Settings menu shows the font size

app/src/main/AndroidManifest.xml

@@ -8,13 +8,15 @@
     <application
         android:name=".MinimalBible"
         android:allowBackup="true"
-        android:debuggable="false"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
         android:theme="@style/AppTheme">
         <activity
             android:name=".activity.downloader.DownloadActivity"
             android:label="@string/app_name" />
+        <activity
+            android:name=".activity.settings.MinimalBibleSettings"
+            android:label="@string/app_name" />
         <activity
             android:name=".activity.viewer.BibleViewer"
             android:label="@string/app_name">

app/src/main/java/com/cmwmobile/android/samples/SeekBarDialogPreference.java

@@ -0,0 +1,133 @@
+/**
+ * Copyright CMW Mobile.com, 2010.
+ */
+package com.cmwmobile.android.samples;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.preference.DialogPreference;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.SeekBar;
+import android.widget.TextView;
+
+import org.bspeice.minimalbible.R;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * The SeekBarDialogPreference class is a DialogPreference based and provides a
+ * seekbar preference.
+ *
+ * @author Casper Wakkers
+ */
+public class SeekBarDialogPreference extends
+        DialogPreference implements SeekBar.OnSeekBarChangeListener {
+
+    // Layout widgets.
+    private SeekBar seekBar = null;
+    private TextView valueText = null;
+
+    // Custom xml attributes.
+    private int maximumValue = 0;
+    private int minimumValue = 0;
+    private int stepSize = 0;
+    private String units = null;
+
+    private int value = 0;
+
+    /**
+     * The SeekBarDialogPreference constructor.
+     *
+     * @param context of this preference.
+     * @param attrs   custom xml attributes.
+     */
+    public SeekBarDialogPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        TypedArray typedArray = context.obtainStyledAttributes(attrs,
+                R.styleable.SeekBarDialogPreference);
+
+        maximumValue = typedArray.getInteger(
+                R.styleable.SeekBarDialogPreference_maximumValue, 0);
+        minimumValue = typedArray.getInteger(
+                R.styleable.SeekBarDialogPreference_minimumValue, 0);
+        stepSize = typedArray.getInteger(
+                R.styleable.SeekBarDialogPreference_stepSize, 1);
+        units = typedArray.getString(
+                R.styleable.SeekBarDialogPreference_units);
+
+        typedArray.recycle();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected View onCreateDialogView() {
+        LayoutInflater layoutInflater = LayoutInflater.from(getContext());
+
+        View view = layoutInflater.inflate(
+                R.layout.seekbardialogpreference_layout, null);
+
+        seekBar = (SeekBar) view.findViewById(R.id.preference_seekbar);
+        valueText = (TextView) view.findViewById(R.id.preference_text);
+
+        // Get the persistent value and correct it for the minimum value.
+        value = getPersistedInt(minimumValue) - minimumValue;
+
+        // You're never know...
+        if (value < 0) {
+            value = 0;
+        }
+
+        seekBar.setKeyProgressIncrement(stepSize);
+        seekBar.setMax(maximumValue - minimumValue);
+
+        // setProgress must come before we start listening to events, otherwise
+        // we may receive the initialization (i.e. 0) event destroying our value
+        seekBar.setProgress(value);
+        updateValueText(value);
+
+        seekBar.setOnSeekBarChangeListener(this);
+
+        return view;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void onProgressChanged(@NotNull SeekBar seek, int newValue,
+                                  boolean fromTouch) {
+        // Round the value to the closest integer value.
+        if (stepSize >= 1) {
+            value = Math.round(newValue / stepSize) * stepSize;
+        } else {
+            value = newValue;
+        }
+
+        updateValueText(value);
+
+        callChangeListener(value);
+    }
+
+    private void updateValueText(int value) {
+        valueText.setText(String.valueOf(value + minimumValue) +
+                (units == null ? "" : units));
+    }
+
+    @Override
+    public void onDialogClosed(boolean positiveResult) {
+        if (positiveResult && shouldPersist())
+            persistInt(value + minimumValue);
+    }
+
+    @Override
+    public void onStartTrackingTouch(SeekBar seekBar) {
+    }
+
+    @Override
+    public void onStopTrackingTouch(SeekBar seekBar) {
+    }
+}

app/src/main/java/org/bspeice/minimalbible/activity/downloader/DownloadPrefs.java

@@ -5,16 +5,19 @@ import de.devland.esperandro.annotations.SharedPreferences;
 /**
  * SharedPreferences interface to be built by Esperandro
  */
-@SharedPreferences(name="DownloadPrefs")
+@SharedPreferences
 public interface DownloadPrefs {
 
     boolean hasEnabledDownload();
+
     void hasEnabledDownload(boolean hasEnabledDownload);
 
     boolean hasShownDownloadDialog();
+
     void hasShownDownloadDialog(boolean hasShownDownloadDialog);
 
     long downloadRefreshedOn();
+
     void downloadRefreshedOn(long downloadRefreshedOn);
 
