title: Error:(30) Tag <category> attribute name has invalid character ' '
body: <p>my app was running successfully but suddenly i got an error in debug/manifest file
  Error:(30) Tag  attribute name has invalid character ' '.
  Error:Execution failed for task ':app:processDebugResources'.</p>
  
  <blockquote>
    <p>com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Users\Administrator\AppData\Local\Android\sdk\build-tools\22.0.1\aapt.exe'' finished with non-zero exit value 1</p>
  </blockquote>
  
  <p>This is my debug/manifest file
  
  </p>
  
  <pre><code>&lt;uses-sdk android:minSdkVersion="19" android:targetSdkVersion="23" /&gt;
  
  &lt;uses-permission android:name="android.permission.INTERNET" /&gt;
  &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
  &lt;uses-permission android:name="android.permission.READ_PHONE_STATE" /&gt;
  &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt;
  &lt;uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" /&gt;
  
  &lt;application android:allowBackup="true" android:icon="@drawable/icon_48"
      android:label="@string/app_name" android:theme="@style/MyMaterialTheme.Base"&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.Splash"
          android:label="@string/app_name" android:screenOrientation="portrait"&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;activity android:name="com.solution.caring.caringsolutions.MainActivity"
          android:label="@string/title_activity_splash" android:screenOrientation="portrait" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.LoginActivity"
          android:label="@string/title_activity_login" android:screenOrientation="portrait"
          android:windowSoftInputMode="stateVisible|adjustPan" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.SignUpActivity"
          android:label="@string/title_activity_sign_up" android:screenOrientation="portrait"
          android:windowSoftInputMode="stateVisible|adjustPan" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.ContactUs"
          android:label="@string/title_activity_contact_us" android:screenOrientation="portrait"
          android:theme="@style/MyMaterialTheme1.Base"
          android:windowSoftInputMode="stateVisible|adjustPan" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.CareGiver"
          android:label="@string/title_activity_members_list" android:screenOrientation="portrait"
          android:windowSoftInputMode="stateVisible|adjustPan" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.Testimonials"
          android:label="@string/title_activity_testimonials"
          android:screenOrientation="portrait" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.AskAssistant"
          android:label="@string/title_activity_ask_assistant"
          android:screenOrientation="portrait" android:theme="@style/MyMaterialTheme1.Base"
          android:windowSoftInputMode="stateVisible|adjustPan" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.Newsroom"
          android:label="@string/title_activity_newsroom" android:screenOrientation="portrait" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.Resources"
          android:label="@string/title_activity_resources" android:screenOrientation="portrait" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.HomeCare"
          android:label="@string/title_activity_home_care" android:screenOrientation="portrait" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.Dash"
          android:label="@string/title_activity_new_dash" android:screenOrientation="portrait" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.CardActivity"
          android:screenOrientation="portrait" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.NewDash"
          android:screenOrientation="portrait" /&gt;
      &lt;activity android:name="com.solution.caring.caringsolutions.NewCard"
          android:screenOrientation="portrait" /&gt;
  &lt;/application&gt;
  </code></pre>
  
  <p></p>
  
  <p>Any help will be appriciated</p>