Example usage for android.content Context obtainStyledAttributes

Introduction

In this page you can find the example usage for android.content Context obtainStyledAttributes.

Prototype

public final TypedArray obtainStyledAttributes(AttributeSet set, @StyleableRes int[] attrs,
        @AttrRes int defStyleAttr, @StyleRes int defStyleRes) 

Source Link

Document

Retrieve styled attribute information in this Context's theme.

Usage

From source file:android.support.design.widget.AppBarLayout.java

public AppBarLayout(Context context, AttributeSet attrs) {
    super(context, attrs);
    setOrientation(VERTICAL);//from www. ja va 2  s.c o m

    ThemeUtils.checkAppCompatTheme(context);

    if (Build.VERSION.SDK_INT >= 21) {
        // Use the bounds view outline provider so that we cast a shadow, even without a
        // background
        ViewUtilsLollipop.setBoundsViewOutlineProvider(this);

        // If we're running on API 21+, we should reset any state list animator from our
        // default style
        ViewUtilsLollipop.setStateListAnimatorFromAttrs(this, attrs, 0, R.style.Widget_Design_AppBarLayout);
    }

    final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AppBarLayout, 0,
            R.style.Widget_Design_AppBarLayout);
    ViewCompat.setBackground(this, a.getDrawable(R.styleable.AppBarLayout_android_background));
    if (a.hasValue(R.styleable.AppBarLayout_expanded)) {
        setExpanded(a.getBoolean(R.styleable.AppBarLayout_expanded, false), false, false);
    }
    if (Build.VERSION.SDK_INT >= 21 && a.hasValue(R.styleable.AppBarLayout_elevation)) {
        ViewUtilsLollipop.setDefaultAppBarLayoutStateListAnimator(this,
                a.getDimensionPixelSize(R.styleable.AppBarLayout_elevation, 0));
    }
    a.recycle();

    ViewCompat.setOnApplyWindowInsetsListener(this, new android.support.v4.view.OnApplyWindowInsetsListener() {
        @Override
        public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
            return onWindowInsetChanged(insets);
        }
    });
}

---

From source file:com.albedinsky.android.support.ui.widget.BaseProgressBar.java

/**
 * Creates a new instance of BaseProgressBar within the given <var>context</var>.
 *
 * @param context      Context in which will be this view presented.
 * @param attrs        Set of Xml attributes used to configure the new instance of this view.
 * @param defStyleAttr An attribute which contains a reference to a default style resource for
 *                     this view within a theme of the given context.
 *///from www. j  av a 2  s  .co m
public BaseProgressBar(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    this.mResources = context.getResources();
    this.mUiThreadId = Thread.currentThread().getId();

    onAttachDrawable();
    if (mDrawable == null) {
        throw new IllegalArgumentException("No progress drawable has been attached.");
    }

    /**
     * Process attributes.
     */
    final TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.Ui_Widget_ProgressBar,
            defStyleAttr, 0);
    if (typedArray != null) {
        this.processTintValues(context, typedArray);

        final int n = typedArray.getIndexCount();
        for (int i = 0; i < n; i++) {
            final int index = typedArray.getIndex(i);
            if (index == R.styleable.Ui_Widget_ProgressBar_uiColorProgress) {
                mDrawable.setColor(typedArray.getColor(index, mDrawable.getColor()));
            } else if (index == R.styleable.Ui_Widget_ProgressBar_uiColorsProgress) {
                final int colorsResId = typedArray.getResourceId(index, -1);
                if (colorsResId > 0) {
                    mDrawable.setColors(mResources.getIntArray(colorsResId));
                }
            } else if (index == R.styleable.Ui_Widget_ProgressBar_uiMultiColored) {
                mDrawable.setMultiColored(typedArray.getBoolean(index, mDrawable.isMultiColored()));
            } else if (index == R.styleable.Ui_Widget_ProgressBar_uiColorProgressBackground) {
                mDrawable.setBackgroundColor(typedArray.getInt(index, Color.TRANSPARENT));
            } else if (index == R.styleable.Ui_Widget_ProgressBar_android_thickness) {
                mDrawable.setThickness(typedArray.getDimensionPixelSize(index, 0));
            } else if (index == R.styleable.Ui_Widget_ProgressBar_uiRounded) {
                mDrawable.setRounded(typedArray.getBoolean(index, false));
            } else if (index == R.styleable.Ui_Widget_ProgressBar_uiIndeterminateSpeed) {
                mDrawable.setIndeterminateSpeed(typedArray.getFloat(index, 1));
            }
        }
    }

    this.applyProgressTint();
    this.applyIndeterminateTint();
    this.applyProgressBackgroundTint();
}

