Allow checkmark widget to be resized to very small sizes

app/src/main/java/org/isoron/uhabits/views/CheckmarkWidgetView.java

@@ -23,6 +23,7 @@ import android.content.Context;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.util.AttributeSet;
+import android.util.TypedValue;
 import android.widget.TextView;
 
 import org.isoron.uhabits.R;
@@ -40,7 +41,6 @@ public class CheckmarkWidgetView extends HabitWidgetView implements HabitDataVie
     @Nullable
     private String name;
 
-    @Nullable
     private RingView ring;
     private TextView label;
     private int checkmarkValue;
@@ -147,8 +147,22 @@ public class CheckmarkWidgetView extends HabitWidgetView implements HabitDataVie
         w *= scale;
         h *= scale;
 
+        if(h < getResources().getDimension(R.dimen.checkmarkWidget_heightBreakpoint))
+            ring.setVisibility(GONE);
+        else
+            ring.setVisibility(VISIBLE);
+
         widthMeasureSpec = MeasureSpec.makeMeasureSpec((int) w, MeasureSpec.EXACTLY);
         heightMeasureSpec = MeasureSpec.makeMeasureSpec((int) h, MeasureSpec.EXACTLY);
+
+        float textSize = 0.15f * h;
+        float maxTextSize = getResources().getDimension(R.dimen.smallerTextSize);
+        textSize = Math.min(textSize, maxTextSize);
+
+        label.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
+        ring.setTextSize(textSize);
+        ring.setThickness(0.15f * textSize);
+
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     }
 

app/src/main/java/org/isoron/uhabits/views/RingView.java

@@ -109,6 +109,11 @@ public class RingView extends View
         postInvalidate();
     }
 
+    public void setTextSize(float textSize)
+    {
+        this.textSize = textSize;
+    }
+
     @Override
     public void setBackgroundColor(int backgroundColor)
     {

app/src/main/res/values/dimens.xml

@@ -26,7 +26,9 @@
     <dimen name="history_max_font_size">@dimen/regularTextSize</dimen>
     <dimen name="regularTextSize">16sp</dimen>
     <dimen name="smallTextSize">14sp</dimen>
+    <dimen name="smallerTextSize">12sp</dimen>
     <dimen name="tinyTextSize">10sp</dimen>
     <dimen name="habitNameWidth">160dp</dimen>
     <dimen name="progressbarOffset">-10dp</dimen>
+    <dimen name="checkmarkWidget_heightBreakpoint">55dp</dimen>
 </resources>