android监听与注册广播注销广播
2017-05-03 20:01
169 查看
public class NetworkConnectChangedReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) {// 这个监听wifi的打开与关闭,与wifi的连接无关
int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 0);
Log.e("H3c", "wifiState" + wifiState);
switch (wifiState) {
case WifiManager.WIFI_STATE_DISABLED:
break;
case WifiManager.WIFI_STATE_DISABLING:
break;
//
}
}
// 这个监听wifi的连接状态即是否连上了一个有效无线路由,当上边广播的状态是WifiManager.WIFI_STATE_DISABLING,和WIFI_STATE_DISABLED的时候,根本不会接到这个广播。
// 在上边广播接到广播是WifiManager.WIFI_STATE_ENABLED状态的同时也会接到这个广播,当然刚打开wifi肯定还没有连接到有效的无线
if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(intent.getAction())) {
Parcelable parcelableExtra = intent
.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
if (null != parcelableExtra) {
NetworkInfo networkInfo = (NetworkInfo) parcelableExtra;
State state = networkInfo.getState();
boolean isConnected = state == State.CONNECTED;// 当然,这边可以更精确的确定状态
Log.e("H3c", "isConnected" + isConnected);
if (isConnected) {
} else {
}
}
}
// 这个监听网络连接的设置,包括wifi和移动数据的打开和关闭。.
// 最好用的还是这个监听。wifi如果打开,关闭,以及连接上可用的连接都会接到监听。见log
// 这个广播的最大弊端是比上边两个广播的反应要慢,如果只是要监听wifi,我觉得还是用上边两个配合比较合适
if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) {
<p> ConnectivityManager manager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo gprs = manager
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
NetworkInfo wifi = manager
.getNetworkInfo(ConnectivityManager.TYPE_WIFI);</p><p> Log.i(TAG, "网络状态改变:" + wifi.isConnected() + " 3g:" + gprs.isConnected());</p><p> NetworkInfo info = intent
.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);
if (info != null) {
Log.e("H3c", "info.getTypeName()" + info.getTypeName());
Log.e("H3c", "getSubtypeName()" + info.getSubtypeName());
Log.e("H3c", "getState()" + info.getState());
Log.e("H3c", "getDetailedState()"
+ info.getDetailedState().name());
Log.e("H3c", "getDetailedState()" + info.getExtraInfo());
Log.e("H3c", "getType()" + info.getType());
if (NetworkInfo.State.CONNECTED == info.getState()) {
} else if (info.getType() == 1) {
if (NetworkInfo.State.DISCONNECTING == info.getState()) {
}
}
}
}
}
}
xml注册
<receiver>
<intent-filter>
<action android:name="android.intent.action.PACKAGE_ADDED" />
<action android:name="android.intent.action.PACKAGE_REMOVED" />
<data android:scheme="package"/>
</intent-filter>
</receiver>
代码注册
PackageReceiver packageReceiver = new PackageReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction("android.intent.action.PACKAGE_ADDED");
filter.addAction("android.intent.action.PACKAGE_REMOVED");
filter.addDataScheme("package");
registerReceiver(packageReceiver, filter);
注销
unregisterReceiver(packageReceiver); view
@Override
public void onReceive(Context context, Intent intent) {
if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) {// 这个监听wifi的打开与关闭,与wifi的连接无关
int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 0);
Log.e("H3c", "wifiState" + wifiState);
switch (wifiState) {
case WifiManager.WIFI_STATE_DISABLED:
break;
case WifiManager.WIFI_STATE_DISABLING:
break;
//
}
}
// 这个监听wifi的连接状态即是否连上了一个有效无线路由,当上边广播的状态是WifiManager.WIFI_STATE_DISABLING,和WIFI_STATE_DISABLED的时候,根本不会接到这个广播。
// 在上边广播接到广播是WifiManager.WIFI_STATE_ENABLED状态的同时也会接到这个广播,当然刚打开wifi肯定还没有连接到有效的无线
if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(intent.getAction())) {
Parcelable parcelableExtra = intent
.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
if (null != parcelableExtra) {
NetworkInfo networkInfo = (NetworkInfo) parcelableExtra;
State state = networkInfo.getState();
boolean isConnected = state == State.CONNECTED;// 当然,这边可以更精确的确定状态
Log.e("H3c", "isConnected" + isConnected);
if (isConnected) {
} else {
}
}
}
// 这个监听网络连接的设置,包括wifi和移动数据的打开和关闭。.
// 最好用的还是这个监听。wifi如果打开,关闭,以及连接上可用的连接都会接到监听。见log
// 这个广播的最大弊端是比上边两个广播的反应要慢,如果只是要监听wifi,我觉得还是用上边两个配合比较合适
if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) {
<p> ConnectivityManager manager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo gprs = manager
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
NetworkInfo wifi = manager
.getNetworkInfo(ConnectivityManager.TYPE_WIFI);</p><p> Log.i(TAG, "网络状态改变:" + wifi.isConnected() + " 3g:" + gprs.isConnected());</p><p> NetworkInfo info = intent
.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);
if (info != null) {
Log.e("H3c", "info.getTypeName()" + info.getTypeName());
Log.e("H3c", "getSubtypeName()" + info.getSubtypeName());
Log.e("H3c", "getState()" + info.getState());
Log.e("H3c", "getDetailedState()"
+ info.getDetailedState().name());
Log.e("H3c", "getDetailedState()" + info.getExtraInfo());
Log.e("H3c", "getType()" + info.getType());
if (NetworkInfo.State.CONNECTED == info.getState()) {
} else if (info.getType() == 1) {
if (NetworkInfo.State.DISCONNECTING == info.getState()) {
}
}
}
}
}
}
xml注册
<receiver>
<intent-filter>
<action android:name="android.intent.action.PACKAGE_ADDED" />
<action android:name="android.intent.action.PACKAGE_REMOVED" />
<data android:scheme="package"/>
</intent-filter>
</receiver>
代码注册
PackageReceiver packageReceiver = new PackageReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction("android.intent.action.PACKAGE_ADDED");
filter.addAction("android.intent.action.PACKAGE_REMOVED");
filter.addDataScheme("package");
registerReceiver(packageReceiver, filter);
注销
unregisterReceiver(packageReceiver); view
相关文章推荐
- Android系统中的广播(Broadcast)机制注册注销发送原理总结
- BroadcastReceiver(一)在AndroidManifest.xml中配置的广播接收器(自动注册注销)
- Android学习小记----监听电量的变化(不能静态注册的广播), 保持Service不被杀死的好方法
- Android-动态注册广播和注销广播
- Android学习小记----监听电量的变化(不能静态注册的广播)
- Android监听时间变化的广播,只能动态注册
- Android学习小记----监听电量的变化(不能静态注册的广播)
- 立即获得下载任务完成的消息通知。Android DownloadManager通过注册一个广播监听系统的广播事件完成此操作,在创建广播时候,需要指明过滤器为:DownloadManager.ACTIO
- Android 通过注册广播,实时监听网络连接与断开状态的变化
- Android---动态注册监听网路变化的广播
- Android 广播接收器注册与注销源码分析
- android 广播接受者静态注册 监听去电 失败
- Android-动态注册广播和注销广播
- Android中动态(在类中)注册广播接收者,监听网络变化
- Android初级教程使用服务注册广播接收者监听手机解锁屏变化
- android动态注册广播监听服务demo
- Android动态注册监听广播
- Android 广播接收器 BroadcastReceiver 注册、注销、优先级、拦截
- 【Android 一般进阶】动态广播注册注销时机
- Android 注册广播,实时监听网络连接与断开状态变化