Java tutorial
package auribises.com.visitorbook.Activites; import android.app.DatePickerDialog; import android.app.ProgressDialog; import android.app.TimePickerDialog; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Intent; import android.content.SharedPreferences; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.Uri; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.CompoundButton; import android.widget.DatePicker; import android.widget.EditText; import android.widget.RadioButton; import android.widget.Spinner; import android.widget.TimePicker; import android.widget.Toast; import com.android.volley.AuthFailureError; import com.android.volley.Request; import com.android.volley.RequestQueue; import com.android.volley.Response; import com.android.volley.VolleyError; import com.android.volley.toolbox.StringRequest; import com.android.volley.toolbox.Volley; import org.json.JSONObject; import java.util.Calendar; import java.util.HashMap; import java.util.Map; import auribises.com.visitorbook.Class.Visitorentry; import auribises.com.visitorbook.R; import auribises.com.visitorbook.Util; import butterknife.ButterKnife; import butterknife.InjectView; public class VisitorEntryActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener, View.OnClickListener { @InjectView(R.id.editTextName) EditText eTxtName; @InjectView(R.id.editTextPhone) EditText eTxtPhone; @InjectView(R.id.editTextEmail) EditText eTxtEmail; @InjectView(R.id.radioButtonMale) RadioButton rbMale; @InjectView(R.id.radioButtonFemale) RadioButton rbFemale; @InjectView(R.id.editTextAddress) EditText eTxtAddress; @InjectView(R.id.editTextPurpose) EditText eTxtPurpose; @InjectView(R.id.editTextDate) EditText eTxtDate; @InjectView(R.id.editTextTime) EditText eTxtTime; @InjectView(R.id.editTextTeacher) EditText eTxtTeacher; @InjectView(R.id.spinnerBranch) Spinner spBranch; ArrayAdapter<String> adapter; @InjectView(R.id.spinnerIDProof) Spinner spIDProof; ArrayAdapter<String> adapter1; @InjectView(R.id.editTextIDproofNumber) EditText eTxtIDProofNumber; @InjectView(R.id.spinnerVehicle) Spinner spVehicle; ArrayAdapter<String> adapter2; @InjectView(R.id.editTextVehicleNumber) EditText eTxtVehicleNumber; @InjectView(R.id.buttonSubmit) Button btnSubmit; Visitorentry visitorentry, rcvVisitorentry; ContentResolver resolver; boolean updateMode; RequestQueue requestQueue; ProgressDialog progressDialog; ConnectivityManager connectivityManager; NetworkInfo networkInfo; SharedPreferences preferences; SharedPreferences.Editor editor; DatePickerDialog datePickerDialog; DatePickerDialog.OnDateSetListener dateSetListener = new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker datePicker, int i, int i1, int i2) { eTxtDate.setText(i + "/" + (i1 + 1) + "/" + i2); } }; TimePickerDialog timePickerDialog; TimePickerDialog.OnTimeSetListener timeSetListener = new TimePickerDialog.OnTimeSetListener() { @Override public void onTimeSet(TimePicker timePicker, int i, int i1) { eTxtTime.setText(i + " : " + i1); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_visitor_entry); ButterKnife.inject(this); preferences = getSharedPreferences(Util.PREFS_NAME, MODE_PRIVATE); editor = preferences.edit(); progressDialog = new ProgressDialog(this); progressDialog.setMessage("Please Wait.."); progressDialog.setCancelable(false); visitorentry = new Visitorentry(); adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item); adapter.add("--Select Branch--"); adapter.add("Applied Sciences"); adapter.add("Civil Engineering"); adapter.add("Electrical Engineering"); adapter.add("Mechanical Engineering"); adapter.add("Electroncis & Communication Engineering"); adapter.add("Computer Science & Engineering"); adapter.add("Information Technology"); adapter.add("Production Engineering"); adapter.add("Business Administration"); adapter.add("Computer Applications"); ; spBranch.setAdapter(adapter); spBranch.