SUW: improve navigation on D-pad devices

* Set the initial focus on a usable view instead of a whole layout.
* Set the next focus of the locale selector to next-button.

Change-Id: I4a16127c24e87b52e38892882e44b3a8d24b779b

src/org/lineageos/setupwizard/BaseSetupWizardActivity.java

@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2016 The CyanogenMod Project
- * Copyright (C) 2017-2021 The LineageOS Project
+ *               2017-2022 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -247,6 +247,10 @@ public abstract class BaseSetupWizardActivity extends Activity implements Naviga
         }
     }
 
+    public Button getNextButton() {
+        return mNavigationBar.getNextButton();
+    }
+
     protected void setSkipText(int resId) {
         if (mNavigationBar != null) {
             mNavigationBar.getSkipButton().setText(resId);

src/org/lineageos/setupwizard/LineageSettingsActivity.java

@@ -82,6 +82,7 @@ public class LineageSettingsActivity extends BaseSetupWizardActivity {
 
         View metricsRow = findViewById(R.id.metrics);
         metricsRow.setOnClickListener(mMetricsClickListener);
+        metricsRow.requestFocus();
         String metricsHelpImproveLineage =
                 getString(R.string.services_help_improve_cm, os_name);
         String metricsSummary = getString(R.string.services_metrics_label,

src/org/lineageos/setupwizard/LocaleActivity.java

@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2016 The CyanogenMod Project
- * Copyright (C) 2017-2021 The LineageOS Project
+ *               2017-2022 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -81,6 +81,8 @@ public class LocaleActivity extends BaseSetupWizardActivity {
         SystemBarHelper.setBackButtonVisible(getWindow(), true);
         setNextText(R.string.next);
         mLanguagePicker = (LocalePicker) findViewById(R.id.locale_list);
+        mLanguagePicker.setNextRight(getNextButton().getId());
+        mLanguagePicker.requestFocus();
         loadLanguages();
     }
 

src/org/lineageos/setupwizard/widget/LocalePicker.java

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2008 The Android Open Source Project
+ *               2022 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +57,8 @@ import android.widget.LinearLayout;
 import android.widget.Scroller;
 import android.widget.TextView;
 
+import androidx.annotation.IdRes;
+
 import org.lineageos.setupwizard.R;
 
 import java.util.ArrayList;
@@ -1175,6 +1178,14 @@ public class LocalePicker extends LinearLayout {
         setValueInternal(value, false);
     }
 
+    /**
+     * Sets the next focused item for a remote D-pad key right.
+     * @param id The ID of the next view.
+     */
+    public void setNextRight(@IdRes int id) {
+        setNextFocusRightId(id);
+    }
+
     /**
      * Shows the soft input for its input text.
      */