1 files changed, 88 insertions, 0 deletions
diff --git a/src/com/android/messaging/ui/TestActivity.java b/src/com/android/messaging/ui/TestActivity.java
new file mode 100644
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+++ b/src/com/android/messaging/ui/TestActivity.java
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+/*
+ * Copyright (C) 2015 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.android.messaging.ui;
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.support.v4.app.FragmentActivity;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.FrameLayout;
+
+import com.android.messaging.R;
+import com.android.messaging.util.LogUtil;
+import com.google.common.annotations.VisibleForTesting;
+
+/**
+ * An empty activity that can be used to host a fragment or view for unit testing purposes. Lives in
+ * app code vs test code due to requirement of ActivityInstrumentationTestCase2.
+ */
+public class TestActivity extends FragmentActivity {
+    private FragmentEventListener mFragmentEventListener;
+
+    public interface FragmentEventListener {
+        public void onAttachFragment(Fragment fragment);
+    }
+
+    @Override
+    protected void onCreate(final Bundle bundle) {
+        super.onCreate(bundle);
+
+        if (bundle != null) {
+            // The test case may have configured the fragment, and recreating the activity will
+            // lose that configuration. The real activity is the only activity that would know
+            // how to reapply that configuration.
+            throw new IllegalStateException("TestActivity cannot get recreated");
+        }
+
+        // There is a race condition, but this often makes it possible for tests to run with the
+        // key guard up
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON |
+                WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD |
+                WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED |
+                WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
+
+        setContentView(R.layout.test_activity);
+    }
+
+    @VisibleForTesting
+    public void setFragment(final Fragment fragment) {
+        LogUtil.i(LogUtil.BUGLE_TAG, "TestActivity.setFragment");
+        getFragmentManager()
+                .beginTransaction()
+                .replace(R.id.test_content, fragment)
+                .commit();
+        getFragmentManager().executePendingTransactions();
+    }
+
+    @VisibleForTesting
+    public void setView(final View view) {
+        LogUtil.i(LogUtil.BUGLE_TAG, "TestActivity.setView");
+        ((FrameLayout) findViewById(R.id.test_content)).addView(view);
+    }
+
+    @Override
+    public void onAttachFragment(final Fragment fragment) {
+        if (mFragmentEventListener != null) {
+            mFragmentEventListener.onAttachFragment(fragment);
+        }
+    }
+
+    public void setFragmentEventListener(final FragmentEventListener fragmentEventListener) {
+        mFragmentEventListener = fragmentEventListener;
+    }
+}