Add methods that allow to tint the icons of list items.

Author: michael-rapp

library/src/main/java/de/mrapp/android/dialog/AbstractListDialog.java

@@ -15,6 +15,7 @@
 
 import android.content.Context;
 import android.content.res.ColorStateList;
+import android.graphics.PorterDuff;
 import android.graphics.Typeface;
 import android.os.Bundle;
 
@@ -91,6 +92,33 @@ public final Typeface getItemTypeface() {
  return decorator.getItemTypeface();
  }
 
+ @Nullable
+ @Override
+ public final ColorStateList getItemIconTintList() {
+ return decorator.getItemIconTintList();
+ }
+
+ @Override
+ public final void setItemIconTint(final int color) {
+ decorator.setItemIconTint(color);
+ }
+
+ @Override
+ public final void setItemIconTintList(@Nullable final ColorStateList tintList) {
+ decorator.setItemIconTintList(tintList);
+ }
+
+ @NonNull
+ @Override
+ public final PorterDuff.Mode getItemIconTintMode() {
+ return decorator.getItemIconTintMode();
+ }
+
+ @Override
+ public final void setItemIconTintMode(@NonNull final PorterDuff.Mode mode) {
+ decorator.setItemIconTintMode(mode);
+ }
+
  @Override
  public final void setItemTypeface(@NonNull final Typeface typeface) {
  decorator.setItemTypeface(typeface);

library/src/main/java/de/mrapp/android/dialog/adapter/ArrayRecyclerViewAdapter.java

@@ -16,6 +16,7 @@
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
+import android.graphics.PorterDuff;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.view.LayoutInflater;
@@ -28,6 +29,7 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.core.app.ActivityCompat;
+import androidx.core.graphics.drawable.DrawableCompat;
 import androidx.recyclerview.widget.RecyclerView;
 
 import de.mrapp.android.dialog.R;
@@ -100,6 +102,16 @@ public ViewHolder(@NonNull final View itemView) {
  */
  private Typeface itemTypeface;
 
+ /**
+ * The color state list, which is used to tint the adapter's list items.
+ */
+ private ColorStateList itemTintList;
+
+ /**
+ * The mode, which is used to tint the adapter's list items.
+ */
+ private PorterDuff.Mode itemTintMode = PorterDuff.Mode.SRC_ATOP;
+
  /**
  * Adapts the padding of a list item.
  *
@@ -152,6 +164,12 @@ private void adaptIcon(@NonNull final ViewHolder holder, final int position) {
  if (imageView != null) {
  Context context = imageView.getContext();
  Drawable icon = ActivityCompat.getDrawable(context, iconResourceIds[position]);
+
+ if (icon != null) {
+ DrawableCompat.setTintList(icon, itemTintList);
+ DrawableCompat.setTintMode(icon, itemTintMode);
+ }
+
  imageView.setImageDrawable(icon);
  }
  }
@@ -227,6 +245,29 @@ public void setItemTypeface(@NonNull final Typeface typeface) {
  notifyDataSetChanged();
  }
 
+ /**
+ * Sets the color state list, which should be used to tint the adapter's items.
+ *
+ * @param colorStateList The color state list, which should be set, as an instance of the class
+ * {@link ColorStateList} or null, if the items should not be tinted
+ */
+ public void setItemIconTintList(@Nullable final ColorStateList colorStateList) {
+ this.itemTintList = colorStateList;
+ notifyDataSetChanged();
+ }
+
+ /**
+ * Sets the mode, which should be used to tint the adapter's items.
+ *
+ * @param mode The mode, which should be set, as a value of the enum {@link PorterDuff.Mode}.
+ * The mode may not be null
+ */
+ public void setItemIconTintMode(@NonNull final PorterDuff.Mode mode) {
+ Condition.INSTANCE.ensureNotNull(mode, "The tint mode may not be null");
+ this.itemTintMode = mode;
+ notifyDataSetChanged();
+ }
+
  @Override
  public final int getItemCount() {
  return items.length;

library/src/main/java/de/mrapp/android/dialog/builder/AbstractListDialogBuilder.java

