androidx.annotation.StyleableRes#androidx.appcompat.widget.TintTypedArray源码实例Demo

public void setCollapsedTextAppearance(int resId) {
    TintTypedArray a = TintTypedArray.obtainStyledAttributes(mView.getContext(), resId, R.styleable.CollapsingTextAppearance);
    if (a.hasValue(R.styleable.CollapsingTextAppearance_android_textColor)) {
        mCollapsedTextColor = a.getColorStateList(R.styleable.CollapsingTextAppearance_android_textColor);
    }
    if (a.hasValue(R.styleable.CollapsingTextAppearance_android_textSize)) {
        mCollapsedTextSize = a.getDimensionPixelSize(R.styleable.CollapsingTextAppearance_android_textSize,
                (int) mCollapsedTextSize);
    }
    mCollapsedShadowColor = a.getInt(R.styleable.CollapsingTextAppearance_android_shadowColor, 0);
    mCollapsedShadowDx = a.getFloat(R.styleable.CollapsingTextAppearance_android_shadowDx, 0);
    mCollapsedShadowDy = a.getFloat(R.styleable.CollapsingTextAppearance_android_shadowDy, 0);
    mCollapsedShadowRadius = a.getFloat(R.styleable.CollapsingTextAppearance_android_shadowRadius, 0);
    a.recycle();

    if (Build.VERSION.SDK_INT >= 16) {
        mCollapsedTypeface = readFontFamilyTypeface(resId);
    }

    recalculate();
}
 

/**
 * 设置最大化状态Text样式id
 *
 * @param resId
 */
public void setExpandedTextAppearance(int resId) {
    TintTypedArray a = TintTypedArray.obtainStyledAttributes(mView.getContext(), resId, R.styleable.CollapsingTextAppearance);
    if (a.hasValue(R.styleable.CollapsingTextAppearance_android_textColor)) {
        mExpandedTextColor = a.getColorStateList(R.styleable.CollapsingTextAppearance_android_textColor);
    }
    if (a.hasValue(R.styleable.CollapsingTextAppearance_android_textSize)) {
        mExpandedTextSize = a.getDimensionPixelSize(R.styleable.CollapsingTextAppearance_android_textSize,
                (int) mExpandedTextSize);
    }
    mExpandedShadowColor = a.getInt(
            R.styleable.CollapsingTextAppearance_android_shadowColor, 0);
    mExpandedShadowDx = a.getFloat(
            R.styleable.CollapsingTextAppearance_android_shadowDx, 0);
    mExpandedShadowDy = a.getFloat(
            R.styleable.CollapsingTextAppearance_android_shadowDy, 0);
    mExpandedShadowRadius = a.getFloat(
            R.styleable.CollapsingTextAppearance_android_shadowRadius, 0);
    a.recycle();

    if (Build.VERSION.SDK_INT >= 16) {
        mExpandedTypeface = readFontFamilyTypeface(resId);
    }

    recalculate();
}
 

/**
 * 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);
}
 

/**
 * Creates a {@link MaterialShapeDrawable} to use as the {@code itemBackground} and wraps it in an
 * {@link InsetDrawable} for margins.
 *
 * @param a The TintTypedArray containing the resolved NavigationView style attributes.
 */
@NonNull
private final Drawable createDefaultItemBackground(@NonNull TintTypedArray a) {
  int shapeAppearanceResId = a.getResourceId(R.styleable.NavigationView_itemShapeAppearance, 0);
  int shapeAppearanceOverlayResId =
      a.getResourceId(R.styleable.NavigationView_itemShapeAppearanceOverlay, 0);
  MaterialShapeDrawable materialShapeDrawable =
      new MaterialShapeDrawable(
          ShapeAppearanceModel.builder(
                  getContext(), shapeAppearanceResId, shapeAppearanceOverlayResId)
              .build());
  materialShapeDrawable.setFillColor(
      MaterialResources.getColorStateList(
          getContext(), a, R.styleable.NavigationView_itemShapeFillColor));

  int insetLeft = a.getDimensionPixelSize(R.styleable.NavigationView_itemShapeInsetStart, 0);
  int insetTop = a.getDimensionPixelSize(R.styleable.NavigationView_itemShapeInsetTop, 0);
  int insetRight = a.getDimensionPixelSize(R.styleable.NavigationView_itemShapeInsetEnd, 0);
  int insetBottom = a.getDimensionPixelSize(R.styleable.NavigationView_itemShapeInsetBottom, 0);
  return new InsetDrawable(materialShapeDrawable, insetLeft, insetTop, insetRight, insetBottom);
}
 

public static int getThemeAttrColor(Context context, int attr) {
    TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, null, new int[]{attr});
    try {
        return a.getColor(0, 0);
    } finally {
        a.recycle();
    }
}
 

@SuppressLint("RestrictedApi")
private int getThemeAttrColor(Context context, int attr) {
    TEMP_ARRAY[0] = attr;
    TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, null, TEMP_ARRAY);
    try {
        return a.getColor(0, 0);
    } finally {
        a.recycle();
    }
}
 

public BottomNavigationViewInner(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    TintTypedArray a = ThemeEnforcement.obtainTintedStyledAttributes(context, attrs,
            R.styleable.BottomNavigationView,
            defStyleAttr, R.style.Widget_Design_BottomNavigationView,
            new int[]{R.styleable.BottomNavigationView_itemTextAppearanceInactive,
                    R.styleable.BottomNavigationView_itemTextAppearanceActive});
    // clear if you don't have set item icon tint list
    if (!a.hasValue(R.styleable.BottomNavigationView_itemIconTint)) {
        clearIconTintColor();
    }
    a.recycle();
}
 

public TabItem(Context context, AttributeSet attrs) {
  super(context, attrs);

  final TintTypedArray a =
      TintTypedArray.obtainStyledAttributes(context, attrs, R.styleable.TabItem);
  text = a.getText(R.styleable.TabItem_android_text);
  icon = a.getDrawable(R.styleable.TabItem_android_icon);
  customLayout = a.getResourceId(R.styleable.TabItem_android_layout, 0);
  a.recycle();
}
 

private boolean hasShapeAppearance(@NonNull TintTypedArray a) {
  return a.hasValue(R.styleable.NavigationView_itemShapeAppearance)
      || a.hasValue(R.styleable.NavigationView_itemShapeAppearanceOverlay);
}
 

