PawletOS/app_Settings
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update the donut view to handle new string.

Browse Source 
Change-Id: Idb5cec6d8169f3d229375faecc4bf96501481112
Fixes: 36224266
Test: Manually verified
This commit is contained in:
Daniel Nishi
2017-03-21 13:32:13 -07:00
parent ae2850aea5
commit 5959c9279e
2 changed files with 37 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
src/com/android/settings/widget/DonutView.java
View File

@@ -22,20 +22,25 @@ import android.text.TextPaint;
import android.util.AttributeSet;
import android.view.View;
import com.android.internal.util.Preconditions;
import com.android.settings.R;
import com.android.settings.Utils;
/**
* DonutView represents a donut graph. It visualizes a certain percentage of fullness with a
* corresponding label with the fullness on the inside (i.e. "50%" inside of the donut.
* corresponding label with the fullness on the inside (i.e. "50%" inside of the donut).
*/
public class DonutView extends View {
private static final int TOP = -90;
private float mStrokeWidth;
private float mDeviceDensity;
private int mPercent;
private Paint mBackgroundCircle;
private Paint mFilledArc;
private TextPaint mTextPaint;
private TextPaint mBigNumberPaint;
private String mPercentString;
private String mFullString;
public DonutView(Context context) {
super(context);
@@ -43,8 +48,8 @@ public class DonutView extends View {
public DonutView(Context context, AttributeSet attrs) {
super(context, attrs);
float density = getResources().getDisplayMetrics().density;
mStrokeWidth = 6f * density;
mDeviceDensity = getResources().getDisplayMetrics().density;
mStrokeWidth = 6f * mDeviceDensity;
mBackgroundCircle = new Paint();
mBackgroundCircle.setAntiAlias(true);
@@ -63,28 +68,43 @@ public class DonutView extends View {
mTextPaint = new TextPaint();
mTextPaint.setColor(Utils.getColorAccent(getContext()));
mTextPaint.setAntiAlias(true);
mTextPaint.setTextSize(18f * density);
mTextPaint.setTextSize(14f * mDeviceDensity);
mTextPaint.setTextAlign(Paint.Align.CENTER);
mBigNumberPaint = new TextPaint();
mBigNumberPaint.setColor(Utils.getColorAccent(getContext()));
mBigNumberPaint.setAntiAlias(true);
mBigNumberPaint.setTextSize(30f * mDeviceDensity);
mBigNumberPaint.setTextAlign(Paint.Align.CENTER);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
drawDonut(canvas);
drawInnerText(canvas);
}
private void drawDonut(Canvas canvas) {
canvas.drawArc(0 + mStrokeWidth, 0 + mStrokeWidth, getWidth() - mStrokeWidth,
getHeight() - mStrokeWidth, TOP, 360, false, mBackgroundCircle);
canvas.drawArc(0 + mStrokeWidth, 0 + mStrokeWidth, getWidth() - mStrokeWidth,
getHeight() - mStrokeWidth, TOP, (360 * mPercent / 100), false, mFilledArc);
}
int centerX = getWidth() / 2;
int centerY = getHeight() / 2;
private void drawInnerText(Canvas canvas) {
final float centerX = getWidth() / 2;
final float centerY = getHeight() / 2;
final float totalHeight = getTextHeight(mTextPaint) + getTextHeight(mBigNumberPaint);
final float startY = centerY + totalHeight / 2;
String percentString =
String.format(getContext().getString(R.string.storage_percent_used), mPercent);
// drawText uses the Y dimension as the floor of the text, so we do this to center.
canvas.drawText(percentString, centerX,
centerY + getTextHeight(mTextPaint) / 2 - mTextPaint.descent(),
mTextPaint);
// The first line is the height of the bottom text + its descender above the bottom line.
canvas.drawText(mPercentString, centerX,
startY - getTextHeight(mTextPaint) - mBigNumberPaint.descent(),
mBigNumberPaint);
// The second line starts at the bottom + room for the descender.
canvas.drawText(mFullString, centerX, startY - mTextPaint.descent(), mTextPaint);
}
/**
@@ -92,6 +112,8 @@ public class DonutView extends View {
*/
public void setPercentage(int percent) {
mPercent = percent;
mPercentString = Utils.formatPercentage(mPercent);
mFullString = getContext().getString(R.string.storage_percent_full);
invalidate();
}