1 files changed, 58 insertions, 0 deletions
diff --git a/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/utils/Utils.java b/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/utils/Utils.java
new file mode 100644
index 000000000..4416cbe49
--- /dev/null
+++ b/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/utils/Utils.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package android.support.v17.leanback.supportleanbackshowcase.utils;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * A collection of utility methods, all static.
+ */
+public class Utils {
+
+    public static int convertDpToPixel(Context ctx, int dp) {
+        float density = ctx.getResources().getDisplayMetrics().density;
+        return Math.round((float) dp * density);
+    }
+
+    /**
+     * Will read the content from a given {@link InputStream} and return it as a {@link String}.
+     *
+     * @param inputStream The {@link InputStream} which should be read.
+     * @return Returns <code>null</code> if the the {@link InputStream} could not be read. Else
+     * returns the content of the {@link InputStream} as {@link String}.
+     */
+    public static String inputStreamToString(InputStream inputStream) {
+        try {
+            byte[] bytes = new byte[inputStream.available()];
+            inputStream.read(bytes, 0, bytes.length);
+            String json = new String(bytes);
+            return json;
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    public static Uri getResourceUri(Context context, int resID) {
+        return Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE + "://" +
+                                 context.getResources().getResourcePackageName(resID) + '/' +
+                                 context.getResources().getResourceTypeName(resID) + '/' +
+                                 context.getResources().getResourceEntryName(resID));
+    }
+}