connectedNetworks = connectionUtil.getAvailableNetworks();
80 |
81 | StringBuilder activeNetworks = new StringBuilder();
82 | for (Integer network : connectedNetworks) {
83 | switch (network) {
84 | case TRANSPORT_WIFI:
85 | activeNetworks.append(" WiFi");
86 | break;
87 |
88 | case TRANSPORT_CELLULAR:
89 | activeNetworks.append(" Cellular");
90 | break;
91 | }
92 | }
93 | ```
94 |
95 | ### 5. Get the number of all available networks >> Only supported on API 21+
96 |
97 | ```
98 | connectionUtil.getAvailableNetworksCount()
99 | ```
100 |
101 |
102 | ### Make sure to do proper imports
103 |
104 | ```
105 | import com.zain.android.internetconnectivitylibrary.ConnectionUtil;
106 | import static com.zain.android.internetconnectivitylibrary.ConnectionUtil.TRANSPORT_CELLULAR;
107 | import static com.zain.android.internetconnectivitylibrary.ConnectionUtil.TRANSPORT_WIFI;
108 | ```
109 |
110 |
111 | ## Preview
112 |
113 | 
114 |
115 |
116 |
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/.idea/codeStyles/Project.xml:
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10 | xmlns:android
11 |
12 | ^$
13 |
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21 | xmlns:.*
22 |
23 | ^$
24 |
25 |
26 | BY_NAME
27 |
28 |
29 |
30 |
31 |
32 |
33 | .*:id
34 |
35 | http://schemas.android.com/apk/res/android
36 |
37 |
38 |
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43 |
44 | .*:name
45 |
46 | http://schemas.android.com/apk/res/android
47 |
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52 |
53 |
54 |
55 | name
56 |
57 | ^$
58 |
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66 | style
67 |
68 | ^$
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77 | .*
78 |
79 | ^$
80 |
81 |
82 | BY_NAME
83 |
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88 |
89 | .*
90 |
91 | http://schemas.android.com/apk/res/android
92 |
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94 | ANDROID_ATTRIBUTE_ORDER
95 |
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98 |
99 |
100 |
101 | .*
102 |
103 | .*
104 |
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106 | BY_NAME
107 |
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/gradlew:
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1 | #!/usr/bin/env sh
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Attempt to set APP_HOME
10 | # Resolve links: $0 may be a link
11 | PRG="$0"
12 | # Need this for relative symlinks.
13 | while [ -h "$PRG" ] ; do
14 | ls=`ls -ld "$PRG"`
15 | link=`expr "$ls" : '.*-> \(.*\)$'`
16 | if expr "$link" : '/.*' > /dev/null; then
17 | PRG="$link"
18 | else
19 | PRG=`dirname "$PRG"`"/$link"
20 | fi
21 | done
22 | SAVED="`pwd`"
23 | cd "`dirname \"$PRG\"`/" >/dev/null
24 | APP_HOME="`pwd -P`"
25 | cd "$SAVED" >/dev/null
26 |
27 | APP_NAME="Gradle"
28 | APP_BASE_NAME=`basename "$0"`
29 |
30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
31 | DEFAULT_JVM_OPTS=""
32 |
33 | # Use the maximum available, or set MAX_FD != -1 to use that value.
34 | MAX_FD="maximum"
35 |
36 | warn () {
37 | echo "$*"
38 | }
39 |
40 | die () {
41 | echo
42 | echo "$*"
43 | echo
44 | exit 1
45 | }
46 |
47 | # OS specific support (must be 'true' or 'false').
48 | cygwin=false
49 | msys=false
50 | darwin=false
51 | nonstop=false
52 | case "`uname`" in
53 | CYGWIN* )
54 | cygwin=true
55 | ;;
56 | Darwin* )
57 | darwin=true
58 | ;;
59 | MINGW* )
60 | msys=true
61 | ;;
62 | NONSTOP* )
63 | nonstop=true
64 | ;;
65 | esac
66 |
67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
68 |
69 | # Determine the Java command to use to start the JVM.
70 | if [ -n "$JAVA_HOME" ] ; then
71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
72 | # IBM's JDK on AIX uses strange locations for the executables
73 | JAVACMD="$JAVA_HOME/jre/sh/java"
74 | else
75 | JAVACMD="$JAVA_HOME/bin/java"
76 | fi
77 | if [ ! -x "$JAVACMD" ] ; then
78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
79 |
80 | Please set the JAVA_HOME variable in your environment to match the
81 | location of your Java installation."
