Android-自定义ProgressBar实现圆弧进度条

参数

interface

/**
*
* @param canvas
* @param rectF  圆弧的Rect
* @param x      圆弧的中心x
* @param y      圆弧的中心y
* @param storkeWidth   圆弧的边框宽度
* @param progress      当前进度
*/
public interface  OnCenterDraw {
public  void draw(Canvas canvas, RectF rectF, float x, float y,float storkeWidth,int progress);
}

Use

<com.czp.library.ArcProgress
android:id="@+id/myProgress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:degree="0"
app:progressStyle="arc" />

<com.czp.library.ArcProgress
android:id="@+id/myProgress01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/myProgress"
app:radius="80dp"
app:progressColor="@color/progressColor"
app:tickDensity="3" />

<com.czp.library.ArcProgress
android:id="@+id/myProgress02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/myProgress"
app:radius="90dp"
app:arcCapRound="true"
app:degree="180"
app:progressStyle="arc"
app:progressColor="@color/progressColorBlue"
app:tickDensity="3" />

mProgress.setOnCenterDraw(new ArcProgress.OnCenterDraw() {
@Override
public void draw(Canvas canvas, RectF rectF, float x, float y, float storkeWidth,int progress) {
Paint textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
textPaint.setStrokeWidth(35);
textPaint.setColor(getResources().getColor(R.color.textColor));
String progressStr = String.valueOf(progress+"%");
float textX = x-(textPaint.measureText(progressStr)/2);
float textY = y-((textPaint.descent()+textPaint.ascent())/2);
canvas.drawText(progressStr,textX,textY,textPaint);
}
});

依赖

dependencies {
compile 'com.czp.arcProgressBar:ArcProgressBar:1.0.1'
}