Show regulatory info based on hardware sku in Settings app.

Use ro.boot.hardware.sku to read hardware sku property. When this property is
 set use regulatory_info_<sku>.img. By default use regulatory_info.png

Updated layout to set ImageView.

Bug: 9378140

Change-Id: I8e3622a89742333818297759585227c6290ccf31

res/layout/regulatory_info.xml

@@ -17,6 +17,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
     <ImageView
+        android:id="@+id/regulatoryInfo"
         android:adjustViewBounds="true"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"

src/com/android/settings/RegulatoryInfoDisplayActivity.java

@@ -22,7 +22,11 @@ import android.content.DialogInterface;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.os.SystemProperties;
+import android.text.TextUtils;
 import android.view.Gravity;
+import android.view.View;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 /**
@@ -30,11 +34,14 @@ import android.widget.TextView;
  * preference item, and when "*#07#" is dialed on the Phone keypad. To enable this feature,
  * set the "config_show_regulatory_info" boolean to true in a device overlay resource, and in the
  * same overlay, either add a drawable named "regulatory_info.png" containing a graphical version
- * of the required regulatory info, or add a string resource named "regulatory_info_text" with
- * an HTML version of the required information (text will be centered in the dialog).
+ * of the required regulatory info (If ro.bootloader.hardware.sku property is set use
+ * "regulatory_info_<sku>.png where sku is ro.bootloader.hardware.sku property value in lowercase"),
+ * or add a string resource named "regulatory_info_text" with an HTML version of the required
+ * information (text will be centered in the dialog).
  */
 public class RegulatoryInfoDisplayActivity extends Activity implements
         DialogInterface.OnDismissListener {
+    private final String REGULATORY_INFO_RESOURCE = "regulatory_info";
 
     /**
      * Display the regulatory info graphic in a dialog window.
@@ -52,9 +59,11 @@ public class RegulatoryInfoDisplayActivity extends Activity implements
                 .setTitle(R.string.regulatory_information)
                 .setOnDismissListener(this);
 
-        boolean regulatoryInfoDrawableExists;
+        boolean regulatoryInfoDrawableExists = false;
+        int resId = getResourceId();
+        if (resId != 0) {
             try {
-            Drawable d = resources.getDrawable(R.drawable.regulatory_info);
+                Drawable d = resources.getDrawable(resId);
                 // set to false if the width or height is <= 2
                 // (missing PNG can return an empty 2x2 pixel Drawable)
                 regulatoryInfoDrawableExists = (d.getIntrinsicWidth() > 2
@@ -62,11 +71,15 @@ public class RegulatoryInfoDisplayActivity extends Activity implements
             } catch (Resources.NotFoundException ignored) {
                 regulatoryInfoDrawableExists = false;
             }
+        }
 
         CharSequence regulatoryText = resources.getText(R.string.regulatory_info_text);
 
         if (regulatoryInfoDrawableExists) {
-            builder.setView(getLayoutInflater().inflate(R.layout.regulatory_info, null));
+            View view = getLayoutInflater().inflate(R.layout.regulatory_info, null);
+            ImageView image = (ImageView) view.findViewById(R.id.regulatoryInfo);
+            image.setImageResource(resId);
+            builder.setView(view);
             builder.show();
         } else if (regulatoryText.length() > 0) {
             builder.setMessage(regulatoryText);
@@ -80,6 +93,24 @@ public class RegulatoryInfoDisplayActivity extends Activity implements
         }
     }
 
+    private int getResourceId() {
+        // Use regulatory_info by default.
+        int resId = getResources().getIdentifier(
+                REGULATORY_INFO_RESOURCE, "drawable", getPackageName());
+
+        // When hardware sku property exists, use regulatory_info_<sku> resource if valid.
+        String sku = SystemProperties.get("ro.boot.hardware.sku", "");
+        if (!TextUtils.isEmpty(sku)) {
+            String regulatory_info_res = REGULATORY_INFO_RESOURCE + "_" + sku.toLowerCase();
+            int id = getResources().getIdentifier(
+                    regulatory_info_res, "drawable", getPackageName());
+            if (id != 0) {
+                resId = id;
+            }
+        }
+        return resId;
+    }
+
     @Override
     public void onDismiss(DialogInterface dialog) {
         finish();   // close the activity