安卓两种方式实现多组合按钮
1.多组合按钮（不能拖动，只能点击）public class TwoButtonSelectView extends View {private Paint textPaint;private boolean isselect = true;private Paint bgPaint;private boolean isClickable;private boolean isMove;privat
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1.多组合按钮（不能拖动，只能点击）
public class TwoButtonSelectView extends View {
private Paint textPaint;
private boolean isselect = true;
private Paint bgPaint;
private boolean isClickable;
private boolean isMove;
private onButtonSelectListener onButtonSelectListener;
private float cy, cx1, cx2;
private String text1 = "";
private String text2 = "";
private float textSize;
private int selectid = 1;
private float width, height;
private int mbgColor;
private int mbgSelectColor;
private Context context;
public TwoButtonSelectView(Context context) {
this(context, null);
}
public TwoButtonSelectView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public TwoButtonSelectView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initData(context, attrs);
initView();
}
private void initData(Context context, AttributeSet attrs) {
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TwoSlideSelectButton);
text1 = a.getString(R.styleable.TwoSlideSelectButton_text1);
text2 = a.getString(R.styleable.TwoSlideSelectButton_text2);
textSize = a.getDimension(R.styleable.TwoSlideSelectButton_textSize, 35);
mbgColor = a.getColor(R.styleable.TwoSlideSelectButton_backgroundcolor, context.getColor(R.color.niu_noselect));
mbgSelectColor = a.getColor(R.styleable.TwoSlideSelectButton_selectbackgroundcolor, context.getColor(R.color.niu_select_blue));
this.context = context;
a.recycle();
}
private void initView() {
textPaint = new Paint();
textPaint.setTextSize(textSize);
textPaint.setAntiAlias(true);
bgPaint = new Paint();
bgPaint.setAntiAlias(true);
}
public void setSelectid(int selectid) {
this.selectid = selectid;
invalidate();
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
width = measureWidth(widthMeasureSpec);
height = measureHeight(heightMeasureSpec);
setMeasuredDimension((int) width, (int) height);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
cx1 = width / 4 - (textPaint.measureText(text1) / 2);
Log.d("OOO", "width=" + width + "--height=" + height);
cx2 = (width * 3) / 4 - (textPaint.measureText(text2) / 2);
Paint.FontMetrics fontMetrics = textPaint.getFontMetrics();
float fontHeight = fontMetrics.bottom - fontMetrics.top;
cy = height - (height - fontHeight) / 2 - fontMetrics.bottom;
bgPaint.setStyle(Paint.Style.FILL);
bgPaint.setColor(mbgColor);
RectF oval = new RectF(0, 0, width, height);
canvas.drawRoundRect(oval, height/2, height/2, bgPaint);
switch (selectid) {
case 0:
textPaint.setColor(context.getColor(R.color.niu_noselect_text));
canvas.drawText(text1, cx1, cy, textPaint);
canvas.drawText(text2, cx2, cy, textPaint);
break;
case 1:
bgPaint.setColor(context.getColor(R.color.niu_select_blue));
RectF oval1 = new RectF(0, 0, width / 2, height);
canvas.drawRoundRect(oval1, height/2, height/2, bgPaint);
textPaint.setColor(Color.WHITE);
canvas.drawText(text1, cx1, cy, textPaint);
textPaint.setColor(context.getColor(R.color.niu_noselect_text));
canvas.drawText(text2, cx2, cy, textPaint);
break;
case 2:
bgPaint.setColor(context.getColor(R.color.niu_select_blue));
RectF oval2 = new RectF((width / 2), 0, width, height);
canvas.drawRoundRect(oval2, height/2, height/2, bgPaint);
textPaint.setColor(context.getColor(R.color.niu_noselect_text));
canvas.drawText(text1, cx1, cy, textPaint);
textPaint.setColor(Color.WHITE);
canvas.drawText(text2, cx2, cy, textPaint);
break;
default:
break;
}
}
private void PerformSelect(int select) {
if (onButtonSelectListener != null) {
onButtonSelectListener.onSelect(select);
}
switch (select) {
case 1:
selectid = 1;
break;
case 2:
selectid = 2;
break;
default:
break;
}
}
float startX, lastX, disX, startY, lastY, disY;
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
isClickable = true;
startX = event.getX();
startY = event.getY();
isMove = false;
break;
case MotionEvent.ACTION_MOVE:
lastX = event.getX();
lastY = event.getY();
disX = lastX - startX;
disY = lastY - startY;
