stringArrayList.add("vehicle chassis and frame design"); stringArrayList.add("Gross vehicle weight rating"); stringArrayList.add("Speed limits"); stringArrayList.add("What is the maximum acceleration"); stringArrayList.add("TYPES OF GEARS"); stringArrayList.add("Resistance to motion"); stringArrayList.add("Vehicle Power Requirements"); stringArrayList.add("Force Required to Accelerate a Load"); stringArrayList.add("Vehicle acceleration and maximum speed modeling and simulation"); stringArrayList.add("Curve Interpolation Methods and Options"); stringArrayList.add("What is the Mean Effective Pressure (MEP) of an engine ?"); stringArrayList.add("What is Engine Capacity (cc)"); stringArrayList.add("How Engine Capacity affects its performance"); stringArrayList.add("What is Bore-Stroke Ratio?"); stringArrayList.add("How Rod Lengths and Ratios Affect Performance"); stringArrayList.add("BEST ROD RATIO?"); stringArrayList.add("OVERSQUARE VS UNDERSQUARE"); stringArrayList.add("Piston motion equations"); stringArrayList.add("Gear Ratios"); stringArrayList.add("Classical Design of Gear Train"); stringArrayList.add("How to Determine Gear Ratio"); stringArrayList.add("Vehicle Performance"); stringArrayList.add("Coordinate Systems"); if (selected.equals("vehicle chassis and frame design")) { 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("Gross vehicle weight rating")) { 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("Speed limits")) { 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("What is the maximum acceleration")) { 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("TYPES OF GEARS")) { 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("Resistance to motion")) { 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("Vehicle Power Requirements")) { 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("Force Required to Accelerate a Load")) { 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("Vehicle acceleration and maximum speed modeling and simulation")) { 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("Curve Interpolation Methods and Options")) { 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("What is the Mean Effective Pressure (MEP) of an engine ?")) { 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("What is Engine Capacity (cc)")) { 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("How Engine Capacity affects its performance")) { 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("What is Bore-Stroke Ratio?")) { 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("How Rod Lengths and Ratios Affect Performance")) { 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("BEST ROD RATIO?")) { 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("OVERSQUARE VS UNDERSQUARE")) { 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("Piston motion equations")) { 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("Gear Ratios")) { 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("Classical Design of Gear Train")) { 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("How to Determine Gear Ratio")) { 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("Vehicle Performance")) { 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("Coordinate Systems")) { 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); }