add setting for font size: large / normal / small

ynzheng · Jun 6, 2016 · 687f65b · 687f65b
1 parent cd5a5cd
commit 687f65b
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diff --git a/app/src/main/java/com/zfdang/zsmth_android/MyPreferenceFragment.java b/app/src/main/java/com/zfdang/zsmth_android/MyPreferenceFragment.java
@@ -7,6 +7,7 @@
 import android.support.v7.app.AppCompatDelegate;
 import android.support.v7.preference.CheckBoxPreference;
 import android.support.v7.preference.EditTextPreference;
+import android.support.v7.preference.ListPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceFragmentCompat;
 import android.util.Log;
@@ -41,6 +42,7 @@ public class MyPreferenceFragment extends PreferenceFragmentCompat {
     CheckBoxPreference launch_hottopic_as_entry;
     CheckBoxPreference daynight_control;
     CheckBoxPreference setting_post_navigation_control;
+    ListPreference setting_fontsize_control;
     CheckBoxPreference image_quality_control;
 
     CheckBoxPreference notification_control_mail;
@@ -118,6 +120,28 @@ public boolean onPreferenceChange(Preference preference, Object newValue) {
             }
         });
 
+
+        setting_fontsize_control = (ListPreference) findPreference("setting_fontsize_control");
+        setting_fontsize_control.setValueIndex(Settings.getInstance().getFontIndex());
+        setting_fontsize_control.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener(){
+            @Override
+            public boolean onPreferenceChange(Preference preference, Object newValue) {
+                int fontIndex = Settings.getInstance().getFontIndex();
+                if(newValue instanceof String){
+                    fontIndex = Integer.parseInt((String)newValue);
+                }
+                Settings.getInstance().setFontIndex(fontIndex);
+
+                // recreate activity for font size to take effect
+                Activity activity = getActivity();
+                if(activity != null) {
+                    activity.recreate();
+                }
+                return true;
+            }
+        });
+
+
         image_quality_control = (CheckBoxPreference) findPreference("setting_image_quality_control");
         image_quality_control.setChecked(Settings.getInstance().isLoadOriginalImage());
         image_quality_control.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {

diff --git a/app/src/main/java/com/zfdang/zsmth_android/SMTHBaseActivity.java b/app/src/main/java/com/zfdang/zsmth_android/SMTHBaseActivity.java
@@ -1,7 +1,10 @@
 package com.zfdang.zsmth_android;
 
 import android.app.ProgressDialog;
+import android.content.res.Configuration;
+import android.content.res.Resources;
 import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
 
 /**
  * Created by zfdang on 2016-5-10.
@@ -34,4 +37,15 @@ protected void onDestroy() {
 
         dismissProgress();
     }
+
+    @Override
+    public Resources getResources() {
+        Resources res = super.getResources();
+        Configuration config = res.getConfiguration();
+        config.fontScale = Settings.getInstance().getFontSizeFloatValue();
+        res.updateConfiguration(config, res.getDisplayMetrics());
+
+        Log.d("SMTHBaseActivity", "getResources: " + config.fontScale);
+        return res;
+    }
 }
diff --git a/app/src/main/java/com/zfdang/zsmth_android/Settings.java b/app/src/main/java/com/zfdang/zsmth_android/Settings.java
@@ -277,6 +277,29 @@ public void setPostNavBar(boolean bPostNavBar) {
         }
     }
 
+    private static final String ZSMTH_FONT_INDEX = "ZSMTH_FONT_INDEX";
+    private int iFontIndex;  // 0: large font; 1: normal font; 2: small
+    public int getFontIndex() {
+        return iFontIndex;
+    }
+    public float getFontSizeFloatValue() {
+        if(iFontIndex == 0) {
+            return 1.15f;
+        } else if(iFontIndex == 2) {
+            return 0.85f;
+        } else {
+            return 1.0f;
+        }
+    }
+    public void setFontIndex(int iFontIndex) {
+        System.out.println(iFontIndex);
+        if(this.iFontIndex != iFontIndex) {
+            this.iFontIndex = iFontIndex;
+            mEditor.putInt(ZSMTH_FONT_INDEX, this.iFontIndex);
+            mEditor.commit();
+        }
+    }
+
 
     private final String Preference_Name = "ZSMTH_Config";
 
@@ -332,5 +355,6 @@ private void initSettings(){
         bLaunchHotTopic = mPreference.getBoolean(LAUNCH_HOTTOPIC_AS_ENTRY, true);
 
         bPostNavBar = mPreference.getBoolean(SHOW_POST_NAVITATION_BAR, true);
+        iFontIndex = mPreference.getInt(ZSMTH_FONT_INDEX, 1);
     }
 }
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="font_size_names">
+        <item>大字体</item>
+        <item>正常字体</item>
+        <item>小字体</item>
+    </string-array>
+    <string-array name="font_size_values">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
@@ -34,6 +34,13 @@
             android:summaryOn="快速导航栏已打开"
             android:title="帖子快速导航栏"/>
 
+        <ListPreference android:title="字体设置"
+                        android:key="setting_fontsize_control"
+                        android:summary="%s"
+                        android:entries="@array/font_size_names"
+                        android:entryValues="@array/font_size_values">
+        </ListPreference>
+
         <CheckBoxPreference
             android:defaultValue="on"
             android:key="setting_image_quality_control"