Java Code Examples for android.support.v4.view.MarginLayoutParamsCompat#setMarginStart()

public void restoreMarginLayoutParams(MarginLayoutParams params) {
    restoreLayoutParams(params);
    params.leftMargin = this.mPreservedParams.leftMargin;
    params.topMargin = this.mPreservedParams.topMargin;
    params.rightMargin = this.mPreservedParams.rightMargin;
    params.bottomMargin = this.mPreservedParams.bottomMargin;
    MarginLayoutParamsCompat.setMarginStart(params, MarginLayoutParamsCompat.getMarginStart(this.mPreservedParams));
    MarginLayoutParamsCompat.setMarginEnd(params, MarginLayoutParamsCompat.getMarginEnd(this.mPreservedParams));
}
 

/**
 * Restores the original dimensions and margins after they were changed for percentage based
 * values. You should call this method only if you previously called
 * {@link PercentLayoutHelper.PercentLayoutInfo#fillMarginLayoutParams(View, ViewGroup.MarginLayoutParams, int, int)}.
 */
public void restoreMarginLayoutParams(ViewGroup.MarginLayoutParams params) {
    restoreLayoutParams(params);
    params.leftMargin = mPreservedParams.leftMargin;
    params.topMargin = mPreservedParams.topMargin;
    params.rightMargin = mPreservedParams.rightMargin;
    params.bottomMargin = mPreservedParams.bottomMargin;
    MarginLayoutParamsCompat.setMarginStart(params,
            MarginLayoutParamsCompat.getMarginStart(mPreservedParams));
    MarginLayoutParamsCompat.setMarginEnd(params,
            MarginLayoutParamsCompat.getMarginEnd(mPreservedParams));
}
 

/**
 * Restores original dimensions and margins after they were changed for percentage based
 * values. Calling this method only makes sense if you previously called
 * {@link PercentLayoutHelper.PercentLayoutInfo#fillMarginLayoutParams}.
 */
public void restoreMarginLayoutParams(ViewGroup.MarginLayoutParams params)
{
    restoreLayoutParams(params);
    params.leftMargin = mPreservedParams.leftMargin;
    params.topMargin = mPreservedParams.topMargin;
    params.rightMargin = mPreservedParams.rightMargin;
    params.bottomMargin = mPreservedParams.bottomMargin;
    MarginLayoutParamsCompat.setMarginStart(params,
            MarginLayoutParamsCompat.getMarginStart(mPreservedParams));
    MarginLayoutParamsCompat.setMarginEnd(params,
            MarginLayoutParamsCompat.getMarginEnd(mPreservedParams));
}
 

public void fillMarginLayoutParams(MarginLayoutParams params, int widthHint, int heightHint) {
    int base;
    fillLayoutParams(params, widthHint, heightHint);
    this.mPreservedParams.leftMargin = params.leftMargin;
    this.mPreservedParams.topMargin = params.topMargin;
    this.mPreservedParams.rightMargin = params.rightMargin;
    this.mPreservedParams.bottomMargin = params.bottomMargin;
    MarginLayoutParamsCompat.setMarginStart(this.mPreservedParams, MarginLayoutParamsCompat.getMarginStart(params));
    MarginLayoutParamsCompat.setMarginEnd(this.mPreservedParams, MarginLayoutParamsCompat.getMarginEnd(params));
    if (this.leftMarginPercent != null) {
        params.leftMargin = (int) (((float) (this.leftMarginPercent.isBaseWidth ? widthHint : heightHint)) * this.leftMarginPercent.percent);
    }
    if (this.topMarginPercent != null) {
        if (this.topMarginPercent.isBaseWidth) {
            base = widthHint;
        } else {
            base = heightHint;
        }
        params.topMargin = (int) (((float) base) * this.topMarginPercent.percent);
    }
    if (this.rightMarginPercent != null) {
        if (this.rightMarginPercent.isBaseWidth) {
            base = widthHint;
        } else {
            base = heightHint;
        }
        params.rightMargin = (int) (((float) base) * this.rightMarginPercent.percent);
    }
    if (this.bottomMarginPercent != null) {
        if (this.bottomMarginPercent.isBaseWidth) {
            base = widthHint;
        } else {
            base = heightHint;
        }
        params.bottomMargin = (int) (((float) base) * this.bottomMarginPercent.percent);
    }
    if (this.startMarginPercent != null) {
        if (this.startMarginPercent.isBaseWidth) {
            base = widthHint;
        } else {
            base = heightHint;
        }
        MarginLayoutParamsCompat.setMarginStart(params, (int) (((float) base) * this.startMarginPercent.percent));
    }
    if (this.endMarginPercent != null) {
        if (this.endMarginPercent.isBaseWidth) {
            base = widthHint;
        } else {
            base = heightHint;
        }
        MarginLayoutParamsCompat.setMarginEnd(params, (int) (((float) base) * this.endMarginPercent.percent));
    }
    if (Log.isLoggable(PercentLayoutHelper.TAG, 3)) {
        Log.d(PercentLayoutHelper.TAG, "after fillMarginLayoutParams: (" + params.width + ", " + params.height + ")");
    }
}
 

