Develop Reference

How to show UI from Notification

I'm trying to make a simple musicPlayer that works on Android device.To make Background-play come true, I'm using Service class.
What I want to do is below:
1.User launches app and taps start button
2.Music starts and Notification that notes the Music is playing appears
3.User taps home button and the app's UI disappears
4.Music doesn't stop
5.User tap Notification
6.UI appears with disabled start button and enabled stop button ← I'm in trouble
With My Code, UI appears. But it is not the UI which user made to disappear. How do I describe...It is new-ed UI.
So when user taps stop button,of course music doesn't stop. The Service is different one.
I want music to stop.
Is there any way to show the first created UI? the original UI?
If there's no way to show first created UI,how can I reach to first running service?
Thank you for browsing.
My Activity
package com.websarva.wings.android.servicesample;
import androidx.appcompat.app.AppCompatActivity;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity implements ServiceConnection {
public static final String LOG_TAG = "ServiceSample:";
private Intent _intent;
public static final String INTENT_ACTION = "intentAction";
private ServiceConnection _connection = new ServiceConnection(){
#Override
public void onServiceConnected(ComponentName name, IBinder service) {
}
#Override
public void onServiceDisconnected(ComponentName name) {
}
};
public void onPlayButtonClick(View view){
Log.e(LOG_TAG,
"#onPlayButtonClick -_intentHash - " + _intent.hashCode()
+ "-_connectionHash" + _connection.hashCode());
bindService(_intent, _connection,Context.BIND_AUTO_CREATE);
startService(_intent);
Button btPlay = findViewById(R.id.btPlay);
btPlay.setEnabled(false);
Button btStop = findViewById(R.id.btStop);
btStop.setEnabled(true);
}
public void onStopButtonClick(View view){
Log.e(LOG_TAG,
"#onStopButtonClick -_intentHash - " + _intent.hashCode()
+ "-_connectionHash" + _connection.hashCode());
unbindService(_connection);
stopService(_intent);
Button btStop = findViewById(R.id.btStop);
btStop.setEnabled(false);
Button btPlay = findViewById(R.id.btPlay);
btPlay.setEnabled(true);
}
private BroadcastReceiver _MessageReceiver = new BroadcastReceiver() {
#Override
public void onReceive(Context context, Intent intent) {
Button btStop = findViewById(R.id.btStop);
btStop.setEnabled(false);
Button btPlay = findViewById(R.id.btPlay);
btPlay.setEnabled(true);
}
};
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
LocalBroadcastManager.getInstance(this).registerReceiver(_MessageReceiver,new IntentFilter(INTENT_ACTION));
_intent = getIntent();
boolean isAlreadyPlaying = _intent.getBooleanExtra(SoundManageService.EXTRA_KEY_ISPLAYING,false);
if(isAlreadyPlaying){
Button btPlay = findViewById(R.id.btPlay);
btPlay.setEnabled(false);
Button btStop = findViewById(R.id.btStop);
btStop.setEnabled(true);
}
_intent = new Intent(MainActivity.this,SoundManageService.class);
bindService(_intent, _connection,Context.BIND_AUTO_CREATE);
}
#Override
public void onServiceConnected(ComponentName name, IBinder service) {
}
#Override
public void onServiceDisconnected(ComponentName name) {
}
#Override
public void onDestroy(){
LocalBroadcastManager.getInstance(this).unregisterReceiver(_MessageReceiver);
super.onDestroy();
}
}
My Service
package com.websarva.wings.android.servicesample;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.IBinder;
import android.util.Log;
import androidx.core.app.NotificationCompat;
import androidx.lifecycle.LifecycleService;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import java.io.IOException;
public class SoundManageService extends LifecycleService{
public static final String CHANNEL_ID = "soundmanagerservice_notification_channel";
