CODEWITHSUNDEEP
javaandroidapirest
Nana
Nana

Reputation: 33

cannot find symbol method getcontext

I am new to android/java programming and I am having an issue with getting an error saying that the symbol getContext cannot be resolved. That system is start with Activity there are two fragment. The one is button for show Rest Api. Please help

InstansiActivity.java:

package com.example.instansi;


import androidx.appcompat.app.AppCompatActivity;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.os.Bundle;


import com.example.instansi.adapter.InstansiAdapter;
import com.example.instansi.model.DaftarInstansiItem;

import java.util.ArrayList;

public class InstansiActivity extends AppCompatActivity {
    private InstansiAdapter instansiAdapter;
    private RecyclerView rvInstansi;
    private com.example.instansi.viewmodel.InstansiViewModel instansiViewModel;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_instansi);

        instansiAdapter= new InstansiAdapter(getContext());
        instansiAdapter.notifyDataSetChanged();

        rvInstansi= view.findViewById(R.id.finstansi_rv);
        rvInstansi.setLayoutManager(new GridLayoutManager(getContext(),1));

        instansiViewModel= new ViewModelProvider(this).get(com.example.instansi.viewmodel.InstansiViewModel.class);
        instansiViewModel.setInstansi();
        instansiViewModel.getInstansi().observe(this, getInstansi_);

        rvInstansi.setAdapter(instansiAdapter);
    }


    private Observer<ArrayList<DaftarInstansiItem>> getInstansi_ = new Observer<ArrayList<DaftarInstansiItem>>() {
        @Override
        public void onChanged(ArrayList<DaftarInstansiItem> daftarInstansiItems) {
            if (daftarInstansiItems != null) {
                instansiAdapter.setData(daftarInstansiItems);
            }
        }
    };
}

Upvotes: 0

Views: 2664

Answers (2)

milad salimi
milad salimi

Reputation: 1660

Easy way to get the activity context is putting this.

In your activity for getting activity context use this and for getting applicationContext() use getApplicationContext()

And the most difference between activity context and application context is : Application context is tied to the lifecycle of the application, while the Activity context is tied to the lifecycle of an Activity.

Upvotes: 1

codebod
codebod

Reputation: 684

An Activity is a sub-class of Context, so from within an Activity you should just use this where the current context is required.

Upvotes: 0

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