import android.support.design.R; //导入依赖的package包/类
public ScrimInsetsFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    this.mTempRect = new Rect();
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ScrimInsetsFrameLayout, defStyleAttr, R.style.Widget_Design_ScrimInsetsFrameLayout);
    this.mInsetForeground = a.getDrawable(R.styleable.ScrimInsetsFrameLayout_insetForeground);
    a.recycle();
    setWillNotDraw(true);
    ViewCompat.setOnApplyWindowInsetsListener(this, new OnApplyWindowInsetsListener() {
        public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
            if (ScrimInsetsFrameLayout.this.mInsets == null) {
                ScrimInsetsFrameLayout.this.mInsets = new Rect();
            }
            ScrimInsetsFrameLayout.this.mInsets.set(insets.getSystemWindowInsetLeft(), insets.getSystemWindowInsetTop(), insets.getSystemWindowInsetRight(), insets.getSystemWindowInsetBottom());
            ScrimInsetsFrameLayout.this.onInsetsChanged(ScrimInsetsFrameLayout.this.mInsets);
            ScrimInsetsFrameLayout scrimInsetsFrameLayout = ScrimInsetsFrameLayout.this;
            boolean z = ScrimInsetsFrameLayout.this.mInsets.isEmpty() || ScrimInsetsFrameLayout.this.mInsetForeground == null;
            scrimInsetsFrameLayout.setWillNotDraw(z);
            ViewCompat.postInvalidateOnAnimation(ScrimInsetsFrameLayout.this);
            return insets.consumeSystemWindowInsets();
        }
    });
}
 

import android.support.design.R; //导入依赖的package包/类
public AppBarLayout(Context context, AttributeSet attrs) {
    super(context, attrs);
    this.mTotalScrollRange = -1;
    this.mDownPreScrollRange = -1;
    this.mDownScrollRange = -1;
    this.mPendingAction = 0;
    setOrientation(1);
    ThemeUtils.checkAppCompatTheme(context);
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AppBarLayout, 0, R.style.Widget_Design_AppBarLayout);
    this.mTargetElevation = (float) a.getDimensionPixelSize(R.styleable.AppBarLayout_elevation, 0);
    setBackgroundDrawable(a.getDrawable(R.styleable.AppBarLayout_android_background));
    if (a.hasValue(R.styleable.AppBarLayout_expanded)) {
        setExpanded(a.getBoolean(R.styleable.AppBarLayout_expanded, false));
    }
    a.recycle();
    ViewUtils.setBoundsViewOutlineProvider(this);
    this.mListeners = new ArrayList();
    ViewCompat.setElevation(this, this.mTargetElevation);
    ViewCompat.setOnApplyWindowInsetsListener(this, new OnApplyWindowInsetsListener() {
        public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
            return AppBarLayout.this.onWindowInsetChanged(insets);
        }
    });
}
 

import android.support.design.R; //导入依赖的package包/类
public ForegroundLinearLayout(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    this.mSelfBounds = new Rect();
    this.mOverlayBounds = new Rect();
    this.mForegroundGravity = Opcodes.INVOKE_STATIC_RANGE;
    this.mForegroundInPadding = true;
    this.mForegroundBoundsChanged = false;
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ForegroundLinearLayout, defStyle, 0);
    this.mForegroundGravity = a.getInt(R.styleable.ForegroundLinearLayout_android_foregroundGravity, this.mForegroundGravity);
    Drawable d = a.getDrawable(R.styleable.ForegroundLinearLayout_android_foreground);
    if (d != null) {
        setForeground(d);
    }
    this.mForegroundInPadding = a.getBoolean(R.styleable.ForegroundLinearLayout_foregroundInsidePadding, true);
    a.recycle();
}
 

import android.support.design.R; //导入依赖的package包/类
void show(@Nullable final InternalVisibilityChangedListener listener, boolean fromUser) {
    if (this.mView.getVisibility() != 0 || this.mIsHiding) {
        this.mView.clearAnimation();
        this.mView.internalSetVisibility(0, fromUser);
        Animation anim = AnimationUtils.loadAnimation(this.mView.getContext(), R.anim.design_fab_in);
        anim.setDuration(200);
        anim.setInterpolator(AnimationUtils.LINEAR_OUT_SLOW_IN_INTERPOLATOR);
        anim.setAnimationListener(new AnimationListenerAdapter() {
            public void onAnimationEnd(Animation animation) {
                if (listener != null) {
                    listener.onShown();
                }
            }
        });
        this.mView.startAnimation(anim);
    } else if (listener != null) {
        listener.onShown();
    }
}
 

