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Code Issues Projects Releases Wiki Activity

Friends list is automatically refreshed

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This commit is contained in:
Pierre 2017-11-19 14:02:08 +01:00
parent 2976212a0f
commit c6cbdc20f0
6 changed files with 156 additions and 9 deletions
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34
app/src/main/java/org/communiquons/android/comunic/client/MainActivity.java
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@ -1,7 +1,6 @@
package org.communiquons.android.comunic.client;
import android.app.AlertDialog;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.DialogInterface;
import android.content.Intent;
@ -14,9 +13,10 @@ import android.view.MenuItem;
import android.widget.Toast;
import org.communiquons.android.comunic.client.api.APIRequest;
import org.communiquons.android.comunic.client.api.APIRequestTask;
import org.communiquons.android.comunic.client.data.Account.Account;
import org.communiquons.android.comunic.client.data.Account.AccountUtils;
import org.communiquons.android.comunic.client.data.DatabaseHelper;
import org.communiquons.android.comunic.client.data.friendsList.FriendRefreshLoopRunnable;
import org.communiquons.android.comunic.client.fragments.FriendsListFragment;
import org.communiquons.android.comunic.client.fragments.UserInfosFragment;
@ -38,6 +38,16 @@ public class MainActivity extends AppCompatActivity {
*/
private AccountUtils aUtils;
/**
* Friends list refresh thread
*/
private Thread friendsListRefreshThread;
/**
* Database helper
*/
private DatabaseHelper dbHelper;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@ -63,7 +73,10 @@ public class MainActivity extends AppCompatActivity {
Toast.makeText(this, R.string.err_no_internet_connection, Toast.LENGTH_SHORT).show();
}
//If it is the first time the application is launched, started the user friends tab
//Initialize DatabaseHelper
dbHelper = new DatabaseHelper(getApplicationContext());
//If it is the first time the application is launched, start the user friends tab
if(savedInstanceState == null){
openFriendsFragment();
}
@ -77,7 +90,22 @@ public class MainActivity extends AppCompatActivity {
if(!account.signed_in()){
//Open the login activity
startActivity(new Intent(this, LoginActivity.class));
return;
}
//Refresh friends list through a thread
friendsListRefreshThread = new Thread(
new FriendRefreshLoopRunnable(getApplicationContext(), dbHelper));
friendsListRefreshThread.start();
}
@Override
protected void onStop() {
super.onStop();
//Stop the friends list refresh thread
if(friendsListRefreshThread != null)
friendsListRefreshThread.interrupt();
}
/**

61
app/src/main/java/org/communiquons/android/comunic/client/data/friendsList/FriendRefreshLoopRunnable.java Normal file
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@ -0,0 +1,61 @@
package org.communiquons.android.comunic.client.data.friendsList;
import android.content.Context;
import org.communiquons.android.comunic.client.data.DatabaseHelper;
/**
* Automatically refresh friends list thread
*
* Goal this thread : this thread is killed when it is not required anymore to refresh the friends
* list.
*
* However, it launches periodically another thread, FriendsListRefreshRunnable, which is never
* killed, in order not to get errors.
*
* @author Pierre HUBERT
* Created by pierre on 11/19/17.
*/
public class FriendRefreshLoopRunnable implements Runnable {
private final Object object = new Object();
private Context context;
private DatabaseHelper dbHelper;
public FriendRefreshLoopRunnable(Context context, DatabaseHelper dbHelper){
this.context = context;
this.dbHelper = dbHelper;
}
/**
* Perpetual loop that only stops when it get killed
*/
@Override
public void run() {
synchronized (object) {
Thread thread;
while (true) {
//Create a refresh thread
thread = new Thread(new FriendsListRefreshRunnable(context, dbHelper));
thread.start();
try {
thread.join();
object.wait(15000);
} catch (Exception e) {
e.printStackTrace();
return; //Stop the refresh loop
}
}
}
}
}

54
app/src/main/java/org/communiquons/android/comunic/client/data/friendsList/FriendsListRefreshRunnable.java Normal file
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@ -0,0 +1,54 @@
package org.communiquons.android.comunic.client.data.friendsList;
import android.content.Context;
import org.communiquons.android.comunic.client.data.DatabaseHelper;
import java.util.ArrayList;
/**
* Auto friends list refresh runnable
*
* @author Pierre HUBERT
* Created by pierre on 11/19/17.
*/
class FriendsListRefreshRunnable implements Runnable {
/**
* This runnable requires a context object in order to connect to the API
*
* The context of the application (or of the activity)
*/
private Context mContext;
/**
* Database object
*/
private DatabaseHelper dbHelper;
/**
* Runnable constructor
*
* @param context The context of the application
* @param dbHelper Database helper
*/
FriendsListRefreshRunnable(Context context, DatabaseHelper dbHelper){
this.mContext = context;
this.dbHelper = dbHelper;
}
@Override
public void run() {
GetFriendsList getFriendsList = new GetFriendsList(mContext);
FriendsListDbHelper friendsDBHelper = new FriendsListDbHelper(dbHelper);
//Get the latest version of the list
ArrayList<Friend> friendsList = getFriendsList.get();
//Save it (only in case of success)
if(friendsList != null)
friendsDBHelper.update_list(friendsList);
}
}

2
app/src/main/java/org/communiquons/android/comunic/client/data/friendsList/GetFriendsList.java
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@ -1,6 +1,7 @@
package org.communiquons.android.comunic.client.data.friendsList;
import android.content.Context;
import android.support.annotation.Nullable;
import org.communiquons.android.comunic.client.api.APIRequest;
import org.communiquons.android.comunic.client.api.APIRequestParameters;
@ -38,6 +39,7 @@ class GetFriendsList {
*
* @return The list of friend of the user
*/
@Nullable
ArrayList<Friend> get(){
//Prepare the API request

12
app/src/main/java/org/communiquons/android/comunic/client/data/friendsList/GetFriendsListTask.java
View File

@ -3,6 +3,8 @@ package org.communiquons.android.comunic.client.data.friendsList;
import android.content.Context;
import android.os.AsyncTask;
import org.communiquons.android.comunic.client.data.DatabaseHelper;
import java.util.ArrayList;
/**
@ -17,15 +19,15 @@ public abstract class GetFriendsListTask extends AsyncTask<Void, Void, ArrayList
/**
* The context of the task
*/
private Context mContext;
private DatabaseHelper dbHelper;
/**
* Public constructor to the class
*
* @param context the context of execution of the refresh task
* @param dbHelper Database helper
*/
public GetFriendsListTask(Context context){
mContext = context;
public GetFriendsListTask(DatabaseHelper dbHelper){
this.dbHelper = dbHelper;
}
/**
@ -47,6 +49,6 @@ public abstract class GetFriendsListTask extends AsyncTask<Void, Void, ArrayList
@Override
protected ArrayList<Friend> doInBackground(Void... params) {
//Create the GetFriendList object and use it to fetch the list
return new GetFriendsList(mContext).get();
return new FriendsListDbHelper(dbHelper).get_list();
}
}

2
app/src/main/java/org/communiquons/android/comunic/client/fragments/FriendsListFragment.java
View File

@ -83,7 +83,7 @@ public class FriendsListFragment extends Fragment {
//Display loading bar
display_progress_bar(true);
new GetFriendsListTask(getActivity().getApplicationContext()){
new GetFriendsListTask(mDbHelper){
@Override
protected void onPostExecute(ArrayList<Friend> friendsList) {