Some progress

app/src/main/res/layout/activity_main.xml

@@ -6,7 +6,7 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <com.ritwik.ratingtrendlib.Rating
+    <com.ritwik.ratingtrendlib.RatingTrendView
         android:layout_width="30dp"
         android:layout_height="30dp"/>
 

ratingtrendlib/src/main/java/com/ritwik/ratingtrendlib/Rating.java

@@ -1,147 +1,26 @@
 package com.ritwik.ratingtrendlib;
 
 import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.graphics.RectF;
-import android.util.AttributeSet;
-import android.view.View;
 
-import androidx.annotation.Nullable;
+public class Rating {
 
-public class Rating extends View {
-    /*Default values*/
-    private static final float DEFAULT_STROKE_WIDTH = 4f;
-    private static final float DEFAULT_FONT_SIZE = 4f;
+    private int mValue;
+    private int mStrokeColor;
+    private int mFillColor;
+    private Context mContext;
 
-    private static final int DEFAULT_STROKE_COLOR = 0xFF305D02;
-    private static final int DEFAULT_RATE_VALUE = 5;
-    private static final float DEFAULT_CORNER_RADIUS = 2f;
+    public Rating(int value) {
+        this.mValue = value;
 
 
 
-    /***
-     * User defined values
-     */
-    private int mWidth;
-    private int mHeight;
-
-    private Paint mStrokePaint;
-    private Paint mFillPaint;
-    private int mRateValue = DEFAULT_RATE_VALUE;
-    private float mStrokeWidth = DEFAULT_STROKE_WIDTH;
-    private int mStrokeColor = DEFAULT_STROKE_COLOR;
-    private int mFillColor = DEFAULT_STROKE_COLOR;
-    private float mFontSize = DEFAULT_FONT_SIZE;
-    private float mCornerRadius = DEFAULT_CORNER_RADIUS;
-
-
-
-    public Rating(Context context) {
-        this(context, null);
-    }
-
-    public Rating(Context context, @Nullable AttributeSet attrs) {
-        this(context, attrs, 0);
-    }
-
-    public Rating(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-        initPaints();
-    }
-
-    /***
-     * Initializing user defined values
-     *
-     * @param context :
-     * @param attrs :
-     */
-    private void initAttrs(Context context, AttributeSet attrs){
-
-    }
-
-    public void initPaints(){
-
-
-        mFillPaint = new Paint();
-        mFillPaint.setColor(getResources().getColor(R.color.red));
-        mFillPaint.setAntiAlias(true);
-        mFillPaint.setStyle(Paint.Style.FILL);
-
-        mStrokePaint = new Paint();
-        mStrokePaint.setAntiAlias(true);
-        mStrokePaint.setStyle(Paint.Style.STROKE);
-        mStrokePaint.setColor(mStrokeColor);
-        mStrokePaint.setStrokeWidth(mStrokeWidth);
-
-    }
-
-    private int getDefaultWidth(){
-
-        return 20;
-    }
-    private int getDefaultHeight(){
-        return 20;
     }
 
-    private int getExpectSize(int size, int measureSpec){
+    private int getAppropriateStrokeColor(int value){
+        int color = 0xff000000;
+        switch (value){
 
-        int result = size;
-        int specMode = MeasureSpec.getMode(measureSpec);
-        int specSize = MeasureSpec.getSize(measureSpec);
-
-        switch (specMode) {
-            case MeasureSpec.EXACTLY:
-                result = specSize;
-                break;
-            case MeasureSpec.UNSPECIFIED:
-                result = size;
-                break;
-            case MeasureSpec.AT_MOST:
-                result = Math.min(size, specSize);
-                break;
-            default:
-                break;
         }
-        return result;
-
-    }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        int defWidth = getDefaultWidth();
-        int defHeight = getDefaultHeight();
-        setMeasuredDimension(getExpectSize(defWidth, widthMeasureSpec),
-                getExpectSize(defHeight, heightMeasureSpec));
-    }
-
-    /***
-     * @deprecated  {@link #DEFAULT_FONT_SIZE}
-     * @param canvas
-     */
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-
-        super.onDraw(canvas);
-
-        float left = mStrokeWidth * 0.5f;
-        float top = mStrokeWidth * 0.5f;
-        float right = getWidth() - mStrokeWidth * 0.5f;
-        float bottom = getHeight() - mStrokeWidth * 0.5f;
-
-        canvas.drawRoundRect(new RectF(left, top, right, bottom),
-                20, 20, mStrokePaint);
-
-
-
-    }
-
-    @Override
-    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
-        super.onSizeChanged(w, h, oldw, oldh);
-        mWidth = getMeasuredWidth();
-        mHeight = getMeasuredHeight();
+        return color;
     }
 }

