Java tutorial
/* ************************************************************************ * RemoteDomo is an Android native application to remotely control domotics systems * Copyright 2014 Gerard Torrents Vinaixa * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <www.gnu.org/licenses/>. * ************************************************************************/ package com.remdo.app; import java.util.ArrayList; import java.util.List; import remdo.sqlite.helper.DatabaseHelper; import remdo.sqlite.model.Device; import com.remdo.app.R; import com.remdo.app.R.id; import com.remdo.app.R.layout; import com.remdo.app.R.menu; import com.remdo.app.R.string; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.content.Intent; import android.text.TextUtils; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; import android.os.Bundle; import android.support.v4.app.DialogFragment; import android.support.v4.app.FragmentActivity; import android.webkit.URLUtil; public class EditDeviceActivity extends FragmentActivity implements OnItemSelectedListener, OnClickListener { private DatabaseHelper dh; private String mDeviceName; private String mHost; private String mUser; private String mPassword; private int location; private int deviceType; //Referencias UI private EditText mDeviceNameView; private EditText mHostView; private EditText mUserView; private EditText mPasswordView; private TextView mLoginStatusMessageView; private DialogFragment dialog; Device currentDevice; boolean EditMode = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_edit_device); this.dh = new DatabaseHelper(this); Intent intent = getIntent(); Long deviceId = intent.getLongExtra("DEVICE_ID", -1); mDeviceNameView = (EditText) findViewById(R.id.edit_devicename); mHostView = (EditText) findViewById(R.id.edit_host); mUserView = (EditText) findViewById(R.id.edit_user); mPasswordView = (EditText) findViewById(R.id.edit_password); Button save = (Button) findViewById(R.id.button_accept); save.setOnClickListener(this); if (deviceId == -1) { EditMode = false; save.setText(R.string.save); } else { currentDevice = dh.getDevicebyID(deviceId); mDeviceNameView.setText(currentDevice.name, TextView.BufferType.EDITABLE); mHostView.setText(currentDevice.url, TextView.BufferType.EDITABLE); mUserView.setText(currentDevice.usr, TextView.BufferType.EDITABLE); mPasswordView.setText(currentDevice.pwd, TextView.BufferType.EDITABLE); EditMode = true; save.setText(R.string.edit); } setsnniper(); } private void setsnniper() { Spinner spinner = (Spinner) findViewById(R.id.spinner); // Spinner click listener spinner.setOnItemSelectedListener((OnItemSelectedListener) this); // Spinner Drop down elements List<String> categories = new ArrayList<String>(); if (dh.ODNetworkExists()) { if (EditMode == true) { if (currentDevice.odType == 1) { categories.add("ODNetwork"); categories.add("ODControl"); } else { categories.add("ODControl"); } } else { categories.add("ODControl"); } } else { if (EditMode == true) { categories.add("ODControl"); categories.add("ODNetwork"); } else { categories.add("ODNetwork"); categories.add("ODControl"); } } // Creating adapter for spinner ArrayAdapter<String> odTypesAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, categories); // Drop down layout style - list view with radio button odTypesAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); // attaching data adapter to spinner spinner.setAdapter(odTypesAdapter); //odTypesAdapter.setDropDownViewResource(currentDevice.odType); } public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { // On selecting a spinner item String item = parent.getItemAtPosition(position).toString(); deviceType = dh.getODDeviceType(item).id; } public void onClick(View v) { if (checkFields()) { switch (v.getId()) { case R.id.button_accept: View editText1 = (EditText) findViewById(R.id.edit_devicename); View editText2 = (EditText) findViewById(R.id.edit_host); View editText3 = (EditText) findViewById(R.id.edit_user); View editText4 = (EditText) findViewById(R.id.edit_password); String myEditText1 = ((TextView) editText1).getText().toString(); String myEditText2 = ((TextView) editText2).getText().toString(); String myEditText3 = ((TextView) editText3).getText().toString(); String myEditText4 = ((TextView) editText4).getText().toString(); if (currentDevice == null) currentDevice = new Device(); currentDevice.name = myEditText1; currentDevice.url = myEditText2; currentDevice.usr = myEditText3; currentDevice.pwd = myEditText4; currentDevice.location = location; currentDevice.odType = deviceType; try { if (EditMode == false) { this.dh.createDevice(currentDevice); } else { int result = this.dh.updateDevice(currentDevice); } } catch (Exception ex) { String msg = ex.getMessage(); } break; } if (EditMode == false) { DialogFragment newdialog = new AddNewDeviceFragment(); newdialog.show(getSupportFragmentManager(), "newdevice"); } else { Intent intent = new Intent(this, MainActivity.class); startActivity(intent); } } } public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.edit_device, menu); return true; } /** * Check if fields match defined rules and if deviceName or url already exist * @return */ public boolean checkFields() { mDeviceName = mDeviceNameView.getText().toString(); mHost = mHostView.getText().toString(); mUser = mUserView.getText().toString(); mPassword = mPasswordView.getText().toString(); boolean cancel = false; View focusView = null; // check device name field if (TextUtils.isEmpty(mDeviceName)) { mDeviceNameView.setError(getString(R.string.error_required_field)); focusView = mDeviceNameView; cancel = true; } if (EditMode == false && dh.DeviceExists(mDeviceName, "name")) { mHostView.setError(getString(R.string.error_existing_device)); if (!cancel) { focusView = mDeviceNameView; cancel = true; } } // check server field if (TextUtils.isEmpty(mHost)) { mHostView.setError(getString(R.string.error_required_field)); if (!cancel) { focusView = mHostView; cancel = true; } } if (!URLUtil.isValidUrl(mHost)) { mHostView.setError(getString(R.string.error_invalid_url)); focusView = mHostView; cancel = true; } if (EditMode == false && dh.DeviceExists(mHost, "url")) { mHostView.setError(getString(R.string.error_existing_device)); if (!cancel) { focusView = mHostView; cancel = true; } } // check user field if (TextUtils.isEmpty(mUser)) { mUserView.setError(getString(R.string.error_required_field)); if (!cancel) { focusView = mUserView; cancel = true; } } // check password field if (TextUtils.isEmpty(mPassword)) { mPasswordView.setError(getString(R.string.error_required_field)); if (!cancel) { focusView = mPasswordView; cancel = true; } } if (cancel) { // on error do not save the device focusView.requestFocus(); return false; } else { return true; } } public void onUserSelectValue(boolean result) { if (result) { Intent intent = getIntent(); finish(); startActivity(intent); } else { Intent intent = new Intent(this, MainActivity.class); startActivity(intent); } } @Override public void onNothingSelected(AdapterView<?> arg0) { // TODO Auto-generated method stub } }