Remove direct references to private framework resources

This will allow us to distribute the chooser.  Private resources
were either redefined in our xml or reflection is used to retrieve
these values in code.

Change-Id: I8c901abef6a5492094d4b86752368625a385bb47

5 files changed, 72 insertions, 24 deletions

diff --git a/src/com/cyngn/theme/chooser/ChooserActivity.java b/src/com/cyngn/theme/chooser/ChooserActivity.java
index 5fce6fa..a40a338 100644
--- a/src/com/cyngn/theme/chooser/ChooserActivity.java
+++ b/src/com/cyngn/theme/chooser/ChooserActivity.java
@@ -520,8 +520,7 @@ public class ChooserActivity extends FragmentActivity
             v.getLocationOnScreen(coordinates);
             final int top = coordinates[1];
             final int bottom = coordinates[1] + v.getHeight();
-            final int statusBarHeight = res.getDimensionPixelSize(
-                    com.android.internal.R.dimen.status_bar_height);
+            final int statusBarHeight = res.getDimensionPixelSize(R.dimen.status_bar_height);
             int selectorTop = getWindowManager().getDefaultDisplay().getHeight() - height;
             if (bottom > selectorTop) {
                 slideContentIntoView(bottom - selectorTop, height);
diff --git a/src/com/cyngn/theme/chooser/ThemeFragment.java b/src/com/cyngn/theme/chooser/ThemeFragment.java
index bd69d35..585dd67 100644
--- a/src/com/cyngn/theme/chooser/ThemeFragment.java
+++ b/src/com/cyngn/theme/chooser/ThemeFragment.java
@@ -616,7 +616,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
     private void adjustScrollViewPaddingTop() {
         Resources res = getResources();
         int extraPadding =
-                res.getDimensionPixelSize(R.dimen.system_bar_height) / 2;
+                res.getDimensionPixelSize(R.dimen.navigation_bar_height) / 2;
         mScrollView.setPadding(mScrollView.getPaddingLeft(),
                 mScrollView.getPaddingTop() + extraPadding, mScrollView.getPaddingRight(),
                 mScrollView.getPaddingBottom());
@@ -688,7 +688,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
                     (LinearLayout.LayoutParams) child.getLayoutParams();
             if (child == mStatusBarCard) {
                 int statusBarHeight = getResources()
-                        .getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
+                        .getDimensionPixelSize(R.dimen.status_bar_height);
                 lparams.setMargins(0, top + statusBarHeight, 0, 0);
             } else {
                 lparams.setMargins(0, top, 0, 0);
@@ -780,7 +780,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         int paddingTop = (int) r.getDimension(R.dimen.collapsed_theme_page_padding_top);
         if (!Utils.hasNavigationBar(getActivity())) {
             paddingTop +=
-                    r.getDimensionPixelSize(R.dimen.system_bar_height) / 2;
+                    r.getDimensionPixelSize(R.dimen.navigation_bar_height) / 2;
         }
         mScrollView.setPadding(0, paddingTop, 0, 0);
 
diff --git a/src/com/cyngn/theme/perapptheming/PerAppThemeListView.java b/src/com/cyngn/theme/perapptheming/PerAppThemeListView.java
index 646cb49..5a4424f 100644
--- a/src/com/cyngn/theme/perapptheming/PerAppThemeListView.java
+++ b/src/com/cyngn/theme/perapptheming/PerAppThemeListView.java
@@ -4,10 +4,12 @@
 package com.cyngn.theme.perapptheming;
 
 import android.content.Context;
+import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.util.AttributeSet;
 import android.widget.ListView;
 import com.cyngn.theme.chooser.R;
+import com.cyngn.theme.util.Utils;
 
 public class PerAppThemeListView extends ListView {
     private int mMinHeight;
@@ -23,8 +25,11 @@ public class PerAppThemeListView extends ListView {
 
     public PerAppThemeListView(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        TypedArray a = context.obtainStyledAttributes(attrs, com.android.internal.R.styleable.View);
-        mMinHeight = a.getDimensionPixelSize(com.android.internal.R.styleable.View_minHeight, 0);
+        final Resources res = getResources();
+        TypedArray a = context.obtainStyledAttributes(attrs,
+                Utils.getResourceDeclareStyleableIntArray("com.android.internal", "View"));
+        int resId = res.getIdentifier("View_minHeight", "styleable", "android");
+        mMinHeight = a.getDimensionPixelSize(resId, 0);
         a.recycle();
 
         a = context.obtainStyledAttributes(attrs, R.styleable.PerAppThemeListView);
diff --git a/src/com/cyngn/theme/util/Utils.java b/src/com/cyngn/theme/util/Utils.java
index 720a542..68c4211 100644
--- a/src/com/cyngn/theme/util/Utils.java
+++ b/src/com/cyngn/theme/util/Utils.java
@@ -36,6 +36,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.lang.reflect.Field;
 import java.util.List;
 import java.util.Map;
 
