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在
Android
中，我们可以通过读取一些系统文件来获得手机的
cpu信息
(CPU
名字
和CPU
主频
)。
具体请参照实例1.
实例1
package
edu
.
cdut
.
robin
;
import
java
.
io
.
BufferedReader
;
import
java
.
io
.
FileNotFoundException
;
import
java
.
io
.
FileReader
;
import
java
.
io
.
IOException
;
public
class
CPUTool
{
private
final
static
String
kCpuInfoMaxFreqFilePath
=
"/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq"
;
public
static
int
getMaxCpuFreq
()
{
int
result
=
0
;
FileReader
fr
=
null
;
BufferedReader
br
=
null
;
try
{
fr
=
new
FileReader
(
kCpuInfoMaxFreqFilePath
);
br
=
new
BufferedReader
(
fr
);
String
text
=
br
.
readLine
();
result
=
Integer
.
parseInt
(
text
.
trim
());
}
catch
(
FileNotFoundException
e
)
{
e
.
printStackTrace
();
}
catch
(
IOException
e
)
{
e
.
printStackTrace
();
}
finally
{
if
(
fr
!=
null
)
try
{
fr
.
close
();
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
if
(
br
!=
null
)
try
{
br
.
close
();
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
}
return
result
;
}
private
final
static
String
kCpuInfoMinFreqFilePath
=
"/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq"
;
/* 获取CPU最小频率（单位KHZ） */
public
static
int
getMinCpuFreq
()
{
int
result
=
0
;
FileReader
fr
=
null
;
BufferedReader
br
=
null
;
try
{
fr
=
new
FileReader
(
kCpuInfoMinFreqFilePath
);
br
=
new
BufferedReader
(
fr
);
String
text
=
br
.
readLine
();
result
=
Integer
.
parseInt
(
text
.
trim
());
}
catch
(
FileNotFoundException
e
)
{
e
.
printStackTrace
();
}
catch
(
IOException
e
)
{
e
.
printStackTrace
();
}
finally
{
if
(
fr
!=
null
)
try
{
fr
.
close
();
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
if
(
br
!=
null
)
try
{
br
.
close
();
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
}
return
result
;
}
private
final
static
String
kCpuInfoCurFreqFilePath
=
"/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"
;
/* 实时获取CPU当前频率（单位KHZ） */
public
static
int
getCurCpuFreq
()
{
int
result
=
0
;
FileReader
fr
=
null
;
BufferedReader
br
=
null
;
try
{
fr
=
new
FileReader
(
kCpuInfoCurFreqFilePath
);
br
=
new
BufferedReader
(
fr
);
String
text
=
br
.
readLine
();
result
=
Integer
.
parseInt
(
text
.
trim
());
}
catch
(
FileNotFoundException
e
)
{
e
.
printStackTrace
();
}
catch
(
IOException
e
)
{
e
.
printStackTrace
();
}
finally
{
if
(
fr
!=
null
)
try
{
fr
.
close
();
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
if
(
br
!=
null
)
try
{
br
.
close
();
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
}
return
result
;
}
/* 获取CPU名字 */
public
static
String
getCpuName
()
{
FileReader
fr
=
null
;
BufferedReader
br
=
null
;
try
{
fr
=
new
FileReader
(
"/proc/cpuinfo"
);
br
=
new
BufferedReader
(
fr
);
String
text
=
br
.
readLine
();
String
[]
array
=
text
.
split
(
":\\s+"
,
2
);
for
(
int
i
=
0
;
i
<
array
.
length
;
i
++)
{
}
return
array
[
1
];
}
catch
(
FileNotFoundException
e
)
{
e
.
printStackTrace
();
}
catch
(
IOException
e
)
{
e
.
printStackTrace
();
}
finally
{
if
(
fr
!=
null
)
try
{
fr
.
close
();
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
if
(
br
!=
null
)
try
{
br
.
close
();
}
catch
(
IOException
e
)
{
// TODO Auto-generated catch block
e
.
printStackTrace
();
}
}
return
null
;
}
}
结束
给我老师的人工智能教程打call！http://blog.csdn.net/jiangjunshow