82 | fi
83 | else
84 | JAVACMD="java"
85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
86 |
87 | Please set the JAVA_HOME variable in your environment to match the
88 | location of your Java installation."
89 | fi
90 |
91 | # Increase the maximum file descriptors if we can.
92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
93 | MAX_FD_LIMIT=`ulimit -H -n`
94 | if [ $? -eq 0 ] ; then
95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
96 | MAX_FD="$MAX_FD_LIMIT"
97 | fi
98 | ulimit -n $MAX_FD
99 | if [ $? -ne 0 ] ; then
100 | warn "Could not set maximum file descriptor limit: $MAX_FD"
101 | fi
102 | else
103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
104 | fi
105 | fi
106 |
107 | # For Darwin, add options to specify how the application appears in the dock
108 | if $darwin; then
109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
110 | fi
111 |
112 | # For Cygwin, switch paths to Windows format before running java
113 | if $cygwin ; then
114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
116 | JAVACMD=`cygpath --unix "$JAVACMD"`
117 |
118 | # We build the pattern for arguments to be converted via cygpath
119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 | SEP=""
121 | for dir in $ROOTDIRSRAW ; do
122 | ROOTDIRS="$ROOTDIRS$SEP$dir"
123 | SEP="|"
124 | done
125 | OURCYGPATTERN="(^($ROOTDIRS))"
126 | # Add a user-defined pattern to the cygpath arguments
127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 | fi
130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 | i=0
132 | for arg in "$@" ; do
133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
135 |
136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 | else
139 | eval `echo args$i`="\"$arg\""
140 | fi
141 | i=$((i+1))
142 | done
143 | case $i in
144 | (0) set -- ;;
145 | (1) set -- "$args0" ;;
146 | (2) set -- "$args0" "$args1" ;;
147 | (3) set -- "$args0" "$args1" "$args2" ;;
148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 | esac
155 | fi
156 |
157 | # Escape application args
158 | save () {
159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
160 | echo " "
161 | }
162 | APP_ARGS=$(save "$@")
163 |
164 | # Collect all arguments for the java command, following the shell quoting and substitution rules
165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
166 |
167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
169 | cd "$(dirname "$0")"
170 | fi
171 |
172 | exec "$JAVACMD" "$@"
173 |
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/internetconnectivitylibrary/src/main/java/com/zain/android/internetconnectivitylibrary/ConnectionUtil.java:
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1 | package com.zain.android.internetconnectivitylibrary;
2 |
3 | import android.content.BroadcastReceiver;
4 | import android.content.Context;
5 | import android.content.Intent;
6 | import android.content.IntentFilter;
7 | import android.net.ConnectivityManager;
8 | import android.net.Network;
9 | import android.net.NetworkCapabilities;
10 | import android.net.NetworkInfo;
11 | import android.net.NetworkRequest;
12 | import android.os.Build;
13 | import android.util.Log;
14 |
15 | import androidx.annotation.NonNull;
16 | import androidx.annotation.RequiresApi;
17 | import androidx.appcompat.app.AppCompatActivity;
18 | import androidx.lifecycle.Lifecycle;
19 | import androidx.lifecycle.LifecycleObserver;
20 | import androidx.lifecycle.OnLifecycleEvent;
21 |
22 | import java.util.ArrayList;
23 | import java.util.List;
24 |
25 | @RequiresApi(api = Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)
26 | public class ConnectionUtil implements LifecycleObserver {
27 |
28 | private static final String TAG = "LOG_TAG";
29 | private ConnectivityManager mConnectivityMgr;
30 | private Context mContext;
31 | private NetworkStateReceiver mNetworkStateReceiver;
32 | /*
33 | * boolean indicates if my device is connected to the internet or not
34 | * */
35 | private boolean mIsConnected = false;
36 | private ConnectionMonitor mConnectionMonitor;
37 |
38 | /**
39 | * Indicates there is no available network.
40 | */
41 | private static final int NO_NETWORK_AVAILABLE = -1;
42 |
43 | /**
44 | * Indicates this network uses a Cellular transport.
45 | */
46 | public static final int TRANSPORT_CELLULAR = 0;
47 |
48 | /**
49 | * Indicates this network uses a Wi-Fi transport.
