android.support.v7.widget.GridLayout Java Examples

private void setTraits(Asset asset) {
    if (asset.getTraits() != null && !asset.getTraits().isEmpty()) {
        if (asset.getAssetContract().getName().equals("CryptoKitties")) {
            labelAttributes.setText(R.string.label_cattributes);
        } else {
            labelAttributes.setText(R.string.label_attributes);
        }
        for (Trait trait : asset.getTraits()) {
            View attributeView = View.inflate(this, R.layout.item_attribute, null);
            TextView traitType = attributeView.findViewById(R.id.trait);
            TextView traitValue = attributeView.findViewById(R.id.value);
            GridLayout.LayoutParams params = new GridLayout.LayoutParams(
                    GridLayout.spec(GridLayout.UNDEFINED, 1f),
                    GridLayout.spec(GridLayout.UNDEFINED, 1f));
            attributeView.setLayoutParams(params);
            traitType.setText(trait.getTraitType());
            traitValue.setText(trait.getValue());
            grid.addView(attributeView);
        }
    } else {
        labelAttributes.setVisibility(View.GONE);
    }
}
 

private View createOptionIcon(GridLayout parent, int rowIndex, boolean editIconExists) {
    // The icon has a pre-defined width.
    ImageView optionIcon = new ImageView(parent.getContext());
    optionIcon.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
    if (mOption.isEditable()) {
        optionIcon.setMaxWidth(mEditableOptionIconMaxWidth);
    } else {
        optionIcon.setMaxWidth(mNonEditableOptionIconMaxWidth);
    }
    optionIcon.setAdjustViewBounds(true);
    optionIcon.setImageDrawable(mOption.getDrawableIcon());

    // Place option icon at column three if no edit icon.
    int columnStart = editIconExists ? 2 : 3;
    GridLayout.LayoutParams iconParams =
            new GridLayout.LayoutParams(GridLayout.spec(rowIndex, 1, GridLayout.CENTER),
                    GridLayout.spec(columnStart, 1, GridLayout.CENTER));
    iconParams.topMargin = mVerticalMargin;
    parent.addView(optionIcon, iconParams);

    optionIcon.setOnClickListener(OptionSection.this);
    return optionIcon;
}
 

@Override
protected void createMainSectionContent(LinearLayout mainSectionLayout) {
    Context context = mainSectionLayout.getContext();

    // Add a label that will be used to indicate that the total cart price has been updated.
    addUpdateText(mainSectionLayout);

    // The breakdown is represented by an end-aligned GridLayout that takes up only as much
    // space as it needs.  The GridLayout ensures a consistent margin between the columns.
    mBreakdownLayout = new GridLayout(context);
    mBreakdownLayout.setColumnCount(2);
    LayoutParams breakdownParams =
            new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
    breakdownParams.gravity = Gravity.END;
    mainSectionLayout.addView(mBreakdownLayout, breakdownParams);

    // Sets the summary right text view takes the same available space as the summary left
    // text view.
    LinearLayout.LayoutParams rightTextViewLayoutParams =
            (LinearLayout.LayoutParams) getSummaryRightTextView().getLayoutParams();
    rightTextViewLayoutParams.width = 0;
    rightTextViewLayoutParams.weight = 1f;
}
 

@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
    int preselect = getArguments().getInt("preselect");
    View view = View.inflate(getActivity(), R.layout.dialog_color_chooser, null);
    mColors = initColors();

    GridLayout gridLayout = (GridLayout) view.findViewById(R.id.grid);

    for (int i = 0; i < mColors.length; i++) {
        gridLayout.addView(getColorItemView(getActivity(), i, i == preselect));
    }
    AlertDialog dialog = new AlertDialog.Builder(getActivity())
            .setTitle(R.string.color_chooser)
            .setView(view)
            .show();
    return dialog;
}
 

/**
 * 将倒影布局添加到GridLayout容器中
 */
private void addReflectionImageView() {
    mReflectionImageView = new ImageView(mContext);

