优化大师
程序员文章站
2022-03-04 19:44:52
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剩下的几个未完成的给几个提示,其实就是文件读写操作,handler,还有TimeTask结合去处理,然后绘图,更新ui
/sys/class/net
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/proc/stat
/proc/self/net/dev
/proc/meminfo 这几个文件一看名字你们就懂,不过这几个文件在ddms中你看不到哟,不能导出来.
再贴几个方法
public long getAvailMemory() {
ActivityManager am = (ActivityManager)mContext.getSystemService(Context.ACTIVITY_SERVICE);
ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
am.getMemoryInfo(mi);
return mi.availMem;
}
public long[] getRomMemroy() {
long[] romInfo = new long[2];
//Total rom memory
romInfo[0] = getTotalInternalMemorySize();
//Available rom memory
File path = Environment.getDataDirectory();
StatFs stat = new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long availableBlocks = stat.getAvailableBlocks();
romInfo[1] = blockSize * availableBlocks;
getVersion();
return romInfo;
}
public long getTotalInternalMemorySize() {
File path = Environment.getDataDirectory();
StatFs stat = new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long totalBlocks = stat.getBlockCount();
return totalBlocks * blockSize;
}
public long[] getSDCardMemory() {
long[] sdCardInfo=new long[2];
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
File sdcardDir = Environment.getExternalStorageDirectory();
StatFs sf = new StatFs(sdcardDir.getPath());
long bSize = sf.getBlockSize();
long bCount = sf.getBlockCount();
long availBlocks = sf.getAvailableBlocks();
sdCardInfo[0] = bSize * bCount;//总大小
sdCardInfo[1] = bSize * availBlocks;//可用大小
}
return sdCardInfo;
}
public void getTotalMemory() {
String str1 = "/proc/meminfo";
String str2="";
try {
FileReader fr = new FileReader(str1);
BufferedReader localBufferedReader = new BufferedReader(fr, 8192);
while ((str2 = localBufferedReader.readLine()) != null) {
Log.i(TAG, "---" + str2);
}
} catch (IOException e) {
}
}
工程在附件里面