Skip to content

Instantly share code, notes, and snippets.

@shercoder
Created January 7, 2017 20:08
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save shercoder/2e30e0a93519ca87915be79e6a83dee4 to your computer and use it in GitHub Desktop.
Save shercoder/2e30e0a93519ca87915be79e6a83dee4 to your computer and use it in GitHub Desktop.
Got this drawable helper from Filibe Bezerra. Pretty cool.
import android.content.Context;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.support.annotation.ColorRes;
import android.support.annotation.DrawableRes;
import android.support.annotation.NonNull;
import android.support.v4.content.ContextCompat;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
/**
* {@link Drawable} helper class.
*
* @author Filipe Bezerra
* @version 18/01/2016
* @since 18/01/2016
*/
public class DrawableHelper {
@NonNull Context mContext;
@ColorRes private int mColor;
private Drawable mDrawable;
private Drawable mWrappedDrawable;
public DrawableHelper(@NonNull Context context) {
mContext = context;
}
public static DrawableHelper withContext(@NonNull Context context) {
return new DrawableHelper(context);
}
public DrawableHelper withDrawable(@DrawableRes int drawableRes) {
mDrawable = ContextCompat.getDrawable(mContext, drawableRes);
return this;
}
public DrawableHelper withDrawable(@NonNull Drawable drawable) {
mDrawable = drawable;
return this;
}
public DrawableHelper withColor(@ColorRes int colorRes) {
mColor = ContextCompat.getColor(mContext, colorRes);
return this;
}
public DrawableHelper tint() {
if (mDrawable == null) {
throw new NullPointerException("É preciso informar o recurso drawable pelo método withDrawable()");
}
if (mColor == 0) {
throw new IllegalStateException("É necessário informar a cor a ser definida pelo método withColor()");
}
mWrappedDrawable = mDrawable.mutate();
mWrappedDrawable = DrawableCompat.wrap(mWrappedDrawable);
DrawableCompat.setTint(mWrappedDrawable, mColor);
DrawableCompat.setTintMode(mWrappedDrawable, PorterDuff.Mode.SRC_IN);
return this;
}
@SuppressWarnings("deprecation")
public void applyToBackground(@NonNull View view) {
if (mWrappedDrawable == null) {
throw new NullPointerException("É preciso chamar o método tint()");
}
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
view.setBackground(mWrappedDrawable);
} else {
view.setBackgroundDrawable(mWrappedDrawable);
}
}
public void applyTo(@NonNull ImageView imageView) {
if (mWrappedDrawable == null) {
throw new NullPointerException("É preciso chamar o método tint()");
}
imageView.setImageDrawable(mWrappedDrawable);
}
public void applyTo(@NonNull MenuItem menuItem) {
if (mWrappedDrawable == null) {
throw new NullPointerException("É preciso chamar o método tint()");
}
menuItem.setIcon(mWrappedDrawable);
}
public Drawable get() {
if (mWrappedDrawable == null) {
throw new NullPointerException("É preciso chamar o método tint()");
}
return mWrappedDrawable;
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment