content: package com.afollestad.materialdialogs;
  
  import android.content.res.Resources;
  import android.graphics.Point;
  import android.graphics.drawable.Drawable;
  import android.graphics.drawable.GradientDrawable;
  import android.os.Build;
  import androidx.annotation.LayoutRes;
  import androidx.annotation.NonNull;
  import androidx.annotation.StyleRes;
  import androidx.annotation.UiThread;
  import android.text.InputType;
  import android.text.method.LinkMovementMethod;
  import android.text.method.PasswordTransformationMethod;
  import android.view.Display;
  import android.view.View;
  import android.view.ViewGroup;
  import android.view.WindowManager;
  import android.widget.EditText;
  import android.widget.FrameLayout;
  import android.widget.ProgressBar;
  import android.widget.ScrollView;
  import com.afollestad.materialdialogs.internal.MDAdapter;
  import com.afollestad.materialdialogs.internal.MDButton;
  import com.afollestad.materialdialogs.internal.MDRootLayout;
  import com.afollestad.materialdialogs.internal.MDTintHelper;
  import com.afollestad.materialdialogs.util.DialogUtils;
  import java.util.ArrayList;
  import java.util.Arrays;
  import me.zhanghai.android.materialprogressbar.HorizontalProgressDrawable;
  import me.zhanghai.android.materialprogressbar.IndeterminateCircularProgressDrawable;
  import me.zhanghai.android.materialprogressbar.IndeterminateHorizontalProgressDrawable;
  
  /**
   * Used by MaterialDialog while initializing the dialog. Offloads some of the code to make the main
   * class cleaner and easier to read/maintain.
   *
   * @author Aidan Follestad (afollestad)
   */
  class DialogInit {
  
    @StyleRes
    static int getTheme(@NonNull MaterialDialog.Builder builder) {
      boolean darkTheme =
          DialogUtils.resolveBoolean(
              builder.context, R.attr.md_dark_theme, builder.theme == Theme.DARK);
      builder.theme = darkTheme ? Theme.DARK : Theme.LIGHT;
      return darkTheme ? R.style.MD_Dark : R.style.MD_Light;
    }
  
    @LayoutRes
    static int getInflateLayout(MaterialDialog.Builder builder) {
      if (builder.customView != null) {
        return R.layout.md_dialog_custom;
      } else if (builder.items != null || builder.adapter != null) {
        if (builder.checkBoxPrompt != null) {
          return R.layout.md_dialog_list_check;
        }
        return R.layout.md_dialog_list;
      } else if (builder.progress > -2) {
        return R.layout.md_dialog_progress;
      } else if (builder.indeterminateProgress) {
        if (builder.indeterminateIsHorizontalProgress) {
          return R.layout.md_dialog_progress_indeterminate_horizontal;
        }
        return R.layout.md_dialog_progress_indeterminate;
      } else if (builder.inputCallback != null) {
        if (builder.checkBoxPrompt != null) {
          return R.layout.md_dialog_input_check;
        }
        return R.layout.md_dialog_input;
      } else if (builder.checkBoxPrompt != null) {
        return R.layout.md_dialog_basic_check;
      } else {
        return R.layout.md_dialog_basic;
      }
    }
  
    @SuppressWarnings("ConstantConditions")
    @UiThread
    static void init(final MaterialDialog dialog) {
      final MaterialDialog.Builder builder = dialog.builder;
  
      // Set cancelable flag and dialog background color
      dialog.setCancelable(builder.cancelable);
      dialog.setCanceledOnTouchOutside(builder.canceledOnTouchOutside);
      if (builder.backgroundColor == 0) {
        builder.backgroundColor =
            DialogUtils.resolveColor(
                builder.context,
                R.attr.md_background_color,
                DialogUtils.resolveColor(dialog.getContext(), R.attr.colorBackgroundFloating));
      }
      if (builder.backgroundColor != 0) {
        GradientDrawable drawable = new GradientDrawable();
        drawable.setCornerRadius(
            builder.context.getResources().getDimension(R.dimen.md_bg_corner_radius));
        drawable.setColor(builder.backgroundColor);
        dialog.getWindow().setBackgroundDrawable(drawable);
      }
  