public static final int FINISH_NOTIFICATION_ID = 2;
public static final int START_NOTIFICATION_ID = 1;
public static final String EXTRA_KEY_ISPLAYING = "isPlaying";
MediaPlayer _player;
public SoundManageService() {
}
private class PlayerPreparedListener implements MediaPlayer.OnPreparedListener{
#Override
public void onPrepared(MediaPlayer mp) {
mp.start();
NotificationCompat.Builder builder = new NotificationCompat.Builder(SoundManageService.this,CHANNEL_ID);
builder.setSmallIcon(android.R.drawable.ic_dialog_info);
builder.setContentTitle(getString(R.string.msg_notification_title_start));
builder.setContentText(getString(R.string.msg_notification_text_start));
Intent intent = new Intent(SoundManageService.this,MainActivity.class);
intent.putExtra(EXTRA_KEY_ISPLAYING,mp.isPlaying());
PendingIntent stopServiceIntent = PendingIntent.getActivity(
SoundManageService.this,0,intent,PendingIntent.FLAG_CANCEL_CURRENT);
builder.setContentIntent(stopServiceIntent);
builder.setAutoCancel(true);
Notification notification = builder.build();
startForeground(START_NOTIFICATION_ID,notification);
}
}
private class PlayerCompletionListener implements MediaPlayer.OnCompletionListener{
#Override
public void onCompletion(MediaPlayer mp) {
stopSelf();
sendMessage();
}
}
private void sendMessage() {
Intent intent = new Intent(MainActivity.INTENT_ACTION);
LocalBroadcastManager.getInstance(this).sendBroadcast(intent);
}
#Override
public void onCreate(){
super.onCreate();
_player = new MediaPlayer();
String channelName = getString(R.string.notification_channnel_name);
int notificationImportance = NotificationManager.IMPORTANCE_DEFAULT;
NotificationChannel notificationChannel = new NotificationChannel(CHANNEL_ID,channelName,notificationImportance);
NotificationManager notificationManager = getSystemService(NotificationManager.class);
notificationManager.createNotificationChannel(notificationChannel);
}
#Override
public int onStartCommand(Intent intent,int flags,int startId){
super.onStartCommand(intent,flags,startId);
String mediaUriStr ="android.resource://" + getPackageName() + "/" + R.raw.testmusic;
Uri uri = Uri.parse(mediaUriStr);
_player = new MediaPlayer();
try{
_player.setDataSource(SoundManageService.this,uri);
_player.setOnPreparedListener(new PlayerPreparedListener());
_player.setOnCompletionListener(new PlayerCompletionListener());
_player.prepareAsync();
} catch (IOException e) {
Log.e("ServiceSample", "メディアプレーヤー準備失敗");
}
return START_NOT_STICKY;
}
#Override
public IBinder onBind(Intent intent) {
super.onBind(intent);
return null;
}
#Override
public boolean onUnbind(Intent intent){
return true;
}
#Override
public void onDestroy(){
if(_player.isPlaying()){
_player.stop();
}
_player.release();
_player = null;
super.onDestroy();
}
}

Changing the code (creating Intent for PendingIntent for Notification)
Intent intent = new Intent(SoundManageService.this,MainActivity.class);
to
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
intent.setClassName(getApplicationContext().getPackageName(), MainActivity.class.getName());
intent.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED | Intent.FLAG_ACTIVITY_NEW_TASK);
made the problem solved.
https://qiita.com/imp954sti/items/e075fb8a99b68dda8180
↑this Japanese note helped me.

How to receive Messages in chat App using signalR in Android

hello i am new in signalR i am making one chating app with using signalR i take reference from SignalR integration in android studio here with the help of this i able to send the messages to the chat group but i am not able to receive messages i read lots of Q&A here but i am not able to solve this problem i paste here my code and please anyone tell me how do i receive message from the server.following is my code.