@@ -515,4 +516,34 @@ public class Utils {
                 && homeInfo.packageName.equals(component.getPackageName())
                 && homeInfo.name.equals(component.getClassName());
     }
+
+    /**
+     * Returns the resource-IDs for all attributes specified in the given
+     * <declare-styleable>-resource tag as an int array.
+     * stackoverflow.com/questions/13816596/accessing-declare-styleable-resources-programatically
+     *
+     * @param name
+     * @return
+     */
+    public static final int[] getResourceDeclareStyleableIntArray(String pkgName, String name) {
+        try {
+            //use reflection to access the resource class
+            Field[] fields2 =
+                    Class.forName(pkgName + ".R$styleable").getFields();
+
+            //browse all fields
+            for (Field f : fields2) {
+                //pick matching field
+                if (f.getName().equals(name)) {
+                    //return as int array
+                    int[] ret = (int[])f.get(null);
+                    return ret;
+                }
+            }
+        }
+        catch (Throwable t) {
+        }
+
+        return null;
+    }
 }
diff --git a/src/com/cyngn/theme/widget/LatoTextView.java b/src/com/cyngn/theme/widget/LatoTextView.java
index 2c74eaa..fe39e5c 100644
--- a/src/com/cyngn/theme/widget/LatoTextView.java
+++ b/src/com/cyngn/theme/widget/LatoTextView.java
@@ -10,6 +10,7 @@ import android.content.res.TypedArray;
 import android.graphics.Typeface;
 import android.util.AttributeSet;
 import android.widget.TextView;
+import com.cyngn.theme.util.Utils;
 
 import java.io.File;
 
@@ -52,6 +53,10 @@ public class LatoTextView extends TextView {
     private static Typeface[] sLatoLightTypeface;
     private static final Object sLock = new Object();
 
+    // Retrieving these attributes is done via reflection so let's just do this once and share
+    // it amongst the other instances of LatoTextView
+    private static int[] sTextViewStyleAttributes;
+
     public LatoTextView(Context context) {
         this(context, null);
     }
@@ -100,29 +105,37 @@ public class LatoTextView extends TextView {
         }
 
         final Resources.Theme theme = context.getTheme();
-        TypedArray a = theme.obtainStyledAttributes(
-                attrs, com.android.internal.R.styleable.TextView, defStyle, 0);
-        String fontFamily = "sans-serif";
-        int styleIndex = Typeface.NORMAL;
-        if (a != null) {
-            int n = a.getIndexCount();
-            for (int i = 0; i < n; i++) {
-                int attr = a.getIndex(i);
+        if (sTextViewStyleAttributes == null) {
+            sTextViewStyleAttributes =
+                    Utils.getResourceDeclareStyleableIntArray("com.android.internal", "TextView");
+        }
 
-                switch (attr) {
-                    case com.android.internal.R.styleable.TextView_fontFamily:
-                        fontFamily = a.getString(attr);
-                        break;
+        if (sTextViewStyleAttributes != null) {
+            TypedArray a =
+                    theme.obtainStyledAttributes(attrs, sTextViewStyleAttributes, defStyle, 0);
+            String fontFamily = "sans-serif";
+            int styleIndex = Typeface.NORMAL;
+            if (a != null) {
+                int n = a.getIndexCount();
+                for (int i = 0; i < n; i++) {
+                    int attr = a.getIndex(i);
 
-                    case com.android.internal.R.styleable.TextView_textStyle:
+                    final Resources res = getResources();
+                    int attrFontFamily =
+                            res.getIdentifier("TextView_fontFamily", "styleable", "android");
+                    int attrTextStyle =
+                            res.getIdentifier("TextView_textStyle", "styleable", "android");
+                    if (attr == attrFontFamily) {
+                        fontFamily = a.getString(attr);
+                    } else if (attr == attrTextStyle) {
                         styleIndex = a.getInt(attr, styleIndex);
-                        break;
+                    }
                 }
+                a.recycle();
             }
-            a.recycle();
-        }
 
-        setTypefaceFromAttrs(fontFamily, styleIndex);
+            setTypefaceFromAttrs(fontFamily, styleIndex);
+        }
     }
 
     private void setTypefaceFromAttrs(String familyName, int styleIndex) {