Android 自定义谷歌风格ProgressBar，鸿蒙app开发工具

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final int color = a.getColor(R.styleable.GoogleStyleProgressBar_color,

res.getColor(R.color.default_color));

final int sectionsCount = a.getInteger(

R.styleable.GoogleStyleProgressBar_sections_count,

res.getInteger(R.integer.default_sections_count));

final int separatorLength = a

.getDimensionPixelSize(

R.styleable.GoogleStyleProgressBar_stroke_separator_length,

res.getDimensionPixelSize(R.dimen.default_stroke_separator_length));

final float strokeWidth = a.getDimension(

R.styleable.GoogleStyleProgressBar_stroke_width,

res.getDimension(R.dimen.default_stroke_width));

final float speed = a.getFloat(

R.styleable.GoogleStyleProgressBar_speed,

Float.parseFloat(res.getString(R.string.default_speed)));

final float speedProgressiveStart = a.getFloat(

R.styleable.GoogleStyleProgressBar_progressiveStart_speed,

speed);

final float speedProgressiveStop = a

.getFloat(

R.styleable.GoogleStyleProgressBar_progressiveStop_speed,

speed);

final int iInterpolator = a.getInteger(

R.styleable.GoogleStyleProgressBar_interpolator, -1);

final boolean reversed = a.getBoolean(

R.styleable.GoogleStyleProgressBar_reversed,

res.getBoolean(R.bool.default_reversed));

final boolean mirrorMode = a.getBoolean(

R.styleable.GoogleStyleProgressBar_mirror_mode,

res.getBoolean(R.bool.default_mirror_mode));

final int colorsId = a.getResourceId(

R.styleable.GoogleStyleProgressBar_colors, 0);

final boolean progressiveStartActivated = a.getBoolean(

R.styleable.GoogleStyleProgressBar_progressiveStart_activated,

res.getBoolean(R.bool.default_progressiveStart_activated));

final Drawable backgroundDrawable = a

.getDrawable(R.styleable.GoogleStyleProgressBar_background);

final boolean generateBackgroundWithColors = a

.getBoolean(

R.styleable.GoogleStyleProgressBar_generate_background_with_colors,

false);

final boolean gradients = a.getBoolean(

R.styleable.GoogleStyleProgressBar_gradients, false);

a.recycle();

// interpolator

Interpolator interpolator = null;

if (iInterpolator == -1) {

interpolator = getInterpolator();

}

if (interpolator == null) {

switch (iInterpolator) {

case INTERPOLATOR_ACCELERATEDECELERATE:

interpolator = new AccelerateDecelerateInterpolator();

break;

case INTERPOLATOR_DECELERATE:

interpolator = new DecelerateInterpolator();

break;

case INTERPOLATOR_LINEAR:

interpolator = new LinearInterpolator();

break;

case INTERPOLATOR_ACCELERATE:

default:

interpolator = new AccelerateInterpolator();

}

}

int[] colors = null;

// colors

if (colorsId != 0) {

colors = res.getIntArray(colorsId);

}

GoogleProgressDrawable.Builder builder = new GoogleProgressDrawable.Builder(

context).speed(speed)

.progressiveStartSpeed(speedProgressiveStart)

.progressiveStopSpeed(speedProgressiveStop)

.interpolator(interpolator).sectionsCount(sectionsCount)

.separatorLength(separatorLength).strokeWidth(strokeWidth)

.reversed(reversed).mirrorMode(mirrorMode)

.progressiveStart(progressiveStartActivated)

.gradients(gradients);

if (backgroundDrawable != null) {

builder.backgroundDrawable(backgroundDrawable);

}

if (generateBackgroundWithColors) {

builder.generateBackgroundUsingColors();

}

if (colors != null && colors.length > 0)

builder.colors(colors);

else

builder.color(color);

GoogleProgressDrawable d = builder.build();

setIndeterminateDrawable(d);

}

public void applyStyle(int styleResId) {

TypedArray a = getContext().obtainStyledAttributes(null,

R.styleable.GoogleStyleProgressBar, 0, styleResId);

if (a.hasValue(R.styleable.GoogleStyleProgressBar_color)) {

setSmoothProgressDrawableColor(a.getColor(

R.styleable.GoogleStyleProgressBar_color, 0));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_colors)) {

int colorsId = a.getResourceId(

R.styleable.GoogleStyleProgressBar_colors, 0);

if (colorsId != 0) {

int[] colors = getResources().getIntArray(colorsId);

if (colors != null && colors.length > 0)

setSmoothProgressDrawableColors(colors);