    GridLayout.LayoutParams layoutParams = new GridLayout.LayoutParams();
    layoutParams.width = mColumnCount * mBaseWidth
            + ((mColumnCount > 1 ? mHorizontalMargin * (mColumnCount - 1) : 0));
    layoutParams.height = mBaseHeight;
    layoutParams.rowSpec = GridLayout.spec(mRowCount - 1, 1);
    layoutParams.columnSpec = GridLayout.spec(0, mColumnCount);

    mReflectionImageView.setLayoutParams(layoutParams);
    mReflectionImageView.setScaleType(ImageView.ScaleType.FIT_XY);

    this.refreshReflection(0);
    mGridLayout.addView(mReflectionImageView);

    mReflectionImageView.setVisibility(mVisibility);
}
 

@Override
public void run() {
    switch (mBackspaceLocation) {
        case LOCATION_HEADER:
            break;
        case LOCATION_FOOTER:
            ((ViewGroup) mHeader).removeView(mBackspace);
            // The row of the cell in which the backspace key should go.
            // This specifies the row index, which spans one increment,
            // and indicates the cell should be filled along the row
            // (horizontal) axis.
            final GridLayout.Spec rowSpec = GridLayout.spec(
                    mNumberPad.getRowCount() - 1, GridLayout.FILL);
            // The column of the cell in which the backspace key should go.
            // This specifies the column index, which spans one increment,
            // and indicates the cell should be filled along the column
            // (vertical) axis.
            final GridLayout.Spec columnSpec = GridLayout.spec(
                    mNumberPad.getColumnCount() - 1, GridLayout.FILL);
            mNumberPad.addView(mBackspace, new GridLayout.LayoutParams(
                    rowSpec, columnSpec));
            break;
    }
}
 

private void initViews() {
    title = findViewById(R.id.title);
    image = findViewById(R.id.image);
    layoutImage = findViewById(R.id.layout_image);
    name = findViewById(R.id.name);
    desc = findViewById(R.id.description);
    id = findViewById(R.id.id);
    generation = findViewById(R.id.generation);
    cooldown = findViewById(R.id.cooldown);
    openExternal = findViewById(R.id.open_external);
    labelAttributes = findViewById(R.id.label_attributes);
    grid = findViewById(R.id.grid);
    grid.setAlignmentMode(GridLayout.ALIGN_BOUNDS);
    grid.setUseDefaultMargins(false);
    functionBar = findViewById(R.id.layoutButtons);
    if (functionBar != null)
    {
        List<BigInteger> selection = new ArrayList<>();
        selection.add(new BigInteger(asset.getTokenId(16), 16));
        functionBar.setupFunctions(this, viewModel.getAssetDefinitionService(), token, null, selection);
        functionBar.revealButtons();
    }
}
 

/**
 * 根据屏幕方向创建按钮
 */
public void createActionButton() {
    if (!actionBtnArray.isEmpty()) actionBtnArray.clear();
    for (int rowIndex = 0; rowIndex < currentPageRow; rowIndex++)
        for (int colIndex = 0; colIndex < currentPageCol; colIndex++) {
            View view = LayoutInflater.from(getContext()).inflate(R.layout.layout_action_button, null);
            ViewGroup actionBtn = view.findViewById(R.id.actionBtn);
            actionBtn.setTag(getButtonIndex(rowIndex, colIndex));
            actionBtn.setOnClickListener(this);
            GridLayout.LayoutParams gridLayoutParam = new GridLayout.LayoutParams(
                    GridLayout.spec(rowIndex, 1f),
                    GridLayout.spec(colIndex, 1f)
            );
            gridLayoutParam.setMargins(1, 1, 1, 1);
            gridLayoutParam.height = 0;
            gridLayoutParam.width = 0;
            addView(view, gridLayoutParam);
            UiButtonItem item = new UiButtonItem();
            item.button = actionBtn;
            item.imageView = view.findViewById(R.id.actionBtnBg);
            item.textView = view.findViewById(R.id.actionBtnText);
            actionBtnArray.put(getButtonIndex(rowIndex, colIndex), item);
        }
}
 

