Java 类android.support.v4.util.Pools.SimplePool 实例源码

AdapterHelper(Callback callback, boolean disableRecycler) {
    this.mUpdateOpPool = new SimplePool(30);
    this.mPendingUpdates = new ArrayList();
    this.mPostponedList = new ArrayList();
    this.mExistingUpdateTypes = 0;
    this.mCallback = callback;
    this.mDisableRecycler = disableRecycler;
    this.mOpReorderer = new OpReorderer(this);
}

AdapterHelper(Callback callback, boolean disableRecycler) {
    this.mUpdateOpPool = new SimplePool(30);
    this.mPendingUpdates = new ArrayList();
    this.mPostponedList = new ArrayList();
    this.mExistingUpdateTypes = 0;
    this.mCallback = callback;
    this.mDisableRecycler = disableRecycler;
    this.mOpReorderer = new OpReorderer(this);
}

public TabLayout(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    this.mTabs = new ArrayList();
    this.mTabMaxWidth = ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_UNLIMITED;
    this.mTabViewPool = new SimplePool(12);
    ThemeUtils.checkAppCompatTheme(context);
    setHorizontalScrollBarEnabled(false);
    this.mTabStrip = new SlidingTabStrip(context);
    super.addView(this.mTabStrip, 0, new FrameLayout.LayoutParams(-2, -1));
    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TabLayout, defStyleAttr, R.style.Widget_Design_TabLayout);
    this.mTabStrip.setSelectedIndicatorHeight(a.getDimensionPixelSize(R.styleable.TabLayout_tabIndicatorHeight, 0));
    this.mTabStrip.setSelectedIndicatorColor(a.getColor(R.styleable.TabLayout_tabIndicatorColor, 0));
    int dimensionPixelSize = a.getDimensionPixelSize(R.styleable.TabLayout_tabPadding, 0);
    this.mTabPaddingBottom = dimensionPixelSize;
    this.mTabPaddingEnd = dimensionPixelSize;
    this.mTabPaddingTop = dimensionPixelSize;
    this.mTabPaddingStart = dimensionPixelSize;
    this.mTabPaddingStart = a.getDimensionPixelSize(R.styleable.TabLayout_tabPaddingStart, this.mTabPaddingStart);
    this.mTabPaddingTop = a.getDimensionPixelSize(R.styleable.TabLayout_tabPaddingTop, this.mTabPaddingTop);
    this.mTabPaddingEnd = a.getDimensionPixelSize(R.styleable.TabLayout_tabPaddingEnd, this.mTabPaddingEnd);
    this.mTabPaddingBottom = a.getDimensionPixelSize(R.styleable.TabLayout_tabPaddingBottom, this.mTabPaddingBottom);
    this.mTabTextAppearance = a.getResourceId(R.styleable.TabLayout_tabTextAppearance, R.style.TextAppearance_Design_Tab);
    TypedArray ta = context.obtainStyledAttributes(this.mTabTextAppearance, R.styleable.TextAppearance);
    try {
        this.mTabTextSize = (float) ta.getDimensionPixelSize(R.styleable.TextAppearance_android_textSize, 0);
        this.mTabTextColors = ta.getColorStateList(R.styleable.TextAppearance_android_textColor);
        if (a.hasValue(R.styleable.TabLayout_tabTextColor)) {
            this.mTabTextColors = a.getColorStateList(R.styleable.TabLayout_tabTextColor);
        }
        if (a.hasValue(R.styleable.TabLayout_tabSelectedTextColor)) {
            this.mTabTextColors = createColorStateList(this.mTabTextColors.getDefaultColor(), a.getColor(R.styleable.TabLayout_tabSelectedTextColor, 0));
        }
        this.mRequestedTabMinWidth = a.getDimensionPixelSize(R.styleable.TabLayout_tabMinWidth, -1);
        this.mRequestedTabMaxWidth = a.getDimensionPixelSize(R.styleable.TabLayout_tabMaxWidth, -1);
        this.mTabBackgroundResId = a.getResourceId(R.styleable.TabLayout_tabBackground, 0);
        this.mContentInsetStart = a.getDimensionPixelSize(R.styleable.TabLayout_tabContentStart, 0);
        this.mMode = a.getInt(R.styleable.TabLayout_tabMode, 1);
        this.mTabGravity = a.getInt(R.styleable.TabLayout_tabGravity, 0);
        a.recycle();
        Resources res = getResources();
        this.mTabTextMultiLineSize = (float) res.getDimensionPixelSize(R.dimen.design_tab_text_size_2line);
        this.mScrollableTabMinWidth = res.getDimensionPixelSize(R.dimen.design_tab_scrollable_min_width);
        applyModeAndGravity();
    } finally {
        ta.recycle();
    }
}

/**
 * Returns a non-thread safe {@link Pool} that never returns {@code null} from
 * {@link Pool#acquire()} and that contains objects of the type created by the given
 * {@link Factory} with the given maximum size.
 *
 * <p>If the pool is empty when {@link Pool#acquire()} is called, the given {@link Factory} will
 * be used to create a new instance.
 *
 * @param <T> The type of object the pool will contains.
 */
public static <T extends Poolable> Pool<T> simple(int size, Factory<T> factory) {
  return build(new SimplePool<T>(size), factory);
}

/**
 * Returns a non-thread safe {@link Pool} that never returns {@code null} from
 * {@link Pool#acquire()} and that contains objects of the type created by the given
 * {@link Factory} with the given maximum size.
 *
 * <p>If the pool is empty when {@link Pool#acquire()} is called, the given {@link Factory} will
 * be used to create a new instance.
 *
 * @param <T> The type of object the pool will contains.
 */
public static <T extends Poolable> Pool<T> simple(int size, Factory<T> factory) {
  return build(new SimplePool<T>(size), factory);
}