├── .gitignore ├── .idea ├── compiler.xml ├── copyright │ └── profiles_settings.xml ├── gradle.xml ├── misc.xml ├── modules.xml └── runConfigurations.xml ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── net │ │ └── simplifiedcoding │ │ └── androidmysqlsync │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── net │ │ │ └── simplifiedcoding │ │ │ └── androidmysqlsync │ │ │ ├── DatabaseHelper.java │ │ │ ├── MainActivity.java │ │ │ ├── Name.java │ │ │ ├── NameAdapter.java │ │ │ ├── NetworkStateChecker.java │ │ │ └── VolleySingleton.java │ └── res │ │ ├── drawable │ │ ├── stopwatch.png │ │ └── success.png │ │ ├── layout │ │ ├── activity_main.xml │ │ └── names.xml │ │ ├── mipmap-hdpi │ │ └── ic_launcher.png │ │ ├── mipmap-mdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxxhdpi │ │ └── ic_launcher.png │ │ ├── values-w820dp │ │ └── dimens.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── net │ └── simplifiedcoding │ └── androidmysqlsync │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .externalNativeBuild 10 | -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 18 | 19 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 19 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 46 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 25 5 | buildToolsVersion "25.0.1" 6 | defaultConfig { 7 | applicationId "net.simplifiedcoding.androidmysqlsync" 8 | minSdkVersion 15 9 | targetSdkVersion 25 10 | versionCode 1 11 | versionName "1.0" 12 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 25 | exclude group: 'com.android.support', module: 'support-annotations' 26 | }) 27 | compile 'com.android.support:appcompat-v7:25.0.1' 28 | 29 | //add this line 30 | compile 'com.android.volley:volley:1.0.0' 31 | 32 | 33 | testCompile 'junit:junit:4.12' 34 | } 35 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in C:\Users\Belal\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/net/simplifiedcoding/androidmysqlsync/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package net.simplifiedcoding.androidmysqlsync; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumentation test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("net.simplifiedcoding.androidmysqlsync", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 8 | 9 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /app/src/main/java/net/simplifiedcoding/androidmysqlsync/DatabaseHelper.java: -------------------------------------------------------------------------------- 1 | package net.simplifiedcoding.androidmysqlsync; 2 | 3 | import android.content.ContentValues; 4 | import android.content.Context; 5 | import android.database.Cursor; 6 | import android.database.sqlite.SQLiteDatabase; 7 | import android.database.sqlite.SQLiteOpenHelper; 8 | 9 | /** 10 | * Created by Belal on 1/27/2017. 11 | */ 12 | public class DatabaseHelper extends SQLiteOpenHelper { 13 | 14 | //Constants for Database name, table name, and column names 15 | public static final String DB_NAME = "NamesDB"; 16 | public static final String TABLE_NAME = "names"; 17 | public static final String COLUMN_ID = "id"; 18 | public static final String COLUMN_NAME = "name"; 19 | public static final String COLUMN_STATUS = "status"; 20 | 21 | //database version 22 | private static final int DB_VERSION = 1; 23 | 24 | //Constructor 25 | public DatabaseHelper(Context context) { 26 | super(context, DB_NAME, null, DB_VERSION); 27 | } 28 | 29 | //creating the database 30 | @Override 31 | public void onCreate(SQLiteDatabase db) { 32 | String sql = "CREATE TABLE " + TABLE_NAME 33 | + "(" + COLUMN_ID + 34 | " INTEGER PRIMARY KEY AUTOINCREMENT, " + COLUMN_NAME + 35 | " VARCHAR, " + COLUMN_STATUS + 36 | " TINYINT);"; 37 | db.execSQL(sql); 38 | } 39 | 40 | //upgrading the database 41 | @Override 42 | public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { 43 | String sql = "DROP TABLE IF EXISTS Persons"; 44 | db.execSQL(sql); 45 | onCreate(db); 46 | } 47 | 48 | /* 49 | * This method is taking two arguments 50 | * first one is the name that is to be saved 51 | * second one is the status 52 | * 0 means the name is synced