时间,性别,选择器
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package com.sclgxt.timepicker.widget;
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.sclgxt.timepicker.R;
/**
* Created by Sclgxt @ 2016/5/28
*/
public class WheelViews extends LinearLayout {
private Map<String, Map<String, Object>> returndata;
public static String SELECTEDINDEX = "selectedIndex";
public static String ITEM = "item";
private OnDataChangeListener onDataChangeListener;
private int offset = 2;
public WheelViews(Context context) {
super(context);
init();
}
public WheelViews(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private interface OnWheelViewListener {
void onSelected(int selectedIndex, String item);
}
public interface OnDataChangeListener {
void onDataChange(Map<String, Map<String, Object>> data, String selectedkey);
}
public void setOnDataChangeListener(OnDataChangeListener onDataChangeListener) {
this.onDataChangeListener = onDataChangeListener;
}
public void setData(final Map<String, List<String>> data) {
if (data == null) {
return;
}
Set<String> keySet = data.keySet();
for (String key_keyset : keySet) {
final Map<String, Object> selectmap = new HashMap<>();
final String key = key_keyset + "";
WheelView wheelView = new WheelView(getContext());
this.addView(wheelView);
wheelView.setmPadding(5);
wheelView.setOffset(offset);
List<String> list = data.get(key_keyset);
wheelView.setItems(list);
wheelView.setSeletion(0);
selectmap.put(ITEM, list.get(0));
returndata.put(key, selectmap);
wheelView.setOnWheelViewListener(new OnWheelViewListener() {
@Override
public void onSelected(int selectedIndex, String item) {
selectmap.put(SELECTEDINDEX, selectedIndex);
selectmap.put(ITEM, item);
returndata.put(key, selectmap);
if (onDataChangeListener != null) {
onDataChangeListener.onDataChange(returndata, key);
}
}
});
LayoutParams layoutParams = (LayoutParams) wheelView.getLayoutParams();
layoutParams.width = 0;
layoutParams.weight = 1;
wheelView.setLayoutParams(layoutParams);
}
}
public void init() {
returndata = new HashMap<>();
}
class WheelView extends ScrollView {
public final String TAG = WheelView.class.getSimpleName();
private int selectColor = Color.parseColor("#26b14c");
private Context context;
private LinearLayout views;
public WheelView(Context context) {
super(context);
init(context);
}
public WheelView(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
}
public WheelView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context);
}
List<String> items;
public void setItems(List<String> list) {
if (null == items) {
items = new ArrayList<>();
}
items.clear();
items.addAll(list);
// 前面和后面补全
for (int i = 0; i < offset; i++) {
items.add(0, "");
items.add("");
}
initData();
}
public static final int OFF_SET_DEFAULT = 1;
int offset = OFF_SET_DEFAULT; // 偏移量(需要在最前面和最后面补全)
public void setOffset(int offset) {
this.offset = offset;
}
int displayItemCount; // 每页显示的数量
int selectedIndex = 1;
private void init(Context context) {
//去除滚不动再去滚动时出现的一个渐变色块
setOverScrollMode(View.OVER_SCROLL_NEVER);
this.context = context;
// Log.d(TAG, "parent: " + this.getParent());
this.setVerticalScrollBarEnabled(false);
views = new LinearLayout(context);
views.setOrientation(LinearLayout.VERTICAL);
this.addView(views);
scrollerTask = new Runnable() {
public void run() {
int newY = getScrollY();
if (initialY - newY == 0) { // stopped
final int remainder = initialY % itemHeight;
final int divided = initialY / itemHeight;
if (remainder == 0) {
selectedIndex = divided + offset;
onSeletedCallBack();
} else {
if (remainder > itemHeight / 2) {
WheelView.this.post(new Runnable() {
@Override
public void run() {
WheelView.this.smoothScrollTo(0, initialY - remainder + itemHeight);
selectedIndex = divided + offset + 1;
onSeletedCallBack();
}
});
} else {
WheelView.this.post(new Runnable() {
@Override
public void run() {
WheelView.this.smoothScrollTo(0, initialY - remainder);
selectedIndex = divided + offset;
onSeletedCallBack();
}
});
}
}
} else {
initialY = getScrollY();
WheelView.this.postDelayed(scrollerTask, newCheck);
}
}
};
}
int initialY;
Runnable scrollerTask;
int newCheck = 50;
public void startScrollerTask() {
initialY = getScrollY();
this.postDelayed(scrollerTask, newCheck);
}
private void initData() {
displayItemCount = offset * 2 + 1;
for (String item : items) {
