下面列出了android.content.Context#obtainStyledAttributes ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public FlowIndicator(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.obtainStyledAttributes(attrs,
R.styleable.FlowIndicator);
//小圆点数量
count = a.getInteger(R.styleable.FlowIndicator_count, 4);
//每个小圆点间隔距离
space = a.getDimension(R.styleable.FlowIndicator_space, 4);
//小圆点半径
radius = a.getDimension(R.styleable.FlowIndicator_radius, 7);
//正常 没有选中的图片
bmp_normal = BitmapFactory.decodeResource(getResources(),
R.drawable.hui);
//选中的图片
bmp_selected = BitmapFactory.decodeResource(getResources(),
R.drawable.lan);
a.recycle();
}
@SuppressWarnings({"PMD.UnusedFormalParameter", "PMD.ConstructorCallsOverridableMethod"})
public CustomFontTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs);
setPaintFlags(getPaintFlags() | Paint.SUBPIXEL_TEXT_FLAG);
String fontName = null;
TypedArray appearance = context.obtainStyledAttributes(attrs, R.styleable.CustomFontTextView);
if (appearance != null) {
int indexCount = appearance.getIndexCount();
for (int i = 0; i < indexCount; i++) {
int attr = appearance.getIndex(i);
if (attr == R.styleable.CustomFontTextView_font) {
fontName = appearance.getString(attr);
}
}
appearance.recycle();
}
setTypeface(fontName);
}
public LayoutParams(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context
.obtainStyledAttributes(attrs, R.styleable.FlexboxLayout_Layout);
mOrder = a.getInt(R.styleable.FlexboxLayout_Layout_layout_order, ORDER_DEFAULT);
mFlexGrow = a
.getFloat(R.styleable.FlexboxLayout_Layout_layout_flexGrow, FLEX_GROW_DEFAULT);
mFlexShrink = a.getFloat(R.styleable.FlexboxLayout_Layout_layout_flexShrink,
FLEX_SHRINK_DEFAULT);
mAlignSelf = a
.getInt(R.styleable.FlexboxLayout_Layout_layout_alignSelf, AlignSelf.AUTO);
mFlexBasisPercent = a
.getFraction(R.styleable.FlexboxLayout_Layout_layout_flexBasisPercent, 1, 1,
FLEX_BASIS_PERCENT_DEFAULT);
mMinWidth = a
.getDimensionPixelSize(R.styleable.FlexboxLayout_Layout_layout_minWidth, NOT_SET);
mMinHeight = a
.getDimensionPixelSize(R.styleable.FlexboxLayout_Layout_layout_minHeight, NOT_SET);
mMaxWidth = a.getDimensionPixelSize(R.styleable.FlexboxLayout_Layout_layout_maxWidth,
MAX_SIZE);
mMaxHeight = a.getDimensionPixelSize(R.styleable.FlexboxLayout_Layout_layout_maxHeight,
MAX_SIZE);
mWrapBefore = a.getBoolean(R.styleable.FlexboxLayout_Layout_layout_wrapBefore, false);
a.recycle();
}
@Override
public void loadFromAttributes(AttributeSet attrs, int defStyleAttr) {
final Context context = mView.getContext();
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SkinCompatTextHelper,
defStyleAttr, 0);
if (a.hasValue(R.styleable.SkinCompatTextHelper_android_drawableStart)) {
mDrawableStartResId = a.getResourceId(R.styleable.SkinCompatTextHelper_android_drawableStart, INVALID_ID);
mDrawableStartResId = SkinCompatHelper.checkResourceId(mDrawableStartResId);
}
if (a.hasValue(R.styleable.SkinCompatTextHelper_android_drawableEnd)) {
mDrawableEndResId = a.getResourceId(R.styleable.SkinCompatTextHelper_android_drawableEnd, INVALID_ID);
mDrawableEndResId = SkinCompatHelper.checkResourceId(mDrawableEndResId);
}
a.recycle();
super.loadFromAttributes(attrs, defStyleAttr);
}
private void initialize(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
if (getBackground() == null) {
// Default to SurfaceView colour, so that there are less changes.
