private static final String LOG_TAG = "DeviceInfoSettings";
+ private static final String FILENAME_PROC_VERSION = "/proc/version";
+ private static final String FILENAME_MSV = "/sys/board_properties/soc/msv";
+
private static final String KEY_CONTAINER = "container";
private static final String KEY_TEAM = "team";
private static final String KEY_CONTRIBUTORS = "contributors";
setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE);
findPreference(KEY_FIRMWARE_VERSION).setEnabled(true);
setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband");
- setStringSummary(KEY_DEVICE_MODEL, Build.MODEL);
+ setStringSummary(KEY_DEVICE_MODEL, Build.MODEL + getMsvSuffix());
setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY);
findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion());
}
}
+ /**
+ * Reads a line from the specified file.
+ * @param filename the file to read from
+ * @return the first line, if any.
+ * @throws IOException if the file couldn't be read
+ */
+ private String readLine(String filename) throws IOException {
+ BufferedReader reader = new BufferedReader(new FileReader(filename), 256);
+ try {
+ return reader.readLine();
+ } finally {
+ reader.close();
+ }
+ }
+
private String getFormattedKernelVersion() {
String procVersionStr;
try {
- BufferedReader reader = new BufferedReader(new FileReader("/proc/version"), 256);
- try {
- procVersionStr = reader.readLine();
- } finally {
- reader.close();
- }
+ procVersionStr = readLine(FILENAME_PROC_VERSION);
final String PROC_VERSION_REGEX =
"\\w+\\s+" + /* ignore: Linux */
}
}
+ /**
+ * Returns " (ENGINEERING)" if the msv file has a zero value, else returns "".
+ * @return a string to append to the model number description.
+ */
+ private String getMsvSuffix() {
+ // Production devices should have a non-zero value. If we can't read it, assume it's a
+ // production device so that we don't accidentally show that it's an ENGINEERING device.
+ try {
+ String msv = readLine(FILENAME_MSV);
+ // Parse as a hex number. If it evaluates to a zero, then it's an engineering build.
+ if (Long.parseLong(msv, 16) == 0) {
+ return " (ENGINEERING)";
+ }
+ } catch (IOException ioe) {
+ // Fail quietly, as the file may not exist on some devices.
+ } catch (NumberFormatException nfe) {
+ // Fail quietly, returning empty string should be sufficient
+ }
+ return "";
+ }
}