/**
 * Fills the margin fields of the passed {@link ViewGroup.MarginLayoutParams} object based
 * on currently set percentage values and the current layout direction of the passed
 * {@link View}.
 */
public void fillMarginLayoutParams(View view, ViewGroup.MarginLayoutParams params,
                                   int widthHint, int heightHint) {
    fillLayoutParams(params, widthHint, heightHint);

    // Preserve the original margins, so we can restore them after the measure step.
    mPreservedParams.leftMargin = params.leftMargin;
    mPreservedParams.topMargin = params.topMargin;
    mPreservedParams.rightMargin = params.rightMargin;
    mPreservedParams.bottomMargin = params.bottomMargin;
    MarginLayoutParamsCompat.setMarginStart(mPreservedParams,
            MarginLayoutParamsCompat.getMarginStart(params));
    MarginLayoutParamsCompat.setMarginEnd(mPreservedParams,
            MarginLayoutParamsCompat.getMarginEnd(params));
    int screenWidth = ScreenUtil.getScreenWidth(view.getContext());

    if (leftMarginPercentX >= 0) {
        params.leftMargin = Math.round(widthHint * leftMarginPercentX);
    }
    else if (leftMarginPercentY >= 0) {
        params.leftMargin = Math.round(heightHint * leftMarginPercentY);
    }
    else if (leftMarginPercentScreenX >= 0) {
        params.leftMargin = Math.round(screenWidth * leftMarginPercentScreenX);
    }


    if (topMarginPercentX >= 0) {
        params.topMargin = Math.round(widthHint * topMarginPercentX);
    }
    else if (topMarginPercentY >= 0) {
        params.topMargin = Math.round(heightHint * topMarginPercentY);
    }
    else if (topMarginPercentScreenX >= 0) {
        params.topMargin = Math.round(screenWidth * topMarginPercentScreenX);
    }


    if (rightMarginPercentX >= 0) {
        params.rightMargin = Math.round(widthHint * rightMarginPercentX);
    }
    else if (rightMarginPercentY >= 0) {
        params.rightMargin = Math.round(heightHint * rightMarginPercentY);
    }
    else if (rightMarginPercentScreenX >= 0) {
        params.rightMargin = Math.round(screenWidth * rightMarginPercentScreenX);
    }


    if (bottomMarginPercentX >= 0) {
        params.bottomMargin = Math.round(widthHint * bottomMarginPercentX);
    }
    else if(bottomMarginPercentY >= 0){
        params.bottomMargin = Math.round(heightHint * bottomMarginPercentY);
    }
    else if(bottomMarginPercentScreenX >= 0){
        params.bottomMargin = Math.round(screenWidth * bottomMarginPercentScreenX);
    }


    boolean shouldResolveLayoutDirection = false;
    if (startMarginPercent >= 0) {
        MarginLayoutParamsCompat.setMarginStart(params,
                Math.round(widthHint * startMarginPercent));
        shouldResolveLayoutDirection = true;
    }
    if (endMarginPercent >= 0) {
        MarginLayoutParamsCompat.setMarginEnd(params,
                Math.round(widthHint * endMarginPercent));
        shouldResolveLayoutDirection = true;
    }
    if (shouldResolveLayoutDirection && (view != null)) {
        // Force the resolve pass so that start / end margins are propagated to the
        // matching left / right fields
        MarginLayoutParamsCompat.resolveLayoutDirection(params,
                ViewCompat.getLayoutDirection(view));
    }
    if (DEBUG) {
        Log.d(TAG, "after fillMarginLayoutParams: (" + params.width + ", " + params.height
                + ")");
    }
}
 

private void applyXmlAttributes(AttributeSet attrs, @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
    final TypedArray a = getContext().obtainStyledAttributes(attrs,
            R.styleable.FloatingSearchView, defStyleAttr, defStyleRes);

    // Search bar width
    View suggestionsContainer = findViewById(R.id.fsv_suggestions_container);
    int searchBarWidth = a.getDimensionPixelSize(R.styleable.FloatingSearchView_fsv_searchBarWidth,
            mSearchContainer.getLayoutParams().width);
    mSearchContainer.getLayoutParams().width = searchBarWidth;
    suggestionsContainer.getLayoutParams().width = searchBarWidth;

