UI优化

admin

2021-02-18 7641351b4b4d59a35dad924079f13cfa1fb15e02

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
package com.lcjian.library.content;
 
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
 
public class ConnectivityChangeHelper {
    
    private Context mContext;
    
    private OnConnectivityChangeListener mChangeListener;
 
    private BroadcastReceiver mReceiver = new BroadcastReceiver() {
 
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
                ConnectivityManager cm = (ConnectivityManager) context
                        .getSystemService(Context.CONNECTIVITY_SERVICE);
                NetworkInfo info = cm.getActiveNetworkInfo();
                if (info != null && info.isAvailable()) {
                    if (info.getType() == ConnectivityManager.TYPE_MOBILE) {
                        if (mChangeListener != null) {
                            mChangeListener.onMobileAvailable();
                        }
                    } else if (info.getType() == ConnectivityManager.TYPE_WIFI) {
                        if (mChangeListener != null) {
                            mChangeListener.onWiFiAvailable();
                        }
                    }
                } else {
                    if (mChangeListener != null) {
                        mChangeListener.onNetworkUnAvailable();
                    }
                }
            }
        }
    };
    
    public ConnectivityChangeHelper(Context context,
            OnConnectivityChangeListener changeListener) {
        super();
        this.mContext = context;
        this.mChangeListener = changeListener;
    }
 
    public void registerReceiver() {
        IntentFilter filter = new IntentFilter();
        filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
        mContext.registerReceiver(mReceiver, filter);
    }
 
    public void unregisterReceiver() {
        mContext.unregisterReceiver(mReceiver);
    }
    
    public interface OnConnectivityChangeListener {
        public void onNetworkUnAvailable();
        public void onWiFiAvailable();
        public void onMobileAvailable();
    }
}