50 | */
51 | public static final int TRANSPORT_WIFI = 1;
52 |
53 | public interface ConnectionStateListener {
54 | void onAvailable(boolean isAvailable);
55 | }
56 |
57 | public ConnectionUtil(Context context) {
58 | mContext = context;
59 | mConnectivityMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
60 | ((AppCompatActivity) mContext).getLifecycle().addObserver(this);
61 |
62 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
63 | mConnectionMonitor = new ConnectionMonitor();
64 | NetworkRequest networkRequest = new NetworkRequest.Builder()
65 | .addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR)
66 | .addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
67 | .build();
68 | mConnectivityMgr.registerNetworkCallback(networkRequest, mConnectionMonitor);
69 | }
70 |
71 | }
72 |
73 | /**
74 | * Returns true if connected to the internet, and false otherwise
75 | *
76 | *
77 | * NetworkInfo is deprecated in API 29
78 | * https://developer.android.com/reference/android/net/NetworkInfo
79 | *
80 | * getActiveNetworkInfo() is deprecated in API 29
81 | * https://developer.android.com/reference/android/net/ConnectivityManager#getActiveNetworkInfo()
82 | *
83 | * getNetworkInfo(int) is deprecated as of API 23
84 | * https://developer.android.com/reference/android/net/ConnectivityManager#getNetworkInfo(int)
85 | */
86 | public boolean isOnline() {
87 |
88 | mIsConnected = false;
89 |
90 | if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P) {
91 | // Checking internet connectivity
92 | NetworkInfo activeNetwork = null;
93 | if (mConnectivityMgr != null) {
94 | activeNetwork = mConnectivityMgr.getActiveNetworkInfo(); // Deprecated in API 29
95 | }
96 | mIsConnected = activeNetwork != null;
97 |
98 | } else {
99 | Network[] allNetworks = mConnectivityMgr.getAllNetworks(); // added in API 21 (Lollipop)
100 |
101 | for (Network network : allNetworks) {
102 | NetworkCapabilities networkCapabilities = mConnectivityMgr.getNetworkCapabilities(network);
103 | if (networkCapabilities != null) {
104 | if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)
105 | || networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)
106 | || networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET))
107 | mIsConnected = true;
108 | }
109 | }
110 | }
111 |
112 | return mIsConnected;
113 |
114 | }
115 |
116 |
117 | /**
118 | * Returns
119 | *
120 | *
NO_NETWORK_AVAILABLE >>> when you're offline
121 | *
TRANSPORT_CELLULAR >> When Cellular is the active network
122 | *
TRANSPORT_WIFI >> When Wi-Fi is the Active network
123 | *
124 | */
125 | public int getActiveNetwork() {
126 |
127 | NetworkInfo activeNetwork = mConnectivityMgr.getActiveNetworkInfo(); // Deprecated in API 29
128 | if (activeNetwork != null)
129 |
130 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
131 | NetworkCapabilities capabilities = mConnectivityMgr.getNetworkCapabilities(mConnectivityMgr.getActiveNetwork());
132 | if (capabilities != null)
133 | if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
134 | // connected to mobile data
135 | return TRANSPORT_CELLULAR;
136 |
137 | } else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
138 | // connected to wifi
139 | return TRANSPORT_WIFI;
140 | }
141 |
142 | } else {
143 | if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) { // Deprecated in API 28
144 | // connected to mobile data
145 | return TRANSPORT_CELLULAR;
146 |
147 | } else if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI) { // Deprecated in API 28
148 | // connected to wifi
149 | return TRANSPORT_WIFI;
150 | }
151 | }
152 | return NO_NETWORK_AVAILABLE;
153 | }
154 |
155 | @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
156 | public int getAvailableNetworksCount() {
157 |
158 | int count = 0;
159 |
160 | if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
161 | Network[] allNetworks = mConnectivityMgr.getAllNetworks(); // added in API 21 (Lollipop)
162 | for (Network network : allNetworks) {
163 | NetworkCapabilities networkCapabilities = mConnectivityMgr.getNetworkCapabilities(network);
164 | if (networkCapabilities != null)
165 | if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)
166 | || networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR))
167 | count++;
168 | }
169 |
170 | }
171 |
172 | // // Has bugs below API 21
173 | // else {
174 | // NetworkInfo[] infos = mConnectivityMgr.getAllNetworkInfo(); // Deprecated in API 23
175 | // for (NetworkInfo networkInfo : infos) {
176 | // if (networkInfo.getState() == NetworkInfo.State.CONNECTED &&
177 | // (networkInfo.getType() == ConnectivityManager.TYPE_WIFI) || (networkInfo.getType() == ConnectivityManager.TYPE_MOBILE)) {
