InstructionsActivity.java







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package com.ramesh.taskearnerexample;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;

public class InstructionsActivity extends AppCompatActivity {

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()){
            case android.R.id.home:
                onBackPressed();
        }
        return super.onOptionsItemSelected(item);
    }
}