import android.support.design.R; //导入依赖的package包/类
void setCollapsedTextAppearance(int resId) {
    TypedArray a = this.mView.getContext().obtainStyledAttributes(resId, R.styleable.TextAppearance);
    if (a.hasValue(R.styleable.TextAppearance_android_textColor)) {
        this.mCollapsedTextColor = a.getColor(R.styleable.TextAppearance_android_textColor, this.mCollapsedTextColor);
    }
    if (a.hasValue(R.styleable.TextAppearance_android_textSize)) {
        this.mCollapsedTextSize = (float) a.getDimensionPixelSize(R.styleable.TextAppearance_android_textSize, (int) this.mCollapsedTextSize);
    }
    this.mCollapsedShadowColor = a.getInt(R.styleable.TextAppearance_android_shadowColor, 0);
    this.mCollapsedShadowDx = a.getFloat(R.styleable.TextAppearance_android_shadowDx, 0.0f);
    this.mCollapsedShadowDy = a.getFloat(R.styleable.TextAppearance_android_shadowDy, 0.0f);
    this.mCollapsedShadowRadius = a.getFloat(R.styleable.TextAppearance_android_shadowRadius, 0.0f);
    a.recycle();
    if (VERSION.SDK_INT >= 16) {
        this.mCollapsedTypeface = readFontFamilyTypeface(resId);
    }
    recalculate();
}
 

import android.support.design.R; //导入依赖的package包/类
void setExpandedTextAppearance(int resId) {
    TypedArray a = this.mView.getContext().obtainStyledAttributes(resId, R.styleable.TextAppearance);
    if (a.hasValue(R.styleable.TextAppearance_android_textColor)) {
        this.mExpandedTextColor = a.getColor(R.styleable.TextAppearance_android_textColor, this.mExpandedTextColor);
    }
    if (a.hasValue(R.styleable.TextAppearance_android_textSize)) {
        this.mExpandedTextSize = (float) a.getDimensionPixelSize(R.styleable.TextAppearance_android_textSize, (int) this.mExpandedTextSize);
    }
    this.mExpandedShadowColor = a.getInt(R.styleable.TextAppearance_android_shadowColor, 0);
    this.mExpandedShadowDx = a.getFloat(R.styleable.TextAppearance_android_shadowDx, 0.0f);
    this.mExpandedShadowDy = a.getFloat(R.styleable.TextAppearance_android_shadowDy, 0.0f);
    this.mExpandedShadowRadius = a.getFloat(R.styleable.TextAppearance_android_shadowRadius, 0.0f);
    a.recycle();
    if (VERSION.SDK_INT >= 16) {
        this.mExpandedTypeface = readFontFamilyTypeface(resId);
    }
    recalculate();
}
 

import android.support.design.R; //导入依赖的package包/类
public FloatingActionButton(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    this.mShadowPadding = new Rect();
    ThemeUtils.checkAppCompatTheme(context);
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.FloatingActionButton, defStyleAttr, R.style.Widget_Design_FloatingActionButton);
    this.mBackgroundTint = a.getColorStateList(R.styleable.FloatingActionButton_backgroundTint);
    this.mBackgroundTintMode = parseTintMode(a.getInt(R.styleable.FloatingActionButton_backgroundTintMode, -1), null);
    this.mRippleColor = a.getColor(R.styleable.FloatingActionButton_rippleColor, 0);
    this.mSize = a.getInt(R.styleable.FloatingActionButton_fabSize, 0);
    this.mBorderWidth = a.getDimensionPixelSize(R.styleable.FloatingActionButton_borderWidth, 0);
    float elevation = a.getDimension(R.styleable.FloatingActionButton_elevation, 0.0f);
    float pressedTranslationZ = a.getDimension(R.styleable.FloatingActionButton_pressedTranslationZ, 0.0f);
    this.mCompatPadding = a.getBoolean(R.styleable.FloatingActionButton_useCompatPadding, false);
    a.recycle();
    this.mImageHelper = new AppCompatImageHelper(this, AppCompatDrawableManager.get());
    this.mImageHelper.loadFromAttributes(attrs, defStyleAttr);
    this.mImagePadding = (getSizeDimension() - ((int) getResources().getDimension(R.dimen.design_fab_image_size))) / 2;
    getImpl().setBackgroundDrawable(this.mBackgroundTint, this.mBackgroundTintMode, this.mRippleColor, this.mBorderWidth);
    getImpl().setElevation(elevation);
    getImpl().setPressedTranslationZ(pressedTranslationZ);
    getImpl().updatePadding();
}
 

