├── demo
├── .gitignore
├── images
│ └── showcase.png
├── src
│ └── main
│ │ ├── res
│ │ ├── values
│ │ │ ├── strings.xml
│ │ │ └── styles.xml
│ │ ├── drawable-hdpi
│ │ │ └── ic_launcher.png
│ │ ├── drawable-mdpi
│ │ │ └── ic_launcher.png
│ │ ├── drawable-xhdpi
│ │ │ └── ic_launcher.png
│ │ ├── drawable
│ │ │ ├── circle2_bg.xml
│ │ │ ├── circle_bg.xml
│ │ │ └── circle3_bg.xml
│ │ └── layout
│ │ │ └── demo_layout.xml
│ │ ├── AndroidManifest.xml
│ │ └── java
│ │ └── com
│ │ └── github
│ │ └── kratorius
│ │ └── circleprogress
│ │ └── demo
│ │ └── DemoActivity.java
└── build.gradle
├── library
├── .gitignore
├── src
│ └── main
│ │ ├── res
│ │ └── values
│ │ │ ├── strings.xml
│ │ │ └── attrs.xml
│ │ ├── AndroidManifest.xml
│ │ └── java
│ │ └── com
│ │ └── github
│ │ └── kratorius
│ │ └── circleprogress
│ │ └── CircleProgressView.java
└── build.gradle
├── settings.gradle
├── .gitignore
├── gradle.properties
├── README.md
└── LICENSE
/demo/.gitignore:
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5 | gen/
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/gradle.properties:
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1 | VERSION_NAME=1.0
2 | VERSION_CODE=1
3 | GROUP=com.github.kratorius.circleprogress
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/demo/images/showcase.png:
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2 | Circle Progress Demo
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2 | Circle Progress
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/library/build.gradle:
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1 | buildscript {
2 | repositories {
3 | jcenter()
4 | }
5 | dependencies {
6 | classpath 'com.android.tools.build:gradle:0.13.2'
7 | }
8 | }
9 | apply plugin: 'com.android.library'
10 |
11 | repositories {
12 | jcenter()
13 | }
14 |
15 | android {
16 | compileSdkVersion 19
17 | buildToolsVersion "19.1.0"
18 |
19 | defaultConfig {
20 | minSdkVersion 9
21 | targetSdkVersion 21
22 | versionCode Integer.parseInt(project.VERSION_CODE)
23 | versionName project.VERSION_NAME
24 | }
25 | }
26 |
27 | dependencies {
28 | }
29 |
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/demo/build.gradle:
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1 | buildscript {
2 | repositories {
3 | mavenCentral()
4 | }
5 | dependencies {
6 | classpath 'com.android.tools.build:gradle:0.12.+'
7 | }
8 | }
9 | apply plugin: 'android'
10 |
11 | repositories {
12 | mavenCentral()
13 | }
14 |
15 | android {
16 | compileSdkVersion 19
17 | buildToolsVersion "19.1.0"
18 |
19 | defaultConfig {
20 | minSdkVersion 9
21 | targetSdkVersion 19
22 | versionCode Integer.parseInt(project.VERSION_CODE)
23 | versionName project.VERSION_NAME
24 | }
25 | }
26 |
27 | dependencies {
28 | compile project(':library')
29 | }
30 |
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/README.md:
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1 | # android-circleprogress
2 |
3 | A simple progress indicator on a circle.
4 |
5 | 
6 |
7 |
8 | ## Requirements
9 |
10 | * API 9+
11 |
12 |
13 | ## Getting started
14 |
15 | Just add the library to your project and add a view like this:
16 |
17 | ``` xml
18 |
25 | ```
26 |
27 | For more examples, check the [demo project](https://github.com/kratorius/android-circleprogress/tree/master/demo).
