title: android:allowBackup="true" error on "true"
body: <p>I have one problem my code has <code>android:allowBackup="true"</code> error on "true"</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.example.dsadas.bottombardmo"&gt;
  
      &lt;application
          android:allowBackup="true"
          android:icon="@mipmap/ic_launcher"
          android:label="@string/app_name"
          android:supportsRtl="true"
          android:theme="@style/AppTheme"&gt;
          &lt;activity android:name=".MainActivity"&gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="android.intent.action.MAIN" /&gt;
  
                  &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
      &lt;/application&gt;
  
  &lt;/manifest&gt;
  </code></pre>
  
  <p>I used calculate distance project but there are many projects, when I create a project then error generate of in manifest file.</p>
  
  <pre><code>&lt;application android:allowBackup="true"&gt;
  </code></pre>
  
  <p>Please tell me answer</p>