2019独角兽企业重金招聘Python工程师标准>>> 
android:layout_width="match_parent"
android:layout_height="220dip"
android:id="@+id/barInterest"
android:layout_centerInParent="true"
android:layout_gravity="center_horizontal"
app:back_color="@android:color/darker_gray"
app:back_width="8dp"
app:current_value="66"
app:front_color2="@color/common_gray_fa"
app:front_color1="@color/common_gray_fa"
app:front_color3="@color/common_orange_m"
app:front_width="8dp"
app:is_need_content="true"
app:is_need_title="true"
app:is_need_unit="true"
app:max_value="100"
app:string_title="年化收益(%)"
app:string_unit=""/> package lib.view.progressbar; import android.animation.ValueAnimator; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.PaintFlagsDrawFilter; import android.graphics.RectF; import android.graphics.SweepGradient; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.view.View; import android.view.WindowManager; import com.lsy.hebao.R; import lib.util.MathUtil; public class ColorArcProgressBar extends View { private int diameter = 500; //直径 private float centerX; //圆心X坐标 private float centerY; //圆心Y坐标 private Paint allArcPaint; private Paint progressPaint; private Paint vTextPaint; private Paint hintPaint; private Paint degreePaint; private Paint curSpeedPaint; private RectF bgRect; private ValueAnimator progressAnimator; private PaintFlagsDrawFilter mDrawFilter; private float startAngle = 150; private float sweepAngle = 240; private float currentAngle = 0; private float lastAngle; private float maxValues = 60; private float curValues = 0; private float bgArcWidth = dipToPx(2); private float progressWidth = dipToPx(10); private float textSize = dipToPx(60); private float hintSize = dipToPx(15); private float curSpeedSize = dipToPx(13); private int aniSpeed = 1000; private float longdegree = dipToPx(13); private float shortdegree = dipToPx(5); private final int DEGREE_PROGRESS_DISTANCE = dipToPx(18); private String longDegreeColor = "#111111"; private String shortDegreeColor = "#111111"; private String bgArcColor = "#88F0f0f0"; private String currentArcColor = "#FFB700"; private String titleString; private String hintString; private boolean isNeedTitle; private boolean isNeedUnit; private boolean isNeedDial; private boolean isNeedContent; // sweepAngle / maxValues 的值 private float k; private int color1,color2,color3; public ColorArcProgressBar(Context context) { super(context, null); initView(); } public ColorArcProgressBar(Context context, AttributeSet attrs) { super(context, attrs, 0); initCofig(context, attrs); initView(); } public ColorArcProgressBar(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); initCofig(context, attrs); initView(); } /** * 初始化布局配置 * @param context * @param attrs */ private void initCofig(Context context, AttributeSet attrs) { TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ColorArcProgressBar); color1 = a.getColor(R.styleable.ColorArcProgressBar_front_color1, Color.GREEN); color2 = a.getColor(R.styleable.ColorArcProgressBar_front_color2, color1); color3 = a.getColor(R.styleable.ColorArcProgressBar_front_color3, color1); sweepAngle = a.getInteger(R.styleable.ColorArcProgressBar_total_engle, 240); bgArcWidth = a.getDimension(R.styleable.ColorArcProgressBar_back_width, dipToPx(2)); progressWidth = a.getDimension(R.styleable.ColorArcProgressBar_front_width, dipToPx(10)); isNeedTitle = a.getBoolean(R.styleable.ColorArcProgressBar_is_need_title, false); isNeedContent = a.getBoolean(R.styleable.ColorArcProgressBar_is_need_content, false); isNeedUnit = a.getBoolean(R.styleable.ColorArcProgressBar_is_need_unit, false); isNeedDial = a.getBoolean(R.styleable.ColorArcProgressBar_is_need_dial, false); hintString = a.getString(R.styleable.ColorArcProgressBar_string_unit); titleString = a.getString(R.styleable.ColorArcProgressBar_string_title); curValues = a.getFloat(R.styleable.ColorArcProgressBar_current_value, 0); maxValues = a.getFloat(R.styleable.ColorArcProgressBar_max_value, 60); setCurrentValues(curValues); setMaxValues(maxValues); a.recycle(); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int width = (int) (2 * longdegree + progressWidth + diameter + 2 * DEGREE_PROGRESS_DISTANCE); int height= (int) (2 * longdegree + progressWidth + diameter + 2 * DEGREE_PROGRESS_DISTANCE); setMeasuredDimension(width, height); } private void initView() { diameter = 3 * getScreenWidth() / 5; //弧形的矩阵区域 bgRect = new RectF(); bgRect.top = longdegree + progressWidth/2 + DEGREE_PROGRESS_DISTANCE; bgRect.left = longdegree + progressWidth/2 + DEGREE_PROGRESS_DISTANCE; bgRect.right = diameter + (longdegree + progressWidth/2 + DEGREE_PROGRESS_DISTANCE); bgRect.bottom = diameter + (longdegree + progressWidth/2 + DEGREE_PROGRESS_DISTANCE); //圆心 centerX = (2 * longdegree + progressWidth + diameter + 2 * DEGREE_PROGRESS_DISTANCE)/2; centerY = (2 * longdegree + progressWidth + diameter + 2 * DEGREE_PROGRESS_DISTANCE)/2; //外部刻度线 degreePaint = new Paint(); degreePaint.setColor(Color.parseColor(longDegreeColor)); //整个弧形 allArcPaint = new Paint(); allArcPaint.setAntiAlias(true); allArcPaint.setStyle(Paint.Style.STROKE); allArcPaint.setStrokeWidth(bgArcWidth); allArcPaint.setColor(Color.parseColor(bgArcColor)); allArcPaint.setStrokeCap(Paint.Cap.ROUND); //当前进度的弧形 progressPaint = new Paint(); progressPaint.setAntiAlias(true); progressPaint.setStyle(Paint.Style.STROKE); progressPaint.setStrokeCap(Paint.Cap.ROUND); progressPaint.setStrokeWidth(progressWidth); progressPaint.setColor(Color.parseColor(currentArcColor)); //内容显示文字 vTextPaint = new Paint(); vTextPaint.setTextSize(textSize); vTextPaint.setColor(color2); vTextPaint.setTextAlign(Paint.Align.CENTER); //显示单位文字 hintPaint = new Paint(); hintPaint.setTextSize(hintSize); hintPaint.setColor(color3); hintPaint.setTextAlign(Paint.Align.CENTER); //显示标题文字 curSpeedPaint = new Paint(); curSpeedPaint.setTextSize(curSpeedSize); curSpeedPaint.setColor(color1); curSpeedPaint.setTextAlign(Paint.Align.CENTER); mDrawFilter = new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG); } @Override protected void onDraw(Canvas canvas) { //抗锯齿 canvas.setDrawFilter(mDrawFilter); if (isNeedDial) { //画刻度线 for (int i = 0; i < 40; i++) { if (i > 15 && i < 25) { canvas.rotate(9, centerX, centerY); continue; } if (i % 5 == 0) { degreePaint.setStrokeWidth(dipToPx(2)); degreePaint.setColor(Color.parseColor(longDegreeColor)); canvas.drawLine(centerX, centerY - diameter / 2 - progressWidth / 2 - DEGREE_PROGRESS_DISTANCE, centerX, centerY - diameter / 2 - progressWidth / 2 - DEGREE_PROGRESS_DISTANCE - longdegree, degreePaint); } else { degreePaint.setStrokeWidth(dipToPx(1.4f)); degreePaint.setColor(Color.parseColor(shortDegreeColor)); canvas.drawLine(centerX, centerY - diameter / 2 - progressWidth / 2 - DEGREE_PROGRESS_DISTANCE - (longdegree - shortdegree) / 2, centerX, centerY - diameter / 2 - progressWidth / 2 - DEGREE_PROGRESS_DISTANCE - (longdegree - shortdegree) / 2 - shortdegree, degreePaint); } canvas.rotate(9, centerX, centerY); } } //整个弧 canvas.drawArc(bgRect, startAngle, sweepAngle, false, allArcPaint); //当前进度 canvas.drawArc(bgRect, startAngle, currentAngle, false, progressPaint); if (isNeedContent) { canvas.drawText(MathUtil.mathTodecimaltwo(curValues/maxValues*10.88), centerX, centerY , vTextPaint); } if (isNeedUnit) { canvas.drawText(hintString, centerX, centerY+textSize/2, hintPaint); } if (isNeedTitle) { canvas.drawText(titleString, centerX, centerY - textSize , curSpeedPaint); } invalidate(); } /** * 设置最大值 * @param maxValues */ public void setMaxValues(float maxValues) { this.maxValues = maxValues; k = sweepAngle/maxValues; } /** * 设置当前值 * @param currentValues */ public void setCurrentValues(float currentValues) { if (currentValues > maxValues) { currentValues = maxValues; } if (currentValues < 0) { currentValues = 0; } this.curValues = currentValues; lastAngle = currentAngle; setAnimation(lastAngle, currentValues * k, aniSpeed); } /** * 设置整个圆弧宽度 * @param bgArcWidth */ public void setBgArcWidth(int bgArcWidth) { this.bgArcWidth = bgArcWidth; } /** * 设置进度宽度 * @param progressWidth */ public void setProgressWidth(int progressWidth) { this.progressWidth = progressWidth; } /** * 设置速度文字大小 * @param textSize */ public void setTextSize(int textSize) { this.textSize = textSize; } /** * 设置单位文字大小 * @param hintSize */ public void setHintSize(int hintSize) { this.hintSize = hintSize; } /** * 设置单位文字 * @param hintString */ public void setUnit(String hintString) { this.hintString = hintString; invalidate(); } /** * 设置直径大小 * @param diameter */ public void setDiameter(int diameter) { this.diameter = dipToPx(diameter); } /** * 设置标题 * @param title */ private void setTitle(String title){ this.titleString = title; } /** * 设置是否显示标题 * @param isNeedTitle */ private void setIsNeedTitle(boolean isNeedTitle) { this.isNeedTitle = isNeedTitle; } /** * 设置是否显示单位文字 * @param isNeedUnit */ private void setIsNeedUnit(boolean isNeedUnit) { this.isNeedUnit = isNeedUnit; } /** * 设置是否显示外部刻度盘 * @param isNeedDial */ private void setIsNeedDial(boolean isNeedDial) { this.isNeedDial = isNeedDial; } /** * 为进度设置动画 * @param last * @param current */ private void setAnimation(float last, float current, int length) { progressAnimator = ValueAnimator.ofFloat(last, current); progressAnimator.setDuration(length); progressAnimator.setTarget(currentAngle); progressAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { currentAngle= (float) animation.getAnimatedValue(); curValues = currentAngle/k; } }); progressAnimator.start(); } /** * dip 转换成px * @param dip * @return */ private int dipToPx(float dip) { float density = getContext().getResources().getDisplayMetrics().density; return (int)(dip * density + 0.5f * (dip >= 0 ? 1 : -1)); } /** * 得到屏幕宽度 * @return */ private int getScreenWidth() { WindowManager windowManager = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE); DisplayMetrics displayMetrics = new DisplayMetrics(); windowManager.getDefaultDisplay().getMetrics(displayMetrics); return displayMetrics.widthPixels; } }
在mainActivity里面
private ColorArcProgressBar bar2;
bar2= (ColorArcProgressBar) view.findViewById(R.id.barInterest); bar2.setCurrentValues(40);
就这样完成了 哈哈哈！！！！