CODEWITHSUNDEEP
javaandroid
Matt Kime
Matt Kime

Reputation: 73

Android Studio cannot resolve symbols "container" and "PlaceHolderFragment"

I have been unable to get Android Studio to recognize two symbols. "container" and "PlaceHolderFragment". This is the piece

   protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    if (savedInstanceState == null) {
        getFragmentManager().beginTransaction()
                .add(R.id.container, new PlaceHolderFragment())
                .commit();
    }

The dependencies in my XML file read

dependencies {
 compile fileTree(dir: 'libs', include: ['*.jar'])
 compile 'com.android.support:appcompat-v7:23.0.1'
 compile 'com.google.android.gms:play-services:7.8.0'

and I have made sure Google Play Services rev 26, Google Repository rev 21, Android Support Repository rev 20, and Android Support Library rev 23.0.1 are all installed as SDK tools. I have also tried invalidating caches and restarting.

Thank you for your help,

Matt

Upvotes: 0

Views: 870

Answers (1)

Aakash
Aakash

Reputation: 5261

You will have to create PlaceHolderFragment class in your project which will extend Fragment class. Also container in the R.id.container is the id of the container in which fragment is present. So you need to define that accordingly in xml.

Upvotes: 1

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