28 |
29 |
30 | ## Available view properties
31 |
32 | * `circleProgressThickness`: controls the thickness of the circle
33 | * `circleProgressColor`: the color of the circle
34 | * `circleProgressValue`: the "progress" (in the 0-100 range)
35 | * `circleProgressStartAngle`: starting angle
36 | * `circleProgressText`: optional text inside the circle
37 | * `circleProgressTextColor`: above text's color
38 | * `circleProgressTextSize`: above text's size
39 | * `circleProgressStartAnimation`: one of `none`, `roll`, `fadeIn`, `incremental`, `thicknessExpand`.
40 |
41 |
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/demo/src/main/java/com/github/kratorius/circleprogress/demo/DemoActivity.java:
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1 | package com.github.kratorius.circleprogress.demo;
2 |
3 | import android.app.Activity;
4 | import android.graphics.drawable.ScaleDrawable;
5 | import android.os.Bundle;
6 | import android.view.View;
7 | import android.widget.Button;
8 |
9 | import com.github.kratorius.circleprogress.CircleProgressView;
10 |
11 | public class DemoActivity extends Activity {
12 | private Button btnFadeInReload;
13 | private Button btnRollReload;
14 | private Button btnRollIncremental;
15 |
16 | private CircleProgressView crcBackgroundLine;
17 |
18 | private int[] mCirclesId = new int[] {
19 | R.id.crc_standard,
20 | R.id.crc_large_thickness,
21 | R.id.crc_animated_fadeIn,
22 | R.id.crc_animated_roll,
23 | R.id.crc_animated_incremental,
24 | R.id.crc_ovalized,
25 | R.id.crc_diff_start_angle,
26 | R.id.crc_bg1,
27 | R.id.crc_bg2,
28 | R.id.crc_bg3,
29 | };
30 |
31 | private int[] mIncButtonsId = new int[] {
32 | R.id.btn_inc_standard,
33 | R.id.btn_inc_large_thickness,
34 | R.id.btn_inc_animated_fadeIn,
35 | R.id.btn_inc_animated_roll,
36 | R.id.btn_inc_animated_incremental,
37 | R.id.btn_inc_ovalized,
38 | R.id.btn_inc_diff_start_angle,
39 | R.id.btn_inc_bg1,
40 | R.id.btn_inc_bg2,
41 | R.id.btn_inc_bg3,
42 | };
43 |
44 | private int[] mDecButtonsId = new int[] {
45 | R.id.btn_dec_standard,
46 | R.id.btn_dec_large_thickness,
47 | R.id.btn_dec_animated_fadeIn,
48 | R.id.btn_dec_animated_roll,
49 | R.id.btn_dec_animated_incremental,
50 | R.id.btn_dec_ovalized,
51 | R.id.btn_dec_diff_start_angle,
52 | R.id.btn_dec_bg1,
53 | R.id.btn_dec_bg2,
54 | R.id.btn_dec_bg3,
55 | };
56 |
57 | @Override
58 | protected void onCreate(Bundle savedInstanceState) {
59 | super.onCreate(savedInstanceState);
60 | setContentView(R.layout.demo_layout);
61 |
62 | btnFadeInReload = (Button) findViewById(R.id.btn_reload_fade_in);
63 | btnRollReload = (Button) findViewById(R.id.btn_reload_roll);
64 | btnRollIncremental = (Button) findViewById(R.id.btn_reload_incremental);
65 | crcBackgroundLine = (CircleProgressView) findViewById(R.id.crc_bg2);
66 |
67 | Reloader reloader = new Reloader();
68 |
69 | btnFadeInReload.setOnClickListener(reloader);
70 | btnRollReload.setOnClickListener(reloader);
71 | btnRollIncremental.setOnClickListener(reloader);
72 |
73 | for (int i = 0; i < mCirclesId.length; i++) {
74 | CircleProgressView tmp = (CircleProgressView) findViewById(mCirclesId[i]);
75 | Button inc = (Button) findViewById(mIncButtonsId[i]);
76 | Button dec = (Button) findViewById(mDecButtonsId[i]);
77 | inc.setOnClickListener(new Incrementer(tmp));
78 | dec.setOnClickListener(new Decrementer(tmp));
79 | }
80 | }
81 |
82 | private class Reloader implements View.OnClickListener {
83 | @Override
