1 files changed, 99 insertions, 100 deletions
diff --git a/library/main/src/com/android/setupwizardlib/view/NavigationBar.java b/library/main/src/com/android/setupwizardlib/view/NavigationBar.java
index 9971bac..1044e56 100644
--- a/library/main/src/com/android/setupwizardlib/view/NavigationBar.java
+++ b/library/main/src/com/android/setupwizardlib/view/NavigationBar.java
@@ -21,14 +21,12 @@ import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.os.Build.VERSION_CODES;
+import androidx.annotation.StyleableRes;
 import android.util.AttributeSet;
 import android.view.ContextThemeWrapper;
 import android.view.View;
 import android.widget.Button;
 import android.widget.LinearLayout;
-
-import androidx.annotation.StyleableRes;
-
 import com.android.setupwizardlib.R;
 
 /**
@@ -40,104 +38,105 @@ import com.android.setupwizardlib.R;
  */
 public class NavigationBar extends LinearLayout implements View.OnClickListener {
 
-    /**
-     * An interface to listen to events of the navigation bar, namely when the user clicks on the
-     * back or next button.
-     */
-    public interface NavigationBarListener {
-        void onNavigateBack();
-        void onNavigateNext();
+  /**
+   * An interface to listen to events of the navigation bar, namely when the user clicks on the back
+   * or next button.
+   */
+  public interface NavigationBarListener {
+    void onNavigateBack();
+
+    void onNavigateNext();
+  }
+
+  private static int getNavbarTheme(Context context) {
+    // Normally we can automatically guess the theme by comparing the foreground color against
+    // the background color. But we also allow specifying explicitly using suwNavBarTheme.
+    TypedArray attributes =
+        context.obtainStyledAttributes(
+            new int[] {
+              R.attr.suwNavBarTheme, android.R.attr.colorForeground, android.R.attr.colorBackground
+            });
+    @StyleableRes int suwNavBarTheme = 0;
+    @StyleableRes int colorForeground = 1;
+    @StyleableRes int colorBackground = 2;
+    int theme = attributes.getResourceId(suwNavBarTheme, 0);
+    if (theme == 0) {
+      // Compare the value of the foreground against the background color to see if current
+      // theme is light-on-dark or dark-on-light.
+      float[] foregroundHsv = new float[3];
+      float[] backgroundHsv = new float[3];
+      Color.colorToHSV(attributes.getColor(colorForeground, 0), foregroundHsv);
+      Color.colorToHSV(attributes.getColor(colorBackground, 0), backgroundHsv);
+      boolean isDarkBg = foregroundHsv[2] > backgroundHsv[2];
+      theme = isDarkBg ? R.style.SuwNavBarThemeDark : R.style.SuwNavBarThemeLight;
     }
-
-    private static int getNavbarTheme(Context context) {
-        // Normally we can automatically guess the theme by comparing the foreground color against
-        // the background color. But we also allow specifying explicitly using suwNavBarTheme.
-        TypedArray attributes = context.obtainStyledAttributes(
-                new int[] {
-                        R.attr.suwNavBarTheme,
-                        android.R.attr.colorForeground,
-                        android.R.attr.colorBackground });
-        @StyleableRes int suwNavBarTheme = 0;
-        @StyleableRes int colorForeground = 1;
-        @StyleableRes int colorBackground = 2;
-        int theme = attributes.getResourceId(suwNavBarTheme, 0);
-        if (theme == 0) {
-            // Compare the value of the foreground against the background color to see if current
-            // theme is light-on-dark or dark-on-light.