setBackgroundColor(Color.BLACK);
}
TypedArray attributes = context.obtainStyledAttributes(attrs, R.styleable.zxing_camera_preview);
int framingRectWidth = (int) attributes.getDimension(R.styleable.zxing_camera_preview_zxing_framing_rect_width, -1);
int framingRectHeight = (int) attributes.getDimension(R.styleable.zxing_camera_preview_zxing_framing_rect_height, -1);
attributes.recycle();
if (framingRectWidth > 0 && framingRectHeight > 0) {
this.framingRectSize = new Size(framingRectWidth, framingRectHeight);
}
windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
stateHandler = new Handler(stateCallback);
setupSurfaceView();
rotationListener = new RotationListener();
}
public MaterialProgressBar(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (isInEditMode()) {
setIndeterminateDrawable(new MaterialProgressDrawable(getContext(), this));
return;
}
Resources res = context.getResources();
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.MaterialProgressBar, defStyle, 0);
final int color = a.getColor(R.styleable.MaterialProgressBar_color, res.getColor(R.color.accentColor));
final float strokeWidth = a.getDimension(R.styleable.MaterialProgressBar_stroke_width, res.getDimension(R.dimen.default_stroke_width));
final float sweepSpeed = a.getFloat(R.styleable.MaterialProgressBar_sweep_speed, Float.parseFloat(res.getString(R.string.default_sweep_speed)));
final float rotationSpeed = a.getFloat(R.styleable.MaterialProgressBar_rotation_speed, Float.parseFloat(res.getString(R.string.default_rotation_speed)));
final int minSweepAngle = a.getInteger(R.styleable.MaterialProgressBar_min_sweep_angle, res.getInteger(R.integer.default_min_sweep_angle));
final int maxSweepAngle = a.getInteger(R.styleable.MaterialProgressBar_max_sweep_angle, res.getInteger(R.integer.default_max_sweep_angle));
a.recycle();
indeterminateDrawable = new MaterialProgressDrawable(getContext(), this);
indeterminateDrawable.setBackgroundColor(CIRCLE_BG_LIGHT);
indeterminateDrawable.setAlpha(255);
indeterminateDrawable.updateSizes(MaterialProgressDrawable.LARGE);
setColor(color);
}
private void init(Context context, AttributeSet attrs){
this.context = context;
TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.EaseChatExtendMenu);
int numColumns = ta.getInt(R.styleable.EaseChatExtendMenu_numColumns, 4);
ta.recycle();
setNumColumns(numColumns);
setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
setGravity(Gravity.CENTER_VERTICAL);
setVerticalSpacing(DensityUtil.dip2px(context, 8));
}
public RoundImageView(Context context, AttributeSet attrs) {
super(context, attrs);
mMatrix = new Matrix();
mBitmapPaint = new Paint();
mBitmapPaint.setAntiAlias(true);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RoundImageView);
mBorderRadius = a.getDimensionPixelSize(R.styleable.RoundImageView_borderRadius,
(int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, BODER_RADIUS_DEFAULT, getResources().getDisplayMetrics()));// 默认为10dp
mType = a.getInt(R.styleable.RoundImageView_type, TYPE_ROUND);// 默认为Round
a.recycle();
}
private void reInitSuper(Context context, AttributeSet attrs) {
TypedArray a =
context.obtainStyledAttributes(attrs, R.styleable.ViewGroup_MarginLayout);
try {
int margin = a.getDimensionPixelSize(MARGIN, DEFAULT_MARGIN);
this.leftMargin = a.getDimensionPixelSize(LEFT_MARGIN, margin);
this.topMargin = a.getDimensionPixelSize(TOP_MARGIN, margin);
this.rightMargin = a.getDimensionPixelSize(RIGHT_MARGIN, margin);
this.bottomMargin = a.getDimensionPixelSize(BOTTOM_MARGIN, margin);
} finally {
a.recycle();
}
}
private void initFragmentTabHost(Context context, AttributeSet attrs) {
TypedArray a = context.obtainStyledAttributes(attrs,