Activity main
package myapp.chatapp;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.Toast;
import com.google.gson.JsonElement;
import java.util.ArrayList;
import microsoft.aspnet.signalr.client.MessageReceivedHandler;
import microsoft.aspnet.signalr.client.Platform;
import microsoft.aspnet.signalr.client.http.android.AndroidPlatformComponent;
import microsoft.aspnet.signalr.client.hubs.HubConnection;
import microsoft.aspnet.signalr.client.hubs.HubProxy;
import microsoft.aspnet.signalr.client.hubs.SubscriptionHandler2;
import microsoft.aspnet.signalr.client.transport.ClientTransport;
import microsoft.aspnet.signalr.client.transport.LongPollingTransport;
public class MainActivity extends AppCompatActivity implements SignalRService.Something {
private StringBuilder mLog;
private ListView mTestCaseList;
private Spinner mTestGroupSpinner;
private HubConnection mHubConnection;
private HubProxy mHubProxy;
private final Context mContext = this;
private SignalRService mService;
private SignalRService mMessageResive;
private boolean mBound = false;
ListView list_item;
EditText editText;
ArrayList<String> listItems;
ArrayAdapter<String> adapter;
ClientTransport transport;
private Handler mHandler; // to display Toast message
private Thread t;
#Override
public void onConfigurationChanged(Configuration newConfig) {
// don't restart the activity. Just process the configuration change
super.onConfigurationChanged(newConfig);
}
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent intent = new Intent();
intent.setClass(mContext, SignalRService.class);
bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
editText = (EditText)findViewById(R.id.edit_message);
ImageButton btn = (ImageButton)findViewById(R.id.btn);
list_item = (ListView)findViewById(R.id.list_item);
listItems = new ArrayList<String>();
/*listItems.add("First Item - added on Activity Create");*/
/* adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, listItems);*/
adapter = new ArrayAdapter<String>(mContext,R.layout.custom_list, R.id.textView,listItems);
list_item.setAdapter(adapter);
final Handler handler = new Handler();
handler.postDelayed( new Runnable() {
#Override
public void run() {
adapter.notifyDataSetChanged();
handler.postDelayed( this, 1000 );
}
}, 1000 );
btn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
listItems.add(editText.getText().toString());
adapter.notifyDataSetChanged();
sendMessage(view);
}
});
}
#Override
protected void onStop() {
// Unbind from the service
if (mBound) {
unbindService(mConnection);
mBound = false;
}
super.onStop();
}
public void sendMessage(View view) {
if (mBound) {
String message = editText.getText().toString();
String email = "kn#yopmail.com";
String name = "Kunal From Android";
String group ="1";
mService.sendMessage(name,email,group,message);
editText.setText("");
// Call a method from the SignalRService.
// However, if this call were something that might hang, then this request should
// occur in a separate thread to avoid slowing down the activity performance.
/*EditText editText = (EditText) findViewById(R.id.edit_message);
if (editText != null && editText.getText().length() > 0) {
}*/
}
}
public void setmMessageResive(JsonElement jsonElement)
{
listItems.add(10, String.valueOf(jsonElement));
}
/**
* Defines callbacks for service binding, passed to bindService()
*/
private final ServiceConnection mConnection = new ServiceConnection() {
#Override
public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
// We've bound to SignalRService, cast the IBinder and get SignalRService instance
SignalRService.LocalBinder binder = (SignalRService.LocalBinder) iBinder;
mService = binder.getService();
mBound = true;
}
#Override
public void onServiceDisconnected(ComponentName arg0) {
mBound = false;
}
};
#Override
public void doSomething(String msg) {
listItems.add(msg);
}
}
Service code
package myapp.chatapp;
import android.app.Service;
import android.bluetooth.BluetoothClass;
import android.content.Intent;
import android.os.Binder;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.util.Log;
import android.widget.Toast;
import com.google.gson.JsonElement;
import java.util.ArrayList;
import java.util.concurrent.ExecutionException;
import java.util.logging.Logger;
import microsoft.aspnet.signalr.client.Action;
import microsoft.aspnet.signalr.client.Credentials;
import microsoft.aspnet.signalr.client.LogLevel;
import microsoft.aspnet.signalr.client.MessageReceivedHandler;
import microsoft.aspnet.signalr.client.Platform;
import microsoft.aspnet.signalr.client.SignalRFuture;
import microsoft.aspnet.signalr.client.http.Request;
import microsoft.aspnet.signalr.client.http.android.AndroidPlatformComponent;
import microsoft.aspnet.signalr.client.hubs.HubConnection;
import microsoft.aspnet.signalr.client.hubs.HubProxy;
import microsoft.aspnet.signalr.client.hubs.SubscriptionHandler1;
import microsoft.aspnet.signalr.client.hubs.SubscriptionHandler2;
import microsoft.aspnet.signalr.client.hubs.SubscriptionHandler4;
import microsoft.aspnet.signalr.client.transport.ClientTransport;
import microsoft.aspnet.signalr.client.transport.LongPollingTransport;
import microsoft.aspnet.signalr.client.transport.ServerSentEventsTransport;
/**
* Created by NULLPLEX7 on 11/28/2017.
