Add BrowseErrorActivity and ErrorFragment.

Change-Id: I60cb6f436782d3b8a97c2f48a71e2ee86ef6d542

samples/SupportLeanbackDemos/AndroidManifest.xml

@@ -35,5 +35,8 @@
         <activity android:name="SearchActivity"
             android:exported="true" />
 
+        <activity android:name="BrowseErrorActivity"
+                  android:exported="true" />
+
     </application>
 </manifest>

samples/SupportLeanbackDemos/res/layout/main.xml

@@ -15,9 +15,16 @@
      limitations under the License.
 -->
 
-<fragment xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/main_frame"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+	<fragment
 	    android:name="com.example.android.leanback.BrowseFragment"
 	    android:id="@+id/main_browse_fragment"
 	    android:layout_width="match_parent"
 	    android:layout_height="match_parent"
 	/>
+
+</FrameLayout>

samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseErrorActivity.java

@@ -0,0 +1,71 @@
+/*
+ * 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 com.example.android.leanback;
+
+import android.app.Activity;
+import android.app.Fragment;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+import android.widget.ProgressBar;
+
+public class BrowseErrorActivity extends Activity
+{
+    private ErrorFragment mErrorFragment;
+    private SpinnerFragment mSpinnerFragment;
+
+    /** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+
+        testError();
+    }
+
+    private void testError() {
+        mErrorFragment = new ErrorFragment();
+        getFragmentManager().beginTransaction().add(R.id.main_frame, mErrorFragment).commit();
+
+        mSpinnerFragment = new SpinnerFragment();
+        getFragmentManager().beginTransaction().add(R.id.main_frame, mSpinnerFragment).commit();
+
+        Handler handler = new Handler();
+        handler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                getFragmentManager().beginTransaction().remove(mSpinnerFragment).commit();
+                mErrorFragment.setErrorContent(getResources());
+            }
+        }, 3000);
+    }
+
+    static public class SpinnerFragment extends Fragment {
+        @Override
+        public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                    Bundle savedInstanceState) {
+            ProgressBar progressBar = new ProgressBar(container.getContext());
+            if (container instanceof FrameLayout) {
+                FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(100, 100, Gravity.CENTER);
+                progressBar.setLayoutParams(layoutParams);
+            }
+            return progressBar;
+        }
+    }
+}

samples/SupportLeanbackDemos/src/com/example/android/leanback/ErrorFragment.java

@@ -0,0 +1,55 @@
+/*
+ * 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 com.example.android.leanback;
+
+import android.content.Intent;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.support.v17.leanback.widget.ArrayObjectAdapter;
+import android.support.v17.leanback.widget.HeaderItem;
+import android.support.v17.leanback.widget.ListRow;
+import android.support.v17.leanback.widget.ListRowPresenter;
+import android.support.v17.leanback.widget.OnItemClickedListener;
+import android.support.v17.leanback.widget.Row;
+import android.support.v17.leanback.widget.SearchOrbView;
+import android.util.Log;
+import android.view.View;
+
+public class ErrorFragment extends android.support.v17.leanback.app.ErrorFragment {
+    private static final String TAG = "leanback.ErrorFragment";
+    private static final boolean TRANSLUCENT = true;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        Log.i(TAG, "onCreate");
+        super.onCreate(savedInstanceState);
+
+        setTitle("Leanback Sample App");
+    }
+
+    void setErrorContent(Resources resources) {
+        setImageDrawable(resources.getDrawable(R.drawable.lb_ic_sad_cloud));
+        setMessage("An error occurred.");
+        setDefaultBackground(TRANSLUCENT);
+
+        setButtonText("Dismiss");
+        setButtonClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View arg0) {
+                Log.i(TAG, "button clicked");
+                getFragmentManager().beginTransaction().remove(ErrorFragment.this).commit();
+            }
+        });
+    }
+}