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) { if (i != 0) { visitorentry.setBranch(adapter.getItem(i)); } } @Override public void onNothingSelected(AdapterView<?> adapterView) { } }); adapter1 = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item); adapter1.add("--Select IDProof--"); adapter1.add("Aadhar Card"); adapter1.add("License"); adapter1.add("PAN Card"); adapter1.add("Voter Card"); spIDProof.setAdapter(adapter1); spIDProof.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) { if (i != 0) { visitorentry.setIDProof(adapter1.getItem(i)); } } @Override public void onNothingSelected(AdapterView<?> adapterView) { } }); adapter2 = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item); adapter2.add("--Vehicle Type--"); adapter2.add("Car"); adapter2.add("Bike"); adapter2.add("Activa"); adapter2.add("Auto"); adapter2.add("Bus"); spVehicle.setAdapter(adapter2); spVehicle.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) { if (i != 0) { visitorentry.setVehicle(adapter2.getItem(i)); } } @Override public void onNothingSelected(AdapterView<?> adapterView) { } }); rbMale.setOnCheckedChangeListener(this); rbFemale.setOnCheckedChangeListener(this); resolver = getContentResolver(); requestQueue = Volley.newRequestQueue(this); Intent rcv = getIntent(); updateMode = rcv.hasExtra("keyVisitorentry"); if (updateMode) { rcvVisitorentry = (Visitorentry) rcv.getSerializableExtra("keyVisitorentry"); eTxtName.setText(rcvVisitorentry.getName()); eTxtPhone.setText(rcvVisitorentry.getPhone()); eTxtEmail.setText(rcvVisitorentry.getEmail()); eTxtAddress.setText(rcvVisitorentry.getAddress()); eTxtPurpose.setText(rcvVisitorentry.getPurpose()); eTxtDate.setText(rcvVisitorentry.getDate()); eTxtTime.setText(rcvVisitorentry.getTime()); eTxtTeacher.setText(rcvVisitorentry.getTeacher()); eTxtIDProofNumber.setText(rcvVisitorentry.getIDProofnumber()); eTxtVehicleNumber.setText(rcvVisitorentry.getVehiclenumber()); if (rcvVisitorentry.getGender().equals("Male")) { rbMale.setChecked(true); } else { rbFemale.setChecked(true); } Log.i("TEST", adapter + " - " + rcvVisitorentry.getBranch() + " - " + rcvVisitorentry.getIDProof() + " - " + rcvVisitorentry.getVehicle()); int p = 0; for (int i = 0; i < adapter.getCount(); i++) { if (adapter.getItem(i).equals(rcvVisitorentry.getBranch())) { Log.i("TEST1", adapter.getItem(i) + " - " + rcvVisitorentry.getBranch()); p = i; break; } } spBranch.setSelection(p); int q = 0; for (int i = 0; i < adapter1.getCount(); i++) { if (adapter1.getItem(i).equals(rcvVisitorentry.getIDProof())) { Log.i("TEST2", adapter1.getItem(i) + " - " + rcvVisitorentry.getIDProof()); q = i; break; } } spIDProof.setSelection(q); int r = 0; for (int i = 0; i < adapter2.getCount(); i++) { if (adapter2.getItem(i).equals(rcvVisitorentry.getVehicle())) { Log.i("TEST3", adapter2.getItem(i) + " - " + rcvVisitorentry.getVehicle()); r = i; break; } } spVehicle.setSelection(r); btnSubmit.setText("Update"); } } boolean isNetworkConected() { connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE); networkInfo = connectivityManager.getActiveNetworkInfo(); Log.i("test", visitorentry.toString()); return (networkInfo != null && networkInfo.isConnected()); } public void onclickhandler(View view) { if (view.getId() == R.id.buttonSubmit) { btnSubmit.setOnClickListener(this); visitorentry.setName(eTxtName.getText().toString().trim()); visitorentry.setPhone(eTxtPhone.getText().toString().trim()); visitorentry.setEmail(eTxtEmail.getText().toString().trim()); visitorentry.setAddress(eTxtAddress.getText().toString().trim()); visitorentry.setPurpose(eTxtPurpose.getText().toString().trim()); visitorentry.setDate(eTxtDate.getText().toString().trim()); visitorentry.setTime(eTxtTime.getText().toString().trim()); visitorentry.setTeacher(eTxtTeacher.getText().toString().trim()); visitorentry.setIDProofnumber(eTxtIDProofNumber.getText().toString().trim()); visitorentry.setVehiclenumber(eTxtVehicleNumber.getText().toString().trim()); //insertIntoDB(); if (validateFields()) { if (isNetworkConected()) insertIntoCloud(); } else Toast.makeText(this, "Please connect to Internet", Toast.LENGTH_LONG).show(); } else { Toast.makeText(this, "Please correct Input", Toast.LENGTH_LONG).show(); } } void insertIntoCloud() { String url = ""; if (!updateMode) { url = Util.INSERT_VISITORENTRY_PHP; } else { url = Util.UPDATE_VISITORENTRY_PHP; } progressDialog.show(); StringRequest request = new StringRequest(Request.Method.POST, url, new Response.Listener<String>() { @Override public void onResponse(String response) { Log.i("test", response.toString()); try { JSONObject jsonObject = new JSONObject(response); int success = jsonObject.getInt("success"); String message = jsonObject.getString("message"); if (success == 1) { Toast.makeText(VisitorEntryActivity.this, message, Toast.LENGTH_LONG).show(); // if (!updateMode) { editor.putString(Util.KEY_NAME, visitorentry.getName()); editor.putString(Util.KEY_PHONE, visitorentry.getPhone()); editor.putString(Util.KEY_EMAIL, visitorentry.getEmail()); editor.putString(Util.KEY_ADDRESS, visitorentry.getAddress()); editor.putString(Util.KEY_PURPOSE, visitorentry.getPurpose()); editor.putString(Util.KEY_DATE, visitorentry.getDate()); editor.putString(Util.KEY_TIME, visitorentry.getTime()); editor.putString(Util.KEY_TEACHER, visitorentry.getTeacher()); editor.putString(Util.KEY_BRANCH, visitorentry.getBranch()); editor.putString(Util.KEY_IDPROOF, visitorentry.getIDProof()); editor.putString(Util.KEY_IDPROOFNUMBER, visitorentry.getIDProofnumber()); editor.putString(Util.KEY_VEHICLE, visitorentry.getVehicle()); editor.putString(Util.KEY_VEHICLENUMBER, visitorentry.getVehiclenumber()); editor.commit(); // Intent home = new Intent(VisitorEntryActivity.this,VisitorEntryActivity.class); // startActivity(home); // finish(); } if (updateMode) finish(); } else { Toast.makeText(VisitorEntryActivity.this, message, Toast.LENGTH_LONG).show(); } progressDialog.dismiss(); } catch (Exception e) { e.printStackTrace(); progressDialog.dismiss(); Toast.makeText(VisitorEntryActivity.this, "Some Exception", Toast.LENGTH_LONG).show(); } } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { progressDialog.dismiss(); Toast.makeText(VisitorEntryActivity.this, "Some Error" + error.getMessage(), Toast.LENGTH_LONG) .show(); } }) { @Override protected Map<String, String> getParams() throws AuthFailureError { Map<String, String> map = new HashMap<>(); Log.i("test", visitorentry.toString()); if (updateMode) map.put("id", String.valueOf(rcvVisitorentry.getId())); map.put("name", visitorentry.getName()); map.put("phone", visitorentry.getPhone()); map.put("email", visitorentry.getEmail()); map.put("gender", visitorentry.getGender()); map.put("address", visitorentry.getAddress()); map.put("purpose", visitorentry.getPurpose()); map.put("date", visitorentry.getDate()); map.put("time", visitorentry.getTime()); map.put("teacher", visitorentry.getTeacher()); map.put("branch", visitorentry.getBranch()); map.put("idproof", visitorentry.getIDProof()); map.put("idproofnumber", visitorentry.getIDProofnumber()); map.put("vehicle", visitorentry.getVehicle()); map.put("vehiclenumber", visitorentry.getVehiclenumber()); return map; } }; requestQueue.add(request); // execute the request, send it ti server clearFields(); } @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { int id = compoundButton.getId(); if (b) { if (id == R.id.radioButtonMale) { visitorentry.setGender("Male"); } else { visitorentry.setGender("Female"); } } } void insertIntoDB() { ContentValues values = new