本篇文章为大家展示了如何进行Android联机及模拟器单独测试Activity的辅助Activity示例开发，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。
想起写个单独测试Activity的辅助Activity的原因是在联机测试的时候IDEA或者Android Studio中的指定运行Activity功能没法使用了。
下面付IDE中指定运行Activity的界面截图：
辅助Activity要做的事情是将辅助Activity作为启动的默认Activity，其主界面中以ListView的形式展示所有Activity，通过单击ListView的Item项来启动要测试的Activity。
1. 辅助Activity代码示例：
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package secondriver.app;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Created by Broncho on 2015/11/15.
*/
public class TestActivitiesActivity extends Activity implements AdapterView.OnItemClickListener {
private LinearLayout mRootView;
private ListView mListView;
private ArrayAdapter mAdapter;
private List<Class> mAllActivities;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
initView();
mAllActivities = getActivities(this, this.getPackageName(), Arrays.<Class>asList(this.getClass()));
mAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, android.R.id.text1, mAllActivities);
mListView.setAdapter(mAdapter);
mListView.setOnItemClickListener(this);
}
private void initView() {
mRootView = new LinearLayout(this);
mListView = new ListView(this);
mListView.setId(android.R.id.list);
mRootView.addView(mListView, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
setContentView(mRootView);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Class activity = mAllActivities.get(position);
//启动指定的Activity
startActivity(new Intent(this, activity));
}
/**
* 获取所有要测试的Activity Class
*
* @param context
* @param packageName
* @param excludeActivities
* @return
*/
public static List<Class> getActivities(Context context, String packageName, List<Class> excludeActivities) {
final String TAG = "GET_ACTIVITY";
List<Class> includeActivities = new ArrayList<>();
try {
PackageInfo packageInfo = context.getPackageManager().getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
if (packageInfo.activities != null) {
ActivityInfo[] activityInfos = packageInfo.activities;
Log.d(TAG, "Find " + activityInfos.length + " activity in AndroidManifest.xml.");
for (ActivityInfo activityInfo : activityInfos) {
Class activityClass;
String activityName = activityInfo.name;
try {
activityClass = Class.forName(activityName);
if (Activity.class.isAssignableFrom(activityClass)) {
includeActivities.add(activityClass);
}
} catch (ClassNotFoundException e) {
Log.d(TAG, "Class not found activity " + activityName + " in package " + packageName);
}
}
}
Log.d(TAG, "Found " + includeActivities.size() + " activity list is :" + Arrays.toString(includeActivities.toArray()));
if (null != excludeActivities) {
includeActivities.removeAll(excludeActivities);
}
Log.d(TAG, "Last " + includeActivities.size() + " activity list is :" + Arrays.toString(includeActivities.toArray()));
} catch (PackageManager.NameNotFoundException e) {
Log.d(TAG, "Android system not found package " + packageName);
}
return includeActivities;
}
}在AndroidManifest.xml中讲辅助Activity设置为默认启动的Activity，之后就可以通过选择点击要启动的Activity来进行测试。该示例还可以通过添加一些代码来增强，比如启动Activity的时候可以通过输入对话框的方式携带数据至启动的Activity。测试完成后删除或者充足默认启动的Activity即可。
2. 配置AndroidManifest.xml :
<activity android:name=".TestActivitiesActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity android:name=".OneActivity"/>
<activity android:name=".TwoActivity"/>3. 调试日志：
11-15 20:07:31.899 10665-10665/secondriver.app D/GET_ACTIVITY: Find 3 activity in AndroidManifest.xml.
11-15 20:07:31.899 10665-10665/secondriver.app D/GET_ACTIVITY: Found activity have 3 list is :[class secondriver.app.TestActivitiesActivity, class secondriver.app.OneActivity, class secondriver.app.TwoActivity]
11-15 20:07:31.899 10665-10665/secondriver.app D/GET_ACTIVITY: Last activity have 2 list is :[class secondriver.app.OneActivity, class secondriver.app.TwoActivity]从日志中可以看到一共发现了3个Activity类，去除辅助的Activity，在ListView中讲显示2个Item项。
后期追加内容：
4. 结果效果图
新源码参见附件：TestActivitiesActivity.java.txt
Item状态变化Drawable文件内容如下：
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