---

From source file:android.support.v7.widget.AbstractXpListPopupWindow.java

/**
 * Create a new, empty popup window capable of displaying items from a ListAdapter.
 * Backgrounds should be set using {@link #setBackgroundDrawable(Drawable)}.
 *
 * @param context Context used for contained views.
 * @param attrs Attributes from inflating parent views used to style the popup.
 * @param defStyleAttr Style attribute to read for default styling of popup content.
 * @param defStyleRes Style resource ID to use for default styling of popup content.
 *///ww w . j av  a 2  s.  c  om
public AbstractXpListPopupWindow(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    mContext = context;
    mHandler = new Handler(context.getMainLooper());

    final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ListPopupWindow, defStyleAttr,
            defStyleRes);
    mDropDownHorizontalOffset = a
            .getDimensionPixelOffset(R.styleable.ListPopupWindow_android_dropDownHorizontalOffset, 0);
    mDropDownVerticalOffset = a
            .getDimensionPixelOffset(R.styleable.ListPopupWindow_android_dropDownVerticalOffset, 0);
    if (mDropDownVerticalOffset != 0) {
        mDropDownVerticalOffsetSet = true;
    }
    a.recycle();

    int defaultMargin = Util.dpToPxOffset(context, 8);
    final TypedArray b = context.obtainStyledAttributes(attrs, R.styleable.XpListPopupWindow, defStyleAttr,
            defStyleRes);
    if (b.hasValue(R.styleable.XpListPopupWindow_android_layout_margin)) {
        int margin = b.getDimensionPixelOffset(R.styleable.XpListPopupWindow_android_layout_margin,
                defaultMargin);
        mMargins.bottom = margin;
        mMargins.top = margin;
        mMargins.left = margin;
        mMargins.right = margin;
    } else {
        if (API_18 && b.hasValue(R.styleable.XpListPopupWindow_android_layout_marginEnd)) {
            int margin = b.getDimensionPixelOffset(R.styleable.XpListPopupWindow_android_layout_marginEnd, 0);
            if (mLayoutDirection == LayoutDirection.RTL) {
                mMargins.left = margin;
            } else {
                mMargins.right = margin;
            }
        } else {
            mMargins.right = b.getDimensionPixelOffset(R.styleable.XpListPopupWindow_android_layout_marginRight,
                    defaultMargin);
        }
        if (API_18 && b.hasValue(R.styleable.XpListPopupWindow_android_layout_marginStart)) {
            int margin = b.getDimensionPixelOffset(R.styleable.XpListPopupWindow_android_layout_marginStart, 0);
            if (mLayoutDirection == LayoutDirection.RTL) {
                mMargins.right = margin;
            } else {
                mMargins.left = margin;
            }
        } else {
            mMargins.left = b.getDimensionPixelOffset(R.styleable.XpListPopupWindow_android_layout_marginLeft,
                    defaultMargin);
        }
        mMargins.top = b.getDimensionPixelOffset(R.styleable.XpListPopupWindow_android_layout_marginTop,
                defaultMargin);
        mMargins.bottom = b.getDimensionPixelOffset(R.styleable.XpListPopupWindow_android_layout_marginBottom,
                defaultMargin);
    }
    b.recycle();

    mPopup = new AppCompatPopupWindow(context, attrs, defStyleAttr);
    mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED);