views.addView(createView(item));
}
refreshItemView(0);
}
int itemHeight = 0;
int mTextSize = 20;
float mPadding = 12;
public void setmPadding(float mPadding) {
this.mPadding = mPadding;
}
public void setmTextSize(int mTextSize) {
this.mTextSize = mTextSize;
}
public void setSelectColor(int selectColor) {
this.selectColor = getResources().getColor(selectColor);
}
private TextView createView(String item) {
TextView tv = new TextView(context);
tv.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
tv.setSingleLine(true);
tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, mTextSize);
tv.setText(item);
tv.setGravity(Gravity.CENTER);
int padding = dip2px(mPadding);
tv.setPadding(padding, padding, padding, padding);
if (0 == itemHeight) {
itemHeight = getViewMeasuredHeight(tv);
// Log.d(TAG, "itemHeight: " + itemHeight);
views.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, itemHeight * displayItemCount));
LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) this.getLayoutParams();
this.setLayoutParams(new LinearLayout.LayoutParams(lp.width, itemHeight * displayItemCount));
}
return tv;
}
@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
super.onScrollChanged(l, t, oldl, oldt);
refreshItemView(t);
}
private void refreshItemView(int y) {
int position = y / itemHeight + offset;
int remainder = y % itemHeight;
int divided = y / itemHeight;
if (remainder == 0) {
position = divided + offset;
} else {
if (remainder > itemHeight / 2) {
position = divided + offset + 1;
}
}
int childSize = views.getChildCount();
for (int i = 0; i < childSize; i++) {
TextView itemView = (TextView) views.getChildAt(i);
if (null == itemView) {
return;
}
if (position == i) {
itemView.setTextColor(selectColor);
} else {
itemView.setTextColor(Color.parseColor("#bbbbbb"));
}
//-14241460
}
}
/**
* 获取选中区域的边界
*/
int[] selectedAreaBorder;
private int[] obtainSelectedAreaBorder() {
if (null == selectedAreaBorder) {
selectedAreaBorder = new int[2];
selectedAreaBorder[0] = itemHeight * offset;
selectedAreaBorder[1] = itemHeight * (offset + 1);
}
return selectedAreaBorder;
}
Paint paint;
int viewWidth;
@Override
public void setBackgroundDrawable(Drawable background) {
if (viewWidth == 0) {
viewWidth = ((Activity) context).getWindowManager().getDefaultDisplay().getWidth();
// Log.d(TAG, "viewWidth: " + viewWidth);
}
if (null == paint) {
paint = new Paint();
paint.setColor(getResources().getColor(R.color.c3));
paint.setStrokeWidth(getResources().getDimension(R.dimen.dimen_1dp));
}
background = new Drawable() {
@Override
public void draw(Canvas canvas) {
canvas.drawLine(0, obtainSelectedAreaBorder()[0], viewWidth, obtainSelectedAreaBorder()[0], paint);
canvas.drawLine(0, obtainSelectedAreaBorder()[1], viewWidth, obtainSelectedAreaBorder()[1], paint);
}
@Override
public void setAlpha(int alpha) {
}
@Override
public void setColorFilter(ColorFilter cf) {
}
@Override
public int getOpacity() {
return 0;
}
};
super.setBackgroundDrawable(background);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
// Log.d(TAG, "w: " + w + ", h: " + h + ", oldw: " + oldw + ", oldh: " + oldh);
viewWidth = w;
setBackgroundDrawable(null);
}
/**
* 选中回调
*/
private void onSeletedCallBack() {
if (null != onWheelViewListener) {
onWheelViewListener.onSelected(selectedIndex, items.get(selectedIndex));
}
}
public void setSeletion(int position) {
final int p = position;
selectedIndex = p + offset;
this.post(new Runnable() {
@Override
public void run() {
WheelView.this.smoothScrollTo(0, p * itemHeight);
}
});
}
@Override
public void fling(int velocityY) {
super.fling(velocityY / 3);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_UP) {
startScrollerTask();
}
return super.onTouchEvent(ev);
}
private OnWheelViewListener onWheelViewListener;
public void setOnWheelViewListener(OnWheelViewListener onWheelViewListener) {
this.onWheelViewListener = onWheelViewListener;
}
private int dip2px(float dpValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
private int getViewMeasuredHeight(View view) {
int width = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
view.measure(width, expandSpec);
return view.getMeasuredHeight();
}
}
public Map<String, Map<String, Object>> getReturndata() {
return returndata;
}
public void setOffset(int offset) {
if (offset == 0) {
return;
}
this.offset = offset;
}