with the server 53 | * 1 means the name is not synced with the server 54 | * */ 55 | public boolean addName(String name, int status) { 56 | SQLiteDatabase db = this.getWritableDatabase(); 57 | ContentValues contentValues = new ContentValues(); 58 | 59 | contentValues.put(COLUMN_NAME, name); 60 | contentValues.put(COLUMN_STATUS, status); 61 | 62 | 63 | db.insert(TABLE_NAME, null, contentValues); 64 | db.close(); 65 | return true; 66 | } 67 | 68 | /* 69 | * This method taking two arguments 70 | * first one is the id of the name for which 71 | * we have to update the sync status 72 | * and the second one is the status that will be changed 73 | * */ 74 | public boolean updateNameStatus(int id, int status) { 75 | SQLiteDatabase db = this.getWritableDatabase(); 76 | ContentValues contentValues = new ContentValues(); 77 | contentValues.put(COLUMN_STATUS, status); 78 | db.update(TABLE_NAME, contentValues, COLUMN_ID + "=" + id, null); 79 | db.close(); 80 | return true; 81 | } 82 | 83 | /* 84 | * this method will give us all the name stored in sqlite 85 | * */ 86 | public Cursor getNames() { 87 | SQLiteDatabase db = this.getReadableDatabase(); 88 | String sql = "SELECT * FROM " + TABLE_NAME + " ORDER BY " + COLUMN_ID + " ASC;"; 89 | Cursor c = db.rawQuery(sql, null); 90 | return c; 91 | } 92 | 93 | /* 94 | * this method is for getting all the unsynced name 95 | * so that we can sync it with database 96 | * */ 97 | public Cursor getUnsyncedNames() { 98 | SQLiteDatabase db = this.getReadableDatabase(); 99 | String sql = "SELECT * FROM " + TABLE_NAME + " WHERE " + COLUMN_STATUS + " = 0;"; 100 | Cursor c = db.rawQuery(sql, null); 101 | return c; 102 | } 103 | } 104 | -------------------------------------------------------------------------------- /app/src/main/java/net/simplifiedcoding/androidmysqlsync/MainActivity.java: -------------------------------------------------------------------------------- 1 | package net.simplifiedcoding.androidmysqlsync; 2 | 3 | import android.Manifest; 4 | import android.app.ProgressDialog; 5 | import android.content.BroadcastReceiver; 6 | import android.content.Context; 7 | import android.content.Intent; 8 | import android.content.IntentFilter; 9 | import android.content.pm.PackageManager; 10 | import android.database.Cursor; 11 | import android.net.ConnectivityManager; 12 | import android.support.v4.content.ContextCompat; 13 | import android.support.v7.app.AppCompatActivity; 14 | import android.os.Bundle; 15 | import android.view.View; 16 | import android.widget.Button; 17 | import android.widget.EditText; 18 | import android.widget.ListView; 19 | import android.widget.Toast; 20 | 21 | import com.android.volley.AuthFailureError; 22 | import com.android.volley.Request; 23 | import com.android.volley.RequestQueue; 24 | import com.android.volley.Response; 25 | import com.android.volley.VolleyError; 26 | import com.android.volley.toolbox.StringRequest; 27 | import com.android.volley.toolbox.Volley; 28 | 29 | import org.json.JSONException; 30 | import org.json.JSONObject; 31 | 32 | import java.util.ArrayList; 33 | import java.util.HashMap; 34 | import java.util.List; 35 | import java.util.Map; 36 | 37 | public class MainActivity extends AppCompatActivity implements View.OnClickListener { 38 | 39 | /* 40 | * this is the url to our webservice 41 | * make sure you are using the ip instead of localhost 42 | * it will not work if you are using localhost 43 | * */ 44 | public static final String URL_SAVE_NAME = "http://192.168.1.107/SqliteSync/saveName.php"; 45 | 46 | //database helper object 47 | private DatabaseHelper db; 48 | 49 | //View objects 50 | private Button buttonSave; 51 | private EditText editTextName; 52 | private ListView listViewNames; 53 | 54 | //List to store all the names 55 | private List names; 56 | 57 | //1 means data is synced and 0 means data is not synced 58 | public static final int NAME_SYNCED_WITH_SERVER = 1; 59 | public static final int NAME_NOT_SYNCED_WITH_SERVER = 0; 60 | 61 | //a broadcast to know weather the data is synced or not 62 | public static final String DATA_SAVED_BROADCAST = "net.simplifiedcoding.datasaved"; 