84 | public void onClick(View view) {
85 | finish();
86 | startActivity(getIntent());
87 | }
88 | }
89 |
90 | private static class Incrementer implements View.OnClickListener {
91 | private CircleProgressView mRef;
92 | public Incrementer(CircleProgressView ref) {
93 | mRef = ref;
94 | }
95 | @Override
96 | public void onClick(View view) {
97 | int val = mRef.getValue();
98 | val++;
99 | val = Math.min(Math.max(val, 0), 100);
100 | mRef.setValue(val);
101 | }
102 | }
103 |
104 | private static class Decrementer implements View.OnClickListener {
105 | private CircleProgressView mRef;
106 | public Decrementer(CircleProgressView ref) {
107 | mRef = ref;
108 | }
109 | @Override
110 | public void onClick(View view) {
111 | int val = mRef.getValue();
112 | val--;
113 | val = Math.min(Math.max(val, 0), 100);
114 | mRef.setValue(val);
115 | }
116 | }
117 | }
118 |
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/library/src/main/java/com/github/kratorius/circleprogress/CircleProgressView.java:
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1 | package com.github.kratorius.circleprogress;
2 |
3 | import android.animation.ObjectAnimator;
4 | import android.annotation.TargetApi;
5 | import android.content.Context;
6 | import android.content.res.TypedArray;
7 | import android.graphics.Canvas;
8 | import android.graphics.Color;
9 | import android.graphics.Paint;
10 | import android.graphics.Path;
11 | import android.graphics.RectF;
12 | import android.os.Build;
13 | import android.util.AttributeSet;
14 | import android.view.View;
15 | import android.view.animation.DecelerateInterpolator;
16 |
17 | /**
18 | * Simple progress bar shown as a circle.
19 | */
20 | public class CircleProgressView extends View {
21 | private final static int DEFAULT_THICKNESS = 20;
22 | private final static int DEFAULT_VALUE = 0;
23 | private final static int DEFAULT_START_ANGLE = -90;
24 | private final static int DEFAULT_COLOR = Color.DKGRAY;
25 | private final static int DEFAULT_TEXT_SIZE = 45;
26 | private final static int DEFAULT_START_ANIMATION_DURATION = 500;
27 |
28 | // keep in sync with values in attrs.xml
29 | private final static int ANIM_NONE = 0;
30 | private final static int ANIM_ROLL = 1;
31 | private final static int ANIM_FADE_IN = 2;
32 | private final static int ANIM_INCREMENTAL = 3;
33 | private final static int ANIM_THICKNESS_EXPAND = 4;
34 |
35 | private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
36 | private final Paint mTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
37 |
38 | private final Path mPath = new Path();
39 | private final RectF mDrawRect = new RectF();
40 |
41 | private int mThickness;
42 | private int mColor;
43 | private int mValue;
44 | private int mStartAngle;
45 |
46 | private String mText;
47 | private int mTextColor;
48 | private int mTextSize;
49 |
50 | private int mStartAnimation;
51 | private int mStartAnimationDuration;
52 |
53 | public CircleProgressView(Context context) {
54 | this(context, null, 0);
55 | }
56 |
57 | public CircleProgressView(Context context, AttributeSet attrs) {
58 | this(context, attrs, 0);
59 | }
60 |
61 | public CircleProgressView(Context context, AttributeSet attrs, int defStyle) {
62 | super(context, attrs, defStyle);
63 |
64 | TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CircleProgressView);
65 | try {
66 | assert a != null;
67 | mThickness = a.getDimensionPixelSize(R.styleable.CircleProgressView_circleProgressThickness, DEFAULT_THICKNESS);