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.sclgxt.timepicker.R;
/**
* Created by Sclgxt @ 2016/5/28
*/
public class WheelViews extends LinearLayout {
private Map<String, Map<String, Object>> returndata;
public static String SELECTEDINDEX = "selectedIndex";
public static String ITEM = "item";
private OnDataChangeListener onDataChangeListener;
private int offset = 2;
public WheelViews(Context context) {
super(context);
init();
}
public WheelViews(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private interface OnWheelViewListener {
void onSelected(int selectedIndex, String item);
}
public interface OnDataChangeListener {
void onDataChange(Map<String, Map<String, Object>> data, String selectedkey);
}
public void setOnDataChangeListener(OnDataChangeListener onDataChangeListener) {
this.onDataChangeListener = onDataChangeListener;
}
public void setData(final Map<String, List<String>> data) {
if (data == null) {
return;
}
Set<String> keySet = data.keySet();
for (String key_keyset : keySet) {
final Map<String, Object> selectmap = new HashMap<>();
final String key = key_keyset + "";
WheelView wheelView = new WheelView(getContext());
this.addView(wheelView);
wheelView.setmPadding(5);
wheelView.setOffset(offset);
List<String> list = data.get(key_keyset);
wheelView.setItems(list);
wheelView.setSeletion(0);
selectmap.put(ITEM, list.get(0));
returndata.put(key, selectmap);
wheelView.setOnWheelViewListener(new OnWheelViewListener() {
@Override
public void onSelected(int selectedIndex, String item) {
selectmap.put(SELECTEDINDEX, selectedIndex);
selectmap.put(ITEM, item);
returndata.put(key, selectmap);
if (onDataChangeListener != null) {
onDataChangeListener.onDataChange(returndata, key);
}
}
});
LayoutParams layoutParams = (LayoutParams) wheelView.getLayoutParams();
layoutParams.width = 0;
layoutParams.weight = 1;
wheelView.setLayoutParams(layoutParams);
}
}
public void init() {
returndata = new HashMap<>();
}
class WheelView extends ScrollView {
public final String TAG = WheelView.class.getSimpleName();
private int selectColor = Color.parseColor("#26b14c");
private Context context;
private LinearLayout views;
public WheelView(Context context) {
super(context);
init(context);
}
public WheelView(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
}
public WheelView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context);
}
List<String> items;
public void setItems(List<String> list) {
if (null == items) {
items = new ArrayList<>();
}
items.clear();
items.addAll(list);
// 前面和后面补全
for (int i = 0; i < offset; i++) {
items.add(0, "");
items.add("");
}
initData();
}
public static final int OFF_SET_DEFAULT = 1;
int offset = OFF_SET_DEFAULT; // 偏移量(需要在最前面和最后面补全)
public void setOffset(int offset) {
this.offset = offset;
}
int displayItemCount; // 每页显示的数量
int selectedIndex = 1;
private void init(Context context) {
//去除滚不动再去滚动时出现的一个渐变色块
setOverScrollMode(View.OVER_SCROLL_NEVER);
this.context = context;
// Log.d(TAG, "parent: " + this.getParent());
this.setVerticalScrollBarEnabled(false);
views = new LinearLayout(context);
views.setOrientation(LinearLayout.VERTICAL);
this.addView(views);
scrollerTask = new Runnable() {
public void run() {
int newY = getScrollY();
if (initialY - newY == 0) { // stopped
final int remainder = initialY % itemHeight;
final int divided = initialY / itemHeight;
if (remainder == 0) {
selectedIndex = divided + offset;
onSeletedCallBack();
} else {
if (remainder > itemHeight / 2) {
WheelView.this.post(new Runnable() {
@Override
public void run() {
WheelView.this.smoothScrollTo(0, initialY - remainder + itemHeight);
selectedIndex = divided + offset + 1;
onSeletedCallBack();
}
});
} else {
WheelView.this.post(new Runnable() {
@Override
public void run() {
WheelView.this.smoothScrollTo(0, initialY - remainder);
selectedIndex = divided + offset;
onSeletedCallBack();
}
});
}
}
} else {
initialY = getScrollY();
WheelView.this.postDelayed(scrollerTask, newCheck);
}
}
};
}
int initialY;
Runnable scrollerTask;
int newCheck = 50;
public void startScrollerTask() {
initialY = getScrollY();
this.postDelayed(scrollerTask, newCheck);
}
private void initData() {
displayItemCount = offset * 2 + 1;
for (String item : items) {
views.addView(createView(item));
}
refreshItemView(0);
}
int itemHeight = 0;
int mTextSize = 20;
float mPadding = 12;
