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Expose initialAppState constant from Android native AppState module #19935

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Expose initialAppState constant from Android native AppState module #19935

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e9d8231
Expose initialAppState constant from Android native AppState module
Jun 27, 2018
05f569a
fixing license text
Jun 27, 2018
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17 changes: 14 additions & 3 deletions ReactAndroid/src/main/java/com/facebook/react/modules/appstate/AppStateModule.java
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Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,13 @@
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.bridge.WritableMap;
import com.facebook.react.common.LifecycleState;
import com.facebook.react.module.annotations.ReactModule;
import com.facebook.react.modules.core.DeviceEventManagerModule.RCTDeviceEventEmitter;

import java.util.HashMap;
import java.util.Map;

@ReactModule(name = AppStateModule.NAME)
public class AppStateModule extends ReactContextBaseJavaModule
implements LifecycleEventListener {
Expand All @@ -26,10 +30,15 @@ public class AppStateModule extends ReactContextBaseJavaModule
public static final String APP_STATE_ACTIVE = "active";
public static final String APP_STATE_BACKGROUND = "background";

private String mAppState = "uninitialized";
private static final String INITIAL_STATE = "initialAppState";

private String mAppState;

public AppStateModule(ReactApplicationContext reactContext) {
super(reactContext);
reactContext.addLifecycleEventListener(this);
mAppState = (reactContext.getLifecycleState() == LifecycleState.RESUMED ?
APP_STATE_ACTIVE : APP_STATE_BACKGROUND);
}

@Override
Expand All @@ -38,8 +47,10 @@ public String getName() {
}

@Override
public void initialize() {
getReactApplicationContext().addLifecycleEventListener(this);
public Map<String, Object> getConstants() {
HashMap<String, Object> constants = new HashMap<>();
constants.put(INITIAL_STATE, mAppState);
return constants;
}

@ReactMethod
Expand Down