package com.gzsll.hupu.widget;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.widget.RelativeLayout;
/**
* Created by sll on 2015/5/15.
*/
public class ProgressBarCircularIndeterminate extends RelativeLayout {
final static String MATERIALDESIGNXML = "http://schemas.android.com/apk/res-auto";
final static String ANDROIDXML = "http://schemas.android.com/apk/res/android";
final int disabledBackgroundColor = Color.parseColor("#E2E2E2");
int beforeBackground;
float radius1 = 0;
float radius2 = 0;
int cont = 0;
boolean firstAnimationOver = false;
int backgroundColor = Color.parseColor("#1E88E5");
public ProgressBarCircularIndeterminate(Context context) {
this(context, null);
}
public ProgressBarCircularIndeterminate(Context context, AttributeSet attrs) {
super(context, attrs);
setAttributes(attrs);
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
if (enabled) {
setBackgroundColor(beforeBackground);
} else {
setBackgroundColor(disabledBackgroundColor);
}
invalidate();
}
boolean animation = false;
@Override
protected void onAnimationStart() {
super.onAnimationStart();
animation = true;
}
@Override
protected void onAnimationEnd() {
super.onAnimationEnd();
animation = false;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (animation) invalidate();
if (firstAnimationOver == false) drawFirstAnimation(canvas);
if (cont > 0) drawSecondAnimation(canvas);
invalidate();
}
// Set atributtes of XML to View
protected void setAttributes(AttributeSet attrs) {
setMinimumHeight(dpToPx(32, getResources()));
setMinimumWidth(dpToPx(32, getResources()));
//Set background Color
// Color by resource
int bacgroundColor = attrs.getAttributeResourceValue(ANDROIDXML, "background", -1);
if (bacgroundColor != -1) {
setBackgroundColor(getResources().getColor(bacgroundColor));
} else {
// Color by hexadecimal
int background = attrs.getAttributeIntValue(ANDROIDXML, "background", -1);
if (background != -1) {
setBackgroundColor(background);
} else {
setBackgroundColor(Color.parseColor("#1E88E5"));
}
}
setMinimumHeight(dpToPx(3, getResources()));
}
protected int makePressColor() {
int r = (this.backgroundColor >> 16) & 0xFF;
int g = (this.backgroundColor >> 8) & 0xFF;
int b = (this.backgroundColor >> 0) & 0xFF;
// r = (r+90 > 245) ? 245 : r+90;
// g = (g+90 > 245) ? 245 : g+90;
// b = (b+90 > 245) ? 245 : b+90;
return Color.argb(128, r, g, b);
}
/**
* Draw first animation of view
*/
private void drawFirstAnimation(Canvas canvas) {
if (radius1 < getWidth() / 2) {
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(makePressColor());
radius1 = (radius1 >= getWidth() / 2) ? (float) getWidth() / 2 : radius1 + 1;
canvas.drawCircle(getWidth() / 2, getHeight() / 2, radius1, paint);
} else {
Bitmap bitmap =
Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Bitmap.Config.ARGB_8888);
Canvas temp = new Canvas(bitmap);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(makePressColor());
temp.drawCircle(getWidth() / 2, getHeight() / 2, getHeight() / 2, paint);
Paint transparentPaint = new Paint();
transparentPaint.setAntiAlias(true);
transparentPaint.setColor(getResources().getColor(android.R.color.transparent));
transparentPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
if (cont >= 50) {
radius2 = (radius2 >= getWidth() / 2) ? (float) getWidth() / 2 : radius2 + 1;
} else {
radius2 = (radius2 >= getWidth() / 2 - dpToPx(4, getResources())) ? (float) getWidth() / 2
- dpToPx(4, getResources()) : radius2 + 1;
}
temp.drawCircle(getWidth() / 2, getHeight() / 2, radius2, transparentPaint);
canvas.drawBitmap(bitmap, 0, 0, new Paint());
if (radius2 >= getWidth() / 2 - dpToPx(4, getResources())) cont++;
if (radius2 >= getWidth() / 2) firstAnimationOver = true;
}
}
int arcD = 1;
int arcO = 0;
float rotateAngle = 0;
int limite = 0;
/**
* Draw second animation of view
*/
private void drawSecondAnimation(Canvas canvas) {
if (arcO == limite) arcD += 6;
if (arcD >= 290 || arcO > limite) {
arcO += 6;
arcD -= 6;
}
if (arcO > limite + 290) {
limite = arcO;
arcO = limite;
arcD = 1;
}
rotateAngle += 4;
canvas.rotate(rotateAngle, getWidth() / 2, getHeight() / 2);
Bitmap bitmap =
Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Bitmap.Config.ARGB_8888);
Canvas temp = new Canvas(bitmap);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(backgroundColor);
// temp.drawARGB(0, 0, 0, 255);
temp.drawArc(new RectF(0, 0, getWidth(), getHeight()), arcO, arcD, true, paint);
Paint transparentPaint = new Paint();
transparentPaint.setAntiAlias(true);
transparentPaint.setColor(getResources().getColor(android.R.color.transparent));
transparentPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
temp.drawCircle(getWidth() / 2, getHeight() / 2, (getWidth() / 2) - dpToPx(4, getResources()),
transparentPaint);
canvas.drawBitmap(bitmap, 0, 0, new Paint());
}
// Set color of background
public void setBackgroundColor(int color) {
super.setBackgroundColor(getResources().getColor(android.R.color.transparent));
if (isEnabled()) beforeBackground = backgroundColor;
this.backgroundColor = color;
}
public static int dpToPx(float dp, Resources resources) {
float px =
TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, resources.getDisplayMetrics());
return (int) px;
}
}