public void setmPadding(float mPadding) {
this.mPadding = mPadding;
}
public void setmTextSize(int mTextSize) {
this.mTextSize = mTextSize;
}
public void setSelectColor(int selectColor) {
this.selectColor = getResources().getColor(selectColor);
}
private TextView createView(String item) {
TextView tv = new TextView(context);
tv.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
tv.setSingleLine(true);
tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, mTextSize);
tv.setText(item);
tv.setGravity(Gravity.CENTER);
int padding = dip2px(mPadding);
tv.setPadding(padding, padding, padding, padding);
if (0 == itemHeight) {
itemHeight = getViewMeasuredHeight(tv);
// Log.d(TAG, "itemHeight: " + itemHeight);
views.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, itemHeight * displayItemCount));
LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) this.getLayoutParams();
this.setLayoutParams(new LinearLayout.LayoutParams(lp.width, itemHeight * displayItemCount));
}
return tv;
}
@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
super.onScrollChanged(l, t, oldl, oldt);
refreshItemView(t);
}
private void refreshItemView(int y) {
int position = y / itemHeight + offset;
int remainder = y % itemHeight;
int divided = y / itemHeight;
if (remainder == 0) {
position = divided + offset;
} else {
if (remainder > itemHeight / 2) {
position = divided + offset + 1;
}
}
int childSize = views.getChildCount();
for (int i = 0; i < childSize; i++) {
TextView itemView = (TextView) views.getChildAt(i);
if (null == itemView) {
return;
}
if (position == i) {
itemView.setTextColor(selectColor);
} else {
itemView.setTextColor(Color.parseColor("#bbbbbb"));
}
//-14241460
}
}
/**
* 获取选中区域的边界
*/
int[] selectedAreaBorder;
private int[] obtainSelectedAreaBorder() {
if (null == selectedAreaBorder) {
selectedAreaBorder = new int[2];
selectedAreaBorder[0] = itemHeight * offset;
selectedAreaBorder[1] = itemHeight * (offset + 1);
}
return selectedAreaBorder;
}
Paint paint;
int viewWidth;
@Override
public void setBackgroundDrawable(Drawable background) {
if (viewWidth == 0) {
viewWidth = ((Activity) context).getWindowManager().getDefaultDisplay().getWidth();
// Log.d(TAG, "viewWidth: " + viewWidth);
}
if (null == paint) {
paint = new Paint();
paint.setColor(getResources().getColor(R.color.c3));
paint.setStrokeWidth(getResources().getDimension(R.dimen.dimen_1dp));
}
background = new Drawable() {
@Override
public void draw(Canvas canvas) {
canvas.drawLine(0, obtainSelectedAreaBorder()[0], viewWidth, obtainSelectedAreaBorder()[0], paint);
canvas.drawLine(0, obtainSelectedAreaBorder()[1], viewWidth, obtainSelectedAreaBorder()[1], paint);
}
@Override
public void setAlpha(int alpha) {
}
@Override
public void setColorFilter(ColorFilter cf) {
}
@Override
public int getOpacity() {
return 0;
}
};
super.setBackgroundDrawable(background);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
// Log.d(TAG, "w: " + w + ", h: " + h + ", oldw: " + oldw + ", oldh: " + oldh);
viewWidth = w;
setBackgroundDrawable(null);
}
/**
* 选中回调
*/
private void onSeletedCallBack() {
if (null != onWheelViewListener) {
onWheelViewListener.onSelected(selectedIndex, items.get(selectedIndex));
}
}
public void setSeletion(int position) {
final int p = position;
selectedIndex = p + offset;
this.post(new Runnable() {
@Override
public void run() {
WheelView.this.smoothScrollTo(0, p * itemHeight);
}
});
}
@Override
public void fling(int velocityY) {
super.fling(velocityY / 3);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_UP) {
startScrollerTask();
}
return super.onTouchEvent(ev);
}
private OnWheelViewListener onWheelViewListener;
public void setOnWheelViewListener(OnWheelViewListener onWheelViewListener) {
this.onWheelViewListener = onWheelViewListener;
}
private int dip2px(float dpValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
private int getViewMeasuredHeight(View view) {
int width = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
view.measure(width, expandSpec);
return view.getMeasuredHeight();
}
}
public Map<String, Map<String, Object>> getReturndata() {
return returndata;
}
public void setOffset(int offset) {
if (offset == 0) {
return;
}
this.offset = offset;
}
}
效果图
下载链接http://download.csdn.net/detail/sclgxt/9562583
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