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5 | 5 | package io.flutter.plugins.firebase.firebaseremoteconfig;
|
6 | 6 |
|
7 | 7 | import android.content.Context;
|
8 |
| -import android.content.SharedPreferences; |
9 |
| -import androidx.annotation.NonNull; |
10 |
| -import com.google.android.gms.tasks.OnCompleteListener; |
11 |
| -import com.google.android.gms.tasks.Task; |
12 |
| -import com.google.firebase.remoteconfig.FirebaseRemoteConfig; |
13 |
| -import com.google.firebase.remoteconfig.FirebaseRemoteConfigFetchThrottledException; |
14 |
| -import com.google.firebase.remoteconfig.FirebaseRemoteConfigInfo; |
15 |
| -import com.google.firebase.remoteconfig.FirebaseRemoteConfigSettings; |
16 |
| -import com.google.firebase.remoteconfig.FirebaseRemoteConfigValue; |
17 |
| -import io.flutter.plugin.common.MethodCall; |
| 8 | +import io.flutter.embedding.engine.plugins.FlutterPlugin; |
| 9 | +import io.flutter.plugin.common.BinaryMessenger; |
18 | 10 | import io.flutter.plugin.common.MethodChannel;
|
19 |
| -import io.flutter.plugin.common.MethodChannel.MethodCallHandler; |
20 |
| -import io.flutter.plugin.common.MethodChannel.Result; |
21 | 11 | import io.flutter.plugin.common.PluginRegistry.Registrar;
|
22 |
| -import java.util.HashMap; |
23 |
| -import java.util.HashSet; |
24 |
| -import java.util.Map; |
25 |
| -import java.util.Set; |
26 | 12 |
|
27 | 13 | /** FirebaseRemoteConfigPlugin */
|
28 |
| -public class FirebaseRemoteConfigPlugin implements MethodCallHandler { |
| 14 | +public class FirebaseRemoteConfigPlugin implements FlutterPlugin { |
29 | 15 |
|
30 |
| - public static final String TAG = "FirebaseRemoteConfigPlugin"; |
31 |
| - public static final String PREFS_NAME = |
| 16 | + static final String TAG = "FirebaseRemoteConfigPlugin"; |
| 17 | + static final String PREFS_NAME = |
32 | 18 | "io.flutter.plugins.firebase.firebaseremoteconfig.FirebaseRemoteConfigPlugin";
|
33 |
| - public static final String DEFAULT_PREF_KEY = "default_keys"; |
| 19 | + static final String METHOD_CHANNEL = "plugins.flutter.io/firebase_remote_config"; |
34 | 20 |
|
35 |
| - private static SharedPreferences sharedPreferences; |
| 21 | + private MethodChannel channel; |
36 | 22 |
|
37 | 23 | public static void registerWith(Registrar registrar) {
|
38 |
| - final MethodChannel channel = |
39 |
| - new MethodChannel(registrar.messenger(), "plugins.flutter.io/firebase_remote_config"); |
40 |
| - channel.setMethodCallHandler(new FirebaseRemoteConfigPlugin()); |
41 |
| - sharedPreferences = registrar.context().getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); |
| 24 | + FirebaseRemoteConfigPlugin plugin = new FirebaseRemoteConfigPlugin(); |
| 25 | + plugin.setupChannel(registrar.messenger(), registrar.context()); |
42 | 26 | }
|
43 | 27 |
|
44 | 28 | @Override
|
45 |
| - public void onMethodCall(MethodCall call, final Result result) { |
46 |
| - switch (call.method) { |
47 |
| - case "RemoteConfig#instance": |
48 |
| - { |
49 |
| - FirebaseRemoteConfigInfo firebaseRemoteConfigInfo = |
50 |
| - FirebaseRemoteConfig.getInstance().getInfo(); |
51 |
| - |
52 |
| - Map<String, Object> properties = new HashMap<>(); |
53 |
| - properties.put("lastFetchTime", firebaseRemoteConfigInfo.getFetchTimeMillis()); |
54 |
| - properties.put( |
55 |
| - "lastFetchStatus", mapLastFetchStatus(firebaseRemoteConfigInfo.getLastFetchStatus())); |
56 |
| - properties.put( |
57 |