@Override
public void run() {
    switch (mBackspaceLocation) {
        case LOCATION_HEADER:
            break;
        case LOCATION_FOOTER:
            ((ViewGroup) mHeader).removeView(mBackspace);
            // The row of the cell in which the backspace key should go.
            // This specifies the row index, which spans one increment,
            // and indicates the cell should be filled along the row
            // (horizontal) axis.
            final GridLayout.Spec rowSpec = GridLayout.spec(
                    mNumberPad.getRowCount() - 1, GridLayout.FILL);
            // The column of the cell in which the backspace key should go.
            // This specifies the column index, which spans one increment,
            // and indicates the cell should be filled along the column
            // (vertical) axis.
            final GridLayout.Spec columnSpec = GridLayout.spec(
                    mNumberPad.getColumnCount() - 1, GridLayout.FILL);
            mNumberPad.addView(mBackspace, new GridLayout.LayoutParams(
                    rowSpec, columnSpec));
            break;
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    Log.i(getClass().getName(), "onCreate");
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_student_selection);

    LiteracyApplication literacyApplication = (LiteracyApplication) getApplication();
    studentDao = literacyApplication.getDaoSession().getStudentDao();

    studentSelectionGridLayout = (GridLayout) findViewById(R.id.studentSelectionGridLayout);
}
 

@Override
protected void createMainSectionContent(LinearLayout mainSectionLayout) {
    Context context = mainSectionLayout.getContext();
    mCheckingProgress = createLoadingSpinner();

    mOptionLayout = new GridLayout(context);
    mOptionLayout.setColumnCount(4);
    mainSectionLayout.addView(mOptionLayout, new LinearLayout.LayoutParams(
            LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
}
 

private View createEditIcon(GridLayout parent, int rowIndex) {
    View editorIcon = LayoutInflater.from(parent.getContext())
                              .inflate(R.layout.payment_option_edit_icon, null);

    // The icon floats to the right of everything.
    GridLayout.LayoutParams iconParams =
            new GridLayout.LayoutParams(GridLayout.spec(rowIndex, 1, GridLayout.CENTER),
                    GridLayout.spec(3, 1, GridLayout.CENTER));
    iconParams.topMargin = mVerticalMargin;
    parent.addView(editorIcon, iconParams);

    editorIcon.setOnClickListener(OptionSection.this);
    return editorIcon;
}
 

public OptionRow(GridLayout parent, int rowIndex, int rowType,
        @Nullable PaymentOption item, boolean isSelected) {
    assert item != null || rowType != OPTION_ROW_TYPE_OPTION;
    boolean optionIconExists = item != null && item.getDrawableIcon() != null;
    boolean editIconExists = item != null && item.isEditable() && isSelected;
    boolean isEnabled = item != null && item.isValid();
    mRowType = rowType;
    mOption = item;
    mButton = createButton(parent, rowIndex, isSelected, isEnabled);
    mLabel = createLabel(parent, rowIndex, optionIconExists, editIconExists, isEnabled);
    mOptionIcon = optionIconExists
            ? createOptionIcon(parent, rowIndex, editIconExists) : null;
    mEditIcon = editIconExists ? createEditIcon(parent, rowIndex) : null;
}
 

private View getColorItemView(final Context context, int position, boolean isSelect) {
    int color = mColors[position];
    int widthImageCheckView = Utils.convertDensityPix(context, 24);
    int widthColorView = Utils.convertDensityPix(context, 56);
    int widthMargin = Utils.convertDensityPix(context, 4);

    ImageView imageView = new ImageView(context);
    imageView.setImageResource(R.drawable.ic_done_white_24dp);

    FrameLayout.LayoutParams ivParams = new FrameLayout.LayoutParams(widthImageCheckView, widthImageCheckView);
    ivParams.gravity = Gravity.CENTER;
    imageView.setLayoutParams(ivParams);
    imageView.setVisibility(isSelect ? View.VISIBLE : View.INVISIBLE);

