Allow setting font for progress text

README.md

@@ -61,6 +61,7 @@ Add view to your layout:
         app:startAngle="270"
         app:textColor="#fffc59"
         app:textSize="14sp"
+        app:textFont="@font/open_sans"
         app:fillBackground="false"
         app:gradientType="linear"
         app:gradientEndColor="@color/colorAccent" />
@@ -105,6 +106,7 @@ circularProgress.getMaxProgress() // returns 10000
 |  Dot width                                                                                                                                          | `app:dotWidth`                       | setters: `setDotWidthDp(widthInDp)` or `setDotWidthPx(widthInPx)`<br/>getter: `getDotWidth()` (returns width in pixels)                                                                  | same as progress stroke width |
 |  Progress text size                                                                                                                                 | `app:textSize`                       | setters: `setTextSizeSp(sizeInSp)` or `setTextSizePx(sizeInPx)`<br/>getter: `getTextSize()` (returns size in pixels)                                                                     | `24sp`                        |
 |  Progress text color                                                                                                                                | `app:textColor`                      | setter: `setTextColor(textColor)`<br/>getter: `getTextColor()`                                                                                                                           | same as progress color        |
+|  Progress text font                                                                                                                                 | `app:textFont`                       | setter: `setTextFont(typeface)`<br/>getter: `getTextFont()`                                                                                                                              | System default font (Roboto)  |
 |  Formatting pattern to be used in `PatternProgressTextAdapter`. Checkout [Formatting progress text](#formatting-progress-text) section.             | `app:formattingPattern`              | setter: `setProgressTextAdapter(progressTextAdapter)`<br/>getter: `getProgressTextAdapter()`                                                                                             | not specified                 |
 |  Direction of the progress arc (`clockwise` or `counterclockwise`)                                                                                  | `app:direction`                      | setter: `setDirection(direction)`<br/>getter: `getDirection()`                                                                                                                           | `counterclockwise`            |
 |  Start angle. Checkout [Start angle](#setting-start-angle) section.                                                                                 | `app:startAngle`                     | setter: `setStartAngle(startAngle)`<br/>getter: `getStartAngle()`                                                                                                                        | `270`                         |

circularprogressindicator/build.gradle

@@ -24,4 +24,5 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'com.android.support:support-annotations:27.1.1'
+    implementation 'com.android.support:support-compat:27.1.1'
 }

circularprogressindicator/src/main/java/antonkozyriatskyi/circularprogressindicator/CircularProgressIndicator.java

@@ -6,6 +6,7 @@
 import android.animation.ValueAnimator;
 import android.annotation.TargetApi;
 import android.content.Context;
+import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Color;
@@ -17,13 +18,15 @@
 import android.graphics.RectF;
 import android.graphics.Shader;
 import android.graphics.SweepGradient;
+import android.graphics.Typeface;
 import android.os.Build;
 import android.support.annotation.ColorInt;
 import android.support.annotation.Dimension;
 import android.support.annotation.IntDef;
 import android.support.annotation.IntRange;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.content.res.ResourcesCompat;
 import android.text.TextPaint;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
@@ -83,6 +86,18 @@ public class CircularProgressIndicator extends View {
     private float textX;
     private float textY;
 
+    private ResourcesCompat.FontCallback fontCallback = new ResourcesCompat.FontCallback() {
+        @Override
+        public void onFontRetrieved(@NonNull Typeface typeface) {
+            setTextFont(typeface);
+        }
+
+        @Override
+        public void onFontRetrievalFailed(int reason) {
+
+        }
+    };
+
     private float radius;
 
     private boolean shouldDrawDot;
@@ -154,6 +169,17 @@ private void init(@NonNull Context context, @Nullable AttributeSet attrs) {
             textColor = a.getColor(R.styleable.CircularProgressIndicator_textColor, progressColor);
             textSize = a.getDimensionPixelSize(R.styleable.CircularProgressIndicator_textSize, textSize);
 
+            String fontPath = a.getString(R.styleable.CircularProgressIndicator_textFont);
+            if (fontPath != null && !fontPath.isEmpty()) {
+                try {
+                    int fontResourceId = a.getResourceId(R.styleable.CircularProgressIndicator_textFont, 0);
+                    if(fontResourceId != 0) {
+                        ResourcesCompat.getFont(getContext(), fontResourceId, fontCallback, null);
+                    }
+                } catch (Resources.NotFoundException ignored) {
+                }
+            }
+
             shouldDrawDot = a.getBoolean(R.styleable.CircularProgressIndicator_drawDot, true);
             dotColor = a.getColor(R.styleable.CircularProgressIndicator_dotColor, progressColor);
             dotWidth = a.getDimensionPixelSize(R.styleable.CircularProgressIndicator_dotWidth, progressStrokeWidth);
@@ -507,8 +533,7 @@ public void setProgressBackgroundStrokeWidthPx(@Dimension int strokeWidth) {
     public void setTextColor(@ColorInt int color) {
         textPaint.setColor(color);
 
-        Rect textRect = new Rect();
-        textPaint.getTextBounds(progressText, 0, progressText.length(), textRect);
+        Rect textRect = calculateTextBounds();
 
         invalidate(textRect);
     }
@@ -535,6 +560,14 @@ public void setTextSizePx(@Dimension int size) {
         invalidate(textBounds);
     }
 
