Get Android System Information

private void GetSystemInfo ()

{

String phoneinfo = "Product:" + Android.os.Build.PRODUCT;

Phoneinfo + = "\ncpu_abi:" + Android.os.Build.CPU_ABI;

Phoneinfo + = "\ntags:" + Android.os.Build.TAGS;

Phoneinfo + = "\nversion_codes. BASE: "+ Android.os.Build.VERSION_CODES. BASE;

Phoneinfo + = "\nmodel:" + Android.os.Build.MODEL;

Phoneinfo + = "\NSDK:" + Android.os.Build.VERSION.SDK;

Phoneinfo + = "\nversion.release:" + Android.os.Build.VERSION.RELEASE;

Phoneinfo + = "\ndevice:" + Android.os.Build.DEVICE;

Phoneinfo + = "\ndisplay:" + Android.os.Build.DISPLAY;

Phoneinfo + = "\nbrand:" + Android.os.Build.BRAND;

Phoneinfo + = "\nboard:" + Android.os.Build.BOARD;

Phoneinfo + = "\nfingerprint:" + Android.os.Build.FINGERPRINT;

Phoneinfo + = "\nid:" + Android.os.Build.ID;

Phoneinfo + = "\nmanufacturer:" + Android.os.Build.MANUFACTURER;

Phoneinfo + = "\nuser:" + Android.os.Build.USER;

Phoneinfo + = "\nhardware:" + Android.os.Build.HARDWARE;

Sysinfo.settext (Phoneinfo);

}

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Note: The above is a non-brain string splicing, we recommend that you use the string concatenation when using the StringBuilder class append () method to splice, because the string is immutable, in each + new string, you have to reallocate memory, inefficient, although you do not feel, But it is not advisable to use this. And the efficiency of StringBuilder is much higher.

A brief summary is as follows:

Comparison of the three in execution speed:StringBuilder > StringBuffer > String

1. If you want to manipulate a small amount of data with string

2. Single-threaded operation string buffers operating large amounts of data with StringBuilder

3. Multi-threaded operation string buffer operation of large amounts of data with StringBuffer

StringBuilder: Thread is not secure

StringBuffer: Thread-safe

When we are using a string buffer to be used by multiple threads, the JVM does not guarantee that the StringBuilder operation is safe, although he is the fastest, but can ensure that the StringBuffer can be operated correctly. Of course, most of the time we are in a single-threaded operation, so in most cases it is recommended to use StringBuilder instead of StringBuffer, which is the reason for speed.

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Get Android System Information