package com.speedyapps.keepyousafe; import android.Manifest; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.content.pm.PackageManager; import android.location.Location; import android.os.Build; import android.support.annotation.MainThread; import android.support.annotation.RequiresApi; import android.support.v4.content.ContextCompat; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.support.v7.widget.Toolbar; import android.telephony.SmsManager; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.Window; import android.widget.ImageButton; import android.widget.TextView; import android.widget.Toast; import java.util.ArrayList; import java.util.List; public class MainActivity extends AppCompatActivity { Intent intent; int choice; MapsActivity maps ; SharedPreferences firsttime,settings; private static final int REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS = 291; int backCount=0; @RequiresApi(api = Build.VERSION_CODES.M) @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); maps=new MapsActivity(); Intent power_service = new Intent(MainActivity.this,PowerButtonReceiver.class); startService(power_service); firsttime = this.getSharedPreferences("firsttimecheck",MODE_PRIVATE); SharedPreferences.Editor editor = firsttime.edit(); settings=getSharedPreferences("settings",MODE_PRIVATE); String checkString = firsttime.getString("status","false"); if(!checkString.equals("true")){ editor.putString("status","true"); editor.apply(); editor.commit(); settings.edit().putString("PIN","2020").commit(); settings.edit().putString("alarm","on"); Intent welcome = new Intent(MainActivity.this,Welcome_Activity.class); startActivity(welcome); finish(); } requestPermissionsApp(); intent = new Intent(MainActivity.this,confirmationScreen.class); choice=0; //Intent serviceIntent = new Intent(MainActivity.this,SMSReader.class); //startService(serviceIntent); ImageButton help = (ImageButton)findViewById(R.id.helpButton); help.setOnLongClickListener(new View.OnLongClickListener(){ public boolean onLongClick(View v){ intent.putExtra("context","0"); backCount=0; startActivity(intent); finish(); return true; } }); } @Override public void onBackPressed() { Toast.makeText(this, "Press Back Button One More Time To Exit Application!!", Toast.LENGTH_SHORT).show(); if(backCount==1){ finish(); } backCount=(backCount+1)%2; } @RequiresApi(api = Build.VERSION_CODES.M) void requestPermissionsApp(){ List<String> permissionsNeeded = new ArrayList<String>(); final List<String> permissionsList = new ArrayList<String>(); permissionsList.clear(); permissionsNeeded.clear(); if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_CONTACTS)!= PackageManager.PERMISSION_GRANTED) { permissionsList.add(Manifest.permission.READ_CONTACTS); permissionsNeeded.add("Read Contacts"); } if (ContextCompat.checkSelfPermission(MainActivity.this,Manifest.permission.SEND_SMS)!=PackageManager.PERMISSION_GRANTED) { permissionsList.add(Manifest.permission.SEND_SMS); permissionsList.add(Manifest.permission.RECEIVE_SMS); permissionsList.add(Manifest.permission.READ_SMS); permissionsList.add(Manifest.permission.ACCESS_FINE_LOCATION); permissionsList.add(Manifest.permission.ACCESS_COARSE_LOCATION); permissionsNeeded.add("Send SMS"); permissionsNeeded.add("Receive SMS"); permissionsNeeded.add("Read SMS"); permissionsList.add("Get GPS"); } if (permissionsList.size() > 0) { if (permissionsNeeded.size() > 0) { String message = "You need to grant access to " + permissionsNeeded.get(0); for (int i = 1; i < permissionsNeeded.size(); i++) message = message + ", " + permissionsNeeded.get(i); showMessageOKCancel(message, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { requestPermissions(permissionsList.toArray(new String[permissionsList.size()]),REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS); } }); return; } requestPermissions(permissionsList.toArray(new String[permissionsList.size()]), REQUEST_CODE_ASK_MULTIPLE_PERMISSIONS); return; } // requestPermissionsApp(); } private void showMessageOKCancel(String message, DialogInterface.OnClickListener okListener) { new AlertDialog.Builder(MainActivity.this) .setMessage(message) .setPositiveButton("OK", okListener) .setNegativeButton("Cancel", null) .create() .show(); } @Override protected void onPause() { super.onPause(); } @Override protected void onResume() { super.onResume(); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.mainmenu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.settings: //your code here Intent tempSettings= new Intent(this,Settings.class); startActivity(tempSettings); finish(); return true; case R.id.contacts: backCount=0; Intent i=new Intent(this,ContactSelection.class); startActivity(i); finish(); return true; default: return super.onOptionsItemSelected(item); } } }