 }

app/src/main/java/org/bspeice/minimalbible/activity/viewer/BibleViewer.java

@@ -17,6 +17,7 @@ import org.bspeice.minimalbible.R;
 import org.bspeice.minimalbible.activity.BaseActivity;
 import org.bspeice.minimalbible.activity.downloader.DownloadActivity;
 import org.bspeice.minimalbible.activity.navigation.NavDrawerFragment;
+import org.bspeice.minimalbible.activity.settings.MinimalBibleSettings;
 import org.crosswire.jsword.book.Book;
 
 import javax.inject.Inject;
@@ -142,7 +143,8 @@ public class BibleViewer extends BaseActivity implements
 		// as you specify a parent activity in AndroidManifest.xml.
 		int id = item.getItemId();
 		if (id == R.id.action_settings) {
-			return true;
+            Intent i = new Intent(this, MinimalBibleSettings.class);
+            startActivityForResult(i, 0);
         } else if (id == R.id.action_downloads) {
 			startActivity(new Intent(this, DownloadActivity.class));
 		}

app/src/main/java/org/bspeice/minimalbible/activity/viewer/BibleViewerPreferences.java

@@ -6,7 +6,7 @@ import de.devland.esperandro.annotations.SharedPreferences;
 /**
  * Created by bspeice on 7/11/14.
  */
-@SharedPreferences(name = "BibleViewerPreferences")
+@SharedPreferences
 public interface BibleViewerPreferences {
 
     String defaultBookName();

app/src/main/kotlin/org/bspeice/minimalbible/activity/settings/MinimalBibleSettings.kt

@@ -0,0 +1,16 @@
+package org.bspeice.minimalbible.activity.settings
+
+import android.preference.PreferenceActivity
+import android.os.Bundle
+import org.bspeice.minimalbible.R
+
+/**
+ * Created by bspeice on 12/1/14.
+ */
+class MinimalBibleSettings() : PreferenceActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super<PreferenceActivity>.onCreate(savedInstanceState)
+
+        addPreferencesFromResource(R.xml.preferences)
+    }
+}

app/src/main/kotlin/org/bspeice/minimalbible/activity/viewer/BookAdapter.kt

@@ -74,8 +74,8 @@ class BookAdapter(val b: Book, val prefs: BibleViewerPreferences)
         val emptyView = LayoutInflater.from(parent?.getContext())
                 .inflate(R.layout.viewer_passage_view, parent, false) as TextView
 
-        // TODO: Prefs object for handling this?
+        // TODO: Listen for changes to the text size?
-        emptyView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16f)
+        emptyView.setTextSize(TypedValue.COMPLEX_UNIT_SP, prefs.baseTextSize().toFloat())
 
         val passage = PassageView(emptyView, b)
         return passage

app/src/main/res/layout/seekbardialogpreference_layout.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="6dip">
+
+    <TextView
+        android:id="@+id/preference_text"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center_horizontal"
+        android:textSize="32sp" />
+
+    <SeekBar
+        android:id="@+id/preference_seekbar"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>

app/src/main/res/values/attrs.xml

@@ -16,4 +16,12 @@
         <attr name="contourColor" format="color"/>
         <attr name="contourSize" format="dimension"/>
     </declare-styleable>
+
+    <!-- Copyright CMW Mobile.com, 2010. -->
+    <declare-styleable name="SeekBarDialogPreference">
+        <attr name="maximumValue" format="integer" />
+        <attr name="minimumValue" format="integer" />
+        <attr name="stepSize" format="integer" />
+        <attr name="units" format="string" />
+    </declare-styleable>
 </resources>

app/src/main/res/xml/preferences.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?><!-- I have to change the namespace slightly since this is part of the org.bspeice.minimalbible
+package as defined in AndroidManifest.xml. Otherwise, everything is intact as supplied,
+but I will likely want to re-implement this in the future -->
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:cmwmobile="http://schemas.android.com/apk/res/org.bspeice.minimalbible">
+
+    <com.cmwmobile.android.samples.SeekBarDialogPreference
+        android:defaultValue="14"
+        android:key="baseTextSize"
+        android:summary="Font Size"
+        android:title="Font Size"
+        cmwmobile:maximumValue="28"
+        cmwmobile:minimumValue="8"
+        cmwmobile:stepSize="1"
+        cmwmobile:units="pt." />
+
+</PreferenceScreen>