      // Retrieve color theme attributes
      if (!builder.positiveColorSet) {
        builder.positiveColor =
            DialogUtils.resolveActionTextColorStateList(
                builder.context, R.attr.md_positive_color, builder.positiveColor);
      }
      if (!builder.neutralColorSet) {
        builder.neutralColor =
            DialogUtils.resolveActionTextColorStateList(
                builder.context, R.attr.md_neutral_color, builder.neutralColor);
      }
      if (!builder.negativeColorSet) {
        builder.negativeColor =
            DialogUtils.resolveActionTextColorStateList(
                builder.context, R.attr.md_negative_color, builder.negativeColor);
      }
      if (!builder.widgetColorSet) {
        builder.widgetColor =
            DialogUtils.resolveColor(builder.context, R.attr.md_widget_color, builder.widgetColor);
      }
  
      // Retrieve default title/content colors
      if (!builder.titleColorSet) {
        final int titleColorFallback =
            DialogUtils.resolveColor(dialog.getContext(), android.R.attr.textColorPrimary);
        builder.titleColor =
            DialogUtils.resolveColor(builder.context, R.attr.md_title_color, titleColorFallback);
      }
      if (!builder.contentColorSet) {
        final int contentColorFallback =
            DialogUtils.resolveColor(dialog.getContext(), android.R.attr.textColorSecondary);
        builder.contentColor =
            DialogUtils.resolveColor(builder.context, R.attr.md_content_color, contentColorFallback);
      }
      if (!builder.itemColorSet) {
        builder.itemColor =
            DialogUtils.resolveColor(builder.context, R.attr.md_item_color, builder.contentColor);
      }
  
      // Retrieve references to views
      dialog.title = dialog.view.findViewById(R.id.md_title);
      dialog.icon = dialog.view.findViewById(R.id.md_icon);
      dialog.titleFrame = dialog.view.findViewById(R.id.md_titleFrame);
      dialog.content = dialog.view.findViewById(R.id.md_content);
      dialog.recyclerView = dialog.view.findViewById(R.id.md_contentRecyclerView);
      dialog.checkBoxPrompt = dialog.view.findViewById(R.id.md_promptCheckbox);
  
      // Button views initially used by checkIfStackingNeeded()
      dialog.positiveButton = dialog.view.findViewById(R.id.md_buttonDefaultPositive);
      dialog.neutralButton = dialog.view.findViewById(R.id.md_buttonDefaultNeutral);
      dialog.negativeButton = dialog.view.findViewById(R.id.md_buttonDefaultNegative);
  
      // Don't allow the submit button to not be shown for input dialogs
      if (builder.inputCallback != null && builder.positiveText == null) {
        builder.positiveText = builder.context.getText(android.R.string.ok);
      }
  
      // Set up the initial visibility of action buttons based on whether or not text was set
      dialog.positiveButton.setVisibility(builder.positiveText != null ? View.VISIBLE : View.GONE);
      dialog.neutralButton.setVisibility(builder.neutralText != null ? View.VISIBLE : View.GONE);
      dialog.negativeButton.setVisibility(builder.negativeText != null ? View.VISIBLE : View.GONE);
  
      // Set up the focus of action buttons
      dialog.positiveButton.setFocusable(true);
      dialog.neutralButton.setFocusable(true);
      dialog.negativeButton.setFocusable(true);
      if (builder.positiveFocus) {
        dialog.positiveButton.requestFocus();
      }
      if (builder.neutralFocus) {
        dialog.neutralButton.requestFocus();
      }
      if (builder.negativeFocus) {
        dialog.negativeButton.requestFocus();
      }
  
      // Setup icon
      if (builder.icon != null) {
        dialog.icon.setVisibility(View.VISIBLE);
        dialog.icon.setImageDrawable(builder.icon);
      } else {
        Drawable d = DialogUtils.resolveDrawable(builder.context, R.attr.md_icon);
        if (d != null) {
          dialog.icon.setVisibility(View.VISIBLE);
          dialog.icon.setImageDrawable(d);
        } else {
          dialog.icon.setVisibility(View.GONE);
        }
      }
  
