title: Cannot resolve symbol "FragmentActivity"
body: <p>I have an issue with FragmentActivity class
  when i import the package :</p>
  
  <pre><code>import android.support.v4.app.FragmentActivity;
  </code></pre>
  
  <p>when i put it in the code import FragmentActivity be red and Android dtudio says Cannot resolve symbol i have tried all the solution in prev. similar topics on stackoverflow and other websites but the error is still in the code 
  <a href="https://i.stack.imgur.com/Yoqe8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Yoqe8.png" alt="enter image description here"></a></p>
  
  <p>i updated support-v4 and gradle version and my sdk is up to date
  thanks and goodbye :D</p>
  
  <p>android gradle:</p>
  
  <pre><code>configurations {
      all*.exclude group: 'com.android.support', module: 'support-v4'
  }
  android {
      signingConfigs {
          CirclePong {
              keyAlias 'madtriangle'
              keyPassword 'piratamenu94'
              storeFile file('/Users/ManuGil/Documents/LibGDX/apk/CirclePong/circlepong.jks')
              storePassword 'piratamenu94'
          }
  
      }
      buildToolsVersion "21.1.2"
      compileSdkVersion 25
      sourceSets {
          main {
              manifest.srcFile 'AndroidManifest.xml'
              java.srcDirs = ['src']
              aidl.srcDirs = ['src']
              renderscript.srcDirs = ['src']
              res.srcDirs = ['res']
              jniLibs.srcDir new File(buildDir, 'lib')
              assets.srcDirs = ['assets']
          }
  
          instrumentTest.setRoot('tests')
      }
      defaultConfig {
          minSdkVersion 14
      }
      productFlavors {
      }
  }
  /*
  // needed to add JNI shared libraries to APK when compiling on CLI
  tasks.withType(com.android.build.gradle.tasks.PackageApplication) { pkgTask -&gt;
      pkgTask.jniFolders = new HashSet&lt;File&gt;()
      pkgTask.jniFolders.add(new File(projectDir, 'libs'))
  }
  */
  // called every time gradle gets executed, takes the native dependencies of
  // the natives configuration, and extracts them to the proper libs/ folders
  // so they get packed with the APK.
  task copyAndroidNatives() {
      file("libs/armeabi/").mkdirs();
      file("libs/armeabi-v7a/").mkdirs();
      file("libs/x86/").mkdirs();
  
      configurations.natives.files.each { jar -&gt;
          def outputDir = null
          if (jar.name.endsWith("natives-armeabi-v7a.jar")) outputDir = file("libs/armeabi-v7a")
          if (jar.name.endsWith("natives-armeabi.jar")) outputDir = file("libs/armeabi")
          if (jar.name.endsWith("natives-x86.jar")) outputDir = file("libs/x86")
          if (outputDir != null) {
              copy {
                  from zipTree(jar)
                  into outputDir
                  include "*.so"
              }
          }
      }
  }
  task run(type: Exec) {
      def path
      def localProperties = project.file("../local.properties")
      if (localProperties.exists()) {
          Properties properties = new Properties()
          localProperties.withInputStream { instr -&gt;
              properties.load(instr)
          }
          def sdkDir = properties.getProperty('sdk.dir')
          if (sdkDir) {
              path = sdkDir
          } else {
              path = "$System.env.ANDROID_HOME"
          }
      } else {
          path = "$System.env.ANDROID_HOME"
      }
  
      def adb = path + "/platform-tools/adb"
      commandLine "$adb", 'shell', 'am', 'start', '-n', 'circlepong.android/com.madtriangle.circlepong.AndroidLauncher'
  }
  // sets up the Android Eclipse project, using the old Ant based build.
  eclipse {
      // need to specify Java source sets explicitely, SpringSource Gradle Eclipse plugin
      // ignores any nodes added in classpath.file.withXml
      sourceSets {
          main {
              java.srcDirs "src", 'gen'
          }
      }
  
      jdt {
          sourceCompatibility = 1.6
          targetCompatibility = 1.6
      }
  
      classpath {
          plusConfigurations += [project.configurations.compile]
          containers 'com.android.ide.eclipse.adt.ANDROID_FRAMEWORK', 'com.android.ide.eclipse.adt.LIBRARIES'
      }
  
      project {
          name = appName + "-android"
          natures 'com.android.ide.eclipse.adt.AndroidNature'
          buildCommands.clear();
          buildCommand "com.android.ide.eclipse.adt.ResourceManagerBuilder"
          buildCommand "com.android.ide.eclipse.adt.PreCompilerBuilder"
          buildCommand "org.eclipse.jdt.core.javabuilder"
          buildCommand "com.android.ide.eclipse.adt.ApkBuilder"
      }
  }
  // sets up the Android Idea project, using the old Ant based build.
  idea {
      module {
          sourceDirs += file("src");
          scopes = [COMPILE: [plus: [project.configurations.compile]]]
  
          iml {
              withXml {
                  def node = it.asNode()
                  def builder = NodeBuilder.newInstance();
                  builder.current = node;
                  builder.component(name: "FacetManager") {
                      facet(type: "android", name: "Android") {
                          configuration {
                              option(name: "UPDATE_PROPERTY_FILES", value: "true")
                          }
                      }
                  }
              }
          }
      }
  }
  dependencies {
      compile 'com.android.support:appcompat-v7:25.1.1'
  }
  </code></pre>
  
  <p>Basegameutile gradle:</p>
  
  <pre><code>apply plugin: 'android-library'
  configurations {
      all*.exclude group: 'com.android.support', module: 'support-v4'
  }
  repositories {
      mavenCentral()
  }
  
  buildscript {
      repositories {
          mavenCentral()
      }
  
      dependencies {
          classpath 'com.android.tools.build:gradle:2.2.3'
      }
  }
  
  dependencies {
      compile 'com.android.support:appcompat-v7:25.1.1'
      compile 'com.android.support:support-v4:25.1.1'
      compile 'com.google.android.gms:play-services:10.2.0'
  }
  
  android {
      compileSdkVersion 25
      buildToolsVersion '25.0.2'
          }
  </code></pre>