68 | mColor = a.getColor(R.styleable.CircleProgressView_circleProgressColor, DEFAULT_COLOR);
69 | mTextColor = a.getColor(R.styleable.CircleProgressView_circleProgressTextColor, mColor);
70 | mValue = a.getInteger(R.styleable.CircleProgressView_circleProgressValue, DEFAULT_VALUE);
71 | mStartAngle = a.getInteger(R.styleable.CircleProgressView_circleProgressStartAngle, DEFAULT_START_ANGLE);
72 | mTextSize = a.getDimensionPixelSize(R.styleable.CircleProgressView_circleProgressTextSize, DEFAULT_TEXT_SIZE);
73 | mText = a.getString(R.styleable.CircleProgressView_circleProgressText);
74 | mStartAnimation = a.getInteger(R.styleable.CircleProgressView_circleProgressStartAnimation, ANIM_NONE);
75 | mStartAnimationDuration = a.getInteger(R.styleable.CircleProgressView_circleProgressStartAnimationDuration, DEFAULT_START_ANIMATION_DURATION);
76 | } finally {
77 | a.recycle();
78 | }
79 |
80 | setValue(mValue);
81 |
82 | mPaint.setStyle(Paint.Style.STROKE);
83 | mPaint.setColor(mColor);
84 | mPaint.setStrokeWidth(mThickness);
85 |
86 | mTextPaint.setColor(mTextColor);
87 | mTextPaint.setTextSize(mTextSize);
88 | mTextPaint.setTextAlign(Paint.Align.CENTER);
89 | }
90 |
91 | @Override
92 | protected void onDraw(Canvas canvas) {
93 | super.onDraw(canvas);
94 |
95 | // rescale [0-100] in [0-360]
96 | final int degrees = (int) ((mValue / 100.) * 360);
97 | final int width = getWidth() - getPaddingRight();
98 | final int height = getHeight() - getPaddingBottom();
99 | final String text = getText();
100 |
101 | mPath.reset();
102 |
103 | mDrawRect.top = getPaddingTop() + mThickness;
104 | mDrawRect.left = getPaddingLeft() + mThickness;
105 | mDrawRect.bottom = height - mThickness;
106 | mDrawRect.right = width - mThickness;
107 |
108 | mPath.addArc(mDrawRect, mStartAngle, degrees);
109 | canvas.drawPath(mPath, mPaint);
110 |
111 | int textX = getWidth() / 2;
112 | int textY = (int) ((getHeight() / 2) - ((mTextPaint.descent() + mTextPaint.ascent()) / 2.));
113 |
114 | canvas.drawText(text, textX, textY, mTextPaint);
115 | }
116 |
117 | @TargetApi(Build.VERSION_CODES.HONEYCOMB)
118 | @Override
119 | protected void onAttachedToWindow() {
120 | super.onAttachedToWindow();
121 | // currently animations are ignored on devices that don't support
122 | // them natively
123 | if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
124 | return;
125 | }
126 |
127 | ObjectAnimator animator;
128 | switch (mStartAnimation) {
129 | case ANIM_ROLL:
130 | animator = ObjectAnimator.ofInt(this, "startAngle", mStartAngle - 180, mStartAngle);
131 | animator.setInterpolator(new DecelerateInterpolator());
132 | break;
133 | case ANIM_FADE_IN:
134 | animator = ObjectAnimator.ofFloat(this, "alpha", 0, 1);
135 | break;
136 | case ANIM_INCREMENTAL:
137 | animator = ObjectAnimator.ofInt(this, "value", 0, mValue);
138 | animator.setInterpolator(new DecelerateInterpolator());
139 | break;
140 | case ANIM_THICKNESS_EXPAND:
141 | animator = ObjectAnimator.ofInt(this, "thickness", 0, mThickness);
142 | animator.setInterpolator(new DecelerateInterpolator());
143 | break;
144 | default:
145 | animator = null;
146 | }
147 |
148 | if (animator != null) {
149 | animator.setDuration(mStartAnimationDuration);
150 | animator.start();
151 | }
152 | }
153 |
154 | /**
155 | * Sets the value of the progress circle.
156 | * @param value value in percentage of the progress bar. This must be
157 | * in the 0-100 range (both included).
