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   | public class MainActivity extends AppCompatActivity {
    String JSON_STRING;
    String json_string;
    String json_Parsing;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        new BackgroundTask().execute();
        TextView textView = (TextView) findViewById(R.id.textView2);
 
 
        textView.setText(json_Parsing2);
 
 
    }
   public void getJSON(View view) {
 
        new BackgroundTask().execute();
   }
 
    public class BackgroundTask extends AsyncTask<Void, Void, String> {
        String json_url;
        String json_Parsing2=null;
        @Override
        protected void onPreExecute() {
            json_url = "http://192.168.0.16/projet/php/fichier.php";
        }
        @Override
        protected String doInBackground(Void... params) {
 
            try {
                URL url = new URL(json_url);
                HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
                InputStream inputStream = httpURLConnection.getInputStream();
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
                StringBuilder stringBuilder = new StringBuilder();
                while ((JSON_STRING = bufferedReader.readLine()) != null) {
                    stringBuilder.append(JSON_STRING + "\n");
                }
 
                bufferedReader.close();
                inputStream.close();
 
                httpURLConnection.disconnect();
                json_Parsing2=stringBuilder.toString();
 
                return stringBuilder.toString();
 
            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return json_Parsing2;
 
 
        }
 
        @Override
        protected void onProgressUpdate(Void... values) {
            super.onProgressUpdate(values);
 
        }
 
        @Override
        protected void onPostExecute(String result) {
            //TextView textView = (TextView) findViewById(R.id.textView2);
            //textView.setText(result);
            json_Parsing=result;
 
        }
 
    }
 
 
 
 
   /* public void parseJSON(View view) {
        if(json_string==null)
        {
            Toast.makeText(getApplicationContext(),"First get json",Toast.LENGTH_LONG).show();
 
 
        }
 
        else {
 
            Intent intent=new Intent(this,MainActivity.class);
            intent.putExtra("json_data",json_string);
            startActivity(intent);
        }
        }*/
    /*public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
 
 
 
            case R.id.warning:
                Intent intent = new Intent(MainActivity.this, popUp.class);
                startActivity(intent);
                return true;
            case R.id.localiser:
 
 
                return true;
 
            case R.id.station:
                return true;
        }
 
        return super.onOptionsItemSelected(item);
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        //ajoute les entrées de menu_test à l'ActionBar
        getMenuInflater().inflate(R.menu.menu, menu);
        return true;
    }*/
 
    } | 
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