    // Set the default layout direction to match the default locale one
    final Locale locale = mContext.getResources().getConfiguration().locale;
    mLayoutDirection = TextUtilsCompat.getLayoutDirectionFromLocale(locale);

    setAllowScrollingAnchorParent(false);
}

---

From source file:com.albedinsky.android.ui.widget.BaseProgressBar.java

/**
 * Called from one of constructors of this view to perform its initialization.
 * <p>//from w  ww.ja v  a2  s. co  m
 * Initialization is done via parsing of the specified <var>attrs</var> set and obtaining for
 * this view specific data from it that can be used to configure this new view instance. The
 * specified <var>defStyleAttr</var> and <var>defStyleRes</var> are used to obtain default data
 * from the current theme provided by the specified <var>context</var>.
 */
@SuppressLint("NewApi")
private void init(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    this.mUiThreadId = Thread.currentThread().getId();
    // Use software layer that is required for proper drawing work of progress drawables.
    if (ProgressDrawable.REQUIRES_SOFTWARE_LAYER) {
        setLayerType(View.LAYER_TYPE_SOFTWARE, null);
    }
    onAttachDrawable();
    if (mDrawable == null) {
        throw new IllegalArgumentException("No progress drawable has been attached.");
    }
    /**
     * Process attributes.
     */
    final TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.Ui_ProgressBar,
            defStyleAttr, defStyleRes);
    if (typedArray != null) {
        this.processTintValues(context, typedArray);
        final int n = typedArray.getIndexCount();
        for (int i = 0; i < n; i++) {
            final int index = typedArray.getIndex(i);
            if (index == R.styleable.Ui_ProgressBar_android_max) {
                setMax(typedArray.getInt(index, getMax()));
            } else if (index == R.styleable.Ui_ProgressBar_android_progress) {
                setProgress(typedArray.getInt(index, mProgress));
            } else if (index == R.styleable.Ui_ProgressBar_uiColorProgress) {
                mDrawable.setColor(typedArray.getColor(index, mDrawable.getColor()));
            } else if (index == R.styleable.Ui_ProgressBar_uiColorsProgress) {
                final int colorsResId = typedArray.getResourceId(index, -1);
                if (colorsResId > 0 && !isInEditMode()) {
                    mDrawable.setColors(context.getResources().getIntArray(colorsResId));
                }
            } else if (index == R.styleable.Ui_ProgressBar_uiMultiColored) {
                mDrawable.setMultiColored(typedArray.getBoolean(index, mDrawable.isMultiColored()));
            } else if (index == R.styleable.Ui_ProgressBar_uiColorProgressBackground) {
                mDrawable.setBackgroundColor(typedArray.getInt(index, Color.TRANSPARENT));
            } else if (index == R.styleable.Ui_ProgressBar_android_thickness) {
                mDrawable.setThickness(typedArray.getDimensionPixelSize(index, 0));
            } else if (index == R.styleable.Ui_ProgressBar_uiRounded) {
                mDrawable.setRounded(!isInEditMode() && typedArray.getBoolean(index, mDrawable.isRounded()));
            } else if (index == R.styleable.Ui_ProgressBar_uiIndeterminateSpeed) {
                mDrawable.setIndeterminateSpeed(typedArray.getFloat(index, 1));
            }
        }
    }
    mDrawable.setInEditMode(isInEditMode());

    this.applyProgressTint();
    this.applyIndeterminateTint();
    this.applyProgressBackgroundTint();
}

---

From source file:android.support.v7ox.widget.AppCompatSpinner.java

/**
 * Constructs a new spinner with the given context's theme, the supplied
 * attribute set, default styles, popup mode (one of {@link #MODE_DIALOG}
 * or {@link #MODE_DROPDOWN}), and the context against which the popup
 * should be inflated.//from   ww w . j a  va  2s  . c o m
 *
 * @param context      The context against which the view is inflated, which
 *                     provides access to the current theme, resources, etc.
 * @param attrs        The attributes of the XML tag that is inflating the view.
 * @param defStyleAttr An attribute in the current theme that contains a
 *                     reference to a style resource that supplies default
 *                     values for the view. Can be 0 to not look for
 *                     defaults.
 * @param mode         Constant describing how the user will select choices from
 *                     the spinner.
 * @param popupTheme   The theme against which the dialog or dropdown popup
 *                     should be inflated. May be {@code null} to use the
 *                     view theme. If set, this will override any value
 *                     specified by
 *                     {@link R.styleable#Spinner_popupTheme}.
 * @see #MODE_DIALOG
 * @see #MODE_DROPDOWN
 */
public AppCompatSpinner(Context context, AttributeSet attrs, int defStyleAttr, int mode,
        Resources.Theme popupTheme) {
    super(context, attrs, defStyleAttr);

    TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, attrs, R.styleable.Spinner, defStyleAttr,
            0);

    mDrawableManager = AppCompatDrawableManager.get();
    mBackgroundTintHelper = new AppCompatBackgroundHelper(this, mDrawableManager);

    if (popupTheme != null) {
        mPopupContext = new ContextThemeWrapper(context, popupTheme);
    } else {
        final int popupThemeResId = a.getResourceId(R.styleable.Spinner_popupTheme, 0);
        if (popupThemeResId != 0) {
            mPopupContext = new ContextThemeWrapper(context, popupThemeResId);
        } else {
            // If we're running on a < M device, we'll use the current context and still handle
            // any dropdown popup
            mPopupContext = !IS_AT_LEAST_M ? context : null;
        }
    }

    if (mPopupContext != null) {
        if (mode == MODE_THEME) {
            if (Build.VERSION.SDK_INT >= 11) {
                // If we're running on API v11+ we will try and read android:spinnerMode
                TypedArray aa = null;
                try {
                    aa = context.obtainStyledAttributes(attrs, ATTRS_ANDROID_SPINNERMODE, defStyleAttr, 0);
                    if (aa.hasValue(0)) {
                        mode = aa.getInt(0, MODE_DIALOG);
                    }
                } catch (Exception e) {
                    Log.i(TAG, "Could not read android:spinnerMode", e);
                } finally {
                    if (aa != null) {
                        aa.recycle();
                    }
                }
            } else {
                // Else, we use a default mode of dropdown
                mode = MODE_DROPDOWN;
            }
        }

        if (mode == MODE_DROPDOWN) {
            final DropdownPopup popup = new DropdownPopup(mPopupContext, attrs, defStyleAttr);
            final TintTypedArray pa = TintTypedArray.obtainStyledAttributes(mPopupContext, attrs,
                    R.styleable.Spinner, defStyleAttr, 0);
            mDropDownWidth = pa.getLayoutDimension(R.styleable.Spinner_android_dropDownWidth,
                    LayoutParams.WRAP_CONTENT);

            popup.setPromptText(a.getString(R.styleable.Spinner_android_prompt));
            pa.recycle();

            mPopup = popup;
            mForwardingListener = new ListPopupWindow.ForwardingListener(this) {
                @Override
                public ListPopupWindow getPopup() {
                    return popup;
                }

                @Override
                public boolean onForwardingStarted() {
                    if (!mPopup.isShowing()) {
                        mPopup.show();
                    }
                    return true;
                }
            };
        }
    }

    final CharSequence[] entries = a.getTextArray(R.styleable.Spinner_android_entries);
    if (entries != null) {
        final ArrayAdapter<CharSequence> adapter = new ArrayAdapter<>(context,
                R.layout.support_simple_spinner_dropdown_item, entries);
        adapter.setDropDownViewResource(R.layout.support_simple_spinner_dropdown_item);
        setAdapter(adapter);
    }

    a.recycle();

    mPopupSet = true;

    // Base constructors can call setAdapter before we initialize mPopup.
    // Finish setting things up if this happened.
    if (mTempAdapter != null) {
        setAdapter(mTempAdapter);
        mTempAdapter = null;
    }

    mBackgroundTintHelper.loadFromAttributes(attrs, defStyleAttr);
}

---

From source file:android.support.v7.widget.AppCompatSpinner.java

/**
 * Constructs a new spinner with the given context's theme, the supplied
 * attribute set, default styles, popup mode (one of {@link #MODE_DIALOG}
 * or {@link #MODE_DROPDOWN}), and the context against which the popup
 * should be inflated./*from   www  .ja v  a 2s  .  c o m*/
 *
 * @param context      The context against which the view is inflated, which
 *                     provides access to the current theme, resources, etc.
 * @param attrs        The attributes of the XML tag that is inflating the view.
 * @param defStyleAttr An attribute in the current theme that contains a
 *                     reference to a style resource that supplies default
 *                     values for the view. Can be 0 to not look for
 *                     defaults.
 * @param mode         Constant describing how the user will select choices from
 *                     the spinner.
 * @param popupTheme   The theme against which the dialog or dropdown popup
 *                     should be inflated. May be {@code null} to use the
 *                     view theme. If set, this will override any value
 *                     specified by
 *                     {@link R.styleable#Spinner_popupTheme}.
 * @see #MODE_DIALOG
 * @see #MODE_DROPDOWN
 */
public AppCompatSpinner(Context context, AttributeSet attrs, int defStyleAttr, int mode,
        Resources.Theme popupTheme) {
    super(context, attrs, defStyleAttr);

    TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, attrs, R.styleable.Spinner, defStyleAttr,
            0);

    mDrawableManager = AppCompatDrawableManager.get();
    mBackgroundTintHelper = new AppCompatBackgroundHelper(this, mDrawableManager);

    if (popupTheme != null) {
        mPopupContext = new ContextThemeWrapper(context, popupTheme);
    } else {
        final int popupThemeResId = a.getResourceId(R.styleable.Spinner_popupTheme, 0);
        if (popupThemeResId != 0) {
            mPopupContext = new ContextThemeWrapper(context, popupThemeResId);
        } else {
            // If we're running on a < M device, we'll use the current context and still handle
            // any dropdown popup
            mPopupContext = !IS_AT_LEAST_M ? context : null;
        }
    }

    if (mPopupContext != null) {
        if (mode == MODE_THEME) {
            if (Build.VERSION.SDK_INT >= 11) {
                // If we're running on API v11+ we will try and read android:spinnerMode
                TypedArray aa = null;
                try {
                    aa = context.obtainStyledAttributes(attrs, ATTRS_ANDROID_SPINNERMODE, defStyleAttr, 0);
                    if (aa.hasValue(0)) {
                        mode = aa.getInt(0, MODE_DIALOG);
                    }
                } catch (Exception e) {
                    Log.i(TAG, "Could not read android:spinnerMode", e);
                } finally {
                    if (aa != null) {
                        aa.recycle();
                    }
                }
            } else {
                // Else, we use a default mode of dropdown
                mode = MODE_DROPDOWN;
            }
        }

        if (mode == MODE_DROPDOWN) {
            final DropdownPopup popup = new DropdownPopup(mPopupContext, attrs, defStyleAttr);
            final TintTypedArray pa = TintTypedArray.obtainStyledAttributes(mPopupContext, attrs,
                    R.styleable.Spinner, defStyleAttr, 0);
            mDropDownWidth = pa.getLayoutDimension(R.styleable.Spinner_android_dropDownWidth,
                    LayoutParams.WRAP_CONTENT);
            popup.setBackgroundDrawable(pa.getDrawable(R.styleable.Spinner_android_popupBackground));
            popup.setPromptText(a.getString(R.styleable.Spinner_android_prompt));
            pa.recycle();

            mPopup = popup;
            mForwardingListener = new ForwardingListener(this) {
                @Override
                public ShowableListMenu getPopup() {
                    return popup;
                }

                @Override
                public boolean onForwardingStarted() {
                    if (!mPopup.isShowing()) {
                        mPopup.show();
                    }
                    return true;
                }
            };
        }
    }

    final CharSequence[] entries = a.getTextArray(R.styleable.Spinner_android_entries);
    if (entries != null) {
        final ArrayAdapter<CharSequence> adapter = new ArrayAdapter<>(context,
                android.R.layout.simple_spinner_item, entries);
        adapter.setDropDownViewResource(R.layout.support_simple_spinner_dropdown_item);
        setAdapter(adapter);
    }

    a.recycle();

    mPopupSet = true;

    // Base constructors can call setAdapter before we initialize mPopup.
    // Finish setting things up if this happened.
    if (mTempAdapter != null) {
        setAdapter(mTempAdapter);
        mTempAdapter = null;
    }

    mBackgroundTintHelper.loadFromAttributes(attrs, defStyleAttr);
}

---

From source file:cnedu.ustcjd.widget.MultiSlider.java

public MultiSlider(Context context, AttributeSet attrs, int defStyle, int styleRes) {
    super(context, attrs, defStyle);
    if ((Build.VERSION.SDK_INT >= 21) && getBackground() == null) {
        setBackgroundResource(R.drawable.control_background_multi_material);
    }/*w  w  w.  j av a 2  s .co m*/

    mUiThreadId = Thread.currentThread().getId();

    a = context.obtainStyledAttributes(attrs, R.styleable.MultiSlider, defStyle, styleRes);
    mNoInvalidate = true;
    int numThumbs = a.getInt(R.styleable.MultiSlider_thumbNumber, 2);
    initMultiSlider(numThumbs);

