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package com.vernu.sms.activities;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import android.Manifest;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.Switch;
import android.widget.Toast;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.android.material.snackbar.Snackbar;
import com.google.firebase.messaging.FirebaseMessaging;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import com.vernu.sms.services.GatewayApiService;
import com.vernu.sms.R;
import com.vernu.sms.dtos.RegisterDeviceInputDTO;
import com.vernu.sms.dtos.RegisterDeviceResponseDTO;
import com.vernu.sms.helpers.SharedPreferenceHelper;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class MainActivity extends AppCompatActivity {
private Context mContext;
private Retrofit retrofit;
private GatewayApiService gatewayApiService;
private Switch gatewaySwitch;
private EditText apiKeyEditText, fcmTokenEditText;
private Button registerDeviceBtn, grantSMSPermissionBtn, scanQRBtn;
private static final int SEND_SMS_PERMISSION_REQUEST_CODE = 0;
private static final int SCAN_QR_REQUEST_CODE = 49374;
private static final String API_BASE_URL = "https://vernu-sms.herokuapp.com/api/v1/";
private String deviceId = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mContext = getApplicationContext();
retrofit = new Retrofit.Builder()
.baseUrl(API_BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.build();
gatewayApiService = retrofit.create(GatewayApiService.class);
deviceId = SharedPreferenceHelper.getSharedPreferenceString(mContext, "DEVICE_ID", "");
setContentView(R.layout.activity_main);
gatewaySwitch = findViewById(R.id.gatewaySwitch);
apiKeyEditText = findViewById(R.id.apiKeyEditText);
fcmTokenEditText = findViewById(R.id.fcmTokenEditText);
registerDeviceBtn = findViewById(R.id.registerDeviceBtn);
grantSMSPermissionBtn = findViewById(R.id.grantSMSPermissionBtn);
scanQRBtn = findViewById(R.id.scanQRButton);
if (isSMSPermissionGranted(mContext)) {
grantSMSPermissionBtn.setEnabled(false);
grantSMSPermissionBtn.setText("SMS Permission Granted");
} else {
grantSMSPermissionBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
handleSMSRequestPermission(view);
}
});
}
apiKeyEditText.setText(SharedPreferenceHelper.getSharedPreferenceString(mContext, "API_KEY", ""));
gatewaySwitch.setChecked(SharedPreferenceHelper.getSharedPreferenceBoolean(mContext, "GATEWAY_ENABLED", false));
gatewaySwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean isCheked) {
View view = compoundButton.getRootView();
compoundButton.setEnabled(false);
String key = apiKeyEditText.getText().toString();
RegisterDeviceInputDTO registerDeviceInput = new RegisterDeviceInputDTO();
registerDeviceInput.setEnabled(isCheked);
Call<RegisterDeviceResponseDTO> apiCall = gatewayApiService.updateDevice(deviceId, key, registerDeviceInput);
apiCall.enqueue(new Callback<RegisterDeviceResponseDTO>() {
@Override
public void onResponse(Call<RegisterDeviceResponseDTO> call, Response<RegisterDeviceResponseDTO> response) {
if (response.isSuccessful()) {
SharedPreferenceHelper.setSharedPreferenceBoolean(mContext, "GATEWAY_ENABLED", isCheked);
Snackbar.make(view, "Gateway " + (isCheked ? "enabled" : "disabled"), Snackbar.LENGTH_LONG).show();
} else {
Snackbar.make(view, response.message(), Snackbar.LENGTH_LONG).show();
}
compoundButton.setEnabled(true);
}
@Override
public void onFailure(Call<RegisterDeviceResponseDTO> call, Throwable t) {
Snackbar.make(view, "An error occured :(", Snackbar.LENGTH_LONG).show();
compoundButton.setEnabled(true);
}
});
}
});
registerDeviceBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
handleRegisterDevice();
}
});
scanQRBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
IntentIntegrator intentIntegrator = new IntentIntegrator(MainActivity.this);