+    public void setTextFont(Typeface font) {
+        textPaint.setTypeface(font);
+
+        Rect textRect = calculateTextBounds();
+
+        invalidate(textRect);
+    }
+
     public void setShouldDrawDot(boolean shouldDrawDot) {
         this.shouldDrawDot = shouldDrawDot;
 
@@ -607,6 +640,10 @@ public float getTextSize() {
         return textPaint.getTextSize();
     }
 
+    public Typeface getTextFont() {
+        return textPaint.getTypeface();
+    }
+
 
     public boolean isDotEnabled() {
         return shouldDrawDot;

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

@@ -9,6 +9,7 @@
 
         <attr name="textColor" format="color" />
         <attr name="textSize" format="dimension" />
+        <attr name="textFont" format="string" />
 
         <attr name="formattingPattern" format="string|reference" />
 

example/src/main/AndroidManifest.xml

@@ -17,6 +17,9 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <meta-data
+            android:name="preloaded_fonts"
+            android:resource="@array/preloaded_fonts" />
     </application>
 
 </manifest>

example/src/main/java/antonkozyriatskyi/circularprogressindicatorexample/MainActivity.java

@@ -1,11 +1,15 @@
 package antonkozyriatskyi.circularprogressindicatorexample;
 
+import android.content.Context;
 import android.graphics.Color;
+import android.graphics.Typeface;
 import android.os.Bundle;
+import android.support.v4.content.res.ResourcesCompat;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.View;
 import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.CheckBox;
 import android.widget.CompoundButton;
@@ -17,6 +21,7 @@
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 
 import antonkozyriatskyi.circularprogressindicator.CircularProgressIndicator;
 
@@ -156,6 +161,44 @@ public void onItemSelected(AdapterView<?> parent, View view, int position, long
             public void onNothingSelected(AdapterView<?> parent) {
             }
         });
+
+        Spinner spinner = findViewById(R.id.sb_text_font);
+
+        final Context context = this;
+        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                switch (position) {
+                    case 0:
+                        circularProgress.setTextFont(Typeface.DEFAULT);
+                        break;
+                    case 1:
+                        circularProgress.setTextFont(ResourcesCompat.getFont(context, R.font.architects_daughter));
+                        break;
+                    case 2:
+                        circularProgress.setTextFont(ResourcesCompat.getFont(context, R.font.open_sans_light));
+                        break;
+                    case 3:
+                        circularProgress.setTextFont(ResourcesCompat.getFont(context, R.font.vt323));
+                        break;
+                }
+            }
+
+            @Override
+            public void onNothingSelected(AdapterView<?> parent) {
+            }
+        });
+
+        // Spinner Drop down elements
+        List<String> fonts = new ArrayList<String>();
+        fonts.add("Default");
+        fonts.add("Architects Daughter");
+        fonts.add("Open Sans Light");
+        fonts.add("VT323");
+
+        ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, fonts);
+        dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        spinner.setAdapter(dataAdapter);
     }
 
     @Override

example/src/main/res/font/architects_daughter.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<font-family xmlns:app="http://schemas.android.com/apk/res-auto"
+        app:fontProviderAuthority="com.google.android.gms.fonts"
+        app:fontProviderPackage="com.google.android.gms"
+        app:fontProviderQuery="Architects Daughter"
+        app:fontProviderCerts="@array/com_google_android_gms_fonts_certs"
+        app:fontProviderFetchStrategy="blocking">
+</font-family>

example/src/main/res/font/open_sans_light.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<font-family xmlns:app="http://schemas.android.com/apk/res-auto"
+        app:fontProviderAuthority="com.google.android.gms.fonts"
+        app:fontProviderPackage="com.google.android.gms"
+        app:fontProviderQuery="name=Open Sans&amp;weight=300"
+        app:fontProviderCerts="@array/com_google_android_gms_fonts_certs"
+        app:fontProviderFetchStrategy="blocking">
+</font-family>

example/src/main/res/font/vt323.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<font-family xmlns:app="http://schemas.android.com/apk/res-auto"
+        app:fontProviderAuthority="com.google.android.gms.fonts"
+        app:fontProviderPackage="com.google.android.gms"
+        app:fontProviderQuery="VT323"
+        app:fontProviderCerts="@array/com_google_android_gms_fonts_certs"
+        app:fontProviderFetchStrategy="blocking">
+</font-family>

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

@@ -57,6 +57,17 @@
                 android:min="8"
                 android:progress="24" />
 
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:text="Text font" />
+
+
+            <Spinner
+                android:id="@+id/sb_text_font"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" />
 
             <TextView
                 android:layout_width="wrap_content"

example/src/main/res/values/font_certs.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <array name="com_google_android_gms_fonts_certs">
+        <item>@array/com_google_android_gms_fonts_certs_dev</item>
+        <item>@array/com_google_android_gms_fonts_certs_prod</item>
+    </array>
+    <string-array name="com_google_android_gms_fonts_certs_dev">
+        <item>
+            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
+        </item>
+    </string-array>
+    <string-array name="com_google_android_gms_fonts_certs_prod">
+        <item>
+            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
+        </item>
+    </string-array>
+</resources>

example/src/main/res/values/preloaded_fonts.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <array name="preloaded_fonts" translatable="false">
+        <item>@font/architects_daughter</item>
+        <item>@font/open_sans_light</item>
+        <item>@font/vt323</item>
+    </array>
+</resources>