stringArrayList.add("What is Noise?"); stringArrayList.add("Analog Communication - Transmitters"); stringArrayList.add("Analog Communication - Receivers"); stringArrayList.add("Analog Communication - Sampling"); stringArrayList.add("Analog Communication - Pulse Modulation"); stringArrayList.add("Analog Communication - Transducers"); stringArrayList.add("What is Modulation?"); stringArrayList.add("Digital Modulation Techniques"); stringArrayList.add("Analyzing Signals"); stringArrayList.add("Amplitude Modulation"); stringArrayList.add("Sideband Modulation"); stringArrayList.add("Evolution and Description of SSB techniques"); stringArrayList.add("Difference Between Analog and Digital Communication"); stringArrayList.add("Amplitude Shift Keying"); stringArrayList.add("Frequency Shift Keying"); stringArrayList.add("Digital Communication - Phase Shift Keying"); stringArrayList.add("Quadrature Phase Shift Keying"); stringArrayList.add("Differential Phase Shift Keying"); stringArrayList.add("What is QAM: quadrature amplitude modulation"); stringArrayList.add("QAM Theory and Formulas"); stringArrayList.add("QAM Formats: 8-QAM, 16-QAM, 32-QAM, 64-QAM, 128-QAM, 256-QAM"); stringArrayList.add("Pulse Code Modulation"); stringArrayList.add("History of Data Communications"); stringArrayList.add("Data Communication Circuits, Data Communication Codes"); stringArrayList.add("Error Detection and Correction Techniques"); stringArrayList.add("Pulse Communication"); stringArrayList.add("Entropy, Source Encoding Theorem"); stringArrayList.add("Pulse Amplitude Modulation"); stringArrayList.add("Pulse Code Modulation"); stringArrayList.add("Difference Between PAM, PWM and PPM"); stringArrayList.add("Digital Communication - Error Control Coding"); stringArrayList.add("Shannon-Fano Algorithm for Data Compression"); stringArrayList.add("Huffmann Coding Techniques"); stringArrayList.add("Mutual Information"); stringArrayList.add("Channel Capacity theorem");













if (selected.equals("What is Noise?")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Analog Communication - Transmitters")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Analog Communication - Receivers")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Analog Communication - Sampling")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Analog Communication - Pulse Modulation")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Analog Communication - Transducers")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("What is Modulation?")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Digital Modulation Techniques")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Analyzing Signals")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Amplitude Modulation")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Sideband Modulation")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Evolution and Description of SSB techniques")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Difference Between Analog and Digital Communication")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Amplitude Shift Keying")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Frequency Shift Keying")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Digital Communication - Phase Shift Keying")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Quadrature Phase Shift Keying")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Differential Phase Shift Keying")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("What is QAM: quadrature amplitude modulation")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("QAM Theory and Formulas")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("QAM Formats: 8-QAM, 16-QAM, 32-QAM, 64-QAM, 128-QAM, 256-QAM")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Pulse Code Modulation")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("History of Data Communications")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Data Communication Circuits, Data Communication Codes")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Error Detection and Correction Techniques")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Pulse Communication")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Entropy, Source Encoding Theorem")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Pulse Amplitude Modulation")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Pulse Code Modulation")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Difference Between PAM, PWM and PPM")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Digital Communication - Error Control Coding")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Shannon-Fano Algorithm for Data Compression")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Huffmann Coding Techniques")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Mutual Information")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); } if (selected.equals("Channel Capacity theorem")) {                     Intent i = new Intent(MainActivity.this, DetailActivity.class);                     i.putExtra("id", position);                     i.putExtra("url", "file:///android_asset/.htm");                      i.putExtra("value", adapter.getItem(position));  startActivity(i); }