chore：example增加返回按钮

Author: wangshuwen

app/src/main/AndroidManifest.xml

@@ -22,7 +22,7 @@
 
         </activity>
 
-        <activity android:name="cn.cheney.app.HomeActivity">
+        <activity android:name="cn.cheney.app.ActivityA">
         </activity>
 
     </application>

app/src/main/java/cn/cheney/app/HomeActivity.java renamed to app/src/main/java/cn/cheney/app/ActivityA.java

@@ -3,6 +3,7 @@
 import android.os.Bundle;
 import android.util.Log;
 
+import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
 
 import java.util.List;
@@ -14,9 +15,9 @@
 import cn.cheney.xrouter.core.XRouter;
 
 @XRoute(path = "page", module = "moduleB")
-public class HomeActivity extends AppCompatActivity {
+public class ActivityA extends AppCompatActivity {
 
-    public static final String TAG = HomeActivity.class.getSimpleName();
+    public static final String TAG = ActivityA.class.getSimpleName();
 
     @XParam()
     Book book;
@@ -32,6 +33,12 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_test1);
         XRouter.getInstance().inject(this);
+        ActionBar actionBar = getSupportActionBar();
+        if(actionBar != null){
+            actionBar.setHomeButtonEnabled(true);
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+        setTitle("moduleB Page");
         Log.i(TAG, "onCreate book=" + book);
         Log.i(TAG, "onCreate infoList=" + infoList);
         Log.i(TAG, "onCreate infoMap=" + infoMap);

app/src/main/java/cn/cheney/app/MainActivity.java

@@ -32,7 +32,7 @@ public void onClick(View v) {
                 infoList.add("value");
                 Map<String, String> map = new HashMap<>();
                 map.put("key", "value");
-                Integer requestCode = XRouter.page("moduleA/page")
+                Integer requestCode = XRouter.page("moduleB/page")
                         .put("infoList", infoList)
                         .put("infoMap", map)
                         .action("cn.cheney.xrouter")