    FrameLayout frameLayout = new FrameLayout(context);
    GridLayout.LayoutParams params = new GridLayout.LayoutParams(new FrameLayout.LayoutParams(widthColorView, widthColorView));
    params.setGravity(Gravity.CENTER);
    params.setMargins(widthMargin, widthMargin, widthMargin, widthMargin);
    frameLayout.setLayoutParams(params);

    setBackgroundSelector(frameLayout, color);

    frameLayout.addView(imageView);
    frameLayout.setOnClickListener(this);
    frameLayout.setTag(position);
    return frameLayout;
}
 

public GridViewHolder(GridLayout gridLayout) {
    mGridLayout = gridLayout;

    mAddedView = new LinkedBlockingQueue<>();
    mRemovedView = new LinkedBlockingQueue<>();

    init();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    Log.i(getClass().getName(), "onCreate");
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_student_selection);

    LiteracyApplication literacyApplication = (LiteracyApplication) getApplication();
    studentDao = literacyApplication.getDaoSession().getStudentDao();

    studentSelectionGridLayout = (GridLayout) findViewById(R.id.studentSelectionGridLayout);
}
 

private GridBuilder(Context context, GridLayout gridLayout) {
    this.mContext = context;
    this.mGridLayout = gridLayout;
    this.mLayoutInflater = LayoutInflater.from(context);

    // 不使用默认margin
    this.mGridLayout.setUseDefaultMargins(false);
    this.mGridLayout.setAlignmentMode(GridLayout.ALIGN_BOUNDS);
    this.mGridLayout.setClipChildren(false);
    this.mGridLayout.setClipToPadding(false);
}
 

private GridLayout.LayoutParams getLayoutParams() {
    GridLayout.LayoutParams layoutParams;
    layoutParams = new GridLayout.LayoutParams(
            GridLayout.spec(GridLayout.UNDEFINED, 1f),
            GridLayout.spec(GridLayout.UNDEFINED, 1f));
    layoutParams.width = 0;
    return layoutParams;
}
 

public static BaseDSL.ViewClassResult gridLayout() {
  return BaseDSL.v(GridLayout.class);
}
 

public static Void gridLayout(Anvil.Renderable r) {
  return BaseDSL.v(GridLayout.class, r);
}
 

public boolean set(View v, String name, final Object arg, final Object old) {
  switch (name) {
    case "alignmentMode":
      if (v instanceof GridLayout && arg instanceof Integer) {
        ((GridLayout) v).setAlignmentMode((int) arg);
        return true;
      }
      break;
    case "columnCount":
      if (v instanceof GridLayout && arg instanceof Integer) {
        ((GridLayout) v).setColumnCount((int) arg);
        return true;
      }
      break;
    case "columnOrderPreserved":
      if (v instanceof GridLayout && arg instanceof Boolean) {
        ((GridLayout) v).setColumnOrderPreserved((boolean) arg);
        return true;
      }
      break;
    case "orientation":
      if (v instanceof GridLayout && arg instanceof Integer) {
        ((GridLayout) v).setOrientation((int) arg);
        return true;
      }
      break;
    case "printer":
      if (v instanceof GridLayout && arg instanceof Printer) {
        ((GridLayout) v).setPrinter((Printer) arg);
        return true;
      }
      break;
    case "rowCount":
      if (v instanceof GridLayout && arg instanceof Integer) {
        ((GridLayout) v).setRowCount((int) arg);
        return true;
      }
      break;
    case "rowOrderPreserved":
      if (v instanceof GridLayout && arg instanceof Boolean) {
        ((GridLayout) v).setRowOrderPreserved((boolean) arg);
        return true;
      }
      break;
    case "useDefaultMargins":
      if (v instanceof GridLayout && arg instanceof Boolean) {
        ((GridLayout) v).setUseDefaultMargins((boolean) arg);
        return true;
      }
      break;
  }
  return false;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    Log.i(getClass().getName(), "onCreate");
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_letters);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setDisplayShowTitleEnabled(false);

    LiteracyApplication literacyApplication = (LiteracyApplication) getApplicationContext();
    letterDao = literacyApplication.getDaoSession().getLetterDao();
    audioDao = literacyApplication.getDaoSession().getAudioDao();

    letterGridLayout = (GridLayout) findViewById(R.id.letterGridLayout);