@@ -17,6 +17,7 @@
 import android.content.DialogInterface;
 import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
+import android.graphics.PorterDuff;
 import android.graphics.Typeface;
 import android.widget.ListAdapter;
 
@@ -138,6 +139,50 @@ public final BuilderType setItemTypeface(@NonNull final Typeface typeface) {
  return self();
  }
 
+ /**
+ * Sets the color, which should be used to tint the icons of the list items of the dialog, which
+ * is created by the builder.
+ *
+ * @param color
+ * The color, which should be set, as an {@link Integer} value
+ * @return The builder, the method has been called upon, as an instance of the generic type
+ * BuilderType
+ */
+ public final BuilderType setItemIconTint(@ColorInt final int color) {
+ getProduct().setItemIconTint(color);
+ return self();
+ }
+
+ /**
+ * Sets the color state list, which should be used to tint the icons of the list items of the
+ * dialog, which is created by the builder.
+ *
+ * @param tintList
+ * The color state list, which should be set, as an instance of the class {@link
+ * ColorStateList} or null, if no color state list should be set
+ * @return The builder, the method has been called upon, as an instance of the generic type
+ * BuilderType
+ */
+ public final BuilderType setItemIconTintList(@Nullable final ColorStateList tintList) {
+ getProduct().setItemIconTintList(tintList);
+ return self();
+ }
+
+ /**
+ * Sets the mode, which should be used to tint the icons of the list items of the dialog, which
+ * is created by the builder.
+ *
+ * @param mode
+ * The mode, which should be set, as a value of the enum {@link PorterDuff.Mode}. The
+ * mode may not be null
+ * @return The builder, the method has been called upon, as an instance of the generic type
+ * BuilderType
+ */
+ public final BuilderType setItemIconTintMode(@NonNull final PorterDuff.Mode mode) {
+ getProduct().setItemIconTintMode(mode);
+ return self();
+ }
+
  /**
  * Sets, whether the list item at a specific position of the dialog, which is created by the
  * builder, should be checked, or not.

library/src/main/java/de/mrapp/android/dialog/decorator/ListDialogDecorator.java

@@ -15,6 +15,7 @@
 
 import android.content.DialogInterface;
 import android.content.res.ColorStateList;
+import android.graphics.PorterDuff;
 import android.graphics.Typeface;
 import android.os.Bundle;
 import android.view.LayoutInflater;
@@ -112,15 +113,25 @@ public class ListDialogDecorator extends AbstractDialogDecorator<ButtonBarDialog
  private boolean inflatedCustomView;
 
  /**
- * The color of the list items of the dialog.
+ * The text color of the dialog's list items.
  */
  private ColorStateList itemColor;
 
  /**
- * The typeface of the list items of the dialog.
+ * The typeface of the dialog's list items.
  */
  private Typeface itemTypeface;
 
+ /**
+ * The color state list, which is used to tint the icons of the dialog's list items.
+ */
+ private ColorStateList itemIconTintList;
+
+ /**
+ * The mode, which is used to tint the icons of the dialog's list items.
+ */
+ private PorterDuff.Mode itemIconTintMode = PorterDuff.Mode.SRC_ATOP;
+
  /**
  * The adapter, which is used to manage the list items of the dialog.
  */
@@ -209,6 +220,8 @@ private void attachAdapter() {
  initializeSelectionListener();
  adaptItemColor();
  adaptItemTypeface();
+ adaptItemIconTintList();
+ adaptItemIconTintMode();
  } else {
  if (inflatedCustomView) {
  getDialog().setView(null);
@@ -302,6 +315,32 @@ private void adaptItemTypeface() {
  }
  }
 
