java - error: package android.support.v7.app does not exist import android.support.v7.app.ActionBarActivity;

Question

package com.example.android.justjava;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.widget.TextView;

1. throws error

   /**

   • This app displays an order form to order coffee. */ public class MainActivity extends ActionBarActivity {

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

     /**

     • This method is called when the order button is clicked. */ public void submitOrder(View view) { display(1); }

     /**

     • This method displays the given quantity value on the screen. */ private void display(int number) { TextView quantityTextView = (TextView) findViewById(R.id.quantity_text_view); quantityTextView.setText("" + number); } }

question from:https://stackoverflow.com/questions/65640852/error-package-android-support-v7-app-does-not-exist-import-android-support-v7-a

Answer 1

Waitting for answers