*/
public class SignalRService extends Service {
private HubConnection mHubConnection;
private HubProxy mHubProxy;
private Handler mHandler; // to display Toast message
private final IBinder mBinder = new LocalBinder(); // Binder given to clients
ClientTransport transport;
registerListener registerListener;
private MainActivity setmMessageResive;
public Something list;
public SignalRService() {
}
#Override
public void onCreate() {
super.onCreate();
mHandler = new Handler(Looper.getMainLooper());
}
#Override
public int onStartCommand(Intent intent, int flags, int startId) {
int result = super.onStartCommand(intent, flags, startId);
startSignalR();
return result;
}
#Override
public void onDestroy() {
mHubConnection.stop();
super.onDestroy();
}
#Override
public IBinder onBind(Intent intent) {
// Return the communication channel to the service.
startSignalR();
return mBinder;
}
/**
* Class used for the client Binder. Because we know this service always
* runs in the same process as its clients, we don't need to deal with IPC.
*/
public class LocalBinder extends Binder {
public SignalRService getService() {
// Return this instance of SignalRService so clients can call public methods
return SignalRService.this;
}
}
/**
* method for clients (activities)
*/
public void sendMessage(String name, String email, String group, String msg ) {
String SERVER_METHOD_SEND = "BroadCastMessage";
mHubProxy.invoke(SERVER_METHOD_SEND, name,email,group,msg);
}
private void startSignalR() {
Platform.loadPlatformComponent(new AndroidPlatformComponent());
Credentials credentials = new Credentials() {
#Override
public void prepareRequest(Request request) {
request.addHeader("User-Name", "BNK");
}
};
String serverUrl = "myurlhere";
mHubConnection = new HubConnection(serverUrl);
mHubConnection.setCredentials(credentials);
String SERVER_HUB_CHAT = "ChatHub";
mHubProxy = mHubConnection.createHubProxy(SERVER_HUB_CHAT);
ClientTransport clientTransport = new ServerSentEventsTransport(mHubConnection.getLogger());
SignalRFuture<Void> signalRFuture = mHubConnection.start(clientTransport);
mHubProxy.subscribe(this);
transport = new LongPollingTransport(mHubConnection.getLogger());
mHubConnection.start(transport);
/* ****new codes here**** */
/* ****seems useless but should be here!**** */
mHubProxy.subscribe(new Object() {
#SuppressWarnings("unused")
public void newMessage(final String message, final String messageId, final String chatId,
final String senderUserId, final String fileUrl, final String replyToMessageId) {
}
});
try {
signalRFuture.get();
}catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
return;
}
mHubProxy.on("receiveGroupMessage",
new SubscriptionHandler4<String, String, String, String>() {
#Override
public void run(final String name,final String msg ,final String avtar,final String date ) {
final String finalMsg = name + " says " + msg;
/*final String finalMsg = msg;*/
// display Toast message
mHandler.post(new Runnable() {
#Override
public void run() {
list.doSomething(msg);
}
});
}
}
, String.class,String.class,String.class,String.class);
mHubConnection.received(new MessageReceivedHandler() {
#Override
public void onMessageReceived(final JsonElement json) {
Log.e("receiveGroupMessage ", json.toString());
mHandler.post(new Runnable() {
#Override
public void run() {
Toast.makeText(getApplicationContext(), ""+json, Toast.LENGTH_SHORT).show();
}
});
}
});
}
public interface Something
{
void doSomething(String msg);
}
}
i read on stack overflow that in onMessageReceived i get the server responses but i did not get any response here . I want when any one send message in group from web i want that message in my chat app someone suggest me that i need to create Event listener but i don't no how to create it . please tell me how do i get messages in my chat app.
mHubProxy.on("receiveGroupMessage",
new SubscriptionHandler4<String, String, String, String>() {
#Override
public void run(final String name,final String msg ,final String avtar,final String date ) {
final String finalMsg = name + " says " + msg;
/*final String finalMsg = msg;*/
// display Toast message
mHandler.post(new Runnable() {
#Override
public void run() {
list.doSomething(msg);
}
});
}
}
, String.class,String.class,String.class,String.class);
i thought that i got messages here but execution not go inside the Run.
Any Help is Welcome

Access SharedPreferences from another class (non-activity)

I'm trying to pass the values from the MainActivity class into SMSReceiver class using SharedPreferences but the values that returned isn't true
i used this and this but it seems it doesn't work
Edit : i'm using a service in my program so i can't call the members like MainActivity.MyPREFENRECES, SMSreceiver.rK because after i kill the activity i get null exception
Edit I'm calling the method run in the layout
any help please ??
