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ReactActivity.java
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ReactActivity.java
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package com.example.rn.thenativeparts;
import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import com.example.rn.thenativeparts.communication.CommunicationPackage;
import com.example.rn.thenativeparts.counter.CounterViewPackage;
import com.facebook.react.ReactInstanceManager;
import com.facebook.react.ReactPackage;
import com.facebook.react.ReactRootView;
import com.facebook.react.common.LifecycleState;
import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler;
import com.facebook.react.shell.MainReactPackage;
import java.util.ArrayList;
import java.util.List;
public class ReactActivity extends Activity implements DefaultHardwareBackBtnHandler {
private static final String REACT_MODULE_NAME = "TheNativeParts";
private ReactRootView mReactRootView;
private ReactInstanceManager mReactInstanceManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
List<ReactPackage> packages = new ArrayList<>();
packages.add(new MainReactPackage());
packages.add(new CommunicationPackage());
packages.add(new CounterViewPackage());
mReactRootView = new ReactRootView(ReactActivity.this);
mReactInstanceManager = ReactInstanceManager.builder()
.setApplication(getApplication())
.setBundleAssetName("index.android.bundle")
.setJSMainModulePath("index.android")
.addPackages(packages)
.setUseDeveloperSupport(BuildConfig.DEBUG)
.setInitialLifecycleState(LifecycleState.RESUMED)
.build();
mReactRootView.startReactApplication(mReactInstanceManager, REACT_MODULE_NAME, null);
setContentView(mReactRootView);
}
@Override
protected void onPause() {
super.onPause();
if (mReactInstanceManager != null) {
mReactInstanceManager.onHostPause(ReactActivity.this);
}
}
@Override
protected void onResume() {
super.onResume();
if (mReactInstanceManager != null) {
mReactInstanceManager.onHostResume(ReactActivity.this, ReactActivity.this);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mReactInstanceManager != null) {
mReactInstanceManager.onHostDestroy(ReactActivity.this);
}
if (mReactRootView != null) {
mReactRootView.unmountReactApplication();
}
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_MENU && mReactInstanceManager != null) {
mReactInstanceManager.showDevOptionsDialog();
return true;
}
return super.onKeyUp(keyCode, event);
}
@Override
public void onBackPressed() {
if (mReactInstanceManager != null) {
mReactInstanceManager.onBackPressed();
} else {
super.onBackPressed();
}
}
@Override
public void invokeDefaultOnBackPressed() {
super.onBackPressed();
}
}