new int[] { android.R.attr.inflatedId }, 0, 0);
mContainerId = a.getResourceId(0, 0);
a.recycle();
super.setOnTabChangedListener(this);
}
public CirclePageIndicator(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (isInEditMode()) return;
//Load defaults from resources
final Resources res = getResources();
final int defaultPageColor = res.getColor(R.color.default_circle_indicator_page_color);
final int defaultFillColor = res.getColor(R.color.default_circle_indicator_fill_color);
final int defaultOrientation = res.getInteger(R.integer.default_circle_indicator_orientation);
final int defaultStrokeColor = res.getColor(R.color.default_circle_indicator_stroke_color);
final float defaultStrokeWidth = res.getDimension(R.dimen.default_circle_indicator_stroke_width);
final float defaultRadius = res.getDimension(R.dimen.default_circle_indicator_radius);
final boolean defaultCentered = res.getBoolean(R.bool.default_circle_indicator_centered);
final boolean defaultSnap = res.getBoolean(R.bool.default_circle_indicator_snap);
//Retrieve styles attributes
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CirclePageIndicator, defStyle, 0);
mCentered = a.getBoolean(R.styleable.CirclePageIndicator_centered, defaultCentered);
mOrientation = a.getInt(R.styleable.CirclePageIndicator_android_orientation, defaultOrientation);
mPaintPageFill.setStyle(Style.FILL);
mPaintPageFill.setColor(a.getColor(R.styleable.CirclePageIndicator_pageColor, defaultPageColor));
mPaintStroke.setStyle(Style.STROKE);
mPaintStroke.setColor(a.getColor(R.styleable.CirclePageIndicator_strokeColor, defaultStrokeColor));
mPaintStroke.setStrokeWidth(a.getDimension(R.styleable.CirclePageIndicator_strokeWidth, defaultStrokeWidth));
mPaintFill.setStyle(Style.FILL);
mPaintFill.setColor(a.getColor(R.styleable.CirclePageIndicator_fillColor, defaultFillColor));
mRadius = a.getDimension(R.styleable.CirclePageIndicator_radius, defaultRadius);
mSnap = a.getBoolean(R.styleable.CirclePageIndicator_snap, defaultSnap);
Drawable background = a.getDrawable(R.styleable.CirclePageIndicator_android_background);
if (background != null) {
setBackgroundDrawable(background);
}
a.recycle();
final ViewConfiguration configuration = ViewConfiguration.get(context);
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
}
private void setCustomTypeface(Context context, AttributeSet attrs) {
if (isInEditMode())
return;
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TextAppearance);
int style = a.getInt(R.styleable.TextAppearance_android_textStyle, Typeface.NORMAL);
setTextStyle(style);
a.recycle();
}
public FlexibleRecyclerView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
if (attrs != null) {
final TypedArray xmlArgs = context.obtainStyledAttributes(attrs,
R.styleable.FlexibleRecyclerView, defStyle, 0);
mContentTopClearance = xmlArgs.getDimensionPixelSize(
R.styleable.FlexibleRecyclerView_topClearance, 0);
xmlArgs.recycle();
}
}
public RippleLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setWillNotDraw(false);
gestureDetector = new GestureDetector(context, longClickListener);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.MaterialRippleLayout);
rippleColor = a.getColor(R.styleable.MaterialRippleLayout_mrl_rippleColor, DEFAULT_COLOR);
rippleDiameter = a.getDimensionPixelSize(
R.styleable.MaterialRippleLayout_mrl_rippleDimension,
(int) dpToPx(getResources(), DEFAULT_DIAMETER_DP)
);
rippleOverlay = a.getBoolean(R.styleable.MaterialRippleLayout_mrl_rippleOverlay, DEFAULT_RIPPLE_OVERLAY);
rippleHover = a.getBoolean(R.styleable.MaterialRippleLayout_mrl_rippleHover, DEFAULT_HOVER);
rippleDuration = a.getInt(R.styleable.MaterialRippleLayout_mrl_rippleDuration, DEFAULT_DURATION);
