ta.getColor(R.styleable.ConnectingView_nomal_color, COLOR_NOMAL);
mRightColor = ta.getColor(R.styleable.ConnectingView_right_color, COLOR_RIGHT);
mErrorColor = ta.getColor(R.styleable.ConnectingView_error_color, COLOR_ERROR);
mContext = context;
}
int mTopMargin = 0 ;
public void setAdapter(ConnectAdapter adapter){
mAdapter = adapter;
mTopMargin = 0 ;
for (int i = 0; i < adapter.getCount(); i++) {
LayoutParams ll = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
View view = adapter.getLeftView( i, null,false ,false, false);
ll.topMargin = mTopMargin;
int width = MeasureSpec.makeMeasureSpec(0,
MeasureSpec.UNSPECIFIED);
int height = MeasureSpec.makeMeasureSpec(0,
MeasureSpec.UNSPECIFIED);
view.measure(width, height);
mTopMargin+= view.getMeasuredHeight();
view.setLayoutParams(ll);
mLeftViewList.add(view);
addView(view);
}
mTopMargin = 0 ;
for (int i = 0; i < adapter.getCount(); i++) {
LayoutParams ll = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
View view = adapter.getRightView( i, null,false, false, false);
ll.topMargin = mTopMargin;
ll.addRule(ALIGN_PARENT_RIGHT);
int width = MeasureSpec.makeMeasureSpec(0,
MeasureSpec.UNSPECIFIED);
int height = MeasureSpec.makeMeasureSpec(0,
MeasureSpec.UNSPECIFIED);
view.measure(width, height);
mTopMargin+= view.getMeasuredHeight();
view.setLayoutParams(ll);
mRightViewlist.add(view);
addView(view);
}
setOnClick();
}
private View mLeftSelectView, mRightSelectView;
private int mLeftPosition = -1, mRightPosition = -1;
private void setOnClick() {
for (int i = 0; i < mLeftViewList.size(); i++) {
View view = mLeftViewList.get(i);
int finalI = i;
view.setOnClickListener(v -> {
if (mIsFinsh)return;
if (mRightSelectView != null){
mLeftPosition = finalI;
mLeftSelectView = v;
drawLine();
}else{
if (mLeftPosition != -1){
mAdapter.getLeftView( mLeftPosition, mLeftSelectView,false, false, false);
}
mLeftPosition = finalI;
mLeftSelectView = v;
mAdapter.getLeftView( mLeftPosition, mLeftSelectView,true, false,false);
}
});
}
for (int i = 0; i < mRightViewlist.size(); i++) {
View view = mRightViewlist.get(i);
int finalI = i;
view.setOnClickListener(v -> {
if (mIsFinsh)return;
if (mLeftSelectView != null){
mRightPosition = finalI;
mRightSelectView = v;
drawLine();
}else{
if (mRightPosition != -1){
mAdapter.getRightView( mRightPosition, mRightSelectView,false, false, false);
}
mRightPosition = finalI;
mRightSelectView = v;
mAdapter.getRightView( mRightPosition, mRightSelectView,true, false, false);
}
});
}
}
private void drawLine() {
ConnectBean bean = new ConnectBean();
bean.setPosition(mLeftPosition);
bean.setStartX(mLeftSelectView.getWidth()+ dp2px( 5));
bean.setStartY(mLeftSelectView.getTop() + mLeftSelectView.getHeight()/2);
bean.setEndX(mRightSelectView.getLeft() - dp2px(5));
bean.setEndY(mRightSelectView.getTop()+ mRightSelectView.getHeight()/2);
if (mDoneLineMap.get(mLeftSelectView) != null){
mLineMap.remove(mDoneLineMap.get(mLeftSelectView));
mDoneLineMap.remove(mLeftSelectView);
}
if (mDoneLineMap.get(mRightSelectView) != null){
mLineMap.remove(mDoneLineMap.get(mRightSelectView));
mDoneLineMap.remove(mRightSelectView);
}
mLineMap.put(mLeftSelectView + ""+ mRightSelectView, bean);
mDoneLineMap.put(mLeftSelectView , mLeftSelectView + ""+ mRightSelectView);
mDoneLineMap.put(mRightSelectView, mLeftSelectView + ""+ mRightSelectView);
mAdapter.getLeftView( mLeftPosition, mLeftSelectView,false, false, false);
mAdapter.getRightView(mRightPosition, mRightSelectView,false,false, false);
mSelectMap.put(mLeftPosition, mRightPosition);
mLeftSelectView = null;
mRightSelectView = null;
mLeftPosition = -1;
mRightPosition = -1;
invalidate();
if (mLineMap.size() == mAdapter.getCount() && mIsAutoVerifyAnswer){
mRightNum = 0;
for (int i = 0; i < mAdapter.getCount(); i++) {
for (String index : mLineMap.keySet()){
if ( i == mLineMap.get(index).getPosition()){
boolean bool = mAdapter.verifyAnswer(mAdapter.getLeftList().get(i), mAdapter.getRightList().get(mSelectMap.get(i)), i, mSelectMap.get(i));
mAdapter.getLeftView(i, mLeftViewList.get(i), false,true, bool);
mAdapter.getRightView(i, mRightViewlist.get(mSelectMap.get(i)), false,true, bool);
mRightNum = bool ? mRightNum +1 : mRightNum;
mLineMap.get(index).setVerify(true);
mLineMap.get(index).setRight(bool);
}
}
}
mIsFinsh = true;
invalidate();
}
}
@Override
protected void dispatchDraw(Canvas canvas) {
super.dispatchDraw(canvas);
for (ConnectBean bean : mLineMap.values()){
canvas.save();
Paint paint = new Paint();
paint.setColor(bean.isVerify() ? bean.isRight() ? mRightColor : mErrorColor : mNomalColor);