63 | 64 | //Broadcast receiver to know the sync status 65 | private BroadcastReceiver broadcastReceiver; 66 | 67 | //adapterobject for list view 68 | private NameAdapter nameAdapter; 69 | 70 | @Override 71 | protected void onCreate(Bundle savedInstanceState) { 72 | super.onCreate(savedInstanceState); 73 | setContentView(R.layout.activity_main); 74 | 75 | registerReceiver(new NetworkStateChecker(), new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION)); 76 | 77 | //initializing views and objects 78 | db = new DatabaseHelper(this); 79 | names = new ArrayList<>(); 80 | 81 | buttonSave = (Button) findViewById(R.id.buttonSave); 82 | editTextName = (EditText) findViewById(R.id.editTextName); 83 | listViewNames = (ListView) findViewById(R.id.listViewNames); 84 | 85 | //adding click listener to button 86 | buttonSave.setOnClickListener(this); 87 | 88 | //calling the method to load all the stored names 89 | loadNames(); 90 | 91 | //the broadcast receiver to update sync status 92 | broadcastReceiver = new BroadcastReceiver() { 93 | @Override 94 | public void onReceive(Context context, Intent intent) { 95 | 96 | //loading the names again 97 | loadNames(); 98 | } 99 | }; 100 | 101 | //registering the broadcast receiver to update sync status 102 | registerReceiver(broadcastReceiver, new IntentFilter(DATA_SAVED_BROADCAST)); 103 | } 104 | 105 | /* 106 | * this method will 107 | * load the names from the database 108 | * with updated sync status 109 | * */ 110 | private void loadNames() { 111 | names.clear(); 112 | Cursor cursor = db.getNames(); 113 | if (cursor.moveToFirst()) { 114 | do { 115 | Name name = new Name( 116 | cursor.getString(cursor.getColumnIndex(DatabaseHelper.COLUMN_NAME)), 117 | cursor.getInt(cursor.getColumnIndex(DatabaseHelper.COLUMN_STATUS)) 118 | ); 119 | names.add(name); 120 | } while (cursor.moveToNext()); 121 | } 122 | 123 | nameAdapter = new NameAdapter(this, R.layout.names, names); 124 | listViewNames.setAdapter(nameAdapter); 125 | } 126 | 127 | /* 128 | * this method will simply refresh the list 129 | * */ 130 | private void refreshList() { 131 | nameAdapter.notifyDataSetChanged(); 132 | } 133 | 134 | /* 135 | * this method is saving the name to ther server 136 | * */ 137 | private void saveNameToServer() { 138 | final ProgressDialog progressDialog = new ProgressDialog(this); 139 | progressDialog.setMessage("Saving Name..."); 140 | progressDialog.show(); 141 | 142 | final String name = editTextName.getText().toString().trim(); 143 | 144 | StringRequest stringRequest = new StringRequest(Request.Method.POST, URL_SAVE_NAME, 145 | new Response.Listener() { 146 | @Override 147 | public void onResponse(String response) { 148 | progressDialog.dismiss(); 149 | try { 150 | JSONObject obj = new JSONObject(response); 151 | if (!obj.getBoolean("error")) { 152 | //if there is a success 153 | //storing the name to sqlite with status synced 154 | saveNameToLocalStorage(name, NAME_SYNCED_WITH_SERVER); 155 | } else { 156 | //if there is some error 157 | //saving the name to sqlite with status unsynced 158 | saveNameToLocalStorage(name, NAME_NOT_SYNCED_WITH_SERVER); 159 | } 160 | } catch (JSONException e) { 161 | e.printStackTrace(); 162 | } 163 | } 164 | }, 165 | new Response.ErrorListener() { 166 | @Override 167 | public void onErrorResponse(VolleyError error) { 168 | progressDialog.dismiss(); 169 | //on error storing the name to sqlite with status unsynced 170 | saveNameToLocalStorage(name, NAME_NOT_SYNCED_WITH_SERVER); 171 | } 172 | }) { 173 | @Override 174 | protected Map getParams() throws AuthFailureError { 175 | Map params = new HashMap<>(); 176 | params.put("name", name); 177 | return params; 178 | } 179 | }; 180 | 181 | VolleySingleton.getInstance(this).addToRequestQueue(stringRequest); 182 | } 183 | 184 | //saving the name to local storage 185 | private void saveNameToLocalStorage(String name, int status) { 186 | editTextName.setText(""); 187 | db.addName(name, status); 188 | Name n = new Name(name, status); 189 | names.add(n); 190 | refreshList(); 191 | } 192 | 193 | @Override 194 | public void onClick(View view) { 195 | saveNameToServer(); 196 | } 197 | } 198 | -------------------------------------------------------------------------------- /app/src/main/java/net/simplifiedcoding/androidmysqlsync/Name.java: -------------------------------------------------------------------------------- 1 | package net.simplifiedcoding.androidmysqlsync; 2 | 3 | /** 4 | * Created by Belal on 1/27/2017. 