import android.support.design.R; //导入依赖的package包/类
public void setErrorEnabled(boolean enabled) {
    if (this.mErrorEnabled != enabled) {
        if (this.mErrorView != null) {
            ViewCompat.animate(this.mErrorView).cancel();
        }
        if (enabled) {
            this.mErrorView = new TextView(getContext());
            try {
                this.mErrorView.setTextAppearance(getContext(), this.mErrorTextAppearance);
            } catch (Exception e) {
                this.mErrorView.setTextAppearance(getContext(), R.style.TextAppearance_AppCompat_Caption);
                this.mErrorView.setTextColor(ContextCompat.getColor(getContext(), R.color.design_textinput_error_color_light));
            }
            this.mErrorView.setVisibility(4);
            ViewCompat.setAccessibilityLiveRegion(this.mErrorView, 1);
            addIndicator(this.mErrorView, 0);
        } else {
            this.mErrorShown = false;
            updateEditTextBackground();
            removeIndicator(this.mErrorView);
            this.mErrorView = null;
        }
        this.mErrorEnabled = enabled;
    }
}
 

import android.support.design.R; //导入依赖的package包/类
public void setCounterEnabled(boolean enabled) {
    if (this.mCounterEnabled != enabled) {
        if (enabled) {
            this.mCounterView = new TextView(getContext());
            this.mCounterView.setMaxLines(1);
            try {
                this.mCounterView.setTextAppearance(getContext(), this.mCounterTextAppearance);
            } catch (Exception e) {
                this.mCounterView.setTextAppearance(getContext(), R.style.TextAppearance_AppCompat_Caption);
                this.mCounterView.setTextColor(ContextCompat.getColor(getContext(), R.color.design_textinput_error_color_light));
            }
            addIndicator(this.mCounterView, -1);
            if (this.mEditText == null) {
                updateCounter(0);
            } else {
                updateCounter(this.mEditText.getText().length());
            }
        } else {
            removeIndicator(this.mCounterView);
            this.mCounterView = null;
        }
        this.mCounterEnabled = enabled;
    }
}
 

import android.support.design.R; //导入依赖的package包/类
private void updateCounter(int length) {
    boolean wasCounterOverflowed = this.mCounterOverflowed;
    if (this.mCounterMaxLength == -1) {
        this.mCounterView.setText(String.valueOf(length));
        this.mCounterOverflowed = false;
    } else {
        this.mCounterOverflowed = length > this.mCounterMaxLength;
        if (wasCounterOverflowed != this.mCounterOverflowed) {
            this.mCounterView.setTextAppearance(getContext(), this.mCounterOverflowed ? this.mCounterOverflowTextAppearance : this.mCounterTextAppearance);
        }
        this.mCounterView.setText(getContext().getString(R.string.character_counter_pattern, new Object[]{Integer.valueOf(length), Integer.valueOf(this.mCounterMaxLength)}));
    }
    if (this.mEditText != null && wasCounterOverflowed != this.mCounterOverflowed) {
        updateLabelState(false);
        updateEditTextBackground();
    }
}
 