ratingtrendlib/src/main/java/com/ritwik/ratingtrendlib/RatingTrendView.java

@@ -0,0 +1,149 @@
+package com.ritwik.ratingtrendlib;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.RectF;
+import android.util.AttributeSet;
+import android.view.View;
+
+import androidx.annotation.Nullable;
+
+public class RatingTrendView extends View {
+    /*Default values*/
+    private static final float DEFAULT_STROKE_WIDTH = 4f;
+    private static final float DEFAULT_FONT_SIZE = 4f;
+
+    private static final int DEFAULT_STROKE_COLOR = 0xFF305D02;
+    private static final int DEFAULT_RATE_VALUE = 5;
+    private static final float DEFAULT_CORNER_RADIUS = 2f;
+
+
+
+    /***
+     * User defined values
+     */
+    private int mWidth;
+    private int mHeight;
+
+    private int[] mRatingSequence;
+
+
+    private Paint mStrokePaint;
+    private Paint mFillPaint;
+    private float mStrokeWidth = DEFAULT_STROKE_WIDTH;
+    private int mStrokeColor = DEFAULT_STROKE_COLOR;
+    private int mFillColor = DEFAULT_STROKE_COLOR;
+    private float mFontSize = DEFAULT_FONT_SIZE;
+    private float mCornerRadius = DEFAULT_CORNER_RADIUS;
+
+
+
+    public RatingTrendView(Context context) {
+        this(context, null);
+    }
+
+    public RatingTrendView(Context context, @Nullable AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    //Focus on this constructor
+    public RatingTrendView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        initAttrs(context, attrs);
+        initPaints();
+    }
+
+    /***
+     * Initializing user defined values
+     *
+     * @param context :
+     * @param attrs :
+     */
+    private void initAttrs(Context context, AttributeSet attrs){
+
+    }
+
+    public void initPaints(){
+
+
+        mFillPaint = new Paint();
+        mFillPaint.setAntiAlias(true);
+        mFillPaint.setStyle(Paint.Style.FILL);
+
+        mStrokePaint = new Paint();
+        mStrokePaint.setAntiAlias(true);
+        mStrokePaint.setStyle(Paint.Style.STROKE);
+        mStrokePaint.setColor(mStrokeColor);
+        mStrokePaint.setStrokeWidth(mStrokeWidth);
+
+    }
+
+    private int getDefaultWidth(){
+
+        return 20;
+    }
+    private int getDefaultHeight(){
+        return 20;
+    }
+
+    private int getExpectSize(int size, int measureSpec){
+
+        int result = size;
+        int specMode = MeasureSpec.getMode(measureSpec);
+        int specSize = MeasureSpec.getSize(measureSpec);
+
+        switch (specMode) {
+            case MeasureSpec.EXACTLY:
+                result = specSize;
+                break;
+            case MeasureSpec.UNSPECIFIED:
+                result = size;
+                break;
+            case MeasureSpec.AT_MOST:
+                result = Math.min(size, specSize);
+                break;
+            default:
+                break;
+        }
+        return result;
+
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        int defWidth = getDefaultWidth();
+        int defHeight = getDefaultHeight();
+        setMeasuredDimension(getExpectSize(defWidth, widthMeasureSpec),
+                getExpectSize(defHeight, heightMeasureSpec));
+    }
+
+    /***
+     * @deprecated  {@link #DEFAULT_FONT_SIZE}
+     * @param canvas
+     */
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+
+        super.onDraw(canvas);
+
+        float left = mStrokeWidth * 0.5f;
+        float top = mStrokeWidth * 0.5f;
+        float right = getWidth() - mStrokeWidth * 0.5f;
+        float bottom = getHeight() - mStrokeWidth * 0.5f;
+
+        canvas.drawRoundRect(new RectF(left, top, right, bottom),
+                20, 20, mStrokePaint);
+
+
+
+    }
+
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        super.onSizeChanged(w, h, oldw, oldh);
+        mWidth = getMeasuredWidth();
+        mHeight = getMeasuredHeight();
+    }
+}

ratingtrendlib/src/main/res/values/attrs.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="RatingTrendView">
+        <attr name="rtv_oneStarBackgroundColor" format="color"/>
+        <attr name="rtv_oneStarStrokeColor" format="color"/>
+        <attr name="rtv_twoStarBackgroundColor" format="color"/>
+        <attr name="rtv_twoStarStrokeColor" format="color"/>
+        <attr name="rtv_threeStarBackgroundColor" format="color"/>
+        <attr name="rtv_threeStarStrokeColor" format="color"/>
+        <attr name="rtv_fourStarBackgroundColor" format="color"/>
+        <attr name="rtv_fourStarStrokeColor" format="color"/>
+        <attr name="rtv_fiveStarBackgroundColor" format="color"/>
+        <attr name="rtv_fiveStarStrokeColor" format="color"/>
+        <attr name="rtv_starIcon" format="reference"/>
+        <attr name="rtv_spacing" format="dimension"/>
+        <attr name="rtv_strokeWidth" format="dimension"/>
+    </declare-styleable>
+</resources>

ratingtrendlib/src/main/res/values/colors.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="red">#ff0000</color>
+    <color name="oneStarStroke">#ff0000</color>
+    <color name="oneStarFill">#ffff00</color>
 </resources>