    ContentProvider.initializeDb(this);
    List<Allophone> allophones = ContentProvider.getAllAllophones();
    Log.i(getClass().getName(), "allophones: " + allophones);
    Log.i(getClass().getName(), "allophones.size(): " + allophones.size());

    List<Letter> letters = new CurriculumHelper(getApplication()).getAvailableLetters(null);
    Log.i(getClass().getName(), "letters.size(): " + letters.size());
    for (final Letter letter : letters) {
        View letterView = LayoutInflater.from(this).inflate(R.layout.content_letters_letter_view, letterGridLayout, false);
        TextView letterTextView = (TextView) letterView.findViewById(R.id.letterTextView);
        letterTextView.setText(letter.getText());

        letterView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.i(getClass().getName(), "onClick");

                playLetterSound(letter);

                EventTracker.reportLetterLearningEvent(getApplicationContext(), letter.getText());

                Intent scrollingLetterIntent = new Intent(getApplicationContext(), ScrollingLetterActivity.class);
                scrollingLetterIntent.putExtra("letter", letter.getText());
                startActivity(scrollingLetterIntent);
            }
        });

        letterGridLayout.addView(letterView);
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    Log.i(getClass().getName(), "onCreate");
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_numbers);

    getWindow().setStatusBarColor(Color.parseColor("#1C80CF"));

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setDisplayShowTitleEnabled(false);
    getSupportActionBar().setBackgroundDrawable(getDrawable(R.color.blue));

    LiteracyApplication literacyApplication = (LiteracyApplication) getApplicationContext();
    numberDao = literacyApplication.getDaoSession().getNumberDao();
    audioDao = literacyApplication.getDaoSession().getAudioDao();

    numberGridLayout = (GridLayout) findViewById(R.id.numberGridLayout);


    List<Number> numbers = new CurriculumHelper(getApplication()).getAvailableNumbers(null);
    Log.i(getClass().getName(), "numbers.size(): " + numbers.size());
    for (final Number number : numbers) {
        View numberView = LayoutInflater.from(this).inflate(R.layout.content_numbers_number_view, numberGridLayout, false);
        TextView numberTextView = (TextView) numberView.findViewById(R.id.numberTextView);
        if (!TextUtils.isEmpty(number.getSymbol())) {
            numberTextView.setText(number.getSymbol());
        } else {
            numberTextView.setText(number.getValue().toString());
        }

        numberView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.i(getClass().getName(), "onClick");

                Log.i(getClass().getName(), "number.getValue(): " + number.getValue());
                Log.i(getClass().getName(), "number.getSymbol(): " + number.getSymbol());
                Log.i(getClass().getName(), "number.getAllWords(): " + number.getWords());
                if (!number.getWords().isEmpty()) {
                    for (Word numberWord : number.getWords()) {
                        Log.i(getClass().getName(), "numberWord.getText(): " + numberWord.getText());
                    }
                }

                playNumberSound(number);

                EventTracker.reportNumberLearningEvent(getApplicationContext(), number.getValue());

                Intent numberIntent = new Intent(getApplicationContext(), NumberActivity.class);
                numberIntent.putExtra("number", number.getValue());
                startActivity(numberIntent);
            }
        });

        numberGridLayout.addView(numberView);
    }
}
 

DonateViewHolder(View view) {
    super(view);
    donateHeading = (TextView) view.findViewById(R.id.donate_header);
    donationOptionsLayout = (GridLayout) view.findViewById(R.id.donation_options);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    Log.i(getClass().getName(), "onCreate");
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_letters);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setDisplayShowTitleEnabled(false);

    LiteracyApplication literacyApplication = (LiteracyApplication) getApplicationContext();
    letterDao = literacyApplication.getDaoSession().getLetterDao();
    audioDao = literacyApplication.getDaoSession().getAudioDao();

    letterGridLayout = (GridLayout) findViewById(R.id.letterGridLayout);


