I'd like to create a rectangle shape with two solid colors (horizontally) to achieve something like this:
I heard about layer-list
, i though i could use it to contains two rectangle with a different color but it seems that it only lays shapes vertically.
Is there a way to achieve this using lalyer-list or should i use something totally different? I'd like to keep it simple with ability to change the shape colors at runtime.
Thanks.
You can create custom drawable for this. Just extend Drawable class.
Here is a sample code which draws a rectangle like you wanted, you can provide any number of colors.
public class ColorBarDrawable extends Drawable {
private int[] themeColors;
public ColorBarDrawable(int[] themeColors) {
this.themeColors = themeColors;
}
@Override
public void draw(Canvas canvas) {
// get drawable dimensions
Rect bounds = getBounds();
int width = bounds.right - bounds.left;
int height = bounds.bottom - bounds.top;
// draw background gradient
Paint backgroundPaint = new Paint();
int barWidth = width / themeColors.length;
int barWidthRemainder = width % themeColors.length;
for (int i = 0; i < themeColors.length; i++) {
backgroundPaint.setColor(themeColors[i]);
canvas.drawRect(i * barWidth, 0, (i + 1) * barWidth, height, backgroundPaint);
}
// draw remainder, if exists
if (barWidthRemainder > 0) {
canvas.drawRect(themeColors.length * barWidth, 0, themeColors.length * barWidth + barWidthRemainder, height, backgroundPaint);
}
}
@Override
public void setAlpha(int alpha) {
}
@Override
public void setColorFilter(ColorFilter cf) {
}
@Override
public int getOpacity() {
return PixelFormat.OPAQUE;
}
}
this will surely draw the shape as per your Requirement :
Adjust size of <item>
as you need !
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:left="50dip">
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<solid android:color="#0000FF" />
</shape>
</item>
<item android:right="50dip">
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<solid android:color="#ff0000" />
</shape>
</item>
</layer-list>
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