}

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_sections_count)) {

setSmoothProgressDrawableSectionsCount(a.getInteger(

R.styleable.GoogleStyleProgressBar_sections_count, 0));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_stroke_separator_length)) {

setSmoothProgressDrawableSeparatorLength(a.getDimensionPixelSize(

R.styleable.GoogleStyleProgressBar_stroke_separator_length,

0));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_stroke_width)) {

setSmoothProgressDrawableStrokeWidth(a.getDimension(

R.styleable.GoogleStyleProgressBar_stroke_width, 0));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_speed)) {

setSmoothProgressDrawableSpeed(a.getFloat(

R.styleable.GoogleStyleProgressBar_speed, 0));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_progressiveStart_speed)) {

setSmoothProgressDrawableProgressiveStartSpeed(a.getFloat(

R.styleable.GoogleStyleProgressBar_progressiveStart_speed,

0));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_progressiveStop_speed)) {

setSmoothPr

ogressDrawableProgressiveStopSpeed(a

.getFloat(

R.styleable.GoogleStyleProgressBar_progressiveStop_speed,

0));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_reversed)) {

setSmoothProgressDrawableReversed(a.getBoolean(

R.styleable.GoogleStyleProgressBar_reversed, false));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_mirror_mode)) {

setSmoothProgressDrawableMirrorMode(a.getBoolean(

R.styleable.GoogleStyleProgressBar_mirror_mode, false));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_progressiveStart_activated)) {

setProgressiveStartActivated(a

.getBoolean(

R.styleable.GoogleStyleProgressBar_progressiveStart_activated,

false));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_progressiveStart_activated)) {

setProgressiveStartActivated(a

.getBoolean(

R.styleable.GoogleStyleProgressBar_progressiveStart_activated,

false));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_gradients)) {

setSmoothProgressDrawableUseGradients(a.getBoolean(

R.styleable.GoogleStyleProgressBar_gradients, false));

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_generate_background_with_colors)) {

if (a.getBoolean(

R.styleable.GoogleStyleProgressBar_generate_background_with_colors,

false)) {

setSmoothProgressDrawableBackgroundDrawable(GoogleProgressBarUtils

.generateDrawableWithColors(

checkIndeterminateDrawable().getColors(),

checkIndeterminateDrawable().getStrokeWidth()));

}

}

if (a.hasValue(R.styleable.GoogleStyleProgressBar_interpolator)) {

int iInterpolator = a.getInteger(

R.styleable.GoogleStyleProgressBar_interpolator, -1);

Interpolator interpolator;

switch (iInterpolator) {

case INTERPOLATOR_ACCELERATEDECELERATE:

interpolator = new AccelerateDecelerateInterpolator();

break;

case INTERPOLATOR_DECELERATE:

interpolator = new DecelerateInterpolator();

break;

case INTERPOLATOR_LINEAR:

interpolator = new LinearInterpolator();

break;

case INTERPOLATOR_ACCELERATE:

interpolator = new AccelerateInterpolator();

break;

default:

interpolator = null;

}

if (interpolator != null) {

setInterpolator(interpolator);

}

}

a.recycle();

}

@Override

protected synchronized void onDraw(Canvas canvas) {

super.onDraw(canvas);

if (isIndeterminate()

最后

在这里我和身边一些朋友特意整理了一份快速进阶为Android高级工程师的系统且全面的学习资料。涵盖了Android初级——Android高级架构师进阶必备的一些学习技能。

附上：我们之前因为秋招收集的二十套一二线互联网公司Android面试真题（含BAT、小米、华为、美团、滴滴）和我自己整理Android复习笔记（包含Android基础知识点、Android扩展知识点、Android源码解析、设计模式汇总、Gradle知识点、常见算法题汇总。）

a.recycle();

}

@Override

protected synchronized void onDraw(Canvas canvas) {

super.onDraw(canvas);

if (isIndeterminate()

最后

在这里我和身边一些朋友特意整理了一份快速进阶为Android高级工程师的系统且全面的学习资料。涵盖了Android初级——Android高级架构师进阶必备的一些学习技能。

附上：我们之前因为秋招收集的二十套一二线互联网公司Android面试真题（含BAT、小米、华为、美团、滴滴）和我自己整理Android复习笔记（包含Android基础知识点、Android扩展知识点、Android源码解析、设计模式汇总、Gradle知识点、常见算法题汇总。）
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