paint.setStrokeWidth(dp2px(2));
paint.setAntiAlias(true);
canvas.drawLine(bean.getStartX(), bean.getStartY(), bean.getEndX(), bean.getEndY(), paint);
canvas.restore();
}
}
public ConnectingView setAutoVerifyAnswer(boolean bool){
mIsAutoVerifyAnswer = bool;
return this;
}
public ConnectingView verifyAnswer(){
if (mSelectMap.size() != mAdapter.getCount()){
mRightNum = -1;
}else{
mRightNum = 0;
for (int i = 0; i < mAdapter.getCount(); i++) {
for (String index : mLineMap.keySet()){
if ( i == mLineMap.get(index).getPosition()){
boolean bool = mAdapter.verifyAnswer(mAdapter.getLeftList().get(i), mAdapter.getRightList().get(mSelectMap.get(i)), i, mSelectMap.get(i));
mAdapter.getLeftView(i, mLeftViewList.get(i), false,true, bool);
mAdapter.getRightView(i, mRightViewlist.get(mSelectMap.get(i)), false,true, bool);
mRightNum = bool ? mRightNum +1 : mRightNum;
mLineMap.get(index).setVerify(true);
mLineMap.get(index).setRight(bool);
}
}
}
mIsFinsh = true;
invalidate();
}
if (mOnVerifyAnswer != null){
mOnVerifyAnswer.onVerifyAnswer(mRightNum);
}
return this;
}
public ConnectingView setOnVerifyAnswer(OnVerifyAnswer onVerifyAnswer){
mOnVerifyAnswer = onVerifyAnswer;
return this;
}
public interface OnVerifyAnswer{
void onVerifyAnswer(int rightNum);
}
public void reset(){
mIsFinsh = false;
mSelectMap.clear();
mLineMap.clear();
mDoneLineMap.clear();
for (int i = 0; i < mLeftViewList.size(); i++) {
mAdapter.getLeftView(i, mLeftViewList.get(i), false,false, false);
}
for (int i = 0; i < mRightViewlist.size(); i++) {
mAdapter.getRightView(i, mRightViewlist.get(i), false,false, false);
}
invalidate();
}
public int dp2px(float dp) {
final float scale = mContext.getResources().getDisplayMetrics().density;
return (int) (dp * scale + 0.5f);
}
}
ConnectAdapter
public abstract class ConnectAdapter {
private List mLeftList;
private List mRightList;
private int mItemLeftLoayoutId, mItemRightLoayoutId;
private Context mContext;
protected ConnectAdapter(Context context, List leftlist, List rightList, int itemLeftLayoutId, int itemRightLayoutId){
mContext = context;
if (leftlist.size() != rightList.size()){
new Thread("左右两侧数据数量不一致");
}
mLeftList = leftlist;
mRightList = rightList;
mItemLeftLoayoutId = itemLeftLayoutId;
mItemRightLoayoutId = itemRightLayoutId;
}
public View getLeftView(int position, View view, boolean isSelect, boolean isVerify, boolean isRight){
if (view == null){
view = LayoutInflater.from(mContext).inflate(mItemLeftLoayoutId, null);
view.setTag(new ConnectViewHolder(view));
}
ConnectViewHolder viewHolder = (ConnectViewHolder) view.getTag();
leftConvert(viewHolder, (T) mLeftList.get(position), position, isSelect, isVerify, isRight);
return view;
}
public View getRightView(int position, View view, boolean isSelect, boolean isVerify, boolean isRight){
if (view == null){
view = LayoutInflater.from(mContext).inflate(mItemRightLoayoutId, null);
view.setTag(new ConnectViewHolder(view));
}
ConnectViewHolder viewHolder = (ConnectViewHolder) view.getTag();
rightConvert(viewHolder, (T) mRightList.get(position), position, isSelect, isVerify, isRight);
return view;
}
public int getCount(){
return mLeftList.size();
}
public List getLeftList() {
return mLeftList;
}
public List getRightList(){
return mRightList;
}
public T getItem(int position){
return (T) mLeftList.get(position);
}
public abstract void leftConvert(ConnectViewHolder holder, T item, int position, boolean isSelect, boolean isVerify, boolean isRight);//isSelect:当前是否被选中；isVerify：是否被验证过；isRight:验证后，是否正确
public abstract void rightConvert(ConnectViewHolder holder, T item, int position, boolean isSelect, boolean isVerify, boolean isRight);
public abstract boolean verifyAnswer(T leftItem, T rightItem, int leftPosion, int rightPosition);//角标以左侧为准
}
ConnectViewHolder
public class ConnectViewHolder {
private final SparseArray mViews;
private View mConvertView;
ConnectViewHolder(View convertView) {
this.mViews = new SparseArray();
mConvertView = convertView;
}
/**
* 通过控件的Id获取对于的控件，如果没有则加入views
*
* @param viewId
* @return
*/
public T getView(int viewId) {
View view = mViews.get(viewId);
if (view == null) {
view = mConvertView.findViewById(viewId);
mViews.put(viewId, view);
}
return (T) view;
}
public View setText(int viewId, String text) {
TextView view = getView(viewId);
view.setText(text);
return view;
}
public View setText(int viewId, Spanned text) {
TextView view = getView(viewId);
view.setText(text);
return view;
}
}
源码地址
https://gitee.com/zuozuo_zhy/connecting-view.git