+ /**
+ * Adapts the color state list, which is used to tint the icons of the dialog's list items.
+ */
+ private void adaptItemIconTintList() {
+ if (adapter != null) {
+ RecyclerView.Adapter<?> wrappedAdapter = adapter.getWrappedAdapter();
+
+ if (wrappedAdapter instanceof ArrayRecyclerViewAdapter) {
+ ((ArrayRecyclerViewAdapter) wrappedAdapter).setItemIconTintList(itemIconTintList);
+ }
+ }
+ }
+
+ /**
+ * Adapts the mode, which is used to tint the icons of the dialog's list items.
+ */
+ private void adaptItemIconTintMode() {
+ if (adapter != null) {
+ RecyclerView.Adapter<?> wrappedAdapter = adapter.getWrappedAdapter();
+
+ if (wrappedAdapter instanceof ArrayRecyclerViewAdapter) {
+ ((ArrayRecyclerViewAdapter) wrappedAdapter).setItemIconTintMode(itemIconTintMode);
+ }
+ }
+ }
+
  /**
  * Creates a new decorator, which allows to modify the view hierarchy of a dialog, which is
  * designed according to Android 5's Material Design guidelines even on pre-Lollipop devices and
@@ -355,6 +394,36 @@ public final Typeface getItemTypeface() {
  return itemTypeface;
  }
 
+ @Nullable
+ @Override
+ public final ColorStateList getItemIconTintList() {
+ return itemIconTintList;
+ }
+
+ @Override
+ public final void setItemIconTint(@ColorInt final int color) {
+ setItemIconTintList(ColorStateList.valueOf(color));
+ }
+
+ @Override
+ public final void setItemIconTintList(@Nullable final ColorStateList tintList) {
+ this.itemIconTintList = tintList;
+ adaptItemIconTintList();
+ }
+
+ @NonNull
+ @Override
+ public final PorterDuff.Mode getItemIconTintMode() {
+ return itemIconTintMode;
+ }
+
+ @Override
+ public final void setItemIconTintMode(@NonNull final PorterDuff.Mode mode) {
+ Condition.INSTANCE.ensureNotNull(mode, "The tint mode may not be null");
+ this.itemIconTintMode = mode;
+ adaptItemIconTintMode();
+ }
+
  @Override
  public final int getItemCount() {
  return adapter != null ? adapter.getItemCount() : 0;

library/src/main/java/de/mrapp/android/dialog/model/ListDialogDecorator.java

@@ -15,6 +15,7 @@
 
 import android.content.DialogInterface;
 import android.content.res.ColorStateList;
+import android.graphics.PorterDuff;
 import android.graphics.Typeface;
 
 import androidx.annotation.ArrayRes;
@@ -95,6 +96,50 @@ public interface ListDialogDecorator extends Dialog {
  @Nullable
  Typeface getItemTypeface();
 
+ /**
+ * Returns the color state list, which is used to tint the icons of the dialog's list items.
+ *
+ * @return The color state list, which is used to tint the icons of the dialog's list items, as
+ * an instance of the class {@link ColorStateList} or null, if no color state list has been set
+ */
+ @Nullable
+ ColorStateList getItemIconTintList();
+
+ /**
+ * Sets the color, which should be used to tint the icons of the dialog's list items.
+ *
+ * @param color
+ * The color, which should be set, as an {@link Integer} value
+ */
+ void setItemIconTint(@ColorInt int color);
+
+ /**
+ * Sets the color state list, which should be used to tint the icons of the dialog's list items.
+ *
+ * @param tintList
+ * The color state list, which should be set, as an instance of the class {@link
+ * ColorStateList} or null, if no color state list should be set
+ */
+ void setItemIconTintList(@Nullable ColorStateList tintList);
+
+ /**
+ * Returns the mode, which is used to tint the icons of the dialog's list items.
+ *
+ * @return The mode, which is used to tint the icons of the dialog's list items, as a value of
+ * the enum {@link PorterDuff.Mode}. The mode may not be null
+ */
+ @NonNull
+ PorterDuff.Mode getItemIconTintMode();
+
+ /**
+ * Sets the mode, which should be used to tint the icons of the dialog's list items.
+ *
+ * @param mode
+ * The mode, which should be set, as a value of the enum {@link PorterDuff.Mode}. The
+ * mode may not be null
+ */
+ void setItemIconTintMode(@NonNull PorterDuff.Mode mode);
+
  /**
  * Returns the number of list items that are shown by the dialog.
  *