logcat

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import com.huawei.wfm.mobile.client.constants.LogConstants;

public class RecordLogService extends IntentService {	
	
 // 采集系统运行时异常日志的语句
    private final List<String> fdfdf = new ArrayList<String>() {

        private static final long serialVersionUID = 1L;

        {// logcat -d -v time -f /mnt/sdcard/wfm/log/AndroidRuntime.log -s
            // AndroidRuntime:E
            add("logcat");
            add("-d");
            add("-v");
            add("time");
            add("-f");
            add(SD_PATH + File.separator + LogConstants.WFM_LOG_DIR
                    + File.separator + LogConstants.ANDROID_RUNTIME_FILE);
            add("-s");
            add(LogConstants.TAG_ANDROID_RUNTIME + ":E");
        }
    };
    
    /**
	 * 在新的Process中执行shell命令
	 * 
	 * @throws IOException
	 *             IO异常
	 * @throws InterruptedException
	 *             进程异常
	 */
	private void executeShellInProcess(List<String> command)
			throws IOException, InterruptedException {

		ProcessBuilder builder = new ProcessBuilder();
		builder.command(command);
		Process process = builder.start();

		clearCache(process);// 清空缓冲区

		process.waitFor();
		process.destroy();
	}	
}

final InputStream inputStream = process.getInputStream();
		final InputStream errorStream = process.getErrorStream();
		final OutputStream outputStream = process.getOutputStream();

		new Thread() {
			public void run() {
				clearInputStream(inputStream);
			}
		}.start();

		new Thread() {
			public void run() {
				clearInputStream(errorStream);
			}
		}.start();

		new Thread() {
			public void run() {
				clearOutputStream(outputStream);
			}
		}.start();