    // Divider
    mDivider.setBackgroundDrawable(a.getDrawable(R.styleable.FloatingSearchView_android_divider));
    int dividerHeight = a.getDimensionPixelSize(R.styleable.FloatingSearchView_android_dividerHeight, -1);

    MarginLayoutParams dividerLP = (MarginLayoutParams) mDivider.getLayoutParams();

    if(mDivider.getBackground() != null && dividerHeight != -1)
        dividerLP.height = dividerHeight;

    float maxShadowSize = mSearchBackground.getMaxShadowSize();
    float cornerRadius = mSearchBackground.getCornerRadius();
    int horizontalPadding = (int) (RoundRectDrawableWithShadow.calculateHorizontalPadding(
            maxShadowSize, cornerRadius, false) + .5f);

    dividerLP.setMargins(horizontalPadding, dividerLP.topMargin, horizontalPadding, dividerLP.bottomMargin);
    mDivider.setLayoutParams(dividerLP);

    // Content inset
    MarginLayoutParams searchParams = (MarginLayoutParams) mSearchInput.getLayoutParams();

    int contentInsetStart = a.getDimensionPixelSize(R.styleable.FloatingSearchView_contentInsetStart,
            MarginLayoutParamsCompat.getMarginStart(searchParams));
    int contentInsetEnd = a.getDimensionPixelSize(R.styleable.FloatingSearchView_contentInsetEnd,
            MarginLayoutParamsCompat.getMarginEnd(searchParams));

    MarginLayoutParamsCompat.setMarginStart(searchParams, contentInsetStart);
    MarginLayoutParamsCompat.setMarginEnd(searchParams, contentInsetEnd);

    // anything else
    setLogo(a.getDrawable(R.styleable.FloatingSearchView_logo));
    setContentBackgroundColor(a.getColor(R.styleable.FloatingSearchView_fsv_contentBackgroundColor, DEFAULT_CONTENT_COLOR));
    setRadius(a.getDimensionPixelSize(R.styleable.FloatingSearchView_fsv_cornerRadius, ViewUtils.dpToPx(DEFAULT_RADIUS)));
    inflateMenu(a.getResourceId(R.styleable.FloatingSearchView_fsv_menu, 0));
    setPopupTheme(a.getResourceId(R.styleable.FloatingSearchView_popupTheme, 0));
    setHint(a.getString(R.styleable.FloatingSearchView_android_hint));
    setIcon(a.getDrawable(R.styleable.FloatingSearchView_fsv_icon));

    a.recycle();
}
 

private void applyXmlAttributes(AttributeSet attrs, @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
    final TypedArray a = getContext().obtainStyledAttributes(attrs,
            R.styleable.FloatingSearchView, defStyleAttr, defStyleRes);

    // Search bar width
    View suggestionsContainer = findViewById(R.id.fsv_suggestions_container);
    int searchBarWidth = a.getDimensionPixelSize(R.styleable.FloatingSearchView_fsv_searchBarWidth,
            mSearchContainer.getLayoutParams().width);
    mSearchContainer.getLayoutParams().width = searchBarWidth;
    suggestionsContainer.getLayoutParams().width = searchBarWidth;

    // Divider
    mDivider.setBackgroundDrawable(a.getDrawable(R.styleable.FloatingSearchView_android_divider));
    int dividerHeight = a.getDimensionPixelSize(R.styleable.FloatingSearchView_android_dividerHeight, -1);

    MarginLayoutParams dividerLP = (MarginLayoutParams) mDivider.getLayoutParams();

    if(mDivider.getBackground() != null && dividerHeight != -1)
        dividerLP.height = dividerHeight;

    float maxShadowSize = mSearchBackground.getMaxShadowSize();
    float cornerRadius = mSearchBackground.getCornerRadius();
    int horizontalPadding = (int) (RoundRectDrawableWithShadow.calculateHorizontalPadding(
            maxShadowSize, cornerRadius, false) + .5f);

    dividerLP.setMargins(horizontalPadding, dividerLP.topMargin, horizontalPadding, dividerLP.bottomMargin);
    mDivider.setLayoutParams(dividerLP);

    // Content inset
    MarginLayoutParams searchParams = (MarginLayoutParams) mSearchInput.getLayoutParams();

    int contentInsetStart = a.getDimensionPixelSize(R.styleable.FloatingSearchView_contentInsetStart,
            MarginLayoutParamsCompat.getMarginStart(searchParams));
    int contentInsetEnd = a.getDimensionPixelSize(R.styleable.FloatingSearchView_contentInsetEnd,
            MarginLayoutParamsCompat.getMarginEnd(searchParams));