      // Setup icon size limiting
      int maxIconSize = builder.maxIconSize;
      if (maxIconSize == -1) {
        maxIconSize = DialogUtils.resolveDimension(builder.context, R.attr.md_icon_max_size);
      }
      if (builder.limitIconToDefaultSize
          || DialogUtils.resolveBoolean(builder.context, R.attr.md_icon_limit_icon_to_default_size)) {
        maxIconSize = builder.context.getResources().getDimensionPixelSize(R.dimen.md_icon_max_size);
      }
      if (maxIconSize > -1) {
        dialog.icon.setAdjustViewBounds(true);
        dialog.icon.setMaxHeight(maxIconSize);
        dialog.icon.setMaxWidth(maxIconSize);
        dialog.icon.requestLayout();
      }
  
      // Setup divider color in case content scrolls
      if (!builder.dividerColorSet) {
        final int dividerFallback = DialogUtils.resolveColor(dialog.getContext(), R.attr.md_divider);
        builder.dividerColor =
            DialogUtils.resolveColor(builder.context, R.attr.md_divider_color, dividerFallback);
      }
      dialog.view.setDividerColor(builder.dividerColor);
  
      // Setup title and title frame
      if (dialog.title != null) {
        dialog.setTypeface(dialog.title, builder.mediumFont);
        dialog.title.setTextColor(builder.titleColor);
        dialog.title.setGravity(builder.titleGravity.getGravityInt());
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
          //noinspection ResourceType
          dialog.title.setTextAlignment(builder.titleGravity.getTextAlignment());
        }
  
        if (builder.title == null) {
          dialog.titleFrame.setVisibility(View.GONE);
        } else {
          dialog.title.setText(builder.title);
          dialog.titleFrame.setVisibility(View.VISIBLE);
        }
      }
  
      // Setup content
      if (dialog.content != null) {
        dialog.content.setMovementMethod(new LinkMovementMethod());
        dialog.setTypeface(dialog.content, builder.regularFont);
        dialog.content.setLineSpacing(0f, builder.contentLineSpacingMultiplier);
        if (builder.linkColor == null) {
          dialog.content.setLinkTextColor(
              DialogUtils.resolveColor(dialog.getContext(), android.R.attr.textColorPrimary));
        } else {
          dialog.content.setLinkTextColor(builder.linkColor);
        }
        dialog.content.setTextColor(builder.contentColor);
        dialog.content.setGravity(builder.contentGravity.getGravityInt());
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
          //noinspection ResourceType
          dialog.content.setTextAlignment(builder.contentGravity.getTextAlignment());
        }
  
        if (builder.content != null) {
          dialog.content.setText(builder.content);
          dialog.content.setVisibility(View.VISIBLE);
        } else {
          dialog.content.setVisibility(View.GONE);
        }
      }
  
      // Setup prompt checkbox
      if (dialog.checkBoxPrompt != null) {
        dialog.checkBoxPrompt.setText(builder.checkBoxPrompt);
        dialog.checkBoxPrompt.setChecked(builder.checkBoxPromptInitiallyChecked);
        dialog.checkBoxPrompt.setOnCheckedChangeListener(builder.checkBoxPromptListener);
        dialog.setTypeface(dialog.checkBoxPrompt, builder.regularFont);
        dialog.checkBoxPrompt.setTextColor(builder.contentColor);
        MDTintHelper.setTint(dialog.checkBoxPrompt, builder.widgetColor);
      }
  
      // Setup action buttons
      dialog.view.setButtonGravity(builder.buttonsGravity);
      dialog.view.setButtonStackedGravity(builder.btnStackedGravity);
      dialog.view.setStackingBehavior(builder.stackingBehavior);
      boolean textAllCaps;
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
        textAllCaps = DialogUtils.resolveBoolean(builder.context, android.R.attr.textAllCaps, true);
        if (textAllCaps) {
          textAllCaps = DialogUtils.resolveBoolean(builder.context, R.attr.textAllCaps, true);
        }
      } else {
        textAllCaps = DialogUtils.resolveBoolean(builder.context, R.attr.textAllCaps, true);
      }
  