intentIntegrator.setPrompt("Go to vernu-sms.vercel.app/dashboard and click Register Device to generate QR Code");
intentIntegrator.setRequestCode(SCAN_QR_REQUEST_CODE);
intentIntegrator.initiateScan();
}
});
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case SEND_SMS_PERMISSION_REQUEST_CODE: {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(mContext, "Yay! Permission Granted.", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(mContext, "Permission Denied :(", Toast.LENGTH_LONG).show();
return;
}
}
}
}
private void handleRegisterDevice() {
String newKey = apiKeyEditText.getText().toString();
registerDeviceBtn.setEnabled(false);
registerDeviceBtn.setText("Loading...");
View view = findViewById(R.id.registerDeviceBtn);
FirebaseMessaging.getInstance().getToken()
.addOnCompleteListener(new OnCompleteListener<String>() {
@Override
public void onComplete(@NonNull Task<String> task) {
if (!task.isSuccessful()) {
Snackbar.make(view, "Failed to obtain FCM Token :(", Snackbar.LENGTH_LONG).show();
registerDeviceBtn.setEnabled(true);
registerDeviceBtn.setText("Update");
return;
}
String token = task.getResult();
fcmTokenEditText.setText(token);
RegisterDeviceInputDTO registerDeviceInput = new RegisterDeviceInputDTO();
registerDeviceInput.setEnabled(true);
registerDeviceInput.setFcmToken(token);
registerDeviceInput.setBrand(Build.BRAND);
registerDeviceInput.setManufacturer(Build.MANUFACTURER);
registerDeviceInput.setModel(Build.MODEL);
registerDeviceInput.setBuildId(Build.ID);
registerDeviceInput.setOs(Build.VERSION.BASE_OS);
Call<RegisterDeviceResponseDTO> apiCall = gatewayApiService.registerDevice(newKey, registerDeviceInput);
apiCall.enqueue(new Callback<RegisterDeviceResponseDTO>() {
@Override
public void onResponse(Call<RegisterDeviceResponseDTO> call, Response<RegisterDeviceResponseDTO> response) {
if (response.isSuccessful()) {
SharedPreferenceHelper.setSharedPreferenceString(mContext, "API_KEY", newKey);
Log.e("API_RESP", response.toString());
Snackbar.make(view, "Device Registration Successful :)", Snackbar.LENGTH_LONG).show();
SharedPreferenceHelper.setSharedPreferenceString(mContext, "DEVICE_ID", response.body().data.get("_id").toString());
} else {
Snackbar.make(view, response.message(), Snackbar.LENGTH_LONG).show();
}
registerDeviceBtn.setEnabled(true);
registerDeviceBtn.setText("Update");
}
@Override
public void onFailure(Call<RegisterDeviceResponseDTO> call, Throwable t) {
Snackbar.make(view, "An error occured :(", Snackbar.LENGTH_LONG).show();
registerDeviceBtn.setEnabled(true);
registerDeviceBtn.setText("Update");
}
});
}
});
}
private void handleSMSRequestPermission(View view) {
if (isSMSPermissionGranted(mContext)) {
Snackbar.make(view, "Already got permissions", Snackbar.LENGTH_SHORT).show();
} else {
if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this, Manifest.permission.SEND_SMS)) {
Snackbar.make(view, "PERMISSION DENIED, Pls grant SMS Permission in app settings", Snackbar.LENGTH_SHORT).show();
} else {
Snackbar.make(view, "Grant SMS Permissions to continue", Snackbar.LENGTH_SHORT).show();
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{Manifest.permission.SEND_SMS},
SEND_SMS_PERMISSION_REQUEST_CODE);
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == SCAN_QR_REQUEST_CODE) {
IntentResult intentResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
if (intentResult != null) {
if (intentResult.getContents() == null) {
Toast.makeText(getBaseContext(), "Canceled", Toast.LENGTH_SHORT).show();
} else {
String scannedQR = intentResult.getContents();
apiKeyEditText.setText(scannedQR);
handleRegisterDevice();
}
}
}
}
private boolean isSMSPermissionGranted(Context context) {
return ContextCompat.checkSelfPermission(context, Manifest.permission.SEND_SMS) == PackageManager.PERMISSION_GRANTED;
}
}