MainActivity.java
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.media.AudioManager;
import android.os.Bundle;
import android.app.Activity;
import android.content.Context;
import android.view.View;
import android.widget.EditText;
import android.widget.Switch;
import android.widget.Toast;
public class MainActivity extends Activity {
public static final String MyPREFERENCES = "MyPrefs" ;
public static Switch smsSwitch;
private EditText ringKey,vibrateKey,silentKey;
private AudioManager myAudioManager;
SharedPreferences sharedpreferences;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
smsSwitch = (Switch)findViewById(R.id.smsSwitch);
ringKey = (EditText)findViewById(R.id.ringWord);
vibrateKey = (EditText)findViewById(R.id.vibrateWord);
silentKey = (EditText)findViewById(R.id.silentWord);
myAudioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
sharedpreferences = getSharedPreferences(MyPREFERENCES, Context.MODE_PRIVATE);
smsSwitch.setChecked(true);
if (sharedpreferences.contains(SMSreceiver.rK))
{
ringKey.setText(sharedpreferences.getString(SMSreceiver.rK, ""));
}
if (sharedpreferences.contains(SMSreceiver.sK))
{
silentKey.setText(sharedpreferences.getString(SMSreceiver.sK, ""));
}
if (sharedpreferences.contains(SMSreceiver.vK))
{
vibrateKey.setText(sharedpreferences.getString(SMSreceiver.vK, ""));
}
smsSwitch.setChecked(sharedpreferences.getBoolean("checked",false));
}
public void vibrate(View view){
myAudioManager.setRingerMode(AudioManager.RINGER_MODE_VIBRATE);
}
public void ring(View view){
myAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
}
public void silent(View view){
myAudioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT);
}
public void mode(View view){
int mod = myAudioManager.getRingerMode();
if(mod == AudioManager.RINGER_MODE_NORMAL){
Toast.makeText(getApplicationContext(), "Normal Mode", Toast.LENGTH_SHORT).show();
}
else if(mod == AudioManager.RINGER_MODE_SILENT){
Toast.makeText(getApplicationContext(), "Silent Mode", Toast.LENGTH_SHORT).show();
}
else if(mod == AudioManager.RINGER_MODE_VIBRATE){
Toast.makeText(getApplicationContext(), "Vibrate Mode", Toast.LENGTH_SHORT).show();
}
else{
}
}
public void run(View view){
String r = ringKey.getText().toString();
String v = vibrateKey.getText().toString();
String s = silentKey.getText().toString();
boolean c = smsSwitch.isChecked();
Editor editor = sharedpreferences.edit();
editor.putString("ring", r);
editor.putString("vibrate", v);
editor.putString("silent", s);
editor.putBoolean("checked",c);
editor.commit();
}
}
SMSreceiver.java
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.media.AudioManager;
import android.os.Bundle;
import android.telephony.SmsMessage;
import android.widget.Toast;
public class SMSreceiver extends BroadcastReceiver
{
private final String TAG = this.getClass().getSimpleName();
public static final String SMS_BUNDLE = "pdus";
public static SharedPreferences sharedpreference;
public static String rK="ring";
public static String vK="vibrate";
public static String sK="silent";
#Override
public void onReceive(Context context, Intent intent)
{
Intent startServiceIntent = new Intent(context, MainActivity.class);
context.startService(startServiceIntent);
sharedpreference = context.getSharedPreferences("MyPrefs", Context.MODE_PRIVATE);
Bundle intentExtras = intent.getExtras();
if (intentExtras != null) {
Object[] sms = (Object[]) intentExtras.get(SMS_BUNDLE);
for (int i = 0; i < sms.length; ++i) {
SmsMessage smsMessage = SmsMessage.createFromPdu((byte[]) sms[i]);
String smsBody = smsMessage.getMessageBody().toString();
AudioManager am = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE);
if(sharedpreference.getBoolean("checked",true)) {
if (smsBody.contains(sharedpreference.getString(rK,"ring"))) {
am.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
Toast.makeText(context, "Normal Mode Activated", Toast.LENGTH_SHORT).show();
} else if (smsBody.contains(sharedpreference.getString(vK,"vibrate"))) {
am.setRingerMode(AudioManager.RINGER_MODE_VIBRATE);
Toast.makeText(context, "Vibrate Mode Activated", Toast.LENGTH_SHORT).show();
} else if (smsBody.contains(sharedpreference.getString(sK,"silent"))) {
am.setRingerMode(AudioManager.RINGER_MODE_SILENT);
Toast.makeText(context, "Silent Mode Activated", Toast.LENGTH_SHORT).show();
}
}
}
}
}
}

Using sharedpref strings as inputs into sendTextMessage

I am creating an app that takes String's input by the user via EditText, puts them into a sharedpreference and then sends an automatic sms when an sms is received, using the strings from the sharedpreference to dictate the phone number and text message that will be automatically sent.