178 | // count++;
179 | // }
180 | //
181 | // }
182 | //
183 | // }
184 | return count;
185 | }
186 |
187 | @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
188 | public List getAvailableNetworks() {
189 |
190 | List activeNetworks = new ArrayList<>();
191 |
192 | Network[] allNetworks; // added in API 21 (Lollipop)
193 | if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
194 | allNetworks = mConnectivityMgr.getAllNetworks();
195 | for (Network network : allNetworks) {
196 | NetworkCapabilities networkCapabilities = mConnectivityMgr.getNetworkCapabilities(network);
197 | if (networkCapabilities != null) {
198 | if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI))
199 | activeNetworks.add(TRANSPORT_WIFI);
200 |
201 | if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR))
202 | activeNetworks.add(TRANSPORT_CELLULAR);
203 |
204 | }
205 | }
206 | }
207 |
208 | // // Has bugs below API 21
209 | // else {
210 | // NetworkInfo[] info = mConnectivityMgr.getAllNetworkInfo(); // Deprecated in API 23
211 | // for (NetworkInfo networkInfo : info) {
212 | // if (networkInfo.getState() == NetworkInfo.State.CONNECTED && networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
213 | // activeNetworks.add(TRANSPORT_WIFI);
214 | // }
215 | // if (networkInfo.getState() == NetworkInfo.State.CONNECTED && networkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
216 | // activeNetworks.add(TRANSPORT_CELLULAR);
217 | // }
218 | // }
219 | //
220 | // }
221 | return activeNetworks;
222 | }
223 |
224 |
225 | public void onInternetStateListener(ConnectionStateListener listener) {
226 | if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
227 | mNetworkStateReceiver = new NetworkStateReceiver(listener);
228 | IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
229 | mContext.registerReceiver(mNetworkStateReceiver, intentFilter);
230 |
231 | } else {
232 | mConnectionMonitor.setOnConnectionStateListener(listener);
233 | }
234 | }
235 |
236 |
237 | @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
238 | public void onDestroy() {
239 | Log.d(TAG, "onDestroy");
240 | ((AppCompatActivity) mContext).getLifecycle().removeObserver(this);
241 |
242 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
243 | if (mConnectionMonitor != null)
244 | mConnectivityMgr.unregisterNetworkCallback(mConnectionMonitor);
245 | } else {
246 | if (mNetworkStateReceiver != null)
247 | mContext.unregisterReceiver(mNetworkStateReceiver);
248 | }
249 |
250 | }
251 |
252 |
253 | public class NetworkStateReceiver extends BroadcastReceiver {
254 |
255 | ConnectionStateListener mListener;
256 |
257 | public NetworkStateReceiver(ConnectionStateListener listener) {
258 | mListener = listener;
259 | }
260 |
261 | @Override
262 | public void onReceive(Context context, Intent intent) {
263 | if (intent.getExtras() != null) {
264 |
265 | NetworkInfo activeNetworkInfo = mConnectivityMgr.getActiveNetworkInfo(); // deprecated in API 29
266 |
267 | /*
268 | * activeNetworkInfo.getState() deprecated in API 28
269 | * NetworkInfo.State.CONNECTED deprecated in API 29
270 | * */
271 | if (!mIsConnected && activeNetworkInfo != null && activeNetworkInfo.getState() == NetworkInfo.State.CONNECTED) {
272 | Log.d(TAG, "onReceive: " + "Connected To: " + activeNetworkInfo.getTypeName());
273 | mIsConnected = true;
274 | mListener.onAvailable(true);
275 |
276 | } else if (intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, Boolean.FALSE)) {
277 | if (!isOnline()) {
278 | mListener.onAvailable(false);
279 | mIsConnected = false;
280 | }
281 |
282 | }
283 |
284 | }
285 | }
286 | }
287 |
288 |
289 | @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
290 | public class ConnectionMonitor extends ConnectivityManager.NetworkCallback {
291 |
292 | private ConnectionStateListener mConnectionStateListener;
293 |
294 | void setOnConnectionStateListener(ConnectionStateListener connectionStateListener) {
295 | mConnectionStateListener = connectionStateListener;
296 | }
297 |
298 | @Override
299 | public void onAvailable(@NonNull Network network) {
300 |
301 | if (mIsConnected)
302 | return;
303 |
304 | Log.d(TAG, "onAvailable: ");
305 |
306 | if (mConnectionStateListener != null) {
307 | mConnectionStateListener.onAvailable(true);
308 | mIsConnected = true;
309 | }
310 |
311 | }
312 |
313 | @Override
314 | public void onLost(@NonNull Network network) {
315 |
316 | if (getAvailableNetworksCount() == 0) {
317 | mConnectionStateListener.onAvailable(false);
318 | mIsConnected = false;
319 | }
320 |
321 | }
322 |
323 | }
324 |
325 | }
326 |
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