    ContentProvider.initializeDb(this);
    List<Allophone> allophones = ContentProvider.getAllAllophones();
    Log.i(getClass().getName(), "allophones: " + allophones);
    Log.i(getClass().getName(), "allophones.size(): " + allophones.size());

    List<Letter> letters = new CurriculumHelper(getApplication()).getAvailableLetters(null);
    Log.i(getClass().getName(), "letters.size(): " + letters.size());
    for (final Letter letter : letters) {
        View letterView = LayoutInflater.from(this).inflate(R.layout.content_letters_letter_view, letterGridLayout, false);
        TextView letterTextView = (TextView) letterView.findViewById(R.id.letterTextView);
        letterTextView.setText(letter.getText());

        letterView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.i(getClass().getName(), "onClick");

                playLetterSound(letter);

                EventTracker.reportLetterLearningEvent(getApplicationContext(), letter.getText());

                Intent scrollingLetterIntent = new Intent(getApplicationContext(), ScrollingLetterActivity.class);
                scrollingLetterIntent.putExtra("letter", letter.getText());
                startActivity(scrollingLetterIntent);
            }
        });

        letterGridLayout.addView(letterView);
    }
}
 

public GridLayoutAssert(GridLayout actual) {
  super(actual, GridLayoutAssert.class);
}
 

private TextView createLabel(GridLayout parent, int rowIndex, boolean optionIconExists,
        boolean editIconExists, boolean isEnabled) {
    Context context = parent.getContext();
    Resources resources = context.getResources();

    // By default, the label appears to the right of the "button" in the second column.
    // + If there is no button, no option and edit icon, the label spans the whole row.
    // + If there is no option and edit icon, the label spans three columns.
    // + If there is no edit icon or option icon, the label spans two columns.
    // + Otherwise, the label occupies only its own column.
    int columnStart = 1;
    int columnSpan = 1;
    if (!optionIconExists) columnSpan++;
    if (!editIconExists) columnSpan++;

    TextView labelView = new TextView(context);
    if (mRowType == OPTION_ROW_TYPE_OPTION) {
        // Show the string representing the PaymentOption.
        ApiCompatibilityUtils.setTextAppearance(labelView, isEnabled
                ? R.style.PaymentsUiSectionDefaultText
                : R.style.PaymentsUiSectionDisabledText);
        labelView.setText(convertOptionToString(mOption,
                mDelegate.isBoldLabelNeeded(OptionSection.this),
                false /* singleLine */));
        labelView.setEnabled(isEnabled);
    } else if (mRowType == OPTION_ROW_TYPE_ADD) {
        // Shows string saying that the user can add a new option, e.g. credit card no.
        String typeface = resources.getString(R.string.roboto_medium_typeface);
        int textStyle = resources.getInteger(R.integer.roboto_medium_textstyle);
        int buttonHeight = resources.getDimensionPixelSize(
                R.dimen.payments_section_add_button_height);

        ApiCompatibilityUtils.setTextAppearance(
                labelView, R.style.PaymentsUiSectionAddButtonLabel);
        labelView.setMinimumHeight(buttonHeight);
        labelView.setGravity(Gravity.CENTER_VERTICAL);
        labelView.setTypeface(Typeface.create(typeface, textStyle));
    } else if (mRowType == OPTION_ROW_TYPE_DESCRIPTION) {
        // The description spans all the columns.
        columnStart = 0;
        columnSpan = 4;

        ApiCompatibilityUtils.setTextAppearance(
                labelView, R.style.PaymentsUiSectionDescriptiveText);
    } else if (mRowType == OPTION_ROW_TYPE_WARNING) {
        // Warnings use three columns.
        columnSpan = 3;
        ApiCompatibilityUtils.setTextAppearance(
                labelView, R.style.PaymentsUiSectionWarningText);
    }

