【Android】设备工具类(DeviceUtil.java)

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/** * @ClassName：DeviceUtil * @Description：TODO<设备工具类--获取设备信息> * @author：zihao * @date：2015年1月17日 上午8:51:34 * @version：v1.0 */public class DeviceUtil {    private static final String TAG = DeviceUtil.class.getSimpleName();    /**     * TODO<获取本地ip地址>     *      * @return String     */    public static String getLocAddress() {        String ipaddress = "";        try {            Enumeration<NetworkInterface> en = NetworkInterface                    .getNetworkInterfaces();            // 遍历所用的网络接口            while (en.hasMoreElements()) {                NetworkInterface networks = en.nextElement();                // 得到每一个网络接口绑定的所有ip                Enumeration<InetAddress> address = networks.getInetAddresses();                // 遍历每一个接口绑定的所有ip                while (address.hasMoreElements()) {                    InetAddress inetAddress = address.nextElement();                    if (!inetAddress.isLoopbackAddress()                            && inetAddress instanceof Inet4Address) {                        ipaddress = inetAddress.getHostAddress();                    }                }            }        } catch (SocketException e) {            Log.e(TAG, "getLocAddress error:" + e.toString());        }        Log.i(TAG, "本机IP:" + ipaddress);        return ipaddress;    }    /**     * TODO<获取当前App进程的名称>     *      * @return String     */    public static String getAppProcessName(Context context, int processId) {        String processName = null;        ActivityManager am = (ActivityManager) context                .getSystemService(Context.ACTIVITY_SERVICE);        List<RunningAppProcessInfo> l = am.getRunningAppProcesses();// 获取所有运行App的进程集合        Iterator<RunningAppProcessInfo> i = l.iterator();        while (i.hasNext()) {            ActivityManager.RunningAppProcessInfo info = (ActivityManager.RunningAppProcessInfo) (i                    .next());            try {                if (info.pid == processId) {                    processName = info.processName;                    return processName;                }            } catch (Exception e) {                e.printStackTrace();            }        }        return processName;    }    /**     * TODO<获取应用版本名--versionName>     *      * @return String     */    public static String getVersionName(Context context) {        String versionName = "";        PackageManager packageManager = context.getPackageManager();// 获取PackageManager实例        try {            PackageInfo packInfo = packageManager.getPackageInfo(                    context.getPackageName(), 0);// 获取程序包包信息            versionName = packInfo.versionName;// 获取版本名称--versionName        } catch (NameNotFoundException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return versionName;    }    /**     * TODO<获取应用版本号--versionCode>     *      * @return String     */    public static String getVersionCode(Context context) {        String versionCode = "";        PackageManager packageManager = context.getPackageManager();// 获取PackageManager实例        try {            PackageInfo packInfo = packageManager.getPackageInfo(                    context.getPackageName(), 0);// 获取程序包包信息            versionCode = String.valueOf(packInfo.versionCode);// 获取版本号--versionCode            return versionCode;        } catch (NameNotFoundException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return versionCode;    }    /**     * TODO<获取设备的唯一标识ID>     *      * @return String     */    public static String getDeviceId(Context context) {        TelephonyManager tm = (TelephonyManager) context                .getSystemService(Context.TELEPHONY_SERVICE);        String deviceId = tm.getDeviceId();        if (TextUtils.isEmpty(deviceId)) {            return "";        } else {            return deviceId;        }    }    /**     * TODO<获取本机设备名称>     *      * @return String     */    public static String getLocDeviceName() {        return android.os.Build.MODEL;    }    /**     * TODO<获取手机品牌>     *      * @return String     */    public static String getPhoneBrand() {        return android.os.Build.BRAND;    }    /**     * TODO<获取手机型号>     *      * @return String     */    public static String getPhoneModel() {        return android.os.Build.MODEL;    }    /**     * TODO< 获取手机Android API等级>     *      * @return int     */    public static int getBuildLevel() {        return android.os.Build.VERSION.SDK_INT;    }    /**     * TODO<获取手机Android版本>     *      * @return String     */    public static String getBuildVersion() {        return android.os.Build.VERSION.RELEASE;    }    /**     * TODO<获取App进程的ID>     *      * @return int     */    public static int getAppProcessId() {        return android.os.Process.myPid();    }    /**     * TODO<将dp转为px>     *      * @return int     */    public static int dpTopx(Context context, float dpValue) {        final float scale = context.getResources().getDisplayMetrics().density;        return (int) (dpValue * scale + 0.5f);    }    /**     * TODO<将px转为dp>     *      * @return int     */    public static int pxTodp(Context context, float pxValue) {        final float scale = context.getResources().getDisplayMetrics().density;        return (int) (pxValue / scale + 0.5f);    }    /**     * TODO<获取设备宽度(px)>     *      * @return int     */    public static int getDeviceWidth(Context context) {        return context.getResources().getDisplayMetrics().widthPixels;    }    /**     * TODO<获取设备高度(px)>     *      * @return int     */    public static int getDeviceHeight(Context context) {        return context.getResources().getDisplayMetrics().heightPixels;    }    /**     * TODO<判断SD卡是否可用>     *      * @return boolean     */    public static boolean isSDCardAvailable() {        return Environment.getExternalStorageState().equals(                Environment.MEDIA_MOUNTED);    }}
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