/**
* Created by user on 29-05-2018.
*/
package soundcom.scorelab.org.soundcom_lib;
import android.Manifest;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.media.AudioFormat;
import android.media.AudioRecord;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.support.annotation.DrawableRes;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.content.Context;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
public class Permission extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener, View.OnClickListener {
private static Transmitter transmitter;
private static Receiver receiver;
private static String modulation;
private static ImageView image;
private static String src;
private static double duration;
private static double sample_rate;
private static double symbol_size;
private static double sample_period;
private static int number_of_carriers;
private static MediaPlayer mediaplayer;
private static String recovered_string;
private static EditText mEdit;
private static Button gen;
private static FloatingActionButton fab_trans;
private static TextView recovered_textView;
private static String TAG = "PermissionDemo"; // Permissions to write to files
private static final int REQUEST_WRITE_STORAGE = 112;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_start);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
image = new ImageView(this);
image.setImageResource(R.drawable.transmit);
modulation = "FSK";
sample_rate = 44100.0;
symbol_size = 0.25;
sample_period = 1.0 / sample_rate;
duration = 36;//duration = src.length * 16 * symbol_size /7
number_of_carriers = 16;
requestWritePermissions();
requestRecordPermissions();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
}
public void test(){
setContentView(R.layout.activity_start);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
image = new ImageView(this);
image.setImageResource(R.drawable.transmit);
modulation = "FSK";
sample_rate = 44100.0;
symbol_size = 0.25;
sample_period = 1.0 / sample_rate;
duration = 36;//duration = src.length * 16 * symbol_size /7
number_of_carriers = 16;
requestWritePermissions();
requestRecordPermissions();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
}
//public void test(){System.out.println("Working");}
public void onClick(View v) {
if(v.getId()==R.id.generate) {
final Context context = getApplicationContext();
src = mEdit.getText().toString();
while (src.length() != 30) {
src += " ";
}
generate(context);
fab_trans.show();
}
}
public void requestRecordPermissions() {
int permission = ContextCompat.checkSelfPermission(this,
Manifest.permission.RECORD_AUDIO);
if (permission != PackageManager.PERMISSION_GRANTED) {
Log.i(TAG, "Permission to Record Audio denied");
if (ActivityCompat.shouldShowRequestPermissionRationale(this,
Manifest.permission.RECORD_AUDIO)) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Permission to Record Audio")
.setTitle("Permission required");
builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Log.i(TAG, "Clicked");
makeRecordRequest();
}
});
AlertDialog dialog = builder.create();
dialog.show();
} else {
makeRecordRequest();
}
}
}
protected void makeRecordRequest() {
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.RECORD_AUDIO},
REQUEST_WRITE_STORAGE);
}
public void requestWritePermissions() {
int permission = ContextCompat.checkSelfPermission(this,
Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permission != PackageManager.PERMISSION_GRANTED) {
Log.i(TAG, "Permission to record denied");
if (ActivityCompat.shouldShowRequestPermissionRationale(this,
Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Permission to access the SD-CARD is required for this app to Download PDF.")
.setTitle("Permission required");
builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Log.i(TAG, "Clicked");
makeWriteRequest();
}
});
AlertDialog dialog = builder.create();
dialog.show();
} else {
makeWriteRequest();
}
}
}
protected void makeWriteRequest() {
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
REQUEST_WRITE_STORAGE);
}
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
switch (requestCode) {
case REQUEST_WRITE_STORAGE: {
if (grantResults.length == 0
|| grantResults[0] !=
PackageManager.PERMISSION_GRANTED) {
Log.i(TAG, "Permission has been denied by user");
} else {
Log.i(TAG, "Permission has been granted by user");
}
return;
}
}
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.transmitter, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.receive) {
initReceive();
} else if (id == R.id.transmit) {
initTransmit();
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
public void initReceive() {
final Context context = getApplicationContext();
CharSequence text = "Receiver Mode Activated";
int duration = Toast.LENGTH_SHORT;
long free = Runtime.getRuntime().freeMemory();
Toast toast = Toast.makeText(context, text, duration);
toast.show();
setContentView(R.layout.activity_receiver);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
toggle.syncState();
recovered_textView = (TextView) findViewById(R.id.recovered);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
assert fab != null;
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Receiving Modulated Waveform", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
try {
record(context);
} catch (Exception e) {
e.printStackTrace();
}
}
});
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
navigationView.setCheckedItem(R.id.receive);
}
public void initTransmit() {
final Context context = getApplicationContext();
CharSequence text = "Transmitter Mode Activated";
int duration = Toast.LENGTH_SHORT;
long free = Runtime.getRuntime().freeMemory();
// generate(context);
Toast toast = Toast.makeText(context, text, duration);
toast.show();
setContentView(R.layout.activity_transmitter);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
navigationView.setCheckedItem(R.id.transmit);
gen = (Button) findViewById(R.id.generate);
gen.setOnClickListener(this);
mEdit = (EditText) findViewById(R.id.transmitString);
fab_trans = (FloatingActionButton) findViewById(R.id.fab);
fab_trans.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Transmitting Modulated Waveform", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
mediaplayer = new MediaPlayer();
String root = Environment.getExternalStorageDirectory().toString();
File dir = new File(root, "RedTooth");
if (!dir.exists()) {
dir.mkdir();
}
try {
mediaplayer.setDataSource(dir + File.separator + "FSK.wav");
mediaplayer.prepare();
mediaplayer.start();
} catch (Exception e) {
e.printStackTrace();
}
}
});
fab_trans.hide();
}
public void generate(final Context context) {
final ProgressDialog mProgressDialog = ProgressDialog.show(this, "Hold Tight", "Generating Modulation Data", true);
new Thread() {
@Override
public void run() {
transmitter = new Transmitter(modulation, src, sample_rate, symbol_size, sample_period, number_of_carriers, context);
System.out.println("Writing WavFile");
transmitter.writeAudio();
System.out.println("WaveFile Written. Thread waiting");
try {
// code runs in a thread
runOnUiThread(new Runnable() {
@Override
public void run() {
mProgressDialog.dismiss();
}
});
} catch (final Exception ex) {
}
}
}.start();
}
public void record(final Context context) {
final ProgressDialog mProgressDialog = ProgressDialog.show(this, "Hold Tight", "Recovering Signal", true);
new Thread() {
@Override
public void run() {
try {
long startTime = System.nanoTime();
receiver = new Receiver("recorded.wav", sample_rate, symbol_size, duration, number_of_carriers, context);
receiver.record();
receiver.demodulate();
recovered_string = "aaaa";
recovered_string = receiver.getRecoverd_string();
long endTime = System.nanoTime();
long duration = (endTime - startTime) / 1000000;
System.out.println("Time taken for Reception: " + duration + "ms");
// final TextView textViewToChange = (TextView) findViewById(R.id.recovered);
// textViewToChange.setText(recovered);
} catch (Exception e) {
e.printStackTrace();
}
try {
// code runs in a thread
runOnUiThread(new Runnable() {
@Override
public void run() {
mProgressDialog.dismiss();
if(recovered_string.equals("-1")){
recovered_string = " ";
CharSequence text = "Never caught that \uD83D\uDE22 \nPlease Could You Retransmit";
int duration = Toast.LENGTH_LONG;
Toast toast = Toast.makeText(context, text, duration);
toast.show();
}
recovered_textView.setText(" " + recovered_string + " ");
}
});
} catch (final Exception ex) {
}
}
}.start();
}
}