The app works perfectly as long as I hardcode the phone number and the text message to be sent. As soon as I try and put the Strings from the shared preferences into the SendSMS method then the app crashes and I get a debug error "hasUserDataHeader : false"
The below code is the version where i try to take the String from the Name EditText and use it as the message to be sent via the parameter TextMessage (see within the broadcast receiver for this line of code). If i were to replace this with "TextMessage" then it would be fine but obviously this doesn't make the text sent dynamic
Code below:
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Button;
import android.app.PendingIntent;
import android.content.Intent;
import android.telephony.SmsManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.IntentFilter;
import android.widget.TextView;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.SharedPreferences;
public class MainActivity extends Activity {
int notificationID = 1;
String[] excuses;
String excuseSelected;
IntentFilter intentFilter;
private SharedPreferences prefs;
private String prefName = "MyPref";
private static final String NUMBER_KEY = "number";
private static final String NAME_KEY = "name";
private static final String EXCUSE_KEY = "excuse";
private BroadcastReceiver intentReceiver = new BroadcastReceiver() {
#Override
public void onReceive(Context context, Intent intent) {
//---gather up all the necessary user input---
prefs = getSharedPreferences(prefName, MODE_PRIVATE);
String textMessage = (String) prefs.getString(NAME_KEY, "");
sendSMS("0403579838", textMessage);
// }
}
};
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//---intent to filter for SMS messages received---
intentFilter = new IntentFilter();
intentFilter.addAction("SMS_RECEIVED_ACTION");
final Button btn1 = (Button)findViewById(R.id.buttonToggle);
excuses = getResources().getStringArray(R.array.excuses_array);
Spinner s1 = (Spinner) findViewById(R.id.spinnerExcuse);
final EditText EditTextNumber = (EditText) findViewById(R.id.editTextNumber);
final EditText EditTextName = (EditText) findViewById(R.id.editTextName);
//---Sorting the spinner view out for excuses selection---
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, excuses);
s1.setAdapter(adapter);
s1.setOnItemSelectedListener(new OnItemSelectedListener()
{
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3)
{
int index = arg0.getSelectedItemPosition();
excuseSelected = excuses[index];
}
public void onNothingSelected(AdapterView<?> arg0) {}
});
//---Setting the button to toggle between on and off---
btn1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (btn1.getText().equals("Turn on"))
{
btn1.setText("Turn off");
//---register the receiver---
registerReceiver(intentReceiver, intentFilter);
//---get the SharedPreferences object---
prefs = getSharedPreferences(prefName, MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
//---set the user inputs to prefo's---
editor.putString(NUMBER_KEY, EditTextNumber.getText().toString());
editor.putString(NAME_KEY, EditTextName.getText().toString());
editor.putString(EXCUSE_KEY, excuseSelected);
}
else
{
btn1.setText("Turn on");
//---unregister the receiver---
unregisterReceiver(intentReceiver);
}
}
});
}
//---sends an SMS message to another device---
public void sendSMS(String phoneNumber, String message)
{
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(phoneNumber, null, message, null, null);
displayNotification();
}
protected void displayNotification()
{
Intent i = new Intent(this, NotificationView.class);
i.putExtra("notificationID", notificationID);
PendingIntent pendingIntent =
PendingIntent.getActivity(this, 0, i, 0);
NotificationManager nm = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE);
Notification notif = new Notification(
R.drawable.ic_launcher,
"SMS has been sent by GirlfriendMinder",
System.currentTimeMillis());
CharSequence from = "GirlfriendMinder";
CharSequence message = "SMS has been sent by GirlfriendMinder";
notif.setLatestEventInfo(this, from, message, pendingIntent);
//---100ms delay, vibrate for 250ms, pause for 100ms, and then vibrate for 500ms---
notif.vibrate = new long[] { 100, 250, 100, 500};