if (Math.abs(disX) < 5) break;
isMove = true;
isClickable = false;
startX = event.getX();
startY = event.getY();
break;
case MotionEvent.ACTION_UP:
if (isselect) {
if (isClickable) {
if (event.getY() < height) {
if (event.getX() < width / 2 && event.getX() > 0) {
PerformSelect(1);
} else if (event.getX() < width && event.getX() > (width / 2)) {
PerformSelect(2);
}
invalidate();
}
}
if (isMove) {
if (!(Math.abs(disX) > Math.abs(disY))) {
return false;
}
if (disX > 0) {
if (selectid < 2) {
selectid++;
PerformSelect(selectid);
}
} else {
if (selectid > 1) {
selectid--;
PerformSelect(selectid);
}
}
invalidate();
}
}
break;
}
return true;
}
public interface onButtonSelectListener {
void onSelect(int buttonid);
}
public TwoButtonSelectView.onButtonSelectListener getOnButtonSelectListener() {
return onButtonSelectListener;
}
public void setOnButtonSelectListener(TwoButtonSelectView.onButtonSelectListener onButtonSelectListener) {
this.onButtonSelectListener = onButtonSelectListener;
}
private int measureWidth(int measureSpec) {
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
int result = 1080;
if (specMode == MeasureSpec.AT_MOST) {
} else if (specMode == MeasureSpec.EXACTLY) {
result = specSize;
}
return result;
}
private int measureHeight(int measureSpec) {
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
int result = 120;
if (specMode == MeasureSpec.AT_MOST) {
} else if (specMode == MeasureSpec.EXACTLY) {
result = specSize;
}
return result;
}
public void setSelected(boolean isselected,int id){
isselect = isselected;
selectid = id;
invalidate();
}
public int getSelected(){
return selectid;
}
2.能拖动：（希望能强制按钮变动位置，而不是用户手动操作）
private static String TAG = "ThreeLaneDepartureWarningLaneKeepingSelect";
private TextView tv1, tv2, tv3;
private Button button1, button2, button3;
private int dx, dy, l, b, r, t;
private ThreeLaneDepartureWarningLaneKeepingSelect.onClickButtonListener onClickButtonListener;
private int selectid = 1;
public ThreeLaneDepartureWarningLaneKeepingSelect(Context context) {
super(context,null);
}
public ThreeLaneDepartureWarningLaneKeepingSelect(Context context, AttributeSet attrs) {
super(context, attrs);
LayoutInflater.from(context).inflate(R.layout.lane_departure_warning_lane_keeping_select, this);
tv1 = findViewById(R.id.tv1);
tv2 = findViewById(R.id.tv2);
tv3 = findViewById(R.id.tv3);
button1 = findViewById(R.id.button1);
button1.setText(getResources().getString(R.string.lane_keeping_off));
button1.setTextColor(Color.parseColor("#FFFFFFFF"));
button1.setBackgroundResource(R.drawable.shape_bu_bg);
button1.setOnTouchListener(shopCarSettleTouch);
button2 = findViewById(R.id.button2);
button2.setText(getResources().getString(R.string.lane_ldw));
button2.setTextColor(Color.parseColor("#FFFFFFFF"));
button2.setBackgroundResource(R.drawable.shape_bu_bg);
button2.setOnTouchListener(shopCarSettleTouch);
button3 = findViewById(R.id.button3);
button3.setText(getResources().getString(R.string.ldw_and_lka));
button3.setTextColor(Color.parseColor("#FFFFFFFF"));
button3.setBackgroundResource(R.drawable.shape_bu_bg);
button3.setOnTouchListener(shopCarSettleTouch);
tv1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
button1.setVisibility(View.VISIBLE);
button2.setVisibility(View.GONE);
button3.setVisibility(View.GONE);
onClickButtonListener.onClickButton1();
}
});
tv2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
button1.setVisibility(View.GONE);
button3.setVisibility(View.GONE);
button2.setVisibility(View.VISIBLE);
onClickButtonListener.onClickButton2();
}
});
tv3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
button1.setVisibility(View.GONE);
button2.setVisibility(View.GONE);
button3.setVisibility(View.VISIBLE);
onClickButtonListener.onClickButton3();
}
});
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
button1.setVisibility(View.VISIBLE);
button2.setVisibility(View.GONE);
button3.setVisibility(View.GONE);
onClickButtonListener.onClickButton1();
}
});
button2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
button1.setVisibility(View.GONE);
button3.setVisibility(View.GONE);
button2.setVisibility(View.VISIBLE);
onClickButtonListener.onClickButton2();
