amirhoseinhy

public class MainActivity extends AppCompatActivity {

    Calendar calendar1, calendar2;
    Button add, show, from, to, internet;
    DatabaseHelper databaseHelper = null;
    private int mYear, mMonth, mDay;
    TextView txt1, txt2;
    Date date1=null, date2=null ;
    NetworkStatsHelper networkStatsHelper;
    NetworkStatsManager networkStatsManager;

amirhoseinhy

import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.usage.NetworkStats;
import android.app.usage.NetworkStatsManager;
import android.content.Context;
import android.net.ConnectivityManager;
import android.os.Build;
import android.os.RemoteException;
import android.telephony.TelephonyManager;

amirhoseinhy

import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends ListActivity implements AdapterView.OnItemClickListener {

amirhoseinhy

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.PopupWindow;
import android.widget.RelativeLayout;

public class MainActivity extends AppCompatActivity {

amirhoseinhy

import android.app.ProgressDialog;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ImageView;
import java.io.IOException;
import java.io.InputStream;

amirhoseinhy

import android.content.Intent;
import android.graphics.Bitmap;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity {

amirhoseinhy

public class MainActivity extends AppCompatActivity {
public static final String JSON="{\"person\" : {\"name\": \"Amir\"}}";
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        TextView txt = findViewById(R.id.txt);
        try {
            JSONObject jo = new JSONObject(JSON).getJSONObject("person");
            String person = jo.getString("name");