    // The label spans two columns if no option or edit icon, or spans three columns if
    // no option and edit icons. Setting the view width to 0 forces it to stretch.
    GridLayout.LayoutParams labelParams =
            new GridLayout.LayoutParams(GridLayout.spec(rowIndex, 1, GridLayout.CENTER),
                    GridLayout.spec(columnStart, columnSpan, GridLayout.FILL, 1f));
    labelParams.topMargin = mVerticalMargin;
    labelParams.width = 0;
    if (optionIconExists) {
        // Margin at the end of the label instead of the start of the option icon to
        // allow option icon in the the next row align with the end of label (include
        // end margin) when edit icon exits in that row, like below:
        // ---Label---------------------[label margin]|---option icon---|
        // ---Label---[label margin]|---option icon---|----edit icon----|
        ApiCompatibilityUtils.setMarginEnd(labelParams, mLargeSpacing);
    }
    parent.addView(labelView, labelParams);

    labelView.setOnClickListener(OptionSection.this);
    return labelView;
}
 

/**
 * Updates the total and how it's broken down.
 *
 * @param cart The shopping cart contents and the total.
 */
public void update(ShoppingCart cart) {
    Context context = mBreakdownLayout.getContext();

    CharSequence totalPrice = createValueString(
            cart.getTotal().getCurrency(), cart.getTotal().getPrice(), true);

    // Show the updated text view if the total changed.
    showUpdateIfTextChanged(totalPrice);

    // Update the summary to display information about the total.
    setSummaryText(cart.getTotal().getLabel(), totalPrice);

    mBreakdownLayout.removeAllViews();
    if (cart.getContents() == null) return;

    int maximumDescriptionWidthPx =
            ((View) mBreakdownLayout.getParent()).getWidth() * 2 / 3;

    // Update the breakdown, using one row per {@link LineItem}.
    int numItems = cart.getContents().size();
    mBreakdownLayout.setRowCount(numItems);
    for (int i = 0; i < numItems; i++) {
        LineItem item = cart.getContents().get(i);

        TextView description = new TextView(context);
        ApiCompatibilityUtils.setTextAppearance(description, item.getIsPending()
                        ? R.style.PaymentsUiSectionPendingTextEndAligned
                        : R.style.PaymentsUiSectionDescriptiveTextEndAligned);
        description.setText(item.getLabel());
        description.setEllipsize(TruncateAt.END);
        description.setMaxLines(2);
        if (maximumDescriptionWidthPx > 0) {
            description.setMaxWidth(maximumDescriptionWidthPx);
        }

        TextView amount = new TextView(context);
        ApiCompatibilityUtils.setTextAppearance(amount, item.getIsPending()
                        ? R.style.PaymentsUiSectionPendingTextEndAligned
                        : R.style.PaymentsUiSectionDescriptiveTextEndAligned);
        amount.setText(createValueString(item.getCurrency(), item.getPrice(), false));

        // Each item is represented by a row in the GridLayout.
        GridLayout.LayoutParams descriptionParams = new GridLayout.LayoutParams(
                GridLayout.spec(i, 1, GridLayout.END),
                GridLayout.spec(0, 1, GridLayout.END));
        GridLayout.LayoutParams amountParams = new GridLayout.LayoutParams(
                GridLayout.spec(i, 1, GridLayout.END),
                GridLayout.spec(1, 1, GridLayout.END));
        ApiCompatibilityUtils.setMarginStart(amountParams,
                context.getResources().getDimensionPixelSize(
                        R.dimen.payments_section_descriptive_item_spacing));

        mBreakdownLayout.addView(description, descriptionParams);
        mBreakdownLayout.addView(amount, amountParams);
    }
}
 

Exchanger(final Context context, final GaService service, final View mView, final boolean isBuyPage, final OnCalculateCommissionFinishListener listener) {
    mContext = context;
    mService = service;
    mIsBuyPage = isBuyPage;
    mOnCalculateCommissionFinishListener = listener;

    mAmountFiatWithCommission = UI.find(mView, R.id.amountFiatWithCommission);
    mAmountBtcWithCommission = UI.find(mView, R.id.amountBtcWithCommission);

    final FontAwesomeTextView bitcoinUnitText = UI.find(mView, R.id.sendBitcoinUnitText2);
    UI.setCoinText(mService, bitcoinUnitText, null, null);

    final String currency = mService.getFiatCurrency();

