Move showOnboardingDialog() and styles to mailbox module

dont-kill-me-lib/src/main/java/org/briarproject/android/dontkillmelib/PowerUtils.java

@@ -14,7 +14,6 @@ import java.util.List;
 import java.util.Scanner;
 
 import androidx.annotation.Nullable;
-import androidx.appcompat.app.AlertDialog;
 
 import static android.content.Context.POWER_SERVICE;
 import static android.content.pm.PackageManager.MATCH_DEFAULT_ONLY;
@@ -49,14 +48,6 @@ public class PowerUtils {
 		return i;
 	}
 
-	public static void showOnboardingDialog(Context ctx, String text) {
-		new AlertDialog.Builder(ctx, R.style.OnboardingDialogTheme)
-				.setMessage(text)
-				.setNeutralButton(R.string.got_it,
-						(dialog, which) -> dialog.cancel())
-				.show();
-	}
-
 	/**
 	 * Determine whether a Huawei "Protected apps" feature is available on the
 	 * device.

dont-kill-me-lib/src/main/res/values/styles.xml

-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-
-	<style name="OnboardingDialogTheme" parent="Theme.AppCompat.DayNight.Dialog.MinWidth" />
-
-	<style name="DoNotKillMeButton" parent="Widget.AppCompat.Button.Colored" />
-
-	<style name="HelpButton" parent="Widget.AppCompat.Button.Borderless">
-		<item name="android:tint">#418cd8</item>
-	</style>
-
-</resources>

mailbox-android/src/main/java/org/briarproject/mailbox/android/dontkillme/AbstractDoNotKillMeFragment.java

@@ -23,7 +23,7 @@ import androidx.fragment.app.Fragment;
 import static android.view.View.INVISIBLE;
 import static android.view.View.VISIBLE;
 import static org.briarproject.android.dontkillmelib.PowerUtils.getDozeWhitelistingIntent;
-import static org.briarproject.android.dontkillmelib.PowerUtils.showOnboardingDialog;
+import static org.briarproject.mailbox.android.dontkillme.DoNotKillMeUtils.showOnboardingDialog;
 
 public abstract class AbstractDoNotKillMeFragment extends Fragment
 		implements OnCheckedChangedListener,

mailbox-android/src/main/java/org/briarproject/mailbox/android/dontkillme/DoNotKillMeUtils.java

+package org.briarproject.mailbox.android.dontkillme;
+
+import android.content.Context;
+
+import org.briarproject.mailbox.R;
+
+import androidx.appcompat.app.AlertDialog;
+
+public class DoNotKillMeUtils {
+
+	static void showOnboardingDialog(Context ctx, String text) {
+		new AlertDialog.Builder(ctx,
+				R.style.OnboardingDialogTheme)
+				.setMessage(text)
+				.setNeutralButton(
+						org.briarproject.android.dontkillmelib.R.string.got_it,
+						(dialog, which) -> dialog.cancel())
+				.show();
+	}
+}

mailbox-android/src/main/java/org/briarproject/mailbox/android/dontkillme/PowerView.java

@@ -22,7 +22,7 @@ import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.core.content.ContextCompat;
 
 import static android.content.Context.LAYOUT_INFLATER_SERVICE;
-import static org.briarproject.android.dontkillmelib.PowerUtils.showOnboardingDialog;
+import static org.briarproject.mailbox.android.dontkillme.DoNotKillMeUtils.showOnboardingDialog;
 
 @UiThread
 abstract class PowerView extends ConstraintLayout {

mailbox-android/src/main/java/org/briarproject/mailbox/android/dontkillme/XiaomiView.java

@@ -9,7 +9,7 @@ import androidx.annotation.UiThread;
 
 import static org.briarproject.android.dontkillmelib.PowerUtils.isMiuiTenOrLater;
 import static org.briarproject.android.dontkillmelib.PowerUtils.isXiaomiOrRedmiDevice;
-import static org.briarproject.android.dontkillmelib.PowerUtils.showOnboardingDialog;
+import static org.briarproject.mailbox.android.dontkillme.DoNotKillMeUtils.showOnboardingDialog;
 
 @UiThread
 public class XiaomiView extends PowerView {

mailbox-android/src/main/res/values/styles.xml

@@ -5,6 +5,8 @@
         <item name="android:textColor">?attr/colorSecondary</item>
     </style>
 
+    <style name="OnboardingDialogTheme" parent="Theme.AppCompat.DayNight.Dialog.MinWidth" />
+
     <style name="PowerIcon">
         <item name="android:background">@drawable/ic_circle</item>
         <!-- Figma had #222E3C as backgroundTint, but the style guide's closest is this -->