    Drawable trackDrawable = a.getDrawable(R.styleable.MultiSlider_android_track);
    if (trackDrawable == null) {
        trackDrawable = ContextCompat.getDrawable(getContext(), R.drawable.multislider_track_material);
    }

    setTrackDrawable(getTintedDrawable(trackDrawable, a.getColor(R.styleable.MultiSlider_trackColor, 0)));

    //TODO
    //        mMinWidth = a.getDimensionPixelSize(R.styleable.MultiSlider_minWidth, mMinWidth);
    //        mMaxWidth = a.getDimensionPixelSize(R.styleable.MultiSlider_maxWidth, mMaxWidth);
    //        mMinHeight = a.getDimensionPixelSize(R.styleable.MultiSlider_minHeight, mMinHeight);
    //        mMaxHeight = a.getDimensionPixelSize(R.styleable.MultiSlider_maxHeight, mMaxHeight);

    setStep(a.getInt(R.styleable.MultiSlider_scaleStep, mStep));
    setStepsThumbsApart(a.getInt(R.styleable.MultiSlider_stepsThumbsApart, mStepsThumbsApart));
    setDrawThumbsApart(a.getBoolean(R.styleable.MultiSlider_drawThumbsApart, mDrawThumbsApart));
    setMax(a.getInt(R.styleable.MultiSlider_scaleMax, mScaleMax), true);
    setMin(a.getInt(R.styleable.MultiSlider_scaleMin, mScaleMin), true);

    mMirrorForRtl = a.getBoolean(R.styleable.MultiSlider_mirrorForRTL, mMirrorForRtl);

    // --> now place thumbs

    defThumbDrawable = a.getDrawable(R.styleable.MultiSlider_android_thumb);

    if (defThumbDrawable == null) {
        if (Build.VERSION.SDK_INT >= 21) {
            defThumbDrawable = ContextCompat.getDrawable(getContext(),
                    R.drawable.multislider_thumb_material_anim);
        } else {
            defThumbDrawable = ContextCompat.getDrawable(getContext(), R.drawable.multislider_thumb_material);
        }
    }

    defRangeDrawable = a.getDrawable(R.styleable.MultiSlider_range);
    if (defRangeDrawable == null) {
        defRangeDrawable = ContextCompat.getDrawable(getContext(), R.drawable.multislider_range_material);
    }

    Drawable range1Drawable = a.getDrawable(R.styleable.MultiSlider_range1);
    Drawable range2Drawable = a.getDrawable(R.styleable.MultiSlider_range2);

    defRangeColor = a.getColor(R.styleable.MultiSlider_rangeColor, 0);
    defThumbColor = a.getColor(R.styleable.MultiSlider_thumbColor, 0);
    setThumbDrawables(defThumbDrawable, defRangeDrawable, range1Drawable, range2Drawable); //
    // will
    // guess thumbOffset if
    // thumb != null...
    // ...but allow layout to override this

    int thumbOffset = a.getDimensionPixelOffset(R.styleable.MultiSlider_android_thumbOffset,
            defThumbDrawable.getIntrinsicWidth() / 2);
    setThumbOffset(thumbOffset);

    repositionThumbs();

    mScaledTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
    mNoInvalidate = false;
    a.recycle();
}

---

From source file:com.appunite.list.GridView.java

public GridView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.GridView, defStyle, 0);

    int hSpacing = a.getDimensionPixelOffset(R.styleable.GridView_horizontalSpacing, 0);
    setHorizontalSpacing(hSpacing);/*w w  w . j  a va2 s .com*/

    int vSpacing = a.getDimensionPixelOffset(R.styleable.GridView_verticalSpacing, 0);
    setVerticalSpacing(vSpacing);

    int index = a.getInt(R.styleable.GridView_stretchMode, STRETCH_COLUMN_WIDTH);
    if (index >= 0) {
        setStretchMode(index);
    }

    int columnWidth = a.getDimensionPixelOffset(R.styleable.GridView_columnWidth, -1);
    if (columnWidth > 0) {
        setColumnWidth(columnWidth);
    }