      MDButton positiveTextView = dialog.positiveButton;
      dialog.setTypeface(positiveTextView, builder.mediumFont);
      positiveTextView.setAllCapsCompat(false);
      positiveTextView.setText(builder.positiveText);
      positiveTextView.setTextColor(builder.positiveColor);
      dialog.positiveButton.setStackedSelector(dialog.getButtonSelector(DialogAction.POSITIVE, true));
      dialog.positiveButton.setDefaultSelector(
          dialog.getButtonSelector(DialogAction.POSITIVE, false));
      dialog.positiveButton.setTag(DialogAction.POSITIVE);
      dialog.positiveButton.setOnClickListener(dialog);
  
      MDButton negativeTextView = dialog.negativeButton;
      dialog.setTypeface(negativeTextView, builder.mediumFont);
      negativeTextView.setAllCapsCompat(false);
      negativeTextView.setText(builder.negativeText);
      negativeTextView.setTextColor(builder.negativeColor);
      dialog.negativeButton.setStackedSelector(dialog.getButtonSelector(DialogAction.NEGATIVE, true));
      dialog.negativeButton.setDefaultSelector(
          dialog.getButtonSelector(DialogAction.NEGATIVE, false));
      dialog.negativeButton.setTag(DialogAction.NEGATIVE);
      dialog.negativeButton.setOnClickListener(dialog);
  
      MDButton neutralTextView = dialog.neutralButton;
      dialog.setTypeface(neutralTextView, builder.mediumFont);
      neutralTextView.setAllCapsCompat(false);
      neutralTextView.setText(builder.neutralText);
      neutralTextView.setTextColor(builder.neutralColor);
      dialog.neutralButton.setStackedSelector(dialog.getButtonSelector(DialogAction.NEUTRAL, true));
      dialog.neutralButton.setDefaultSelector(dialog.getButtonSelector(DialogAction.NEUTRAL, false));
      dialog.neutralButton.setTag(DialogAction.NEUTRAL);
      dialog.neutralButton.setOnClickListener(dialog);
  
      // Setup list dialog stuff
      if (builder.listCallbackMultiChoice != null) {
        dialog.selectedIndicesList = new ArrayList<>();
      }
      if (dialog.recyclerView != null) {
        if (builder.adapter == null) {
          // Determine list type
          if (builder.listCallbackSingleChoice != null) {
            dialog.listType = MaterialDialog.ListType.SINGLE;
          } else if (builder.listCallbackMultiChoice != null) {
            dialog.listType = MaterialDialog.ListType.MULTI;
            if (builder.selectedIndices != null) {
              dialog.selectedIndicesList = new ArrayList<>(Arrays.asList(builder.selectedIndices));
              builder.selectedIndices = null;
            }
          } else {
            dialog.listType = MaterialDialog.ListType.REGULAR;
          }
          builder.adapter =
              new DefaultRvAdapter(dialog, MaterialDialog.ListType.getLayoutForType(dialog.listType));
        } else if (builder.adapter instanceof MDAdapter) {
          // Notify simple list adapter of the dialog it belongs to
          ((MDAdapter) builder.adapter).setDialog(dialog);
        }
      }
  
      // Setup progress dialog stuff if needed
      setupProgressDialog(dialog);
  
      // Setup input dialog stuff if needed
      setupInputDialog(dialog);
  