}
});
button3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
button1.setVisibility(View.GONE);
button2.setVisibility(View.GONE);
button3.setVisibility(View.VISIBLE);
onClickButtonListener.onClickButton3();
}
});
}
public void setSelectid(int selectid) {
this.selectid = selectid;
switch (selectid){
case 1:
button1.setVisibility(View.VISIBLE);
button2.setVisibility(View.GONE);
button3.setVisibility(View.GONE);
break;
case 2:
button2.setVisibility(View.VISIBLE);
button1.setVisibility(View.GONE);
button3.setVisibility(View.GONE);
break;
case 3:
button3.setVisibility(View.VISIBLE);
button1.setVisibility(View.GONE);
button2.setVisibility(View.GONE);
break;
default:
break;
}
invalidate();
}
private OnTouchListener shopCarSettleTouch = new OnTouchListener() {
int lastX, lastY;
@Override
public boolean onTouch(View v, MotionEvent event) {
int ea = event.getAction();
DisplayMetrics dm = getResources().getDisplayMetrics();
int screenWidth = 668;
Log.i(TAG, "screenWidth: " + screenWidth);
int screenHeight = dm.heightPixels;
switch (ea) {
case MotionEvent.ACTION_DOWN:
Log.i(TAG, "onTouch: " + "ACTION_DOWN");
lastX = (int) event.getRawX();
lastY = (int) event.getRawY();
case MotionEvent.ACTION_MOVE:
Log.i(TAG, "onTouch: " + "ACTION_MOVE");
dx = (int) event.getRawX() - lastX;
dy = (int) event.getRawY() - lastY;
l = v.getLeft() + dx;
b = v.getBottom();
r = v.getRight() + dx;
t = v.getTop();
if (l < 0) {
l = 0;
r = l + v.getWidth();
}
if (t < 0) {
t = 0;
b = t + v.getHeight();
}
if (r > screenWidth) {
r = screenWidth;
l = r - v.getWidth();
}
if (b > screenHeight) {
b = screenHeight;
t = b - v.getHeight();
}
lastX = (int) event.getRawX();
lastY = (int) event.getRawY();
v.layout(l, t, r, b);
v.postInvalidate();
break;
case MotionEvent.ACTION_UP:
Log.i(TAG, "onTouch: " + "ACTION_UP");
if ((l >= 0 && l < (screenWidth/6))&&(r >= (screenWidth/3) && r < (screenWidth/2))) {
button1.setVisibility(View.VISIBLE);
button2.setVisibility(View.GONE);
button3.setVisibility(View.GONE);
button1.layout(l = 0, t, r = (screenWidth/3), b);
onClickButtonListener.onClickButton1();
} else if ((l >= (screenWidth/6) && l < (screenWidth/2))&&(r >= (screenWidth/2) && r < (5*screenWidth/6))) {
button1.setVisibility(View.GONE);
button2.setVisibility(View.VISIBLE);
button3.setVisibility(View.GONE);
button2.layout(l = (screenWidth/3), t, r = (2*screenWidth/3), b);
onClickButtonListener.onClickButton2();
} else if (l >= (screenWidth/2) && r >= (5*screenWidth/6)) {
button1.setVisibility(View.GONE);
button2.setVisibility(View.GONE);
button3.setVisibility(View.VISIBLE);
button3.layout(l = (2*screenWidth/3), t, r = screenWidth, b);
onClickButtonListener.onClickButton3();
}
v.layout(l, t, r, b);
v.postInvalidate();
Log.e(TAG, "ACTION_UP: " + l + "==" + t + "==" + r + "==" + b);
break;
}
return true;
}
};
public interface onClickButtonListener {
void onClickButton1();
void onClickButton2();
void onClickButton3();
}
public ThreeLaneDepartureWarningLaneKeepingSelect.onClickButtonListener getOnClickButtonListener() {
return onClickButtonListener;
}
public void setOnClickButtonListener(ThreeLaneDepartureWarningLaneKeepingSelect.onClickButtonListener onClickButtonListener) {
this.onClickButtonListener = onClickButtonListener;
}
attrs.xml中：
<resources>
<attr name="text1" format="string" />
<attr name="text2" format="string" />
<attr name="text3" format="string" />
<attr name="text4" format="string" />
<attr name="text5" format="string" />
<attr name="text6" format="string" />
<attr name="textSize" format="dimension" />
<attr name="backgroundcolor" format="dimension" />
<attr name="selectbackgroundcolor" format="dimension" />
<declare-styleable name="TwoSlideSelectButton">
<attr name="text1" />
<attr name="text2" />
<attr name="textSize" />
<attr name="backgroundcolor" />
<attr name="selectbackgroundcolor" />
</declare-styleable>
<declare-styleable name="TwoButtonSelectView">
<attr name="text1" />
<attr name="text2" />
<attr name="textSize" />
<attr name="backgroundcolor" />
<attr name="selectbackgroundcolor" />
</declare-styleable>
</resources>
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