| - "inDebugMode", firebaseRemoteConfigInfo.getConfigSettings().isDeveloperModeEnabled()); |
58 |
| - properties.put("parameters", getConfigParameters()); |
59 |
| - result.success(properties); |
60 |
| - break; |
61 |
| - } |
62 |
| - case "RemoteConfig#setConfigSettings": |
63 |
| - { |
64 |
| - boolean debugMode = call.argument("debugMode"); |
65 |
| - final FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance(); |
66 |
| - FirebaseRemoteConfigSettings settings = |
67 |
| - new FirebaseRemoteConfigSettings.Builder().setDeveloperModeEnabled(debugMode).build(); |
68 |
| - firebaseRemoteConfig.setConfigSettings(settings); |
69 |
| - result.success(null); |
70 |
| - break; |
71 |
| - } |
72 |
| - case "RemoteConfig#fetch": |
73 |
| - { |
74 |
| - long expiration = ((Number) call.argument("expiration")).longValue(); |
75 |
| - final FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance(); |
76 |
| - firebaseRemoteConfig |
77 |
| - .fetch(expiration) |
78 |
| - .addOnCompleteListener( |
79 |
| - new OnCompleteListener<Void>() { |
80 |
| - @Override |
81 |
| - public void onComplete(@NonNull Task<Void> task) { |
82 |
| - FirebaseRemoteConfigInfo firebaseRemoteConfigInfo = |
83 |
| - firebaseRemoteConfig.getInfo(); |
84 |
| - Map<String, Object> properties = new HashMap<>(); |
85 |
| - properties.put( |
86 |
| - "lastFetchTime", firebaseRemoteConfigInfo.getFetchTimeMillis()); |
87 |
| - properties.put( |
88 |
| - "lastFetchStatus", |
89 |
| - mapLastFetchStatus(firebaseRemoteConfigInfo.getLastFetchStatus())); |
90 |
| - if (!task.isSuccessful()) { |
91 |
| - final Exception exception = task.getException(); |
92 |
| - |
93 |
| - if (exception instanceof FirebaseRemoteConfigFetchThrottledException) { |
94 |
| - properties.put( |
95 |
| - "fetchThrottledEnd", |
96 |
| - ((FirebaseRemoteConfigFetchThrottledException) exception) |
97 |
| - .getThrottleEndTimeMillis()); |
98 |
| - String errorMessage = |
99 |
| - "Fetch has been throttled. See the error's " |
100 |
| - + "FETCH_THROTTLED_END field for throttle end time."; |
101 |
| - result.error("fetchFailedThrottled", errorMessage, properties); |
102 |
| - } else { |
103 |
| - String errorMessage = |
104 |
| - "Unable to complete fetch. Reason is unknown " |
105 |
| - + "but this could be due to lack of connectivity."; |
106 |
| - result.error("fetchFailed", errorMessage, properties); |
107 |
| - } |
108 |
| - } else { |
109 |
| - result.success(properties); |
110 |
| - } |
111 |
| - } |
112 |
| - }); |
113 |
| - break; |
114 |
| - } |
115 |
| - case "RemoteConfig#activate": |
116 |
| - { |
117 |
| - boolean newConfig = FirebaseRemoteConfig.getInstance().activateFetched(); |
118 |
| - Map<String, Object> properties = new HashMap<>(); |
119 |
| - properties.put("parameters", getConfigParameters()); |
120 |
| - properties.put("newConfig", newConfig); |
121 |
| - result.success(properties); |
122 |
| - break; |
123 |
| - } |
124 |
| - case "RemoteConfig#setDefaults": |
125 |
| - { |
126 |
| - Map<String, Object> defaults = call.argument("defaults"); |
127 |
| - FirebaseRemoteConfig.getInstance().setDefaults(defaults); |
128 |
| - SharedPreferences.Editor editor = sharedPreferences.edit(); |
129 |
| - editor.putStringSet(DEFAULT_PREF_KEY, defaults.keySet()).apply(); |
130 |
| - result.success(null); |
131 |
| - break; |
132 |
| - } |
133 |
| - default: |
134 |
| - { |
135 |
| - result.notImplemented(); |
136 |