rippleAlpha = (int) (255 * a.getFloat(R.styleable.MaterialRippleLayout_mrl_rippleAlpha, DEFAULT_ALPHA));
rippleDelayClick = a.getBoolean(R.styleable.MaterialRippleLayout_mrl_rippleDelayClick, DEFAULT_DELAY_CLICK);
rippleFadeDuration = a.getInteger(R.styleable.MaterialRippleLayout_mrl_rippleFadeDuration, DEFAULT_FADE_DURATION);
rippleBackground = new ColorDrawable(a.getColor(R.styleable.MaterialRippleLayout_mrl_rippleBackground, DEFAULT_BACKGROUND));
ripplePersistent = a.getBoolean(R.styleable.MaterialRippleLayout_mrl_ripplePersistent, DEFAULT_PERSISTENT);
rippleInAdapter = a.getBoolean(R.styleable.MaterialRippleLayout_mrl_rippleInAdapter, DEFAULT_SEARCH_ADAPTER);
rippleRoundedCorners = a.getDimensionPixelSize(R.styleable.MaterialRippleLayout_mrl_rippleRoundedCorners, DEFAULT_ROUNDED_CORNERS);
a.recycle();
paint.setColor(rippleColor);
paint.setAlpha(rippleAlpha);
enableClipPathSupportIfNecessary();
}
private void init(Context context, AttributeSet attrs, int defStyle) {
Log.d(TAG, "Initialising SeekArc");
final Resources res = getResources();
float density = context.getResources().getDisplayMetrics().density;
// Defaults, may need to link this into theme settings
int arcColor = res.getColor(R.color.progress_gray);
int progressColor = res.getColor(R.color.default_blue_light);
int thumbHalfheight = 0;
int thumbHalfWidth = 0;
mThumb = res.getDrawable(R.drawable.seek_arc_control_selector);
// Convert progress width to pixels for current density
mProgressWidth = (int) (mProgressWidth * density);
if (attrs != null) {
// Attribute initialization
final TypedArray a = context.obtainStyledAttributes(attrs,
R.styleable.SeekArc, defStyle, 0);
Drawable thumb = a.getDrawable(R.styleable.SeekArc_thumb);
if (thumb != null) {
mThumb = thumb;
}
thumbHalfheight = (int) mThumb.getIntrinsicHeight() / 2;
thumbHalfWidth = (int) mThumb.getIntrinsicWidth() / 2;
mThumb.setBounds(-thumbHalfWidth, -thumbHalfheight, thumbHalfWidth,
thumbHalfheight);
mMax = a.getInteger(R.styleable.SeekArc_max, mMax);
mProgress = a.getInteger(R.styleable.SeekArc_progress, mProgress);
mProgressWidth = (int) a.getDimension(
R.styleable.SeekArc_progressWidth, mProgressWidth);
mArcWidth = (int) a.getDimension(R.styleable.SeekArc_arcWidth,
mArcWidth);
mStartAngle = a.getInt(R.styleable.SeekArc_startAngle, mStartAngle);
mSweepAngle = a.getInt(R.styleable.SeekArc_sweepAngle, mSweepAngle);
mRotation = a.getInt(R.styleable.SeekArc_rotation, mRotation);
mRoundedEdges = a.getBoolean(R.styleable.SeekArc_roundEdges,
mRoundedEdges);
mTouchInside = a.getBoolean(R.styleable.SeekArc_touchInside,
mTouchInside);
mClockwise = a.getBoolean(R.styleable.SeekArc_clockwise,
mClockwise);
mEnabled = a.getBoolean(R.styleable.SeekArc_enabled, mEnabled);
arcColor = a.getColor(R.styleable.SeekArc_arcColor, arcColor);
progressColor = a.getColor(R.styleable.SeekArc_progressColor,
progressColor);
a.recycle();
}
mProgress = (mProgress > mMax) ? mMax : mProgress;
mProgress = (mProgress < 0) ? 0 : mProgress;
mSweepAngle = (mSweepAngle > 360) ? 360 : mSweepAngle;
mSweepAngle = (mSweepAngle < 0) ? 0 : mSweepAngle;
mProgressSweep = (float) mProgress / mMax * mSweepAngle;
mStartAngle = (mStartAngle > 360) ? 0 : mStartAngle;
mStartAngle = (mStartAngle < 0) ? 0 : mStartAngle;
mArcPaint = new Paint();
mArcPaint.setColor(arcColor);
mArcPaint.setAntiAlias(true);
mArcPaint.setStyle(Paint.Style.STROKE);
mArcPaint.setStrokeWidth(mArcWidth);
//mArcPaint.setAlpha(45);
mProgressPaint = new Paint();
mProgressPaint.setColor(progressColor);
mProgressPaint.setAntiAlias(true);
mProgressPaint.setStyle(Paint.Style.STROKE);
mProgressPaint.setStrokeWidth(mProgressWidth);
if (mRoundedEdges) {