    MarginLayoutParamsCompat.setMarginStart(searchParams, contentInsetStart);
    MarginLayoutParamsCompat.setMarginEnd(searchParams, contentInsetEnd);

    // anything else
    setLogo(a.getDrawable(R.styleable.FloatingSearchView_logo));
    setContentBackgroundColor(a.getColor(R.styleable.FloatingSearchView_fsv_contentBackgroundColor, DEFAULT_CONTENT_COLOR));
    setRadius(a.getDimensionPixelSize(R.styleable.FloatingSearchView_fsv_cornerRadius, ViewUtils.dpToPx(DEFAULT_RADIUS)));
    inflateMenu(a.getResourceId(R.styleable.FloatingSearchView_fsv_menu, 0));
    setPopupTheme(a.getResourceId(R.styleable.FloatingSearchView_popupTheme, 0));
    setHint(a.getString(R.styleable.FloatingSearchView_android_hint));
    setIcon(a.getDrawable(R.styleable.FloatingSearchView_fsv_icon));

    a.recycle();
}
 

private void addRowForAnswer(final Context context, final TableLayout tableLayout, final DecisionTree.Question question, final DecisionTree.BaseButton answer) {
    final TableRow row = new TableRow(context);
    final TableLayout.LayoutParams params = new TableLayout.LayoutParams(TableLayout.LayoutParams.MATCH_PARENT,
            TableLayout.LayoutParams.WRAP_CONTENT);
    params.setMargins(0, UiUtils.getPxForDpResource(context, R.dimen.standard_large_margin), 0, 0);
    tableLayout.addView(row, params);


    final LinearLayout layoutVertical = new LinearLayout(context);
    layoutVertical.setOrientation(LinearLayout.VERTICAL);

    final TextView textViewAnswer = new AppCompatTextView(context);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        textViewAnswer.setTextAppearance(R.style.TextAppearance_AppCompat_Subhead);
    } else {
        //noinspection deprecation
        textViewAnswer.setTextAppearance(context, R.style.TextAppearance_AppCompat_Subhead);
    }
    textViewAnswer.setText(answer.getText());
    layoutVertical.addView(textViewAnswer,
            new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT));

    final LinearLayout layoutHorizontal = new LinearLayout(context);
    layoutHorizontal.setOrientation(LinearLayout.HORIZONTAL);
    final LinearLayout.LayoutParams paramsHorizontal = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
            LinearLayout.LayoutParams.WRAP_CONTENT);
    paramsHorizontal.setMargins(0, UiUtils.getPxForDpResource(context, R.dimen.standard_margin), 0, 0);
    layoutVertical.addView(layoutHorizontal, paramsHorizontal);

    final BitmapDrawable icon = getIcon(context, answer);
    final ImageView imageIcon = new ImageView(context);
    imageIcon.setImageDrawable(icon);
    layoutHorizontal.addView(imageIcon);

    final LinearLayout.LayoutParams paramsImage = new LinearLayout.LayoutParams(
            LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);

    // TODO: Use a custom FlowTable class to avoid items going off the right edge of the screen
    // when there are too many.
    final Singleton singleton = getSingleton();
    for (int i = 0; i < answer.getExamplesCount(); i++) {

        final String iconName = answer.getExampleIconName(question.getId(), i);
        final BitmapDrawable iconExample = singleton.getIconDrawable(context, iconName);
        final ImageButton imageExample = new ImageButton(context);
        //Remove the space between the image and the outside of the button:
        imageExample.setPadding(0, 0, 0, 0);
        imageExample.setImageDrawable(iconExample);

        //Needed to make the image expand as a transition into the SubjectViewerActivity,
        //which uses the same name in fragment_subject.xml
        ViewCompat.setTransitionName(imageExample, getString(R.string.transition_subject_image));

        //This requires API level 17: paramsImage.setMarginStart(getPxForDp(activity, MARGIN_MEDIUM_DP));
        //imageExample.setLayoutParams(paramsImage);
        MarginLayoutParamsCompat.setMarginStart(paramsImage, UiUtils.getPxForDpResource(context, R.dimen.standard_large_margin));

        final int answerIndex = i;
        imageExample.setOnClickListener(new View.OnClickListener() {
            public void onClick(final View v) {
                // Perform action on click
                onExampleImageClicked(v, answer, answerIndex);
            }
        });

        layoutHorizontal.addView(imageExample, paramsImage);
    }

    row.addView(layoutVertical,
            new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.WRAP_CONTENT));
}