added loading screen

Author: sowmen

app/build.gradle

@@ -58,4 +58,6 @@ dependencies {
  implementation 'com.github.QuadFlask:colorpicker:0.0.13'
 
  implementation 'com.google.code.gson:gson:2.8.6'
+
+ implementation 'com.pnikosis:materialish-progress:1.7'
 }

app/src/main/java/com/example/chatfull/ChatActivity.java

@@ -91,7 +91,7 @@ public class ChatActivity extends AppCompatActivity
  int[] colors;
 
  List<Message> messageArrayList;
- boolean saved = false, loaded = false;
+ boolean saved = false, loaded = false, offline = false;
 
  @Override
  protected void onCreate(Bundle savedInstanceState) {
@@ -128,8 +128,6 @@ public void loadImage(ImageView imageView, @Nullable String url, @Nullable Objec
  .asBitmap()
  .load(byteArray)
  .error(R.drawable.baseline_insert_drive_file_24)
- .thumbnail(0.25f)
- .sizeMultiplier(.60f)
  .into(imageView);
  }
  };
@@ -433,6 +431,7 @@ public void stopSender() {
  public void setMessage(final Message msg) {
  Log.e("IN_SET", msg.toString());
  if (msg.isOffline()) {
+ offline = true;
  if (sender != null)
  sender.cancel(true);
  if (messageReceiveServer != null)
@@ -507,14 +506,16 @@ public void onBackPressed() {
  saved = true;
  }
  loaded = false;
- Message message = new Message(Integer.toString(++cnt), MainActivity.me, null);
- message.setOffline(true);
- sender = new SendMessage(user.getIpAddress(), user.getPort(), message, this);
- sender.execute();
- try {
- Thread.sleep(500);
- } catch (InterruptedException e) {
- e.printStackTrace();
+ if(offline == false) {
+ Message message = new Message(Integer.toString(++cnt), MainActivity.me, null);
+ message.setOffline(true);
+ sender = new SendMessage(user.getIpAddress(), user.getPort(), message, this);
+ sender.execute();
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
  }
  super.onBackPressed();
  if (sender != null && !sender.isCancelled())
@@ -615,4 +616,5 @@ public static <T> List<T> removeDuplicates(List<T> list)
  }
  return newList;
  }
+
 }

app/src/main/java/com/example/chatfull/Client.java

@@ -2,6 +2,7 @@
 
 import android.os.AsyncTask;
 import android.util.Log;
+import android.view.View;
 import android.widget.Toast;
 
 import java.io.BufferedReader;
@@ -74,6 +75,7 @@ protected void onPostExecute(String result) {
  activity.runOnUiThread(new Runnable() {
  @Override
  public void run() {
+ activity.progressOverlay.setVisibility(View.INVISIBLE);
  Toast.makeText(activity.getApplicationContext(), serverResponse, Toast.LENGTH_LONG).show();
  }
  });

app/src/main/java/com/example/chatfull/ConnectToUserActivity.java

@@ -4,8 +4,10 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.FrameLayout;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
@@ -14,21 +16,25 @@
 import androidx.fragment.app.FragmentTransaction;
 
 import com.google.android.gms.vision.barcode.Barcode;
+import com.google.android.material.snackbar.Snackbar;
 import com.notbytes.barcode_reader.BarcodeReaderActivity;
 
-public class ConnectToUserActivity extends AppCompatActivity {
+public class ConnectToUserActivity extends AppCompatActivity{
 
  private static final int BARCODE_READER_ACTIVITY_REQUEST = 1208;
 
  private EditText ipInput, portInput;
  private Button connectBtn, scanBtn;
  private Client myClient;
  private User user;
+ FrameLayout progressOverlay;
 
  public void setUser(User user) {
  this.user = user;
  Intent intent = new Intent(getApplicationContext(), ChatActivity.class);
  intent.putExtra("user", myClient.user);
+
+ progressOverlay.setVisibility(View.INVISIBLE);
  startActivity(intent);
  }
 
@@ -41,11 +47,14 @@ protected void onCreate(Bundle savedInstanceState) {
  portInput = findViewById(R.id.portInput);
  connectBtn = findViewById(R.id.connectBtn);
  scanBtn = findViewById(R.id.scan_button);
+ progressOverlay = findViewById(R.id.progress_overlay);
+
  }
 
