FileDocCategorySizeDatePackage
PreferenceFrameLayout.javaAPI DocAndroid 5.1 API5807Thu Mar 12 22:22:10 GMT 2015android.preference

PreferenceFrameLayout

public class PreferenceFrameLayout extends android.widget.FrameLayout
hide

Fields Summary
private static final int
DEFAULT_BORDER_TOP
private static final int
DEFAULT_BORDER_BOTTOM
private static final int
DEFAULT_BORDER_LEFT
private static final int
DEFAULT_BORDER_RIGHT
private final int
mBorderTop
private final int
mBorderBottom
private final int
mBorderLeft
private final int
mBorderRight
private boolean
mPaddingApplied
Constructors Summary
public PreferenceFrameLayout(android.content.Context context)


       
        this(context, null);
public PreferenceFrameLayout(android.content.Context context, android.util.AttributeSet attrs)

        this(context, attrs, com.android.internal.R.attr.preferenceFrameLayoutStyle);
public PreferenceFrameLayout(android.content.Context context, android.util.AttributeSet attrs, int defStyleAttr)

        this(context, attrs, defStyleAttr, 0);
public PreferenceFrameLayout(android.content.Context context, android.util.AttributeSet attrs, int defStyleAttr, int defStyleRes)

        super(context, attrs, defStyleAttr, defStyleRes);
        final TypedArray a = context.obtainStyledAttributes(attrs,
                com.android.internal.R.styleable.PreferenceFrameLayout, defStyleAttr, defStyleRes);

        float density = context.getResources().getDisplayMetrics().density;
        int defaultBorderTop = (int) (density * DEFAULT_BORDER_TOP + 0.5f);
        int defaultBottomPadding = (int) (density * DEFAULT_BORDER_BOTTOM + 0.5f);
        int defaultLeftPadding = (int) (density * DEFAULT_BORDER_LEFT + 0.5f);
        int defaultRightPadding = (int) (density * DEFAULT_BORDER_RIGHT + 0.5f);

        mBorderTop = a.getDimensionPixelSize(
                com.android.internal.R.styleable.PreferenceFrameLayout_borderTop,
                defaultBorderTop);
        mBorderBottom = a.getDimensionPixelSize(
                com.android.internal.R.styleable.PreferenceFrameLayout_borderBottom,
                defaultBottomPadding);
        mBorderLeft = a.getDimensionPixelSize(
                com.android.internal.R.styleable.PreferenceFrameLayout_borderLeft,
                defaultLeftPadding);
        mBorderRight = a.getDimensionPixelSize(
                com.android.internal.R.styleable.PreferenceFrameLayout_borderRight,
                defaultRightPadding);

        a.recycle();
Methods Summary
public voidaddView(android.view.View child)

        int borderTop = getPaddingTop();
        int borderBottom = getPaddingBottom();
        int borderLeft = getPaddingLeft();
        int borderRight = getPaddingRight();

        android.view.ViewGroup.LayoutParams params = child.getLayoutParams();
        LayoutParams layoutParams = params instanceof PreferenceFrameLayout.LayoutParams
            ? (PreferenceFrameLayout.LayoutParams) child.getLayoutParams() : null;
        // Check on the id of the child before adding it.
        if (layoutParams != null && layoutParams.removeBorders) {
            if (mPaddingApplied) {
                borderTop -= mBorderTop;
                borderBottom -= mBorderBottom;
                borderLeft -= mBorderLeft;
                borderRight -= mBorderRight;
                mPaddingApplied = false;
            }
        } else {
            // Add the padding to the view group after determining if the
            // padding already exists.
            if (!mPaddingApplied) {
                borderTop += mBorderTop;
                borderBottom += mBorderBottom;
                borderLeft += mBorderLeft;
                borderRight += mBorderRight;
                mPaddingApplied = true;
            }
        }

        int previousTop = getPaddingTop();
        int previousBottom = getPaddingBottom();
        int previousLeft = getPaddingLeft();
        int previousRight = getPaddingRight();
        if (previousTop != borderTop || previousBottom != borderBottom
                || previousLeft != borderLeft || previousRight != borderRight) {
            setPadding(borderLeft, borderTop, borderRight, borderBottom);
        }

        super.addView(child);
public android.preference.PreferenceFrameLayout$LayoutParamsgenerateLayoutParams(android.util.AttributeSet attrs)
{@inheritDoc}

        return new LayoutParams(getContext(), attrs);