    int numColumns = a.getInt(R.styleable.GridView_numColumns, 1);
    setNumColumns(numColumns);

    index = a.getInt(R.styleable.GridView_android_gravity, -1);
    if (index >= 0) {
        setGravity(index);
    }

    a.recycle();
}

---

From source file:com.androtex.viewpagerindicator.TitlePageIndicator.java

public TitlePageIndicator(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    //Load defaults from resources
    final Resources res = getResources();
    final int defaultFooterColor = res.getColor(R.color.default_title_indicator_footer_color);
    final float defaultFooterLineHeight = res.getDimension(R.dimen.default_title_indicator_footer_line_height);
    final int defaultFooterIndicatorStyle = res
            .getInteger(R.integer.default_title_indicator_footer_indicator_style);
    final float defaultFooterIndicatorHeight = res
            .getDimension(R.dimen.default_title_indicator_footer_indicator_height);
    final float defaultFooterIndicatorUnderlinePadding = res
            .getDimension(R.dimen.default_title_indicator_footer_indicator_underline_padding);
    final float defaultFooterPadding = res.getDimension(R.dimen.default_title_indicator_footer_padding);
    @SuppressWarnings("unused")
    final int defaultSelectedColor = res.getColor(R.color.default_title_indicator_selected_color);
    final boolean defaultSelectedBold = res.getBoolean(R.bool.default_title_indicator_selected_bold);
    final int defaultTextColor = res.getColor(R.color.default_title_indicator_text_color);
    final float defaultTextSize = res.getDimension(R.dimen.default_title_indicator_text_size);
    final float defaultTitlePadding = res.getDimension(R.dimen.default_title_indicator_title_padding);
    final float defaultClipPadding = res.getDimension(R.dimen.default_title_indicator_clip_padding);
    final float defaultTopPadding = res.getDimension(R.dimen.default_title_indicator_top_padding);

    //Retrieve styles attributes
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TitlePageIndicator, defStyle,
            R.style.Widget_TitlePageIndicator);

    //Retrieve the colors to be used for this view and apply them.
    mFooterLineHeight = a.getDimension(R.styleable.TitlePageIndicator_footerLineHeight,
            defaultFooterLineHeight);//  w w  w  .j ava  2 s  . c o m
    mFooterIndicatorStyle = IndicatorStyle.fromValue(
            a.getInteger(R.styleable.TitlePageIndicator_footerIndicatorStyle, defaultFooterIndicatorStyle));
    mFooterIndicatorHeight = a.getDimension(R.styleable.TitlePageIndicator_footerIndicatorHeight,
            defaultFooterIndicatorHeight);
    mFooterIndicatorUnderlinePadding = a.getDimension(
            R.styleable.TitlePageIndicator_footerIndicatorUnderlinePadding,
            defaultFooterIndicatorUnderlinePadding);
    mFooterPadding = a.getDimension(R.styleable.TitlePageIndicator_footerPadding, defaultFooterPadding);
    mTopPadding = a.getDimension(R.styleable.TitlePageIndicator_topPadding, defaultTopPadding);
    mTitlePadding = a.getDimension(R.styleable.TitlePageIndicator_titlePadding, defaultTitlePadding);
    mClipPadding = a.getDimension(R.styleable.TitlePageIndicator_clipPadding, defaultClipPadding);
    mColorSelected = 0; //a.getColor(R.styleable.TitlePageIndicator_selectedColor, defaultSelectedColor);
    mColorText = a.getColor(R.styleable.TitlePageIndicator_textColor, defaultTextColor);
    mBoldText = a.getBoolean(R.styleable.TitlePageIndicator_selectedBold, defaultSelectedBold);

    final float textSize = a.getDimension(R.styleable.TitlePageIndicator_textSize, defaultTextSize);
    final int footerColor = a.getColor(R.styleable.TitlePageIndicator_footerColor, defaultFooterColor);
    mPaintText = new Paint();
    mPaintText.setTextSize(textSize);
    mPaintText.setAntiAlias(true);
    mPaintFooterLine = new Paint();
    mPaintFooterLine.setStyle(Paint.Style.FILL_AND_STROKE);
    mPaintFooterLine.setStrokeWidth(mFooterLineHeight);
    mPaintFooterLine.setColor(footerColor);
    mPaintFooterIndicator = new Paint();
    mPaintFooterIndicator.setStyle(Paint.Style.FILL_AND_STROKE);
    mPaintFooterIndicator.setColor(footerColor);

    a.recycle();
}

---

From source file:android.support.designox.widget.TabLayout.java

public TabLayout(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);

