Customizable Smiley: setMaxSmiley(from 1 to 5), setReverseSmiley(bool…

app/src/main/AndroidManifest.xml

@@ -31,6 +31,7 @@
 
         </activity>
         <activity android:name=".RecyclerViewExample" />
+        <activity android:name=".CustomSmileyActivity" />
 
     </application>
 

app/src/main/java/com/example/smilyrating/CustomSmileyActivity.java

@@ -0,0 +1,27 @@
+package com.example.smilyrating;
+
+import android.os.Bundle;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.hsalf.smileyrating.SmileyRating;
+
+/**
+ * This class is used for ...
+ *
+ * @autor MAO Hieng 3/30/2020
+ */
+public class CustomSmileyActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_customized_smiley);
+        SmileyRating rating = findViewById(R.id.smiley);
+
+        rating.setMaxSmiley(3);
+        rating.setReverseSmiley(true);
+        rating.setRating(1);
+    }
+}

app/src/main/java/com/example/smilyrating/MenuActivity.java

@@ -38,4 +38,8 @@ public void onClick(View v) {
         }
         startActivity(intent);
     }
+
+    public void clickStartCustomizedSmiley(View view) {
+        startActivity(new Intent(this, CustomSmileyActivity.class));
+    }
 }

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

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.hsalf.smileyrating.SmileyRating
+        android:id="@+id/smiley"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>

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

@@ -6,8 +6,8 @@
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:padding="20dp"
-        android:orientation="vertical">
+        android:orientation="vertical"
+        android:padding="20dp">
 
         <Button
             android:id="@+id/smiley_rating"
@@ -37,6 +37,13 @@
             android:gravity="center"
             android:text="Smiley Rating 2 list" />
 
+        <Button
+            android:layout_width="match_parent"
+            android:layout_height="70dp"
+            android:gravity="center"
+            android:onClick="clickStartCustomizedSmiley"
+            android:text="Customized Smiley" />
+
     </LinearLayout>
 
 </ScrollView>

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath 'com.android.tools.build:gradle:3.6.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

smilerating/src/main/java/com/hsalf/smileyrating/SmileyRating.java

@@ -14,6 +14,7 @@
 import android.graphics.Typeface;
 import android.text.TextPaint;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.animation.AccelerateDecelerateInterpolator;
@@ -29,6 +30,10 @@
 import com.hsalf.smileyrating.smileys.Terrible;
 import com.hsalf.smileyrating.smileys.base.Smiley;
 
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
 public class SmileyRating extends View implements TouchActiveIndicator {
 
     private static final String TAG = "SmileyRating";
@@ -45,10 +50,13 @@ public class SmileyRating extends View implements TouchActiveIndicator {
     private static final FloatEvaluator FLOAT_EVALUATOR = new FloatEvaluator();
     private static final FractionEvaluator FRACTION_EVALUATOR = new FractionEvaluator();
 
-    private Smiley[] mSmileys = new Smiley[]{
+    private static final Smiley[] sDefaultSmileys = new Smiley[]{
             new Terrible(), new Bad(), new Okay(), new Good(), new Great()
     };
 
+    private Smiley[] mSmileys = sDefaultSmileys;
+    private Smiley[] mOriginalSmileys;
+
     private Text[] mTitlePoints = new Text[]{
             new Text(), new Text(), new Text(), new Text(), new Text()
     };
@@ -282,6 +290,9 @@ private void setSmileyPosition(float pointX) {
 
         int index = (int) Math.floor(fraction / .202f);
 
+        if (index >= mSmileys.length)
+            index = mSmileys.length - 1;
+
         RectF holder = mPlaceHolders[index];
 
         int endIndex;
@@ -552,6 +563,38 @@ private void animateSmileyTo(RectF rectF) {
         mSlideAnimator.start();
     }
 
+    public void setSmileys(Smiley[] mSmileys) {
+        this.mSmileys = mSmileys;
+        mPlaceHolders = new RectF[mSmileys.length];
+        mPlaceHolderPaths = new Path[mSmileys.length];
+
+        invalidate();
+    }
+
+    public final void setMaxSmiley(int maxSmiley) {
+        if (maxSmiley > 0 && maxSmiley <= sDefaultSmileys.length) {
+            Smiley[] smilies = Arrays.copyOfRange(sDefaultSmileys, 0, maxSmiley);
+            setSmileys(smilies);
+        }
+    }
+
+    public final void setReverseSmiley(boolean reverse) {
+        if (mOriginalSmileys == null)
+            mOriginalSmileys = this.mSmileys;
+
+        Smiley[] smilies;
+        List<Smiley> newSmileys;
+        if (reverse) {
+            newSmileys = Arrays.asList(mOriginalSmileys);
+            Collections.reverse(newSmileys);
+            smilies = newSmileys.toArray(new Smiley[newSmileys.size()]);
+        } else {
+            smilies = mOriginalSmileys;
+        }
+
+        setSmileys(smilies);
+    }
+
     public void setRating(Type type) {
         setRating(type, false);
     }