androidx.annotation.StyleableRes Java Examples

private void setSelectorDrawable(StateListDrawable stateListDrawable, @StyleableRes int solidAttr, @StyleableRes int strokeAttr, @AttrRes int functionId) throws Exception {
    if (typedArray.hasValue(solidAttr) || typedArray.hasValue(strokeAttr)) {
        GradientDrawable tmpDrawable = DrawableFactory.getDrawable(typedArray);
        if (typedArray.hasValue(solidAttr)) {
            tmpDrawable.setColor(typedArray.getColor(solidAttr, 0));
        }
        if (typedArray.hasValue(strokeAttr)) {
            int strokeWidth = typedArray.getDimensionPixelSize(R.styleable.background_bl_stroke_width, 0);
            int strokeColor = typedArray.getColor(strokeAttr, 0);
            float strokeDashWidth = typedArray.getDimension(R.styleable.background_bl_stroke_dashWidth, 0f);
            float strokeGap = typedArray.getDimension(R.styleable.background_bl_stroke_dashGap, 0f);
            tmpDrawable.setStroke(strokeWidth, strokeColor, strokeDashWidth, strokeGap);
        }
        stateListDrawable.addState(new int[]{functionId}, tmpDrawable);
    }
}
 

@ColorInt
private static int[] resolveThemeColors(@NonNull Context context, @AttrRes @StyleableRes int[] attrs, @ColorInt int[] defaultColors) {
    if (attrs.length != defaultColors.length)
        throw new IllegalArgumentException("Argument attrs must be the same size as defaultColors");
    TypedValue typedValue = new TypedValue();

    TypedArray a = context.obtainStyledAttributes(typedValue.data, attrs);

    for (int i = 0; i < attrs.length; i++) {
        defaultColors[i] = a.getColor(0, defaultColors[i]);
    }

    a.recycle();

    return defaultColors;
}
 

private static boolean isCustomTextAppearanceValid(
    @NonNull Context context,
    AttributeSet set,
    @NonNull @StyleableRes int[] attrs,
    @AttrRes int defStyleAttr,
    @StyleRes int defStyleRes,
    @NonNull @StyleableRes int... textAppearanceResIndices) {
  TypedArray componentAttrs =
      context.obtainStyledAttributes(set, attrs, defStyleAttr, defStyleRes);
  for (int customTextAppearanceIndex : textAppearanceResIndices) {
    if (componentAttrs.getResourceId(customTextAppearanceIndex, -1) == -1) {
      componentAttrs.recycle();
      return false;
    }
  }
  componentAttrs.recycle();
  return true;
}
 

/**
 * Safely retrieve styled attribute information in this Context's theme, after checking whether
 * the theme is compatible with the component's given style.
 *
 * <p>Set a component's {@link R.attr#enforceMaterialTheme enforceMaterialTheme} attribute to
 * <code>true</code> to ensure that the Context's theme inherits from {@link
 * R.style#Theme_MaterialComponents Theme.MaterialComponents}. For example, you'll want to do this
 * if the component uses a new attribute defined in <code>Theme.MaterialComponents</code> like
 * {@link R.attr#colorSecondary colorSecondary}.
 *
 * <p>If {@link R.attr#enforceTextAppearance} attribute is set to <code>true</code> and
 * textAppearanceResIndices parameter is specified and has non-negative values, this will also
 * check that a valid TextAppearance is set on this component for the text appearance resources
 * passed in.
 */
@NonNull
public static TypedArray obtainStyledAttributes(
    @NonNull Context context,
    AttributeSet set,
    @NonNull @StyleableRes int[] attrs,
    @AttrRes int defStyleAttr,
    @StyleRes int defStyleRes,
    @StyleableRes int... textAppearanceResIndices) {

  // First, check for a compatible theme.
  checkCompatibleTheme(context, set, defStyleAttr, defStyleRes);

  // Then, check that a textAppearance is set if enforceTextAppearance attribute is true
  checkTextAppearance(context, set, attrs, defStyleAttr, defStyleRes, textAppearanceResIndices);

  // Then, safely retrieve the styled attribute information.
  return context.obtainStyledAttributes(set, attrs, defStyleAttr, defStyleRes);
}
 

/**
 * Returns the {@link ColorStateList} from the given {@link TintTypedArray} attributes. The
 * resource can include themeable attributes, regardless of API level.
 */
@Nullable
public static ColorStateList getColorStateList(
    @NonNull Context context, @NonNull TintTypedArray attributes, @StyleableRes int index) {
  if (attributes.hasValue(index)) {
    int resourceId = attributes.getResourceId(index, 0);
    if (resourceId != 0) {
      ColorStateList value = AppCompatResources.getColorStateList(context, resourceId);
      if (value != null) {
        return value;
      }
    }
  }