import android.support.design.R; //导入依赖的package包/类
/**
 * Default constructor for inflating BottomSheetBehaviors from layout.
 *
 * @param context The {@link Context}.
 * @param attrs   The {@link AttributeSet}.
 */
public PanesBottomSheetBehavior(Context context, AttributeSet attrs) {
    super(context, attrs);
    TypedArray a = context.obtainStyledAttributes(attrs,
            R.styleable.BottomSheetBehavior_Layout);
    TypedValue value = a.peekValue(R.styleable.BottomSheetBehavior_Layout_behavior_peekHeight);
    if (value != null && value.data == PEEK_HEIGHT_AUTO) {
        setPeekHeight(value.data);
    } else {
        setPeekHeight(a.getDimensionPixelSize(
                R.styleable.BottomSheetBehavior_Layout_behavior_peekHeight, PEEK_HEIGHT_AUTO));
    }
    setSkipCollapsed(a.getBoolean(R.styleable.BottomSheetBehavior_Layout_behavior_skipCollapsed,
            false));
    a.recycle();
    ViewConfiguration configuration = ViewConfiguration.get(context);
    mMaximumVelocity = configuration.getScaledMaximumFlingVelocity();
}
 

import android.support.design.R; //导入依赖的package包/类
/**
 * Returns a matcher that matches TextInputLayouts with non-empty content descriptions for the
 * password toggle.
 */
public static Matcher<View> passwordToggleHasContentDescription() {
  return new TypeSafeMatcher<View>(TextInputLayout.class) {
    @Override
    public void describeTo(Description description) {
      description.appendText(
          "TextInputLayout has non-empty content description" + "for password toggle.");
    }

    @Override
    protected boolean matchesSafely(View view) {
      TextInputLayout item = (TextInputLayout) view;
      // Reach in and find the password toggle since we don't have a public API
      // to get a reference to it
      View passwordToggle = item.findViewById(R.id.text_input_password_toggle);
      return !TextUtils.isEmpty(item.getPasswordVisibilityToggleContentDescription())
          && !TextUtils.isEmpty(passwordToggle.getContentDescription());
    }
  };
}
 

import android.support.design.R; //导入依赖的package包/类
/** Returns a matcher that matches TextInputLayouts with non-displayed password toggles */
public static Matcher<View> doesNotShowPasswordToggle() {
  return new TypeSafeMatcher<View>(TextInputLayout.class) {
    @Override
    public void describeTo(Description description) {
      description.appendText("TextInputLayout shows password toggle.");
    }

    @Override
    protected boolean matchesSafely(View item) {
      // Reach in and find the password toggle since we don't have a public API
      // to get a reference to it
      View passwordToggle = item.findViewById(R.id.text_input_password_toggle);
      return passwordToggle.getVisibility() != View.VISIBLE;
    }
  };
}
 

import android.support.design.R; //导入依赖的package包/类
/** Returns a matcher that matches TextInputLayouts with non-displayed password toggles */
public static Matcher<View> passwordToggleIsNotChecked() {
  return new TypeSafeMatcher<View>(TextInputLayout.class) {
    @Override
    public void describeTo(Description description) {
      description.appendText("TextInputLayout has checked password toggle.");
    }

    @Override
    protected boolean matchesSafely(View item) {
      // Reach in and find the password toggle since we don't have a public API
      // to get a reference to it
      CheckableImageButton passwordToggle = item.findViewById(R.id.text_input_password_toggle);
      return !passwordToggle.isChecked();
    }
  };
}
 

import android.support.design.R; //导入依赖的package包/类
/** Toggles password. */
public static ViewAction clickPasswordToggle() {
  return new ViewAction() {

    @Override
    public Matcher<View> getConstraints() {
      return ViewMatchers.isAssignableFrom(TextInputLayout.class);
    }

    @Override
    public String getDescription() {
      return "Clicks the password toggle";
    }

