Update README.md

jiahongfei · Jun 25, 2017 · 5a5ceca · 5a5ceca
1 parent b5eac50
commit 5a5ceca
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -22,7 +22,9 @@
 
 使用代码非常简单
 ```
-private static String TAG = "MainActivity";
+public class MainActivity extends AppCompatActivity {
+
+ private static String TAG = "MainActivity";
 
  //循环取当前时刻的步数中间的间隔时间
  private long TIME_INTERVAL_REFRESH = 500;
@@ -97,4 +99,5 @@ private static String TAG = "MainActivity";
  TextView stepTextView = (TextView)findViewById(R.id.stepTextView);
  stepTextView.setText(mStepSum + "步");
  }
+}
 ```