Merge pull request #33 from schul-cloud/54-add-pt-sans

add pt sans

app/build.gradle

@@ -80,6 +80,7 @@ android {
                             'src/main/res/layouts',
                             'src/main/res'
                     ]
+            assets.srcDirs = ['src/main/assets', 'src/main/assets/']
         }
     }
 

app/src/main/java/org/schulcloud/mobile/SchulCloudApplication.java

@@ -8,6 +8,7 @@
 import org.schulcloud.mobile.injection.component.ApplicationComponent;
 import org.schulcloud.mobile.injection.component.DaggerApplicationComponent;
 import org.schulcloud.mobile.injection.module.ApplicationModule;
+import org.schulcloud.mobile.util.TypefaceUtil;
 
 import io.fabric.sdk.android.Fabric;
 import timber.log.Timber;
@@ -28,6 +29,9 @@ public void onCreate() {
             Timber.plant(new Timber.DebugTree());
             Fabric.with(this, new Crashlytics());
         }
+
+        // override font
+        TypefaceUtil.overrideFont(getApplicationContext(), "SERIF", "fonts/ptsans.ttf");
     }
 
     public ApplicationComponent getComponent() {

app/src/main/java/org/schulcloud/mobile/util/TypefaceUtil.java

@@ -0,0 +1,31 @@
+package org.schulcloud.mobile.util;
+
+import android.content.Context;
+import android.graphics.Typeface;
+import android.util.Log;
+
+import java.lang.reflect.Field;
+
+import timber.log.Timber;
+
+public class TypefaceUtil {
+
+    /**
+     * Using reflection to override default typeface
+     * NOTICE: DO NOT FORGET TO SET TYPEFACE FOR APP THEME AS DEFAULT TYPEFACE WHICH WILL BE OVERRIDDEN
+     * @param context to work with assets
+     * @param defaultFontNameToOverride for example "monospace"
+     * @param customFontFileNameInAssets file name of the font from assets
+     */
+    public static void overrideFont(Context context, String defaultFontNameToOverride, String customFontFileNameInAssets) {
+        try {
+            final Typeface customFontTypeface = Typeface.createFromAsset(context.getAssets(), customFontFileNameInAssets);
+
+            final Field defaultFontTypefaceField = Typeface.class.getDeclaredField(defaultFontNameToOverride);
+            defaultFontTypefaceField.setAccessible(true);
+            defaultFontTypefaceField.set(null, customFontTypeface);
+        } catch (Exception e) {
+            Timber.e("Can not set custom font " + customFontFileNameInAssets + " instead of " + defaultFontNameToOverride);
+        }
+    }
+}

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

@@ -4,6 +4,7 @@
         <item name="colorPrimary">@color/primary</item>
         <item name="colorPrimaryDark">@color/primary_dark</item>
         <item name="colorAccent">@color/primary_dark</item>
+        <item name="android:typeface">serif</item>
         <item name="drawerArrowStyle">@style/BarStyle</item>
     </style>