title: Android: Error Atrribute has already been defined
body: <p>I am a new user, and I have a problem errors here. is there that can help me how to fix it's?
  my messages gradle build</p>
  
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  <pre class="snippet-code-html lang-html prettyprint-override"><code>   
  Error:(2) Attribute "navigationMode" has already been defined
  Error:(2) Attribute "displayOptions" has already been defined
  Error:(2) Attribute "subtitle" has already been defined
  Error:(2) Attribute "titleTextStyle" has already been defined
  Error:(2) Attribute "subtitleTextStyle" has already been defined
  Error:(2) Attribute "icon" has already been defined
  Error:(2) Attribute "logo" has already been defined
  Error:(2) Attribute "divider" has already been defined
  
  &gt; com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Users\MRX\AppData\Local\Android\Sdk\build-tools\19.1.0\aapt.exe'' finished with non-zero exit value 1</code></pre>
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  <p>my build gradle</p>
  
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  <pre class="snippet-code-js lang-js prettyprint-override"><code>apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 19
      buildToolsVersion "19.1.0"
  
      defaultConfig {
          applicationId "net.matrix_center.cloningapp"
          minSdkVersion 14
          targetSdkVersion 19
          versionCode 1
          versionName "1.0"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      compile 'com.android.support:appcompat-v7:19.0.0'
  }</code></pre>
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