  // Reading a single color with getColorStateList() on API 15 and below doesn't always correctly
  // read the value. Instead we'll first try to read the color directly here.
  if (VERSION.SDK_INT <= VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
    int color = attributes.getColor(index, -1);
    if (color != -1) {
      return ColorStateList.valueOf(color);
    }
  }

  return attributes.getColorStateList(index);
}
 

/**
 * Returns the {@link ColorStateList} from the given {@link TypedArray} attributes. The resource
 * can include themeable attributes, regardless of API level.
 */
@Nullable
public static ColorStateList getColorStateList(
    @NonNull Context context, @NonNull TypedArray attributes, @StyleableRes int index) {
  if (attributes.hasValue(index)) {
    int resourceId = attributes.getResourceId(index, 0);
    if (resourceId != 0) {
      ColorStateList value = AppCompatResources.getColorStateList(context, resourceId);
      if (value != null) {
        return value;
      }
    }
  }

  // Reading a single color with getColorStateList() on API 15 and below doesn't always correctly
  // read the value. Instead we'll first try to read the color directly here.
  if (VERSION.SDK_INT <= VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
    int color = attributes.getColor(index, -1);
    if (color != -1) {
      return ColorStateList.valueOf(color);
    }
  }

  return attributes.getColorStateList(index);
}
 

private void addFrame(@StyleableRes int itemDrawableId, @StyleableRes int itemDurationId){
    if(animationTa.hasValue(itemDrawableId)){
        Drawable itemDrawable = animationTa.getDrawable(itemDrawableId);
        if(itemDrawable != null){
            if(animationTa.hasValue(itemDurationId)){
                drawable.addFrame(itemDrawable, animationTa.getInt(itemDurationId, 0));
            }else {
                drawable.addFrame(itemDrawable, duration);
            }
        }
    }
}
 

private static int readFirstAvailableDimension(
    @NonNull Context context,
    @NonNull TypedArray attributes,
    @NonNull @StyleableRes int... indices) {
  int lineHeight = -1;

  for (int index = 0; index < indices.length && lineHeight < 0; ++index) {
    lineHeight = MaterialResources.getDimensionPixelSize(context, attributes, indices[index], -1);
  }

  return lineHeight;
}
 

/**
 * Returns the @StyleableRes index that contains value in the attributes array. If both indices
 * contain values, the first given index takes precedence and is returned.
 */
@StyleableRes
static int getIndexWithValue(
    @NonNull TypedArray attributes, @StyleableRes int a, @StyleableRes int b) {
  if (attributes.hasValue(a)) {
    return a;
  }
  return b;
}
 

/**
 * Returns a TextAppearanceSpan object from the given attributes.
 *
 * <p>You only need this if you are drawing text manually. Normally, TextView takes care of this.
 */
@Nullable
public static TextAppearance getTextAppearance(
    @NonNull Context context, @NonNull TypedArray attributes, @StyleableRes int index) {
  if (attributes.hasValue(index)) {
    int resourceId = attributes.getResourceId(index, 0);
    if (resourceId != 0) {
      return new TextAppearance(context, resourceId);
    }
  }
  return null;
}
 

/**
 * Returns the drawable object from the given attributes.
 *
 * <p>This method supports inflation of {@code <vector>} and {@code <animated-vector>} resources
 * on devices where platform support is not available.
 */
@Nullable
public static Drawable getDrawable(
    @NonNull Context context, @NonNull TypedArray attributes, @StyleableRes int index) {
  if (attributes.hasValue(index)) {
    int resourceId = attributes.getResourceId(index, 0);
    if (resourceId != 0) {
      Drawable value = AppCompatResources.getDrawable(context, resourceId);
      if (value != null) {
        return value;
      }
    }
  }
  return attributes.getDrawable(index);
}
 

/**
 * Inflates an instance of MotionSpec from the animator resource indexed in the given attributes
 * array.
 */
@Nullable
public static MotionSpec createFromAttribute(
    @NonNull Context context, @NonNull TypedArray attributes, @StyleableRes int index) {
  if (attributes.hasValue(index)) {
    int resourceId = attributes.getResourceId(index, 0);
    if (resourceId != 0) {
      return createFromResource(context, resourceId);
    }
  }
  return null;
}
 