    final FontAwesomeTextView fiatView = UI.find(mView, R.id.commissionFiatIcon);
    AmountFields.changeFiatIcon(fiatView, currency);

    if (mService.isElements()) {
        bitcoinUnitText.setText(String.format("%s ", mService.getAssetSymbol()));
        UI.hide(UI.find(mView, R.id.commissionFiatColumn));
    }

    mAmountFiatEdit = UI.find(mView, R.id.sendAmountFiatEditText);
    mAmountBtcEdit = UI.find(mView, R.id.sendAmountEditText);
    final String btnsValue = service.cfg().getString("exchanger_fiat_btns", "");
    if (!btnsValue.isEmpty()) {
        final String[] btnsValueArray = btnsValue.split(" ");
        final GridLayout gridLayout = UI.find(mView, R.id.gridLayout);
        for (final String value : btnsValueArray) {
            final Button btn = new Button(mContext);
            btn.setText(String.format("%s %s", value, currency));
            final GridLayout.Spec spec = GridLayout.spec(GridLayout.UNDEFINED, 1f);
            final GridLayout.LayoutParams param = new GridLayout.LayoutParams(spec, spec);
            btn.setLayoutParams(param);
            btn.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(final View view) {
                    mAmountFiatEdit.setText(value);
                    if (mService.isElements())
                        mAmountBtcEdit.setText(value);
                }
            });
            gridLayout.addView(btn);
        }
    }
}
 

/**
 * 向GridLayout容器中添加Grid元素
 *
 * @param gridItem Grid元素
 */
private GridBuilder addItem(GridItem gridItem) {
    View itemLayout = null;
    if (null != mOnViewCreateCallBack) {
        itemLayout = mOnViewCreateCallBack.onViewCreate(mLayoutInflater, null == mGridViewHolder
                ? null : mGridViewHolder.getConvertView(), gridItem);
    }

    if (null == itemLayout) {
        return this;
    }

    GridLayout.LayoutParams layoutParams = new GridLayout.LayoutParams();
    // 优先根据预先取得的width/height设置,但不影响跨列/行数
    layoutParams.width = (gridItem.getWidth() > 0 ? gridItem.getWidth() : gridItem.getColumnSpec() * mBaseWidth)
            + ((gridItem.getColumnSpec() > 1 && gridItem.getWidth() <= 0 ? mHorizontalMargin * (gridItem.getColumnSpec() - 1) : 0));
    layoutParams.height = (gridItem.getHeight() > 0 ? gridItem.getHeight() : gridItem.getRowSpec() * mBaseHeight)
            + ((gridItem.getRowSpec() > 1 && gridItem.getWidth() <= 0 ? mVerticalMargin * (gridItem.getRowSpec() - 1) : 0));

    if (gridItem.getWidth() <= 0) {
        gridItem.setWidth(layoutParams.width);
    }
    if (gridItem.getHeight() <= 0) {
        gridItem.setHeight(layoutParams.height);
    }

    layoutParams.rowSpec = GridLayout.spec(gridItem.getRow(), gridItem.getRowSpec());
    layoutParams.columnSpec = GridLayout.spec(gridItem.getColumn(), gridItem.getColumnSpec());

    // 设置每个item间距,最外层间距也需要设置(因为需要体现边缘item的scale效果)
    if (gridItem.getRow() > 0) {
        layoutParams.topMargin = mVerticalMargin;
    }

    if (gridItem.getColumn() > 0) {
        layoutParams.leftMargin = mHorizontalMargin;
    }

    itemLayout.setLayoutParams(layoutParams);
    itemLayout.setFocusable(true);
    itemLayout.setClickable(true);
    itemLayout.setOnFocusChangeListener(this);
    itemLayout.setOnClickListener(this);
    itemLayout.setOnKeyListener(mOnKeyListener);
    itemLayout.setSoundEffectsEnabled(false);

    if (mGridLayout.getChildCount() == 0 && gridItem == mGridItemList.get(0)) {
        itemLayout.setTag(GridItem.TAG_FIRST_ITEM);
    }
    this.mGridLayout.addView(itemLayout);

    return this;
}