2019獨角獸企業重金招聘Python工程師標準>>> 
<lib.view.progressbar.ColorArcProgressBar 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; //直徑 private float centerX; //圓心X坐標 private float centerY; //圓心Y坐標 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; //弧形的矩陣區域 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); //圓心 centerX = (2 * longdegree + progressWidth + diameter + 2 * DEGREE_PROGRESS_DISTANCE)/2; centerY = (2 * longdegree + progressWidth + diameter + 2 * DEGREE_PROGRESS_DISTANCE)/2; //外部刻度線 degreePaint = new Paint(); degreePaint.setColor(Color.parseColor(longDegreeColor)); //整個弧形 allArcPaint = new Paint(); allArcPaint.setAntiAlias(true); allArcPaint.setStyle(Paint.Style.STROKE); allArcPaint.setStrokeWidth(bgArcWidth); allArcPaint.setColor(Color.parseColor(bgArcColor)); allArcPaint.setStrokeCap(Paint.Cap.ROUND); //當前進度的弧形 progressPaint = new Paint(); progressPaint.setAntiAlias(true); progressPaint.setStyle(Paint.Style.STROKE); progressPaint.setStrokeCap(Paint.Cap.ROUND); progressPaint.setStrokeWidth(progressWidth); progressPaint.setColor(Color.parseColor(currentArcColor)); //內容顯示文字 vTextPaint = new Paint(); vTextPaint.setTextSize(textSize); vTextPaint.setColor(color2); vTextPaint.setTextAlign(Paint.Align.CENTER); //顯示單位文字 hintPaint = new Paint(); hintPaint.setTextSize(hintSize); hintPaint.setColor(color3); hintPaint.setTextAlign(Paint.Align.CENTER); //顯示標題文字 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) {//抗鋸齒 canvas.setDrawFilter(mDrawFilter); if (isNeedDial) {//畫刻度線 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); }}//整個弧 canvas.drawArc(bgRect, startAngle, sweepAngle, false, allArcPaint); //當前進度 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(); }/** * 設置最大值 * @param maxValues */ public void setMaxValues(float maxValues) {this.maxValues = maxValues; k = sweepAngle/maxValues; }/** * 設置當前值 * @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); }/** * 設置整個圓弧寬度 * @param bgArcWidth */ public void setBgArcWidth(int bgArcWidth) {this.bgArcWidth = bgArcWidth; }/** * 設置進度寬度 * @param progressWidth */ public void setProgressWidth(int progressWidth) {this.progressWidth = progressWidth; }/** * 設置速度文字大小 * @param textSize */ public void setTextSize(int textSize) {this.textSize = textSize; }/** * 設置單位文字大小 * @param hintSize */ public void setHintSize(int hintSize) {this.hintSize = hintSize; }/** * 設置單位文字 * @param hintString */ public void setUnit(String hintString) {this.hintString = hintString; invalidate(); }/** * 設置直徑大小 * @param diameter */ public void setDiameter(int diameter) {this.diameter = dipToPx(diameter); }/** * 設置標題 * @param title */ private void setTitle(String title){this.titleString = title; }/** * 設置是否顯示標題 * @param isNeedTitle */ private void setIsNeedTitle(boolean isNeedTitle) {this.isNeedTitle = isNeedTitle; }/** * 設置是否顯示單位文字 * @param isNeedUnit */ private void setIsNeedUnit(boolean isNeedUnit) {this.isNeedUnit = isNeedUnit; }/** * 設置是否顯示外部刻度盤 * @param isNeedDial */ private void setIsNeedDial(boolean isNeedDial) {this.isNeedDial = isNeedDial; }/** * 為進度設置動畫 * @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 轉換成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)); }/** * 得到屏幕寬度 * @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);
就這樣完成了 哈哈哈！！！！
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