nm.notify(notificationID, notif);
}
#Override
protected void onDestroy() {
//---unregister the receiver---
unregisterReceiver(intentReceiver);
super.onPause();
}
}

In your code:
//---Setting the button to toggle between on and off---
btn1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (btn1.getText().equals("Turn on"))
{
btn1.setText("Turn off");
//---register the receiver---
registerReceiver(intentReceiver, intentFilter);
//---get the SharedPreferences object---
prefs = getSharedPreferences(prefName, MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
//---set the user inputs to prefo's---
editor.putString(NUMBER_KEY, EditTextNumber.getText().toString());
editor.putString(NAME_KEY, EditTextName.getText().toString());
editor.putString(EXCUSE_KEY, excuseSelected);
}
else
{
btn1.setText("Turn on");
//---unregister the receiver---
unregisterReceiver(intentReceiver);
}
}
});
}
below:
editor.putString(EXCUSE_KEY, excuseSelected);
add
editor.commit();

Activity that can update a Service via Button

I am trying to update a service from an activity. The Activity saves data to the sql lite database on the phone when the user clicks on a button. What I would like to do here, is when this button is clicked, the service is refreshed and uses the new data.
I was using start/stopservice on the button, but the app crashes and skips around to different activities.
I thought my question was similar to Android: Update / Refresh a running service and
Broadcast Receiver within a Service
However, I'm not updating a widget or another android native component. The service is a custom class.
Please note that a Broadcast receiver starts this service on Boot of the phone.
Also, Logcat window dosen't scroll the readouts. It jerks up and down. So I don't have an error log to show you.
How do I create a function that would allow the service to update when the user clicks on the button in an activity?
Here is my activity (button is at the bottom):
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.joda.time.DateTime;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningServiceInfo;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ToggleButton;
import com.google.android.gcm.demo.app.R;
import com.google.android.gcm.demo.app.EventList.DataView;
import com.google.android.gcm.demo.app.EventList.EventDetails;
import com.google.android.gcm.demo.app.sqllite.DatabaseSqlite;
public class AlertDetails extends Activity {
Integer id;
String name;
String date;
String startTime;
String endTime;
String location;
int alertState;
Bundle bundle;
String alertTime;
String s;
private TextView mTitleDisplay;
private TextView mDateDisplay;
private TextView mTimeDisplay;
private TextView mTimeEndDisplay;
private TextView mLocationDisplay;
private TextView mAlertDisplay;
private String update_alarmTime;
String eventYear;
String eventDay;
String eventMonth;
String eventdate;
Context context;
Intent alarmServiceControl;
DatabaseSqlite entry = new DatabaseSqlite(AlertDetails.this);
// Intent startServiceIntent = new Intent(context, AlarmsService.class);
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.alertview);
bundle = getIntent().getExtras();
id = bundle.getInt("id");
name = bundle.getString("eventName");
date = bundle.getString("date");
startTime = bundle.getString("startTime");
endTime = bundle.getString("endTime");
location = bundle.getString("location");
alertState = bundle.getInt("alertState");
alertTime = bundle.getString("alertTime");
alertTime = "10:00:00";// need to be hooked up correctly to get the right
// capture our View elements
mTitleDisplay = (TextView) findViewById(R.id.titleDisplay);
mDateDisplay = (TextView) findViewById(R.id.dateDisplay);
mTimeDisplay = (TextView) findViewById(R.id.timeDisplay);
mTimeEndDisplay = (TextView) findViewById(R.id.timeEndDisplay);
mLocationDisplay = (TextView) findViewById(R.id.locationDisplay);
mAlertDisplay = (TextView) findViewById(R.id.alertDisplay);
// set start
mTimeDisplay.setText(startTime);
mTimeEndDisplay.setText(endTime);
// set title
mTitleDisplay.setText(name);
// set Date
eventYear = date.substring(0, 4);
eventDay = date.substring(5, 7);
eventMonth = date.substring(8, 10);
