就是获取当前手机的ARM处理器类型
/**
*
* [获取cpu类型和架构]
*
* @return
* 三个参数类型的数组，第一个参数标识是不是ARM架构，第二个参数标识是V6还是V7架构，第三个参数标识是不是neon指令集
*/
public static Object[] getCpuArchitecture() {
if ((Integer) mArmArchitecture[1] != -1) {
return mArmArchitecture;
}
try {
InputStream is = new FileInputStream("/proc/cpuinfo");
InputStreamReader ir = new InputStreamReader(is);
BufferedReader br = new BufferedReader(ir);
try {
String nameProcessor = "Processor";
String nameFeatures = "Features";
String nameModel = "model name";
String nameCpuFamily = "cpu family";
while (true) {
String line = br.readLine();
String[] pair = null;
if (line == null) {
break;
}
pair = line.split(":");
if (pair.length != 2)
continue;
String key = pair[0].trim();
String val = pair[1].trim();
if (key.compareTo(nameProcessor) == 0) {
String n = "";
for (int i = val.indexOf("ARMv") + 4; i < val.length(); i++) {
String temp = val.charAt(i) + "";
if (temp.matches("\\d")) {
n += temp;
} else {
break;
}
}
mArmArchitecture[0] = "ARM";
mArmArchitecture[1] = Integer.parseInt(n);
continue;
}
if (key.compareToIgnoreCase(nameFeatures) == 0) {
if (val.contains("neon")) {
mArmArchitecture[2] = "neon";
}
continue;
}
if (key.compareToIgnoreCase(nameModel) == 0) {
if (val.contains("Intel")) {
mArmArchitecture[0] = "INTEL";
mArmArchitecture[2] = "atom";
}
continue;
}
if (key.compareToIgnoreCase(nameCpuFamily) == 0) {
mArmArchitecture[1] = Integer.parseInt(val);
continue;
}
}
} finally {
br.close();
ir.close();
is.close();
}
} catch (Exception e) {
e.printStackTrace();
}
return mArmArchitecture;
}
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