-            float[] foregroundHsv = new float[3];
-            float[] backgroundHsv = new float[3];
-            Color.colorToHSV(attributes.getColor(colorForeground, 0), foregroundHsv);
-            Color.colorToHSV(attributes.getColor(colorBackground, 0), backgroundHsv);
-            boolean isDarkBg = foregroundHsv[2] > backgroundHsv[2];
-            theme = isDarkBg ? R.style.SuwNavBarThemeDark : R.style.SuwNavBarThemeLight;
-        }
-        attributes.recycle();
-        return theme;
-    }
-
-    private static Context getThemedContext(Context context) {
-        final int theme = getNavbarTheme(context);
-        return new ContextThemeWrapper(context, theme);
+    attributes.recycle();
+    return theme;
+  }
+
+  private static Context getThemedContext(Context context) {
+    final int theme = getNavbarTheme(context);
+    return new ContextThemeWrapper(context, theme);
+  }
+
+  private Button nextButton;
+  private Button backButton;
+  private Button moreButton;
+  private NavigationBarListener listener;
+
+  public NavigationBar(Context context) {
+    super(getThemedContext(context));
+    init();
+  }
+
+  public NavigationBar(Context context, AttributeSet attrs) {
+    super(getThemedContext(context), attrs);
+    init();
+  }
+
+  @TargetApi(VERSION_CODES.HONEYCOMB)
+  public NavigationBar(Context context, AttributeSet attrs, int defStyleAttr) {
+    super(getThemedContext(context), attrs, defStyleAttr);
+    init();
+  }
+
+  // All the constructors delegate to this init method. The 3-argument constructor is not
+  // available in LinearLayout before v11, so call super with the exact same arguments.
+  private void init() {
+    View.inflate(getContext(), R.layout.suw_navbar_view, this);
+    nextButton = (Button) findViewById(R.id.suw_navbar_next);
+    backButton = (Button) findViewById(R.id.suw_navbar_back);
+    moreButton = (Button) findViewById(R.id.suw_navbar_more);
+  }
+
+  public Button getBackButton() {
+    return backButton;
+  }
+
+  public Button getNextButton() {
+    return nextButton;
+  }
+
+  public Button getMoreButton() {
+    return moreButton;
+  }
+
+  public void setNavigationBarListener(NavigationBarListener listener) {
+    this.listener = listener;
+    if (this.listener != null) {
+      getBackButton().setOnClickListener(this);
+      getNextButton().setOnClickListener(this);
     }
-
-    private Button mNextButton;
-    private Button mBackButton;
-    private Button mMoreButton;
-    private NavigationBarListener mListener;
-
-    public NavigationBar(Context context) {
-        super(getThemedContext(context));
-        init();
-    }
-
-    public NavigationBar(Context context, AttributeSet attrs) {
-        super(getThemedContext(context), attrs);
-        init();
-    }
-
-    @TargetApi(VERSION_CODES.HONEYCOMB)
-    public NavigationBar(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(getThemedContext(context), attrs, defStyleAttr);
-        init();
-    }
-
-    // All the constructors delegate to this init method. The 3-argument constructor is not
-    // available in LinearLayout before v11, so call super with the exact same arguments.
-    private void init() {
-        View.inflate(getContext(), R.layout.suw_navbar_view, this);
-        mNextButton = (Button) findViewById(R.id.suw_navbar_next);
-        mBackButton = (Button) findViewById(R.id.suw_navbar_back);
-        mMoreButton = (Button) findViewById(R.id.suw_navbar_more);
-    }
-
-    public Button getBackButton() {
-        return mBackButton;
-    }
-
-    public Button getNextButton() {
-        return mNextButton;
-    }
-
-    public Button getMoreButton() {
-        return mMoreButton;
-    }
-
-    public void setNavigationBarListener(NavigationBarListener listener) {
-        mListener = listener;
-        if (mListener != null) {
-            getBackButton().setOnClickListener(this);
-            getNextButton().setOnClickListener(this);
-        }
-    }
-
-    @Override
-    public void onClick(View view) {
-        if (mListener != null) {
-            if (view == getBackButton()) {
-                mListener.onNavigateBack();
-            } else if (view == getNextButton()) {
-                mListener.onNavigateNext();
-            }
-        }
+  }
+
+  @Override
+  public void onClick(View view) {
+    if (listener != null) {
+      if (view == getBackButton()) {
+        listener.onNavigateBack();
+      } else if (view == getNextButton()) {
+        listener.onNavigateNext();
+      }
     }
+  }
 }