open-keychain/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/ResourceUtils.java
2018-06-21 19:21:41 +02:00

30 lines
1.2 KiB
Java

package org.sufficientlysecure.keychain.util;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.support.annotation.DrawableRes;
import android.support.annotation.NonNull;
import android.support.v4.content.ContextCompat;
public class ResourceUtils {
public static Bitmap getDrawableAsNotificationBitmap(@NonNull Context context, @DrawableRes int iconRes) {
Drawable iconDrawable = ContextCompat.getDrawable(context, iconRes);
if (iconDrawable == null) {
return null;
}
Resources resources = context.getResources();
int largeIconWidth = resources.getDimensionPixelSize(android.R.dimen.notification_large_icon_width);
int largeIconHeight = resources.getDimensionPixelSize(android.R.dimen.notification_large_icon_height);
Bitmap b = Bitmap.createBitmap(largeIconWidth, largeIconHeight, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
iconDrawable.setBounds(0, 0, largeIconWidth, largeIconHeight);
iconDrawable.draw(c);
return b;
}
}