    ThemeUtils.checkAppCompatTheme(context);

    // Disable the Scroll Bar
    setHorizontalScrollBarEnabled(false);

    // Add the TabStrip
    mTabStrip = new SlidingTabStrip(context);
    super.addView(mTabStrip, 0,
            new HorizontalScrollView.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT));

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TabLayout, defStyleAttr,
            R.style.Widget_Design_TabLayout);

    mTabStrip.setSelectedIndicatorHeight(a.getDimensionPixelSize(R.styleable.TabLayout_tabIndicatorHeight, 0));
    mTabStrip.setSelectedIndicatorColor(a.getColor(R.styleable.TabLayout_tabIndicatorColor, 0));

    mTabPaddingStart = mTabPaddingTop = mTabPaddingEnd = mTabPaddingBottom = a
            .getDimensionPixelSize(R.styleable.TabLayout_tabPadding, 0);
    mTabPaddingStart = a.getDimensionPixelSize(R.styleable.TabLayout_tabPaddingStart, mTabPaddingStart);
    mTabPaddingTop = a.getDimensionPixelSize(R.styleable.TabLayout_tabPaddingTop, mTabPaddingTop);
    mTabPaddingEnd = a.getDimensionPixelSize(R.styleable.TabLayout_tabPaddingEnd, mTabPaddingEnd);
    mTabPaddingBottom = a.getDimensionPixelSize(R.styleable.TabLayout_tabPaddingBottom, mTabPaddingBottom);

    mTabTextAppearance = a.getResourceId(R.styleable.TabLayout_tabTextAppearance,
            R.style.TextAppearance_Design_Tab);

    // Text colors/sizes come from the text appearance first
    final TypedArray ta = context.obtainStyledAttributes(mTabTextAppearance, R.styleable.TextAppearance);
    try {/*w  w w . jav  a 2 s. c o m*/
        mTabTextSize = ta.getDimensionPixelSize(R.styleable.TextAppearance_android_textSize, 0);
        mTabTextColors = ta.getColorStateList(R.styleable.TextAppearance_android_textColor);
    } finally {
        ta.recycle();
    }

    if (a.hasValue(R.styleable.TabLayout_tabTextColor)) {
        // If we have an explicit text color set, use it instead
        mTabTextColors = a.getColorStateList(R.styleable.TabLayout_tabTextColor);
    }

    if (a.hasValue(R.styleable.TabLayout_tabSelectedTextColor)) {
        // We have an explicit selected text color set, so we need to make merge it with the
        // current colors. This is exposed so that developers can use theme attributes to set
        // this (theme attrs in ColorStateLists are Lollipop+)
        final int selected = a.getColor(R.styleable.TabLayout_tabSelectedTextColor, 0);
        mTabTextColors = createColorStateList(mTabTextColors.getDefaultColor(), selected);
    }

    mRequestedTabMinWidth = a.getDimensionPixelSize(R.styleable.TabLayout_tabMinWidth, INVALID_WIDTH);
    mRequestedTabMaxWidth = a.getDimensionPixelSize(R.styleable.TabLayout_tabMaxWidth, INVALID_WIDTH);
    mTabBackgroundResId = a.getResourceId(R.styleable.TabLayout_tabBackground, 0);
    mContentInsetStart = a.getDimensionPixelSize(R.styleable.TabLayout_tabContentStart, 0);
    mMode = a.getInt(R.styleable.TabLayout_tabMode, MODE_FIXED);
    mTabGravity = a.getInt(R.styleable.TabLayout_tabGravity, GRAVITY_FILL);
    a.recycle();

    // TODO add attr for these
    final Resources res = getResources();
    mTabTextMultiLineSize = res.getDimensionPixelSize(R.dimen.design_tab_text_size_2line);
    mScrollableTabMinWidth = res.getDimensionPixelSize(R.dimen.design_tab_scrollable_min_width);

    // Now apply the tab mode and gravity
    applyModeAndGravity();
}

---

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