stringArrayList.add("What is an Electric Circuit?"); stringArrayList.add("Types of Electrical Circuits"); stringArrayList.add("Ohm’s Law"); stringArrayList.add("Kirchhoff’s laws of electric circuits"); stringArrayList.add("INSTANTANEOUS POWER"); stringArrayList.add("What is an Inductor?"); stringArrayList.add("What is a capacitor?"); stringArrayList.add("Dependent And Independent Sources"); stringArrayList.add("Steady State Solution of DC Circuits"); stringArrayList.add("Nodal Analysis"); stringArrayList.add("Mesh Analysis"); stringArrayList.add("Thevenin’s Theorem"); stringArrayList.add("Norton’s Theorem"); stringArrayList.add("Maximum Power Transfer Theorem"); stringArrayList.add("AC Circuits"); stringArrayList.add("RMS Voltage of AC Waveform"); stringArrayList.add("Power Triangle and Power Factor"); stringArrayList.add("Circuit Analysis of 3 Phase System – Balanced Condition"); stringArrayList.add("Alternating Current (AC) Home Wiring"); stringArrayList.add("DC Machine"); stringArrayList.add("Synchronous Machine"); stringArrayList.add("Classification of electric materials"); stringArrayList.add("Extrinsic semiconductors"); stringArrayList.add("P-N junction semiconductor diode"); stringArrayList.add("Forward Bias and Reverse Bias"); stringArrayList.add("Bipolar Junction Transistors (BJT)"); stringArrayList.add("Field Effect Transistors"); stringArrayList.add("Transistor Biasing"); stringArrayList.add("Operational Amplifier Basics"); stringArrayList.add("Inverting & Non-Inverting Amplifier"); stringArrayList.add("Digital to Analog Converters"); stringArrayList.add("Analog to Digital Converter"); stringArrayList.add("What is a Transducer?"); stringArrayList.add("Types of Transducer"); stringArrayList.add("Hall Effect"); stringArrayList.add("Classification of measuring instruments"); stringArrayList.add("What Is a Multimeter?"); stringArrayList.add("What is an Oscilloscope"); if (selected.equals("What is an Electric Circuit?")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/1.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Types of Electrical Circuits")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/2.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Ohm’s Law")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/3.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Kirchhoff’s laws of electric circuits")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/4.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("INSTANTANEOUS POWER")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/5.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("What is an Inductor?")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/6.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("What is a capacitor?")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/7.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Dependent And Independent Sources")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/8.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Steady State Solution of DC Circuits")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/9.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Nodal Analysis")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/10.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Mesh Analysis")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/11.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Thevenin’s Theorem")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/12.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Norton’s Theorem")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/13.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Maximum Power Transfer Theorem")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/14.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("AC Circuits")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/15.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("RMS Voltage of AC Waveform")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/16.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Power Triangle and Power Factor")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/17.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Circuit Analysis of 3 Phase System – Balanced Condition")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/18.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Alternating Current (AC) Home Wiring")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/19.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("DC Machine")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/20.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Synchronous Machine")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/21.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Classification of electric materials")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/22.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Extrinsic semiconductors")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/23.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("P-N junction semiconductor diode")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/24.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Forward Bias and Reverse Bias")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/25.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Bipolar Junction Transistors (BJT)")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/26.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Field Effect Transistors")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/27.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Transistor Biasing")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/28.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Operational Amplifier Basics")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/29.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Inverting & Non-Inverting Amplifier")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/30.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Digital to Analog Converters")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/31.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Analog to Digital Converter")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/32.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("What is a Transducer?")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/33.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Types of Transducer")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/34.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Hall Effect")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/35.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("Classification of measuring instruments")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/36.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("What Is a Multimeter?")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/37.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); } if (selected.equals("What is an Oscilloscope")) { Intent i = new Intent(MainActivity.this, DetailActivity.class); i.putExtra("id", position); i.putExtra("url" , "file:///android_asset/38.htm" ); i.putExtra( "value", adapter.getItem(position)); startActivity(i); }