1.
[code language=”java”]
public static void main(String[] args) {
System.out.println(Byte.valueOf((byte) 48) == Byte.valueOf((byte) 48));
System.out.println(Byte.valueOf((byte) 248) == Byte.valueOf((byte) 248));
System.out.println(Integer.valueOf(48) == Integer.valueOf(48));
System.out.println(Integer.valueOf(248) == Integer.valueOf(248));
}
[/code]
Answer
[code language=”java”]
true
true
true
false
[/code]
MVP; retrofit; retrolambda; DI; dagger 2; TDD; unit testing; functional testing; integration testing;
[code language=”java”]
public class RootUtil {
public static boolean isDeviceRooted() {
return checkRootMethod1() || checkRootMethod2() || checkRootMethod3();
}
private static boolean checkRootMethod1() {
String buildTags = android.os.Build.TAGS;
return buildTags != null && buildTags.contains("test-keys");
}
private static boolean checkRootMethod2() {
String[] paths = { "/system/app/Superuser.apk", "/sbin/su", "/system/bin/su", "/system/xbin/su", "/data/local/xbin/su", "/data/local/bin/su", "/system/sd/xbin/su",
"/system/bin/failsafe/su", "/data/local/su", "/su/bin/su"};
for (String path : paths) {
if (new File(path).exists()) return true;
}
return false;
}
private static boolean checkRootMethod3() {
Process process = null;
try {
process = Runtime.getRuntime().exec(new String[] { "/system/xbin/which", "su" });
BufferedReader in = new BufferedReader(new InputStreamReader(process.getInputStream()));
if (in.readLine() != null) return true;
return false;
} catch (Throwable t) {
return false;
} finally {
if (process != null) process.destroy();
}
}
}
[/code]