public class CommonUtil {
private static final CommonLog log = LogFactory.createLog();
public static boolean hasSDCard() {
String status = Environment.getExternalStorageState();
if (!status.equals(Environment.MEDIA_MOUNTED)) {
return false;
}
return true;
}
public static String getRootFilePath() {
if (hasSDCard()) {
return Environment.getExternalStorageDirectory().getAbsolutePath() + "/"; // filePath:/sdcard/
} else {
return Environment.getDataDirectory().getAbsolutePath() + "/data/"; // filePath: /data/data/
}
}
public static boolean checkNetState(Context context) {
boolean netstate = false;
ConnectivityManager connectivity =
(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (connectivity != null) {
NetworkInfo[] info = connectivity.getAllNetworkInfo();
if (info != null) {
for (int i = 0; i < info.length; i++) {
if (info[i].getState() == NetworkInfo.State.CONNECTED) {
netstate = true;
break;
}
}
}
}
return netstate;
}
public static void showToast(Context context, String tip) {
Toast.makeText(context, tip, Toast.LENGTH_SHORT).show();
}
public static int getScreenWidth(Context context) {
WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = manager.getDefaultDisplay();
return display.getWidth();
}
public static int getScreenHeight(Context context) {
WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = manager.getDefaultDisplay();
return display.getHeight();
}
}