mArcPaint.setStrokeCap(Paint.Cap.ROUND);
mProgressPaint.setStrokeCap(Paint.Cap.ROUND);
}
}
/**
* The contructor used with an inflater
*
* @param context
* @param attrs
*/
public CircleFlowIndicator(Context context, AttributeSet attrs) {
super(context, attrs);
// Retrieve styles attributs
TypedArray a = context.obtainStyledAttributes(attrs,
R.styleable.CircleFlowIndicator);
// Gets the active circle type, defaulting to "fill"
int activeType = a.getInt(R.styleable.CircleFlowIndicator_activeType,
STYLE_FILL);
int activeDefaultColor = 0xFF7DC62D;
// Get a custom active color if there is one
int activeColor = a
.getColor(R.styleable.CircleFlowIndicator_activeColor,
activeDefaultColor);
// Gets the inactive circle type, defaulting to "stroke"
int inactiveType = a.getInt(
R.styleable.CircleFlowIndicator_inactiveType, STYLE_STROKE);
int inactiveDefaultColor = 0xFF9D9D9D;
// Get a custom inactive color if there is one
int inactiveColor = a.getColor(
R.styleable.CircleFlowIndicator_inactiveColor,
inactiveDefaultColor);
// Retrieve the radius
mRadius = a.getDimension(R.styleable.CircleFlowIndicator_radius, 4.0f);
mRadiusActive = mRadius;
mRadiusInactive = mRadius;
// Retrieve the spacing
spacing = a.getDimension(R.styleable.CircleFlowIndicator_spacing, 4.0f);
// We want the spacing to be center-to-center
spacing += 2 * mRadiusActive;
// Retrieve the fade out time
fadeOutTime = a.getInt(R.styleable.CircleFlowIndicator_fadeOut, 0);
mCentered = a.getBoolean(R.styleable.CircleFlowIndicator_centered,
false);
mSnap = a.getBoolean(R.styleable.CircleFlowIndicator_snap, true);
initColors(activeColor, inactiveColor, activeType, inactiveType);
}
public DividerItemDecoration(Context context, int orientation) {
final TypedArray a = context.obtainStyledAttributes(ATTRS);
mDivider = a.getDrawable(0);
a.recycle();
setOrientation(orientation);
}
/**
* Uses the specified TextAppearance resource to determine the
* text appearance, and the specified text color resource
* to determine the color. The <code>appearance</code> should be,
* for example, <code>android.R.style.TextAppearance_Small</code>,
* and the <code>colorList</code> should be, for example,
* <code>android.R.styleable.Theme_textColorDim</code>.
*/
public TextAppearanceSpan(Context context, int appearance,
int colorList) {
ColorStateList textColor;
TypedArray a =
context.obtainStyledAttributes(appearance,
com.android.internal.R.styleable.TextAppearance);
textColor = a.getColorStateList(com.android.internal.R.styleable.
TextAppearance_textColor);
mTextColorLink = a.getColorStateList(com.android.internal.R.styleable.
TextAppearance_textColorLink);
mTextSize = a.getDimensionPixelSize(com.android.internal.R.styleable.
TextAppearance_textSize, -1);
mStyle = a.getInt(com.android.internal.R.styleable.TextAppearance_textStyle, 0);
int tf = a.getInt(com.android.internal.R.styleable.TextAppearance_typeface, 0);
switch (tf) {
case 1:
mTypeface = "sans";
break;
case 2:
mTypeface = "serif";
break;
case 3:
mTypeface = "monospace";
break;
default:
mTypeface = null;
break;
}
a.recycle();
if (colorList >= 0) {
a = context.obtainStyledAttributes(com.android.internal.R.style.Theme,
com.android.internal.R.styleable.Theme);
textColor = a.getColorStateList(colorList);
a.recycle();
}
mTextColor = textColor;
}
public DividerItemDecoration(Context context, int orientation) {
final TypedArray a = context.obtainStyledAttributes(ATTRS);
mDivider = a.getDrawable(0);
a.recycle();
setOrientation(orientation);
}
public DividerItemDecoration(Context context, AttributeSet attrs) {
final TypedArray a = context
.obtainStyledAttributes(attrs, new int[]{android.R.attr.listDivider});
mDivider = a.getDrawable(0);
a.recycle();
}