Add a class EndToEndTestRunner which extends InstrumentationTestRunner and can get the port of emulator. Then test can be run on more than one emulators at the same time.

2026-10-05 02:53:06 +02:00 · 2012-08-01 17:25:21 +08:00
commit 8796318335
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+/*
+ * Copyright 2012 Google Inc.
+ *
+ * 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.google.android.apps.mytracks;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentActivity;
+import android.support.v4.app.FragmentTransaction;
+import android.view.View;
+import android.widget.TabHost;
+import android.widget.TabHost.TabContentFactory;
+import android.widget.TabHost.TabSpec;
+
+import java.util.HashMap;
+
+/**
+ * This is a helper class that implements a generic mechanism for associating
+ * fragments with the tabs in a tab host. It relies on a trick. Normally a tab
+ * host has a simple API for supplying a View or Intent that each tab will show.
+ * This is not sufficient for switching between fragments. So instead we make
+ * the content part of the tab host 0dp high (it is not shown) and the
+ * TabManager supplies its own dummy view to show as the tab content. It listens
+ * to changes in tabs, and takes care of switch to the correct fragment shown in
+ * a separate content area whenever the selected tab changes.
+ * <p>
+ * Copied from the Fragment Tabs example in the API 4+ Support Demos.
+ *
+ * @author Jimmy Shih
+ */
+public class TabManager implements TabHost.OnTabChangeListener {
+
+  private final FragmentActivity fragmentActivity;
+  private final TabHost tabHost;
+  private final int containerId;
+  private final HashMap<String, TabInfo> tabs = new HashMap<String, TabInfo>();
+  private TabInfo lastTabInfo;
+
+  /**
+   * An object to hold a tab's info.
+   *
+   * @author Jimmy Shih
+   */
+  private static final class TabInfo {
+
+    private final String tag;
+    private final Class<?> clss;
+    private final Bundle bundle;
+    private Fragment fragment;
+
+    public TabInfo(String tag, Class<?> clss, Bundle bundle) {
+      this.tag = tag;
+      this.clss = clss;
+      this.bundle = bundle;
+    }
+  }
+
+  /**
+   * A dummy {@link TabContentFactory} that creates an empty view to satisfy the
+   * {@link TabHost} API.
+   *
+   * @author Jimmy Shih
+   */
+  private static class DummyTabContentFactory implements TabContentFactory {
+
+    private final Context context;
+
+    public DummyTabContentFactory(Context context) {
+      this.context = context;
+    }
+
+    @Override
+    public View createTabContent(String tag) {
+      View view = new View(context);
+      view.setMinimumWidth(0);
+      view.setMinimumHeight(0);
+      return view;
+    }
+  }
+
+  public TabManager(FragmentActivity fragmentActivity, TabHost tabHost, int containerId) {
+    this.fragmentActivity = fragmentActivity;
+    this.tabHost = tabHost;
+    this.containerId = containerId;
+    tabHost.setOnTabChangedListener(this);
+  }
+
+  public void addTab(TabSpec tabSpec, Class<?> clss, Bundle bundle) {
+    tabSpec.setContent(new DummyTabContentFactory(fragmentActivity));
+
+    String tag = tabSpec.getTag();
+    TabInfo tabInfo = new TabInfo(tag, clss, bundle);
+
+    /*
+     * Check to see if we already have a fragment for this tab, probably from a
+     * previously saved state. If so, deactivate it, because our initial state
+     * is that a tab isn't shown.
+     */
+    tabInfo.fragment = fragmentActivity.getSupportFragmentManager().findFragmentByTag(tag);
+    if (tabInfo.fragment != null && !tabInfo.fragment.isDetached()) {
+      FragmentTransaction fragmentTransaction = fragmentActivity.getSupportFragmentManager()
+          .beginTransaction();
+      fragmentTransaction.detach(tabInfo.fragment);
+      fragmentTransaction.commit();
+    }
+    tabs.put(tag, tabInfo);
+    tabHost.addTab(tabSpec);
+  }
+
+  @Override
+  public void onTabChanged(String tabId) {
+    TabInfo newTabInfo = tabs.get(tabId);
+    if (lastTabInfo != newTabInfo) {
+      FragmentTransaction fragmentTransaction = fragmentActivity.getSupportFragmentManager()
+          .beginTransaction();
+      if (lastTabInfo != null) {
+        if (lastTabInfo.fragment != null) {
+          fragmentTransaction.detach(lastTabInfo.fragment);
+        }
+      }
+      if (newTabInfo != null) {
+        if (newTabInfo.fragment == null) {
+          newTabInfo.fragment = Fragment.instantiate(
+              fragmentActivity, newTabInfo.clss.getName(), newTabInfo.bundle);
+          fragmentTransaction.add(containerId, newTabInfo.fragment, newTabInfo.tag);
+        } else {
+          fragmentTransaction.attach(newTabInfo.fragment);
+        }
+      }
+
+      lastTabInfo = newTabInfo;
+      fragmentTransaction.commit();
+      fragmentActivity.getSupportFragmentManager().executePendingTransactions();
+    }
+  }
+}