      // Setup custom views
      if (builder.customView != null) {
        ((MDRootLayout) dialog.view.findViewById(R.id.md_root)).noTitleNoPadding();
        FrameLayout frame = dialog.view.findViewById(R.id.md_customViewFrame);
        dialog.customViewFrame = frame;
        View innerView = builder.customView;
        if (innerView.getParent() != null) {
          ((ViewGroup) innerView.getParent()).removeView(innerView);
        }
        if (builder.wrapCustomViewInScroll) {
          /* Apply the frame padding to the content, this allows the ScrollView to draw it's
          over scroll glow without clipping */
          final Resources r = dialog.getContext().getResources();
          final int framePadding = r.getDimensionPixelSize(R.dimen.md_dialog_frame_margin);
          final ScrollView sv = new ScrollView(dialog.getContext());
          int paddingTop = r.getDimensionPixelSize(R.dimen.md_content_padding_top);
          int paddingBottom = r.getDimensionPixelSize(R.dimen.md_content_padding_bottom);
          sv.setClipToPadding(false);
          if (innerView instanceof EditText) {
            // Setting padding to an EditText causes visual errors, set it to the parent instead
            sv.setPadding(framePadding, paddingTop, framePadding, paddingBottom);
          } else {
            // Setting padding to scroll view pushes the scroll bars out, don't do it if not necessary (like above)
            sv.setPadding(0, paddingTop, 0, paddingBottom);
            innerView.setPadding(framePadding, 0, framePadding, 0);
          }
          sv.addView(
              innerView,
              new ScrollView.LayoutParams(
                  ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
          innerView = sv;
        }
        frame.addView(
            innerView,
            new ViewGroup.LayoutParams(
                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
      }
  
      // Setup user listeners
      if (builder.showListener != null) {
        dialog.setOnShowListener(builder.showListener);
      }
      if (builder.cancelListener != null) {
        dialog.setOnCancelListener(builder.cancelListener);
      }
      if (builder.dismissListener != null) {
        dialog.setOnDismissListener(builder.dismissListener);
      }
      if (builder.keyListener != null) {
        dialog.setOnKeyListener(builder.keyListener);
      }
  
      // Setup internal show listener
      dialog.setOnShowListenerInternal();
  
      // Other internal initialization
      dialog.invalidateList();
      dialog.setViewInternal(dialog.view);
      dialog.checkIfListInitScroll();
  
      // Min height and max width calculations
      WindowManager wm = dialog.getWindow().getWindowManager();
      Display display = wm.getDefaultDisplay();
      Point size = new Point();
      display.getSize(size);
      final int windowWidth = size.x;
      final int windowHeight = size.y;
  
      final int windowVerticalPadding =
          builder.context.getResources().getDimensionPixelSize(R.dimen.md_dialog_vertical_margin);
      final int windowHorizontalPadding =
          builder.context.getResources().getDimensionPixelSize(R.dimen.md_dialog_horizontal_margin);
      final int maxWidth =
          builder.context.getResources().getDimensionPixelSize(R.dimen.md_dialog_max_width);
      final int calculatedWidth = windowWidth - (windowHorizontalPadding * 2);
  
      dialog.view.setMaxHeight(windowHeight - windowVerticalPadding * 2);
      WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
      lp.copyFrom(dialog.getWindow().getAttributes());
      lp.width = Math.min(maxWidth, calculatedWidth);
      dialog.getWindow().setAttributes(lp);
    }
  
    private static void fixCanvasScalingWhenHardwareAccelerated(ProgressBar pb) {
      if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
        // Canvas scaling when hardware accelerated results in artifacts on older API levels, so
        // we need to use software rendering
        if (pb.isHardwareAccelerated() && pb.getLayerType() != View.LAYER_TYPE_SOFTWARE) {
          pb.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
        }
      }
    }
  
    private static void setupProgressDialog(final MaterialDialog dialog) {
      final MaterialDialog.Builder builder = dialog.builder;
      if (builder.indeterminateProgress || builder.progress > -2) {
        dialog.progressBar = dialog.view.findViewById(android.R.id.progress);
        if (dialog.progressBar == null) {
          return;
        }
  