| - break; |
137 |
| - } |
138 |
| - } |
| 29 | + public void onAttachedToEngine(FlutterPluginBinding binding) { |
| 30 | + setupChannel(binding.getFlutterEngine().getDartExecutor(), binding.getApplicationContext()); |
139 | 31 | }
|
140 | 32 |
|
141 |
| - private Map<String, Object> getConfigParameters() { |
142 |
| - FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance(); |
143 |
| - Map<String, Object> parameterMap = new HashMap<>(); |
144 |
| - Set<String> keys = firebaseRemoteConfig.getKeysByPrefix(""); |
145 |
| - for (String key : keys) { |
146 |
| - FirebaseRemoteConfigValue remoteConfigValue = firebaseRemoteConfig.getValue(key); |
147 |
| - parameterMap.put(key, createRemoteConfigValueMap(remoteConfigValue)); |
148 |
| - } |
149 |
| - // Add default parameters if missing since `getKeysByPrefix` does not return default keys. |
150 |
| - Set<String> defaultKeys = |
151 |
| - sharedPreferences.getStringSet(DEFAULT_PREF_KEY, new HashSet<String>()); |
152 |
| - for (String defaultKey : defaultKeys) { |
153 |
| - if (!parameterMap.containsKey(defaultKey)) { |
154 |
| - FirebaseRemoteConfigValue remoteConfigValue = firebaseRemoteConfig.getValue(defaultKey); |
155 |
| - parameterMap.put(defaultKey, createRemoteConfigValueMap(remoteConfigValue)); |
156 |
| - } |
157 |
| - } |
158 |
| - return parameterMap; |
159 |
| - } |
160 |
| - |
161 |
| - private Map<String, Object> createRemoteConfigValueMap( |
162 |
| - FirebaseRemoteConfigValue remoteConfigValue) { |
163 |
| - Map<String, Object> valueMap = new HashMap<>(); |
164 |
| - valueMap.put("value", remoteConfigValue.asByteArray()); |
165 |
| - valueMap.put("source", mapValueSource(remoteConfigValue.getSource())); |
166 |
| - return valueMap; |
| 33 | + @Override |
| 34 | + public void onDetachedFromEngine(FlutterPluginBinding binding) { |
| 35 | + tearDownChannel(); |
167 | 36 | }
|
168 | 37 |
|
169 |
| - private String mapLastFetchStatus(int status) { |
170 |
| - switch (status) { |
171 |
| - case FirebaseRemoteConfig.LAST_FETCH_STATUS_SUCCESS: |
172 |
| - return "success"; |
173 |
| - case FirebaseRemoteConfig.LAST_FETCH_STATUS_FAILURE: |
174 |
| - return "failure"; |
175 |
| - case FirebaseRemoteConfig.LAST_FETCH_STATUS_THROTTLED: |
176 |
| - return "throttled"; |
177 |
| - case FirebaseRemoteConfig.LAST_FETCH_STATUS_NO_FETCH_YET: |
178 |
| - return "noFetchYet"; |
179 |
| - default: |
180 |
| - return "failure"; |
181 |
| - } |
| 38 | + private void setupChannel(BinaryMessenger messenger, Context context) { |
| 39 | + MethodCallHandlerImpl handler = |
| 40 | + new MethodCallHandlerImpl(context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE)); |
| 41 | + channel = new MethodChannel(messenger, METHOD_CHANNEL); |
| 42 | + channel.setMethodCallHandler(handler); |
182 | 43 | }
|
183 | 44 |
|
184 |
| - private String mapValueSource(int source) { |
185 |
| - switch (source) { |
186 |
| - case FirebaseRemoteConfig.VALUE_SOURCE_STATIC: |
187 |
| - return "static"; |
188 |
| - case FirebaseRemoteConfig.VALUE_SOURCE_DEFAULT: |
189 |
| - return "default"; |
190 |
| - case FirebaseRemoteConfig.VALUE_SOURCE_REMOTE: |
191 |
| - return "remote"; |
192 |
| - default: |
193 |
| - return "static"; |
194 |
| - } |
| 45 | + private void tearDownChannel() { |
| 46 | + channel.setMethodCallHandler(null); |
| 47 | + channel = null; |
195 | 48 | }
|
196 | 49 | }
|
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