@SuppressLint("ResourceType")
public ColorPalette(@StyleRes int themeOverlay, @StyleableRes int[] themeOverlayAttrs) {
  super(themeOverlay);
  TypedArray a = getContext().obtainStyledAttributes(themeOverlay, themeOverlayAttrs);
  main = a.getColor(0, Color.TRANSPARENT);

  a.recycle();
}
 

/**
 * Gets a boolean from an attr resource value
 *
 * @param context Context
 * @return @ColorRes
 */
public static boolean fetchAttrBool(Context context, @StyleRes int style, @StyleableRes int boolRes) {
    TypedArray bool = context.obtainStyledAttributes(style, R.styleable.BaseTwistyTheme);

    boolean finalBool = bool.getBoolean(boolRes, false);
    bool.recycle();

    return finalBool;
}
 

/**
 * Fetches and returns a Styleable value
 * @param context
 * @param styleable The styleable to fetch
 * @param style Property of the styleable to fetch
 * @param defaultAttr default attr to return if styleable can't be fetched
 * @return
 */
public static int fetchStyleableAttr(Context context, @StyleRes int style, @StyleableRes int[] styleable, @StyleableRes int styleableStyle, @AttrRes int defaultAttr) {
    TypedArray textColors = context.obtainStyledAttributes(style, styleable);

    int color = textColors.getColor(styleableStyle, fetchAttrColor(context, defaultAttr));
    textColors.recycle();

    return color;
}
 

@StyleableRes
public int[] getSecondaryThemeOverlayAttrs() {
  return SECONDARY_THEME_OVERLAY_ATTRS;
}
 

@StyleableRes
public int[] getPrimaryThemeOverlayAttrs() {
  return PRIMARY_THEME_OVERLAY_ATTRS;
}
 

private void initializeThemingValues(
    RadioGroup group,
    @ArrayRes int overlays,
    @ArrayRes int contentDescriptions,
    @StyleableRes int[] themeOverlayAttrs,
    @IdRes int overlayId,
    ThemingType themingType) {
  TypedArray themingValues = getResources().obtainTypedArray(overlays);
  TypedArray contentDescriptionArray = getResources().obtainTypedArray(contentDescriptions);
  if (themingValues.length() != contentDescriptionArray.length()) {
    throw new IllegalArgumentException(
        "Feature array length doesn't match its content description array length.");
  }

  for (int i = 0; i < themingValues.length(); i++) {
    @StyleRes int valueThemeOverlay = themingValues.getResourceId(i, 0);
    ThemeAttributeValues themeAttributeValues = null;
    // Create RadioButtons for themeAttributeValues values
    switch (themingType) {
      case COLOR:
        themeAttributeValues = new ColorPalette(valueThemeOverlay, themeOverlayAttrs);
        break;
      case SHAPE_CORNER_FAMILY:
        themeAttributeValues = new ThemeAttributeValues(valueThemeOverlay);
        break;
      case SHAPE_CORNER_SIZE:
        themeAttributeValues =
            new ThemeAttributeValuesWithContentDescription(
                valueThemeOverlay, contentDescriptionArray.getString(i));
        break;
    }

    // Expect the radio group to have a RadioButton as child for each themeAttributeValues value.
    AppCompatRadioButton button =
        themingType.radioButtonType == RadioButtonType.XML
            ? ((AppCompatRadioButton) group.getChildAt(i))
            : createCompatRadioButton(group, contentDescriptionArray.getString(i));

    button.setTag(themeAttributeValues);
    themeAttributeValues.customizeRadioButton(button);

    int currentThemeOverlay = ThemeOverlayUtils.getThemeOverlay(overlayId);
    if (themeAttributeValues.themeOverlay == currentThemeOverlay) {
      group.check(button.getId());
    }
  }

  themingValues.recycle();
  contentDescriptionArray.recycle();
}
 

/**
 * Retrieve a dimensional unit attribute at <var>index</var> for use as a size in raw pixels. A
 * size conversion involves rounding the base value, and ensuring that a non-zero base value is at
 * least one pixel in size.
 *
 * <p>This method will throw an exception if the attribute is defined but is not a dimension.
 *
 * @param context The Context the view is running in, through which the current theme, resources,
 *     etc can be accessed.
 * @param attributes array of typed attributes from which the dimension unit must be read.
 * @param index Index of attribute to retrieve.
 * @param defaultValue Value to return if the attribute is not defined or not a resource.
 * @return Attribute dimension value multiplied by the appropriate metric and truncated to integer
 *     pixels, or defaultValue if not defined.
 * @throws UnsupportedOperationException if the attribute is defined but is not a dimension.
 * @see TypedArray#getDimensionPixelSize(int, int)
 */
public static int getDimensionPixelSize(
    @NonNull Context context,
    @NonNull TypedArray attributes,
    @StyleableRes int index,
    final int defaultValue) {
  TypedValue value = new TypedValue();
  if (!attributes.getValue(index, value) || value.type != TypedValue.TYPE_ATTRIBUTE) {
    return attributes.getDimensionPixelSize(index, defaultValue);
  }

  TypedArray styledAttrs = context.getTheme().obtainStyledAttributes(new int[] {value.data});
  int dimension = styledAttrs.getDimensionPixelSize(0, defaultValue);
  styledAttrs.recycle();
  return dimension;
}
 

