Circle Shape For Viewpager
Hi i have a relative layout with a viewpager.
Solution 1:
use below class as parent in xml,
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.widget.FrameLayout;
publicclassRoundedCornerLayoutextendsFrameLayout
{
privatefinalstaticfloatCORNER_RADIUS=100.0f;
private Bitmap maskBitmap;
private Paint paint, maskPaint;
privatefloat cornerRadius;
publicRoundedCornerLayout(Context context)
{
super(context);
init(context, null, 0);
}
publicRoundedCornerLayout(Context context, AttributeSet attrs)
{
super(context, attrs);
init(context, attrs, 0);
}
publicRoundedCornerLayout(Context context, AttributeSet attrs, int defStyle)
{
super(context, attrs, defStyle);
init(context, attrs, defStyle);
}
privatevoidinit(Context context, AttributeSet attrs, int defStyle)
{
pain_border = newPaint();
pain_border.setFlags(Paint.ANTI_ALIAS_FLAG);
pain_border.setColor(Color.WHITE);
pain_border.setStyle(android.graphics.Paint.Style.STROKE);
pain_border.setStrokeWidth(6);
paint_inside_background = newPaint();
paint_inside_background.setColor(Color.parseColor("#686868"));
DisplayMetricsmetrics= context.getResources().getDisplayMetrics();
cornerRadius = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, CORNER_RADIUS, metrics);
paint = newPaint(Paint.ANTI_ALIAS_FLAG);
maskPaint = newPaint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
maskPaint.setXfermode(newPorterDuffXfermode(PorterDuff.Mode.CLEAR));
setWillNotDraw(false);
}
Paint pain_border;
Paint paint_inside_background;
@Overridepublicvoiddraw(Canvas canvas)
{
BitmapoffscreenBitmap= Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Bitmap.Config.ARGB_8888);
CanvasoffscreenCanvas=newCanvas(offscreenBitmap);
super.draw(offscreenCanvas);
if (maskBitmap == null)
{
maskBitmap = createMask(canvas.getWidth(), canvas.getHeight());
}
canvas.drawCircle(maskBitmap.getWidth() / 2, maskBitmap.getHeight() / 2, maskBitmap.getWidth() / 2, paint_inside_background);
offscreenCanvas.drawBitmap(maskBitmap, 0f, 0f, maskPaint);
canvas.drawBitmap(offscreenBitmap, 0f, 0f, paint);
canvas.drawCircle((maskBitmap.getWidth() / 2), (maskBitmap.getHeight() / 2), (maskBitmap.getWidth() - 6) / 2, pain_border);
}
private Bitmap createMask(int width, int height)
{
Bitmapmask= Bitmap.createBitmap(width, height, Bitmap.Config.ALPHA_8);
Canvascanvas=newCanvas(mask);
Paintpaint=newPaint(Paint.ANTI_ALIAS_FLAG);
paint.setColor(Color.WHITE);
canvas.drawRect(0, 0, width, height, paint);
paint.setXfermode(newPorterDuffXfermode(PorterDuff.Mode.CLEAR));
canvas.drawRoundRect(newRectF(0, 0, width, height), cornerRadius, cornerRadius, paint);
return mask;
}
}
make sure you have to use dp instead of px to better performance.
Solution 2:
try this:
create a file oval.xml in the drawable folder.
<shapexmlns:android="http://schemas.android.com/apk/res/android"android:shape="oval"><solidandroid:color="@color/transparent" /></shape>
use this drawable as background for your view:
<android.support.v4.view.ViewPager
android:id="@+id/pager"android:overScrollMode="never"android:layout_width="fill_parent"android:layout_height="fill_parent"android:background="@android:drawable/oval"/>
Post a Comment for "Circle Shape For Viewpager"