5 | */ 6 | 7 | public class Name { 8 | private String name; 9 | private int status; 10 | 11 | public Name(String name, int status) { 12 | this.name = name; 13 | this.status = status; 14 | } 15 | 16 | public String getName() { 17 | return name; 18 | } 19 | 20 | public int getStatus() { 21 | return status; 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /app/src/main/java/net/simplifiedcoding/androidmysqlsync/NameAdapter.java: -------------------------------------------------------------------------------- 1 | package net.simplifiedcoding.androidmysqlsync; 2 | 3 | import android.content.Context; 4 | import android.view.LayoutInflater; 5 | import android.view.View; 6 | import android.view.ViewGroup; 7 | import android.widget.ArrayAdapter; 8 | import android.widget.ImageView; 9 | import android.widget.TextView; 10 | 11 | import java.util.List; 12 | 13 | /** 14 | * Created by Belal on 1/27/2017. 15 | */ 16 | 17 | public class NameAdapter extends ArrayAdapter { 18 | 19 | //storing all the names in the list 20 | private List names; 21 | 22 | //context object 23 | private Context context; 24 | 25 | //constructor 26 | public NameAdapter(Context context, int resource, List names) { 27 | super(context, resource, names); 28 | this.context = context; 29 | this.names = names; 30 | } 31 | 32 | @Override 33 | public View getView(int position, View convertView, ViewGroup parent) { 34 | 35 | //getting the layoutinflater 36 | LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 37 | 38 | //getting listview itmes 39 | View listViewItem = inflater.inflate(R.layout.names, null, true); 40 | TextView textViewName = (TextView) listViewItem.findViewById(R.id.textViewName); 41 | ImageView imageViewStatus = (ImageView) listViewItem.findViewById(R.id.imageViewStatus); 42 | 43 | //getting the current name 44 | Name name = names.get(position); 45 | 46 | //setting the name to textview 47 | textViewName.setText(name.getName()); 48 | 49 | //if the synced status is 0 displaying 50 | //queued icon 51 | //else displaying synced icon 52 | if (name.getStatus() == 0) 53 | imageViewStatus.setBackgroundResource(R.drawable.stopwatch); 54 | else 55 | imageViewStatus.setBackgroundResource(R.drawable.success); 56 | 57 | return listViewItem; 58 | } 59 | } 60 | -------------------------------------------------------------------------------- /app/src/main/java/net/simplifiedcoding/androidmysqlsync/NetworkStateChecker.java: -------------------------------------------------------------------------------- 1 | package net.simplifiedcoding.androidmysqlsync; 2 | 3 | import android.content.BroadcastReceiver; 4 | import android.content.Context; 5 | import android.content.Intent; 6 | import android.database.Cursor; 7 | import android.net.ConnectivityManager; 8 | import android.net.NetworkInfo; 9 | 10 | import com.android.volley.AuthFailureError; 11 | import com.android.volley.Request; 12 | import com.android.volley.Response; 13 | import com.android.volley.VolleyError; 14 | import com.android.volley.toolbox.StringRequest; 15 | 16 | import org.json.JSONException; 17 | import org.json.JSONObject; 18 | 19 | import java.util.HashMap; 20 | import java.util.Map; 21 | 22 | /** 23 | * Created by Belal on 1/27/2017. 