Go to Settings Pages

if (openbrain[i + 1].equals("0"))
startActivity(new Intent(
android.provider.Settings.ACTION_WIRELESS_SETTINGS));
else if (openbrain[i + 1].equals("1"))
startActivity(new Intent(
android.provider.Settings.ACTION_WIFI_SETTINGS));
else if (openbrain[i + 1].equals("2"))
startActivity(new Intent(
android.provider.Settings.ACTION_AIRPLANE_MODE_SETTINGS));
else if (openbrain[i + 1].equals("3"))
startActivity(new Intent(
android.provider.Settings.ACTION_APPLICATION_SETTINGS));
else if (openbrain[i + 1].equals("4"))
startActivity(new Intent(
android.provider.Settings.ACTION_BLUETOOTH_SETTINGS));
else if (openbrain[i + 1].equals("5"))
startActivity(new Intent(
android.provider.Settings.ACTION_DISPLAY_SETTINGS));
else if (openbrain[i + 1].equals("6"))
startActivity(new Intent(
android.provider.Settings.ACTION_INPUT_METHOD_SETTINGS));
else if (openbrain[i + 1].equals("7"))
startActivity(new Intent(
android.provider.Settings.ACTION_SOUND_SETTINGS));
else if (openbrain[i + 1].equals("8")) {
Intent powerUsageIntent = new Intent(
Intent.ACTION_POWER_USAGE_SUMMARY);
ResolveInfo resolveInfo = getPackageManager()
.resolveActivity(powerUsageIntent, 0);
// check that the Battery app exists on this device
if (resolveInfo != null) {
startActivity(powerUsageIntent);
}