@NonNull
@Override
public TypedArray obtainStyledAttributes(@StyleRes int resId, @StyleableRes int[] attrs)
{
    return mStyledAttributes;
}
 

/**
 * Safely retrieve styled attribute information in this Context's theme using {@link
 * androidx.appcompat.widget.TintTypedArray}, after checking whether the theme is compatible with
 * the component's given style.
 *
 * <p>Set a component's {@link R.attr#enforceMaterialTheme enforceMaterialTheme} attribute to
 * <code>true</code> to ensure that the Context's theme inherits from {@link
 * R.style#Theme_MaterialComponents Theme.MaterialComponents}. For example, you'll want to do this
 * if the component uses a new attribute defined in <code>Theme.MaterialComponents</code> like
 * {@link R.attr#colorSecondary colorSecondary}.
 *
 * <p>New components should prefer to use {@link #obtainStyledAttributes(Context, AttributeSet,
 * int[], int, int, int...)}, and use
 * {@link com.google.android.material.resources.MaterialResources}
 * as a replacement for the functionality in {@link androidx.appcompat.widget.TintTypedArray}.
 *
 * <p>If {@link R.attr#enforceTextAppearance} attribute is set to <code>true</code> and
 * textAppearanceResIndices parameter is specified and has non-negative values, this will also
 * check that a valid TextAppearance is set on this component for the text appearance resources
 * passed in.
 */
public static TintTypedArray obtainTintedStyledAttributes(
    @NonNull Context context,
    AttributeSet set,
    @NonNull @StyleableRes int[] attrs,
    @AttrRes int defStyleAttr,
    @StyleRes int defStyleRes,
    @StyleableRes int... textAppearanceResIndices) {

  // First, check for a compatible theme.
  checkCompatibleTheme(context, set, defStyleAttr, defStyleRes);

  // Then, check that a textAppearance is set if enforceTextAppearance attribute is true
  checkTextAppearance(context, set, attrs, defStyleAttr, defStyleRes, textAppearanceResIndices);

  // Then, safely retrieve the styled attribute information.
  return TintTypedArray.obtainStyledAttributes(context, set, attrs, defStyleAttr, defStyleRes);
}
 

private static void checkTextAppearance(
    @NonNull Context context,
    AttributeSet set,
    @NonNull @StyleableRes int[] attrs,
    @AttrRes int defStyleAttr,
    @StyleRes int defStyleRes,
    @Nullable @StyleableRes int... textAppearanceResIndices) {
  TypedArray themeEnforcementAttrs =
      context.obtainStyledAttributes(
          set, R.styleable.ThemeEnforcement, defStyleAttr, defStyleRes);
  boolean enforceTextAppearance =
      themeEnforcementAttrs.getBoolean(R.styleable.ThemeEnforcement_enforceTextAppearance, false);

  if (!enforceTextAppearance) {
    themeEnforcementAttrs.recycle();
    return;
  }

  boolean validTextAppearance;

  if (textAppearanceResIndices == null || textAppearanceResIndices.length == 0) {
    // No custom TextAppearance attributes passed in, check android:textAppearance
    validTextAppearance =
        themeEnforcementAttrs.getResourceId(
                R.styleable.ThemeEnforcement_android_textAppearance, -1)
            != -1;
  } else {
    // Check custom TextAppearances are valid
    validTextAppearance =
        isCustomTextAppearanceValid(
            context, set, attrs, defStyleAttr, defStyleRes, textAppearanceResIndices);
  }

  themeEnforcementAttrs.recycle();

  if (!validTextAppearance) {
    throw new IllegalArgumentException(
        "This component requires that you specify a valid TextAppearance attribute. Update your "
            + "app theme to inherit from Theme.MaterialComponents (or a descendant).");
  }
}
 

@NonNull
@Override
public TypedArray obtainStyledAttributes(@StyleRes int resId, @StyleableRes int[] attrs)
{
    return mActivity.obtainStyledAttributes(resId, attrs);
}
 

private static int readColorFromAttributes(
    Context context, @NonNull TypedArray a, @StyleableRes int index) {
  return MaterialResources.getColorStateList(context, a, index).getDefaultColor();
}
 

@ColorInt
private static int resolveThemeColor(@NonNull Context context, @AttrRes @StyleableRes int attr) {
    return resolveThemeColors(context, new int[]{attr}, new int[]{0})[0];
}
 

/**
 * Retrieve styled attribute information in {@link #getContext()} theme.  See
 * {@link android.content.res.Resources.Theme#obtainStyledAttributes(int, int[])}
 * for more information.
 *
 * @see android.content.res.Resources.Theme#obtainStyledAttributes(int, int[])
 */
@NonNull
TypedArray obtainStyledAttributes(@StyleRes int resId, @StyleableRes int[] attrs);