24 | */ 25 | 26 | public class NetworkStateChecker extends BroadcastReceiver { 27 | 28 | //context and database helper object 29 | private Context context; 30 | private DatabaseHelper db; 31 | 32 | 33 | @Override 34 | public void onReceive(Context context, Intent intent) { 35 | 36 | this.context = context; 37 | 38 | db = new DatabaseHelper(context); 39 | 40 | ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); 41 | NetworkInfo activeNetwork = cm.getActiveNetworkInfo(); 42 | 43 | //if there is a network 44 | if (activeNetwork != null) { 45 | //if connected to wifi or mobile data plan 46 | if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI || activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) { 47 | 48 | //getting all the unsynced names 49 | Cursor cursor = db.getUnsyncedNames(); 50 | if (cursor.moveToFirst()) { 51 | do { 52 | //calling the method to save the unsynced name to MySQL 53 | saveName( 54 | cursor.getInt(cursor.getColumnIndex(DatabaseHelper.COLUMN_ID)), 55 | cursor.getString(cursor.getColumnIndex(DatabaseHelper.COLUMN_NAME)) 56 | ); 57 | } while (cursor.moveToNext()); 58 | } 59 | } 60 | } 61 | } 62 | 63 | /* 64 | * method taking two arguments 65 | * name that is to be saved and id of the name from SQLite 66 | * if the name is successfully sent 67 | * we will update the status as synced in SQLite 68 | * */ 69 | private void saveName(final int id, final String name) { 70 | StringRequest stringRequest = new StringRequest(Request.Method.POST, MainActivity.URL_SAVE_NAME, 71 | new Response.Listener() { 72 | @Override 73 | public void onResponse(String response) { 74 | try { 75 | JSONObject obj = new JSONObject(response); 76 | if (!obj.getBoolean("error")) { 77 | //updating the status in sqlite 78 | db.updateNameStatus(id, MainActivity.NAME_SYNCED_WITH_SERVER); 79 | 80 | //sending the broadcast to refresh the list 81 | context.sendBroadcast(new Intent(MainActivity.DATA_SAVED_BROADCAST)); 82 | } 83 | } catch (JSONException e) { 84 | e.printStackTrace(); 85 | } 86 | } 87 | }, 88 | new Response.ErrorListener() { 89 | @Override 90 | public void onErrorResponse(VolleyError error) { 91 | 92 | } 93 | }) { 94 | @Override 95 | protected Map getParams() throws AuthFailureError { 96 | Map params = new HashMap<>(); 97 | params.put("name", name); 98 | return params; 99 | } 100 | }; 101 | 102 | VolleySingleton.getInstance(context).addToRequestQueue(stringRequest); 103 | } 104 | 105 | } 106 | -------------------------------------------------------------------------------- /app/src/main/java/net/simplifiedcoding/androidmysqlsync/VolleySingleton.java: -------------------------------------------------------------------------------- 1 | package net.simplifiedcoding.androidmysqlsync; 2 | 3 | import android.content.Context; 4 | import android.graphics.Bitmap; 5 | import android.support.v4.util.LruCache; 6 | 7 | import com.android.volley.Request; 8 | import com.android.volley.RequestQueue; 9 | import com.android.volley.toolbox.ImageLoader; 10 | import com.android.volley.toolbox.Volley; 11 | 12 | /** 13 | * Created by Belal on 21/09/16. 14 | */ 15 | public class VolleySingleton { 16 | 17 | private static VolleySingleton mInstance; 18 | private RequestQueue mRequestQueue; 19 | private static Context mCtx; 20 | 21 | private VolleySingleton(Context context) { 22 | mCtx = context; 23 | mRequestQueue = getRequestQueue(); 24 | 25 | } 26 | 27 | public static synchronized VolleySingleton getInstance(Context context) { 28 | if (mInstance == null) { 29 | mInstance = new VolleySingleton(context); 30 | } 31 | return mInstance; 32 | } 33 | 34 | public RequestQueue getRequestQueue() { 35 | if (mRequestQueue == null) { 36 | // getApplicationContext() is key, it keeps you from leaking the 37 | // Activity or BroadcastReceiver if someone passes one in. 38 | mRequestQueue = Volley.newRequestQueue(mCtx.getApplicationContext()); 39 | } 40 | return mRequestQueue; 41 | } 42 | 43 | public void addToRequestQueue(Request req) { 44 | getRequestQueue().add(req); 45 | } 46 | 47 | } 48 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/stopwatch.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/probelalkhan/android-sqlite-mysql-sync-example/d34253d30dbab5a9aef423d711be0df9e7b73535/app/src/main/res/drawable/stopwatch.png -------------------------------------------------------------------------------- /app/src/main/res/drawable/success.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/probelalkhan/android-sqlite-mysql-sync-example/d34253d30dbab5a9aef423d711be0df9e7b73535/app/src/main/res/drawable/success.png -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 13 | 14 | 18 | 19 | 25 | 26 |