    @Override
    public void perform(UiController uiController, View view) {
      TextInputLayout textInputLayout = (TextInputLayout) view;
      // Reach in and find the password toggle since we don't have a public API
      // to get a reference to it
      View passwordToggle = textInputLayout.findViewById(R.id.text_input_password_toggle);
      passwordToggle.performClick();
    }
  };
}
 

import android.support.design.R; //导入依赖的package包/类
public ShadowDrawableWrapper(
    Context context, Drawable content, float radius, float shadowSize, float maxShadowSize) {
  super(content);

  mShadowStartColor = ContextCompat.getColor(context, R.color.design_fab_shadow_start_color);
  mShadowMiddleColor = ContextCompat.getColor(context, R.color.design_fab_shadow_mid_color);
  mShadowEndColor = ContextCompat.getColor(context, R.color.design_fab_shadow_end_color);

  mCornerShadowPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG);
  mCornerShadowPaint.setStyle(Paint.Style.FILL);
  mCornerRadius = Math.round(radius);
  mContentBounds = new RectF();
  mEdgeShadowPaint = new Paint(mCornerShadowPaint);
  mEdgeShadowPaint.setAntiAlias(false);
  setShadowSize(shadowSize, maxShadowSize);
}
 

import android.support.design.R; //导入依赖的package包/类
/** Creates and sets a {@link StateListAnimator} with a custom elevation value */
static void setDefaultAppBarLayoutStateListAnimator(final View view, final float elevation) {
  final int dur = view.getResources().getInteger(R.integer.app_bar_elevation_anim_duration);

  final StateListAnimator sla = new StateListAnimator();

  // Enabled and collapsible, but not collapsed means not elevated
  sla.addState(
      new int[] {android.R.attr.enabled, R.attr.state_collapsible, -R.attr.state_collapsed},
      ObjectAnimator.ofFloat(view, "elevation", 0f).setDuration(dur));

  // Default enabled state
  sla.addState(
      new int[] {android.R.attr.enabled},
      ObjectAnimator.ofFloat(view, "elevation", elevation).setDuration(dur));

  // Disabled state
  sla.addState(new int[0], ObjectAnimator.ofFloat(view, "elevation", 0).setDuration(0));

  view.setStateListAnimator(sla);
}
 

import android.support.design.R; //导入依赖的package包/类
@Override
public MenuView getMenuView(ViewGroup root) {
  if (mMenuView == null) {
    mMenuView =
        (NavigationMenuView)
            mLayoutInflater.inflate(R.layout.design_navigation_menu, root, false);
    if (mAdapter == null) {
      mAdapter = new NavigationMenuAdapter();
    }
    mHeaderLayout =
        (LinearLayout)
            mLayoutInflater.inflate(R.layout.design_navigation_item_header, mMenuView, false);
    mMenuView.setAdapter(mAdapter);
  }
  return mMenuView;
}
 

import android.support.design.R; //导入依赖的package包/类
public BottomNavigationItemView(Context context, AttributeSet attrs, int defStyleAttr) {
  super(context, attrs, defStyleAttr);
  final Resources res = getResources();
  int inactiveLabelSize = res.getDimensionPixelSize(R.dimen.design_bottom_navigation_text_size);
  int activeLabelSize =
      res.getDimensionPixelSize(R.dimen.design_bottom_navigation_active_text_size);
  mDefaultMargin = res.getDimensionPixelSize(R.dimen.design_bottom_navigation_margin);
  mShiftAmount = inactiveLabelSize - activeLabelSize;
  mScaleUpFactor = 1f * activeLabelSize / inactiveLabelSize;
  mScaleDownFactor = 1f * inactiveLabelSize / activeLabelSize;

  LayoutInflater.from(context).inflate(R.layout.design_bottom_navigation_item, this, true);
  setBackgroundResource(R.drawable.design_bottom_navigation_item_background);
  mIcon = (ImageView) findViewById(R.id.icon);
  mSmallLabel = (TextView) findViewById(R.id.smallLabel);
  mLargeLabel = (TextView) findViewById(R.id.largeLabel);
}
 

import android.support.design.R; //导入依赖的package包/类
public ForegroundLinearLayout(Context context, AttributeSet attrs, int defStyle) {
  super(context, attrs, defStyle);

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

  mForegroundGravity =
      a.getInt(R.styleable.ForegroundLinearLayout_android_foregroundGravity, mForegroundGravity);

  final Drawable d = a.getDrawable(R.styleable.ForegroundLinearLayout_android_foreground);
  if (d != null) {
    setForeground(d);
  }

  mForegroundInPadding =
      a.getBoolean(R.styleable.ForegroundLinearLayout_foregroundInsidePadding, true);

  a.recycle();
}