  @Override
  protected void onResume() {
  super.onResume();
+ progressOverlay.setVisibility(View.INVISIBLE);
  if (myClient != null && !myClient.isCancelled())
  myClient.cancel(true);
  }
@@ -65,6 +74,16 @@ protected void onDestroy() {
  }
 
  public void connectBtnListener(View view) {
+ if(portInput.getText().length() < 2 || ipInput.getText().length() < 2){
+ Snackbar snackbar = Snackbar
+ .make(ipInput, "Please Enter Valid IP Address and/or Port number.", Snackbar.LENGTH_LONG);
+ snackbar.show();
+ return;
+ }
+
+ InputMethodManager imm = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE);
+ imm.hideSoftInputFromWindow(portInput.getWindowToken(), 0);
+ progressOverlay.setVisibility(View.VISIBLE);
  myClient = new Client(ipInput.getText().toString(), Integer.parseInt(portInput.getText().toString()), this);
  myClient.execute();
  }

app/src/main/java/com/example/chatfull/MessageReceiveServer.java

@@ -2,9 +2,7 @@
 
 import android.util.Log;
 
-import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
 import java.io.ObjectInputStream;
 import java.net.ServerSocket;
 import java.net.Socket;

app/src/main/java/com/example/chatfull/SendMessage.java

@@ -3,6 +3,8 @@
 import android.os.AsyncTask;
 import android.util.Log;
 
+import com.google.android.material.snackbar.Snackbar;
+
 import java.io.ObjectOutputStream;
 import java.net.Socket;
 
@@ -28,10 +30,26 @@ protected String doInBackground(Void... arg0) {
  Log.e("SEND_MSG", "Connected, Sending: " + message.getText());
 
  if (clientSocket != null) {
+ final Snackbar snackbar = Snackbar.make(activity.btnSend, "Uploading... Socket is busy, Please Wait", Snackbar.LENGTH_INDEFINITE);
+ if(message.isFile() || message.isImage()){
+ activity.runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ snackbar.show();
+ }
+ });
+ }
  ObjectOutputStream out = new ObjectOutputStream(clientSocket.getOutputStream());
  out.writeObject(message);
  out.flush();
 
+ activity.runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ if(snackbar.isShown()) snackbar.dismiss();
+ }
+ });
+
  Log.e("SEND_MSG", "DONE: " + message.getText());
  activity.stopSender();
  }

app/src/main/res/layout/activity_connect_to_user.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+
  xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
@@ -10,7 +11,7 @@
  android:background="@drawable/background_gradient"
  >
 
-
+ <include layout="@layout/include_progress_overlay"/>
  <EditText
  android:id="@+id/ipInput"
  android:layout_width="265dp"
@@ -97,4 +98,6 @@
  app:layout_constraintEnd_toEndOf="parent"
  app:layout_constraintHorizontal_bias="0.497"
  app:layout_constraintStart_toStartOf="parent" />
+
+
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_main.xml

@@ -69,18 +69,22 @@
  android:layout_width="277dp"
  android:layout_height="45dp"
  android:layout_marginStart="8dp"
+ android:layout_marginTop="8dp"
  android:layout_marginEnd="8dp"
  android:layout_marginBottom="16dp"
  android:background="@drawable/buttonshape"
  android:elevation="10dp"
- android:fontFamily="@font/moon_bold"
 
+ android:fontFamily="@font/moon_bold"
  android:text="Enter Ip : port"
  android:textColor="#FFFFFF"
  android:textSize="15sp"
  app:layout_constraintBottom_toTopOf="@+id/showInfo"
  app:layout_constraintEnd_toEndOf="parent"
- app:layout_constraintStart_toStartOf="parent" />
+ app:layout_constraintHorizontal_bias="0.508"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintTop_toBottomOf="@+id/nameInput"
+ app:layout_constraintVertical_bias="1.0" />
 
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/include_progress_overlay.xml

@@ -0,0 +1,36 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:wheel="http://schemas.android.com/apk/res-auto"
+ android:id="@+id/progress_overlay"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:alpha="0.4"
+ android:animateLayoutChanges="true"
+ android:background="#000000"
+ android:clickable="true"
+ android:focusable="true"
+ android:visibility="gone"
+ android:elevation="50dp">
+
+ <com.pnikosis.materialishprogress.ProgressWheel
+ android:id="@+id/progress_wheel"
+ android:layout_width="80dp"
+ android:layout_height="80dp"
+ android:clickable="true"
+ android:layout_gravity="center"
+ wheel:matProg_barColor="#457CFF"
+ wheel:matProg_progressIndeterminate="true"
+ android:layout_marginBottom="30dp"
+ wheel:matProg_fillRadius="false"
+ />
+ <TextView
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="Connecting..."
+ android:fontFamily="@font/moon_light"
+ android:textSize="20sp"
+ android:layout_gravity="center"
+ android:layout_marginTop="20dp"
+ android:textColor="#FFFFFF"
+ />
+
+</FrameLayout>

app/src/main/res/values/attrs.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+</resources>