158 | */
159 | public void setValue(int value) {
160 | if (value < 0 || value > 100) {
161 | throw new IllegalArgumentException(
162 | String.format("Value was %d but must be in the 0-100 range", value)
163 | );
164 | }
165 | mValue = value;
166 | invalidate();
167 | }
168 |
169 | /**
170 | * Returns the current value of the progress circle.
171 | * @return current progress circle's value
172 | */
173 | public int getValue() {
174 | return mValue;
175 | }
176 |
177 | /**
178 | * Sets the thickness of the of the circle progress bar.
179 | * @param thickness thickness of the of the circle progress bar
180 | */
181 | public void setThickness(int thickness) {
182 | if (thickness < 0) {
183 | throw new IllegalArgumentException(
184 | String.format("Thickness was %d but must be positive", thickness)
185 | );
186 | }
187 | mThickness = thickness;
188 | mPaint.setStrokeWidth(thickness);
189 | invalidate();
190 | }
191 |
192 | /**
193 | * Returns the current thickness of the circle progress bar.
194 | * @return thickness of the circle progress bar
195 | */
196 | public int getThickness() {
197 | return mThickness;
198 | }
199 |
200 | /**
201 | * Sets the color of the circle progress bar.
202 | * @param color color of the circle progress bar.
203 | */
204 | public void setColor(int color) {
205 | mColor = color;
206 | mPaint.setColor(mColor);
207 | invalidate();
208 | }
209 |
210 | /**
211 | * Returns the current color of the circle progress bar.
212 | * @return color of the circle progress bar
213 | */
214 | public int getColor() {
215 | return mColor;
216 | }
217 |
218 | /**
219 | * Sets the text inside the circle progress bar.
220 | * If the text is {@code null}, the view will show the current value
221 | * inside the circle.
222 | * @param text input text or null to show the current value
223 | */
224 | public void setText(String text) {
225 | mText = text;
226 | invalidate();
227 | }
228 |
229 | /**
230 | * Returns the current text inside the circle progress bar.
231 | * @return text inside the circle progress bar or null if there's no
232 | * text set
233 | */
234 | public String getText() {
235 | if (mText == null) {
236 | return Integer.toString(mValue);
237 | }
238 | return mText;
239 | }
240 |
241 | /**
242 | * Sets the color of the text inside circle progress bar.
243 | * @param color text color
244 | */
245 | public void setTextColor(int color) {
246 | mTextColor = color;
247 | mTextPaint.setColor(mTextColor);
248 | invalidate();
249 | }
250 |
251 | /**
252 | * Returns the color of the text inside the circle progress bar.
253 | * @return color of the circle progress bar
254 | */
255 | public int getTextColor() {
256 | return mTextColor;
257 | }
258 |
259 | /**
260 | * Sets the size of the text inside the circle progress bar.
261 | * @param size text size
262 | */
263 | public void setTextSize(int size) {
264 | mTextSize = size;
265 | mTextPaint.setTextSize(size);
266 | invalidate();
267 | }
268 |
269 | /**
270 | * Returns the size of the text inside the circle progress bar.
271 | * @return text size
272 | */
273 | public int getTextSize() {
274 | return mTextSize;
275 | }
276 |
277 | /**
278 | * Sets the start angle of the progress circle. This corresponds to the point
279 | * in the circle where the drawing starts.
280 | * The angle {@code 0} corresponds to the rightmost point on the circle (if you
281 | * take a clock as reference, it'd be the 15 mins point).
282 | * If the start angle is negative or >= 360, the start angle is treated as start
283 | * angle modulo 360.
284 | * @param angle angle in degrees
285 | */
286 | public void setStartAngle(int angle) {
287 | mStartAngle = angle;
288 | invalidate();
289 | }
290 |
291 | /**
292 | * Returns the current start angle.
293 | * @return start angle
294 | */
295 | public int getStartAngle() {
296 | return mStartAngle;
297 | }
298 | }
299 |
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/LICENSE:
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1 |
2 | Apache License
3 | Version 2.0, January 2004
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