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Commit eaceb190 authored by Rajeev Kumar's avatar Rajeev Kumar
Browse files

Add custom attributes to DonutView. 

Note: These changes are required for Data balance UI.
Bug: 62349208
Test: Manual
Change-Id: I50f304580f681dc1461fb82d84ce0fede21b4b87
parent 250595ae

res/values/attrs.xml

+8 −0
Original line number Diff line number Diff line
@@ -171,4 +171,12 @@ 
        <attr name="android:gravity" />

    </declare-styleable>



    <!-- For DonutView -->

    <declare-styleable name="DonutView">

        <attr name="meterBackgroundColor" format="color" />

        <attr name="meterConsumedColor" format="color" />

        <attr name="applyColorAccent" format="boolean" />

        <attr name="showPercentString" format="boolean" />

        <attr name="thickness" format="dimension" />

    </declare-styleable>

</resources>

src/com/android/settings/widget/DonutView.java

+47 −12
Original line number Diff line number Diff line
@@ -17,16 +17,17 @@ package com.android.settings.widget; 


import android.content.Context;

import android.content.res.Resources;

import android.content.res.TypedArray;

import android.graphics.Canvas;

import android.graphics.ColorFilter;

import android.graphics.Paint;

import android.graphics.PorterDuff;

import android.graphics.PorterDuffColorFilter;

import android.graphics.Typeface;

import android.support.annotation.ColorRes;

import android.text.TextPaint;

import android.util.AttributeSet;

import android.view.View;



import com.android.settings.R;

import com.android.settings.Utils;
@@ -46,6 +47,7 @@ public class DonutView extends View { 
    private TextPaint mBigNumberPaint;

    private String mPercentString;

    private String mFullString;

    private boolean mShowPercentString = true;



    public DonutView(Context context) {

        super(context);
@@ -53,29 +55,50 @@ public class DonutView extends View { 


    public DonutView(Context context, AttributeSet attrs) {

        super(context, attrs);

        mStrokeWidth = context.getResources().getDimension(R.dimen.storage_donut_thickness);

        final ColorFilter mAccentColorFilter =

                new PorterDuffColorFilter(

                        Utils.getColorAttr(context, android.R.attr.colorAccent),

                        PorterDuff.Mode.SRC_IN);

        int meterBackgroundColor = context.getColor(R.color.meter_background_color);

        int meterConsumedColor = Utils.getDefaultColor(mContext, R.color.meter_consumed_color);

        boolean applyColorAccent = true;

        Resources resources = context.getResources();

        mStrokeWidth = resources.getDimension(R.dimen.storage_donut_thickness);



        if (attrs != null) {

            TypedArray styledAttrs = context.obtainStyledAttributes(attrs, R.styleable.DonutView);

            meterBackgroundColor = styledAttrs.getColor(R.styleable.DonutView_meterBackgroundColor,

                    meterBackgroundColor);

            meterConsumedColor = styledAttrs.getColor(R.styleable.DonutView_meterConsumedColor,

                    meterConsumedColor);

            applyColorAccent = styledAttrs.getBoolean(R.styleable.DonutView_applyColorAccent,

                    true);

            mShowPercentString = styledAttrs.getBoolean(R.styleable.DonutView_showPercentString,

                    true);

            mStrokeWidth = styledAttrs.getDimensionPixelSize(R.styleable.DonutView_thickness,

                    (int) mStrokeWidth);

            styledAttrs.recycle();

        }



        mBackgroundCircle = new Paint();

        mBackgroundCircle.setAntiAlias(true);

        mBackgroundCircle.setStrokeCap(Paint.Cap.BUTT);

        mBackgroundCircle.setStyle(Paint.Style.STROKE);

        mBackgroundCircle.setStrokeWidth(mStrokeWidth);

        mBackgroundCircle.setColorFilter(mAccentColorFilter);

        mBackgroundCircle.setColor(context.getColor(R.color.meter_background_color));

        mBackgroundCircle.setColor(meterBackgroundColor);



        mFilledArc = new Paint();

        mFilledArc.setAntiAlias(true);

        mFilledArc.setStrokeCap(Paint.Cap.BUTT);

        mFilledArc.setStyle(Paint.Style.STROKE);

        mFilledArc.setStrokeWidth(mStrokeWidth);

        mFilledArc.setColor(Utils.getDefaultColor(mContext, R.color.meter_consumed_color));

        mFilledArc.setColor(meterConsumedColor);



        if (applyColorAccent) {

            final ColorFilter mAccentColorFilter =

                    new PorterDuffColorFilter(

                            Utils.getColorAttr(context, android.R.attr.colorAccent),

                            PorterDuff.Mode.SRC_IN);

            mBackgroundCircle.setColorFilter(mAccentColorFilter);

            mFilledArc.setColorFilter(mAccentColorFilter);

        }



        Resources resources = context.getResources();

        mTextPaint = new TextPaint();

        mTextPaint.setColor(Utils.getColorAccent(getContext()));

        mTextPaint.setAntiAlias(true);
@@ -98,8 +121,10 @@ public class DonutView extends View { 
    protected void onDraw(Canvas canvas) {

        super.onDraw(canvas);

        drawDonut(canvas);

        if (mShowPercentString) {

            drawInnerText(canvas);

        }

    }



    private void drawDonut(Canvas canvas) {

        canvas.drawArc(
@@ -154,6 +179,16 @@ public class DonutView extends View { 
        invalidate();

    }



    public void setMeterBackgroundColor(@ColorRes int meterBackgroundColor) {

        mBackgroundCircle.setColor(meterBackgroundColor);

        invalidate();

    }



    public void setMeterConsumedColor(@ColorRes int meterConsumedColor) {

        mFilledArc.setColor(meterConsumedColor);

        invalidate();

    }



    private float getTextHeight(TextPaint paint) {

        // Technically, this should be the cap height, but I can live with the descent - ascent.

        return paint.descent() - paint.ascent();