/**
 * 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);
}
 

@SuppressWarnings("RestrictedApi")
private void init(@Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {

    Context context = getContext();
    TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, attrs,
            R.styleable.MaterialProgressBar, defStyleAttr, defStyleRes);
    mProgressStyle = a.getInt(R.styleable.MaterialProgressBar_mpb_progressStyle,
            PROGRESS_STYLE_CIRCULAR);
    boolean setBothDrawables = a.getBoolean(
            R.styleable.MaterialProgressBar_mpb_setBothDrawables, false);
    boolean useIntrinsicPadding = a.getBoolean(
            R.styleable.MaterialProgressBar_mpb_useIntrinsicPadding, true);
    boolean showProgressBackground = a.getBoolean(
            R.styleable.MaterialProgressBar_mpb_showProgressBackground,
            mProgressStyle == PROGRESS_STYLE_HORIZONTAL);
    int determinateCircularProgressStyle = a.getInt(
            R.styleable.MaterialProgressBar_mpb_determinateCircularProgressStyle,
            DETERMINATE_CIRCULAR_PROGRESS_STYLE_NORMAL);
    if (a.hasValue(R.styleable.MaterialProgressBar_mpb_progressTint)) {
        mProgressTintInfo.mProgressTint = a.getColorStateList(
                R.styleable.MaterialProgressBar_mpb_progressTint);
        mProgressTintInfo.mHasProgressTint = true;
    }
    if (a.hasValue(R.styleable.MaterialProgressBar_mpb_progressTintMode)) {
        mProgressTintInfo.mProgressTintMode = DrawableCompat.parseTintMode(a.getInt(
                R.styleable.MaterialProgressBar_mpb_progressTintMode, -1), null);
        mProgressTintInfo.mHasProgressTintMode = true;
    }
    if (a.hasValue(R.styleable.MaterialProgressBar_mpb_secondaryProgressTint)) {
        mProgressTintInfo.mSecondaryProgressTint = a.getColorStateList(
                R.styleable.MaterialProgressBar_mpb_secondaryProgressTint);
        mProgressTintInfo.mHasSecondaryProgressTint = true;
    }
    if (a.hasValue(R.styleable.MaterialProgressBar_mpb_secondaryProgressTintMode)) {
        mProgressTintInfo.mSecondaryProgressTintMode = DrawableCompat.parseTintMode(a.getInt(
                R.styleable.MaterialProgressBar_mpb_secondaryProgressTintMode, -1), null);
        mProgressTintInfo.mHasSecondaryProgressTintMode = true;
    }
    if (a.hasValue(R.styleable.MaterialProgressBar_mpb_progressBackgroundTint)) {
        mProgressTintInfo.mProgressBackgroundTint = a.getColorStateList(
                R.styleable.MaterialProgressBar_mpb_progressBackgroundTint);
        mProgressTintInfo.mHasProgressBackgroundTint = true;
    }
    if (a.hasValue(R.styleable.MaterialProgressBar_mpb_progressBackgroundTintMode)) {
        mProgressTintInfo.mProgressBackgroundTintMode = DrawableCompat.parseTintMode(a.getInt(
                R.styleable.MaterialProgressBar_mpb_progressBackgroundTintMode, -1), null);
        mProgressTintInfo.mHasProgressBackgroundTintMode = true;
    }
    if (a.hasValue(R.styleable.MaterialProgressBar_mpb_indeterminateTint)) {
        mProgressTintInfo.mIndeterminateTint = a.getColorStateList(
                R.styleable.MaterialProgressBar_mpb_indeterminateTint);
        mProgressTintInfo.mHasIndeterminateTint = true;
    }
    if (a.hasValue(R.styleable.MaterialProgressBar_mpb_indeterminateTintMode)) {
        mProgressTintInfo.mIndeterminateTintMode = DrawableCompat.parseTintMode(a.getInt(
                R.styleable.MaterialProgressBar_mpb_indeterminateTintMode, -1), null);
        mProgressTintInfo.mHasIndeterminateTintMode = true;
    }
    a.recycle();

    switch (mProgressStyle) {
        case PROGRESS_STYLE_CIRCULAR:
            if (isIndeterminate() || setBothDrawables) {
                if (!isInEditMode()) {
                    setIndeterminateDrawable(
                            new AnimationScaleIndeterminateCircularProgressDrawable(context));
                }
            }
            if (!isIndeterminate() || setBothDrawables) {
                setProgressDrawable(new CircularProgressDrawable(
                        determinateCircularProgressStyle, context));
            }
            break;
        case PROGRESS_STYLE_HORIZONTAL:
            if (isIndeterminate() || setBothDrawables) {
                if (!isInEditMode()) {
                    setIndeterminateDrawable(new IndeterminateHorizontalProgressDrawable(
                            context));
                }
            }
            if (!isIndeterminate() || setBothDrawables) {
                setProgressDrawable(new HorizontalProgressDrawable(context));
            }
            break;
        default:
            throw new IllegalArgumentException("Unknown progress style: " + mProgressStyle);
    }
    setUseIntrinsicPadding(useIntrinsicPadding);
    setShowProgressBackground(showProgressBackground);
}