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
          if (builder.indeterminateProgress) {
            if (builder.indeterminateIsHorizontalProgress) {
              IndeterminateHorizontalProgressDrawable d =
                  new IndeterminateHorizontalProgressDrawable(builder.getContext());
              d.setTint(builder.widgetColor);
              dialog.progressBar.setProgressDrawable(d);
              dialog.progressBar.setIndeterminateDrawable(d);
            } else {
              IndeterminateCircularProgressDrawable d =
                  new IndeterminateCircularProgressDrawable(builder.getContext());
              d.setTint(builder.widgetColor);
              dialog.progressBar.setProgressDrawable(d);
              dialog.progressBar.setIndeterminateDrawable(d);
            }
          } else {
            HorizontalProgressDrawable d = new HorizontalProgressDrawable(builder.getContext());
            d.setTint(builder.widgetColor);
            dialog.progressBar.setProgressDrawable(d);
            dialog.progressBar.setIndeterminateDrawable(d);
          }
        } else {
          MDTintHelper.setTint(dialog.progressBar, builder.widgetColor);
        }
  
        if (!builder.indeterminateProgress || builder.indeterminateIsHorizontalProgress) {
          dialog.progressBar.setIndeterminate(
              builder.indeterminateProgress && builder.indeterminateIsHorizontalProgress);
          dialog.progressBar.setProgress(0);
          dialog.progressBar.setMax(builder.progressMax);
          dialog.progressLabel = dialog.view.findViewById(R.id.md_label);
          if (dialog.progressLabel != null) {
            dialog.progressLabel.setTextColor(builder.contentColor);
            dialog.setTypeface(dialog.progressLabel, builder.mediumFont);
            dialog.progressLabel.setText(builder.progressPercentFormat.format(0));
          }
          dialog.progressMinMax = dialog.view.findViewById(R.id.md_minMax);
          if (dialog.progressMinMax != null) {
            dialog.progressMinMax.setTextColor(builder.contentColor);
            dialog.setTypeface(dialog.progressMinMax, builder.regularFont);
  
            if (builder.showMinMax) {
              dialog.progressMinMax.setVisibility(View.VISIBLE);
              dialog.progressMinMax.setText(
                  String.format(builder.progressNumberFormat, 0, builder.progressMax));
              ViewGroup.MarginLayoutParams lp =
                  (ViewGroup.MarginLayoutParams) dialog.progressBar.getLayoutParams();
              lp.leftMargin = 0;
              lp.rightMargin = 0;
            } else {
              dialog.progressMinMax.setVisibility(View.GONE);
            }
          } else {
            builder.showMinMax = false;
          }
        }
      }
  
      if (dialog.progressBar != null) {
        fixCanvasScalingWhenHardwareAccelerated(dialog.progressBar);
      }
    }
  
    private static void setupInputDialog(final MaterialDialog dialog) {
      final MaterialDialog.Builder builder = dialog.builder;
      dialog.input = dialog.view.findViewById(android.R.id.input);
      if (dialog.input == null) {
        return;
      }
      dialog.setTypeface(dialog.input, builder.regularFont);
      if (builder.inputPrefill != null) {
        dialog.input.setText(builder.inputPrefill);
      }
      dialog.setInternalInputCallback();
      dialog.input.setHint(builder.inputHint);
      dialog.input.setSingleLine();
      dialog.input.setTextColor(builder.contentColor);
      dialog.input.setHintTextColor(DialogUtils.adjustAlpha(builder.contentColor, 0.3f));
      MDTintHelper.setTint(dialog.input, dialog.builder.widgetColor);
  
      if (builder.inputType != -1) {
        dialog.input.setInputType(builder.inputType);
        if (builder.inputType != InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
            && (builder.inputType & InputType.TYPE_TEXT_VARIATION_PASSWORD)
                == InputType.TYPE_TEXT_VARIATION_PASSWORD) {
          // If the flags contain TYPE_TEXT_VARIATION_PASSWORD, apply the password transformation method automatically
          dialog.input.setTransformationMethod(PasswordTransformationMethod.getInstance());
        }
      }
  
      dialog.inputMinMax = dialog.view.findViewById(R.id.md_minMax);
      if (builder.inputMinLength > 0 || builder.inputMaxLength > -1) {
        dialog.invalidateInputMinMaxIndicator(
            dialog.input.getText().toString().length(), !builder.inputAllowEmpty);
      } else {
        dialog.inputMinMax.setVisibility(View.GONE);
        dialog.inputMinMax = null;
      }
    }
  }
  