mDateDisplay.setText(eventDay + "-" + eventMonth + "-" + eventYear);
eventdate = eventDay + "/" + eventMonth + "/" + eventYear;
// set location
mLocationDisplay.setText(location);
if (alertState == 0) {
entry.open();
mAlertDisplay.setText("Alert is ON and Set to " +entry.getAlert(id));
entry.close();
}
if (alertState == 1) {
mAlertDisplay.setText("Alert is OFF");
}
Button button1 = (Button) findViewById(R.id.btnSetAlert);
button1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (alertState == 0) {
alertState++;
mAlertDisplay.setText("Alert is OFF");
entry.open();
entry.updateAlertState(id, alertState);
entry.close();
} else {
//turn alarm on
entry.open();
mAlertDisplay.setText("Alert is ON and Set to " +entry.getAlert(id));
alertState = 0;
entry.updateAlertState(id, alertState);
entry.close();
}
// TODO check if service is running
stopService(new Intent(AlertDetails.this,
AlarmsService.class));
startService(new Intent(AlertDetails.this,
AlarmsService.class));
Intent intent = new Intent(AlertDetails.this,
AlertView.class);
startActivity(intent);
}
});
}
}
Here is the service I'd like to update:
package com.google.android.gcm.demo.app.Alerts;
import java.util.Calendar;
import java.util.List;
import com.google.android.gcm.demo.app.sqllite.DatabaseSqlite;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.util.Log;
import android.widget.Toast;
public class AlarmsService extends Service {
DatabaseSqlite db = new DatabaseSqlite(this);
List<Alerts> listAlerts;
PendingIntent pendingIntent;
String tag = "alerttService";
#Override
public void onCreate() {
super.onCreate();
Toast.makeText(this, "Created from Alerts service ...",
Toast.LENGTH_LONG).show();
Log.i(tag, "Service created...");
}
public int onStartCommand(Intent intent, int flags, int startId) {
Log.d("TAG", "started onstart command Created from Alerts service .");
return super.onStartCommand(intent, flags, startId);// START_STICKY;
}
#Override
public void onStart(final Intent intent, int startId) {
super.onStart(intent, startId);
Toast.makeText(this, "Created from Alerts service started...",
Toast.LENGTH_LONG).show();
Log.i(tag, "Service started. ..");
// for looops
Thread thread = new Thread() {
#Override
public void run() {
Boolean x = true;
while (x) {
db.open();
listAlerts = db.getAlarmsForService();
db.close();
int alerts=listAlerts.size();
for (int i = 0; i < alerts; i++) {
Alerts item = listAlerts.get(i);
item.getRowId();
item.getRemoteServerId();
String alertInMills = item.getAlertDateInMills();
String alertDuration = item.getAlertDurationInMinutes();
String eventName = item.getEventName();
// intent.putExtra("eventState", item.getEventState());
// intent.putExtra("startTime", item.getStartTime());
// intent.putExtra("alertState", item.getAlertState());
// intent.putExtra("eventName", item.getEventName());
// intent.putExtra("location", item.getLocation());
// intent.putExtra("alertTime", item.getAlertTime());
// intent.putExtra("date", item.getDate());
long longAlertInMills = Long.parseLong(alertInMills);
pendingIntent = PendingIntent.getService(AlarmsService.this, 0,intent, 0);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
Calendar calendar = Calendar.getInstance();
// go to data base for time in mills
calendar.setTimeInMillis(longAlertInMills);
alarmManager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(),
pendingIntent);
//
System.out.println(calendar.toString());
}
//
System.out.println("thread");
x = false;
}
}
};
thread.start();
}
#Override
public void onDestroy() {
super.onDestroy();
Toast.makeText(this, "Service destroyed...", Toast.LENGTH_LONG).show();
}
#Override
public IBinder onBind(Intent intent) {
return null;
}
}
BroadCast Receiver:
package com.google.android.gcm.demo.app.Alerts;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
public class AlarmsBroadcastReceiver extends BroadcastReceiver {
private static final String TAG = "BootReceiver";
Intent startServiceIntent;
#Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals("android.intent.action.BOOT_COMPLETED")) {
startServiceIntent = new Intent(context, AlarmsService.class);
context.startService(startServiceIntent);
Log.d("TAG", "alarmBroadcastReceiver");
System.out.println("alarm broadcast ...");
}
}
}