Java tutorial
package com.general.vvvv.cmr; import android.app.Activity; import android.app.ProgressDialog; import android.content.ComponentName; import android.content.ContentValues; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.os.AsyncTask; import android.os.Bundle; import android.provider.Settings; import android.support.v4.content.IntentCompat; import android.telephony.TelephonyManager; import android.util.Log; import android.widget.Toast; import com.general.SQLite.DbLogin; import com.remote_connection.InternetConnectivity; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpParams; import org.apache.http.util.EntityUtils; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.io.IOException; /** * Created by comp on 17/09/2014. */ public class MySplash extends Activity { DbLogin dbLogin; SQLiteDatabase db_read, db_write; ProgressDialog progressDialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_splash); dbLogin = new DbLogin(MySplash.this, DbLogin.DB_NAME, null, DbLogin.DB_VERSION); db_read = dbLogin.getReadableDatabase(); db_write = dbLogin.getWritableDatabase(); String identifier = null; TelephonyManager tm = (TelephonyManager) this.getSystemService(this.TELEPHONY_SERVICE); if (tm != null) { identifier = tm.getDeviceId(); } if (identifier == null || identifier.length() == 0) { identifier = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID); } Toast.makeText(MySplash.this, "Your IMEI no:" + identifier, Toast.LENGTH_LONG).show(); System.out.println("IMEI no:" + identifier); Log.d("IMEI or Android id:", identifier); Cursor cursor = dbLogin.getData(db_read); if (cursor.getCount() > 0) { Intent intent = new Intent(MySplash.this, MyLogin.class); startActivity(intent); } else { Toast.makeText(MySplash.this, "Login database is empty", Toast.LENGTH_SHORT).show(); if (identifier != null) { new AsynchLogin().execute(identifier); } else { Toast.makeText(MySplash.this, "Unable to find your IMEI no.", Toast.LENGTH_LONG).show(); } } } @Override protected void onStop() { super.onStop(); } @Override protected void onDestroy() { super.onDestroy(); db_write.close(); db_read.close(); } class AsynchLogin extends AsyncTask<String, Void, Boolean> { String response1 = null; @Override protected void onPreExecute() { super.onPreExecute(); progressDialog = new ProgressDialog(MySplash.this); progressDialog.setMessage("On Resume..."); progressDialog.setCancelable(true); progressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { cancel(false); } }); progressDialog.show(); } @Override protected Boolean doInBackground(String... params) { boolean result = false; //String url="http://117.239.214.2:8087/WSDemo1/resttest/invoke/getlogindetail/"+params[0]; // String url="http://10.0.2.2:8080/WSDemo1/resttest/invoke/getlogindetail/"+params[0]; //String url="http://117.239.214.4:8087/WSDemo1/resttest/invoke/getlogindetail/"+params[0]; InternetConnectivity internetConnectivity = new InternetConnectivity(); boolean b = internetConnectivity.checkInternetConnection(MySplash.this); if (b) { String url = "http://10.0.2.2:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; /// String url = "http://1.22.91.107:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; // String url = "http://192.168.0.111:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; //String url = "http://192.168.100.57:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; //String url = "http://192.168.1.14:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; ///String url = "http://192.168.0.102:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; // String url = "http://192.168.1.2:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; //String url = "http://192.168.0.100:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; // String url = "http://192.168.0.100:8081/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; // String url = "http://192.168.43.80:8080/WSDemo1/resttest/invoke/getlogindetail/" + params[0]; HttpGet httpGet = new HttpGet(url); HttpParams httpParams = new BasicHttpParams(); DefaultHttpClient defaultHttpClient = new DefaultHttpClient(httpParams); HttpResponse httpResponse = null; HttpEntity httpEntity = null; try { httpResponse = defaultHttpClient.execute(httpGet); httpEntity = httpResponse.getEntity(); } catch (IOException e) { e.printStackTrace(); } //HttpEntity httpEntity=httpResponse.getEntity(); //String jsonString; try { response1 = EntityUtils.toString(httpEntity); //String jsonString=response1; Log.d("Response:", "....:::::" + response1); } catch (IOException e) { e.printStackTrace(); } if (response1 != null) { try { JSONObject jsonObject = new JSONObject(response1); JSONArray jsonArray = new JSONArray(); jsonArray = jsonObject.getJSONArray("Login_data"); if (jsonArray.length() > 0) { System.out.println("jsonarray for Login data is available."); int user_id = 0; String license_no = null; String imei = null; for (int i = 0; i < jsonArray.length(); i++) { JSONObject jsonObject1 = jsonArray.getJSONObject(i); user_id = jsonObject1.getInt("USER_ID"); license_no = jsonObject1.getString("LICENSE_NO"); imei = jsonObject1.getString("IMEI_NO"); } if (user_id != 0 & license_no != null) { System.out.println("Going to save Login data in database."); ContentValues contentValues = new ContentValues(); contentValues.put(DbLogin.USER_ID, user_id); contentValues.put(DbLogin.LICENSE_NO, license_no); contentValues.put(DbLogin.IMEI, imei); result = dbLogin.insertData(contentValues, db_write); } } else { System.out.println("IMEI is not authentic."); } } catch (JSONException e) { e.printStackTrace(); } } else { result = false; } } return result; } @Override protected void onPostExecute(Boolean aBoolean) { super.onPostExecute(aBoolean); if (aBoolean) { progressDialog.dismiss(); Intent intent = new Intent(MySplash.this, MyLogin.class); ComponentName cn = intent.getComponent(); Intent intent1 = IntentCompat.makeRestartActivityTask(cn); startActivity(intent1); //startActivity(intent); } else { progressDialog.dismiss(); Toast.makeText(MySplash.this, "Sorry..." + "\n" + "Internet Connection or IMEI verificaion might be the problem !", Toast.LENGTH_LONG).show(); onStop(); } } @Override protected void onCancelled() { super.onCancelled(); if (progressDialog != null) { progressDialog.dismiss(); } } } }