ContentValues(); values.put(Util.COL_NAMEVISITOR, visitorentry.getName()); values.put(Util.COL_PHONEVISITOR, visitorentry.getPhone()); values.put(Util.COL_EMAILVISITOR, visitorentry.getEmail()); values.put(Util.COL_GENDERVISITOR, visitorentry.getGender()); values.put(Util.COL_ADDRESSVISITOR, visitorentry.getAddress()); values.put(Util.COL_PURPOSEVISITOR, visitorentry.getPurpose()); values.put(Util.COL_DATEVISITOR, visitorentry.getDate()); values.put(Util.COL_TIMEVISITOR, visitorentry.getTime()); values.put(Util.COL_TEACHERVISITOR, visitorentry.getTeacher()); values.put(Util.COL_BRANCHVISITOR, visitorentry.getBranch()); values.put(Util.COL_IDPROOFVISITOR, visitorentry.getIDProof()); values.put(Util.COL_IDPROOFNUBERVISITOR, visitorentry.getIDProofnumber()); values.put(Util.COL_VEHICLEVISITOR, visitorentry.getVehicle()); values.put(Util.COL_VEHICLENUMBERVISITOR, visitorentry.getVehiclenumber()); if (!updateMode) { Uri dummy = resolver.insert(Util.VISITORENTRY_URI, values); Toast.makeText(this, visitorentry.getName() + " Registered Successfully " + dummy.getLastPathSegment(), Toast.LENGTH_LONG).show(); Log.i("insertintocloud", visitorentry.toString()); clearFields(); } else { String where = Util.COL_IDVISITOR + " = " + rcvVisitorentry.getId(); int i = resolver.update(Util.VISITORENTRY_URI, values, where, null); if (i > 0) { Toast.makeText(this, "Updation Successful", Toast.LENGTH_LONG).show(); finish(); } } } void clearFields() { eTxtName.setText(""); eTxtEmail.setText(""); eTxtPhone.setText(""); rbMale.setChecked(false); rbFemale.setChecked(false); eTxtAddress.setText(""); eTxtPurpose.setText(""); eTxtDate.setText(""); eTxtTime.setText(""); eTxtTeacher.setText(""); spBranch.setSelection(0); spIDProof.setSelection(0); eTxtIDProofNumber.setText(""); spVehicle.setSelection(0); eTxtVehicleNumber.setText(""); } @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add(0, 101, 0, "All Visitors"); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); if (id == 101) { Log.i("test", "---0"); Intent i = new Intent(VisitorEntryActivity.this, AllVisitorentryActivity.class); startActivityForResult(i, 301); } return super.onOptionsItemSelected(item); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); Log.i("test", "----2"); if (requestCode == 301 && resultCode == 302) { Log.i("test", "----1"); finish(); } } boolean validateFields() { boolean flag = true; if (visitorentry.getName().isEmpty()) { flag = false; eTxtName.setError("Please Enter Name"); } if (visitorentry.getPhone().isEmpty()) { flag = false; eTxtPhone.setError("Please Enter Phone"); } else { if (visitorentry.getPhone().length() < 10) { flag = false; eTxtPhone.setError("Please Enter 10 digits Phone Number"); } } if (visitorentry.getEmail().isEmpty()) { flag = false; eTxtEmail.setError("Please Enter Email"); } else { if (!(visitorentry.getEmail().contains("@") && visitorentry.getEmail().contains("."))) { flag = false; eTxtEmail.setError("Please Enter correct Email"); } } if (visitorentry.getAddress().isEmpty()) { flag = false; eTxtAddress.setError("Please Enter Address"); } if (visitorentry.getPurpose().isEmpty()) { flag = false; eTxtPurpose.setError("Please Enter Purpose"); } if (visitorentry.getDate().isEmpty()) { flag = false; eTxtDate.setError("Please Enter Date"); } if (visitorentry.getTime().isEmpty()) { flag = false; eTxtTime.setError("Please Enter Time"); } if (visitorentry.getName().isEmpty()) { flag = false; eTxtTeacher.setError("Please Enter Teacher name"); } if (visitorentry.getName().isEmpty()) { flag = false; eTxtIDProofNumber.setError("Please Enter IDProofNumber"); } if (visitorentry.getName().isEmpty()) { flag = false; eTxtVehicleNumber.setError("Please Enter VehicleNumber"); } return flag; } @Override public void onClick(View v) { } public void showDatePicker(View view) { Calendar calendar = Calendar.getInstance(); int dd = calendar.get(Calendar.DAY_OF_MONTH); int mm = calendar.get(Calendar.MONTH); int yy = calendar.get(Calendar.YEAR); datePickerDialog = new DatePickerDialog(this, dateSetListener, yy, mm, dd); datePickerDialog.show(); } public void showTimePicker(View view) { Calendar calendar = Calendar.getInstance(); int hh = calendar.get(Calendar.HOUR_OF_DAY); int mm = calendar.get(Calendar.MINUTE); timePickerDialog = new TimePickerDialog(this, timeSetListener, hh, mm, true); timePickerDialog.show(); } }