com.lighters.demos.reactnative.ToastRnActivity.java Source code

Java tutorial

Introduction

Here is the source code for com.lighters.demos.reactnative.ToastRnActivity.java

Source

/*
 * Copyright (C) 2016 david.wei (lighters)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.lighters.demos.reactnative;

import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import com.facebook.react.ReactInstanceManager;
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 com.lighters.demos.BuildConfig;

/**
 * Created by david on 16/10/12.
 * Email: huangdiv5@gmail.com
 * GitHub: https://github.com/alighters
 */

public class ToastRnActivity extends Activity implements DefaultHardwareBackBtnHandler {
    private ReactRootView mReactRootView;
    private ReactInstanceManager mReactInstanceManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mReactRootView = new ReactRootView(this);
        mReactInstanceManager = ReactInstanceManager.builder().setApplication(getApplication())
                .setBundleAssetName("index.android.bundle").setJSMainModuleName("index.android")
                .addPackage(new MainReactPackage()).addPackage(new ToastExampleReactPackage())
                .setUseDeveloperSupport(BuildConfig.DEBUG)
                //.setUseDeveloperSupport(false)
                .setInitialLifecycleState(LifecycleState.RESUMED)
                //.setUseOldBridge(true) // uncomment this line if your app crashes
                .build();
        mReactRootView.startReactApplication(mReactInstanceManager, "HelloWorld", null);

        setContentView(mReactRootView);
    }

    @Override
    public void invokeDefaultOnBackPressed() {
        super.onBackPressed();
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (mReactInstanceManager != null) {
            mReactInstanceManager.onHostPause(this);
        }
    }

    @Override
    protected void onResume() {
        super.onResume();

        if (mReactInstanceManager != null) {
            mReactInstanceManager.onHostResume(this, this);
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();

        if (mReactInstanceManager != null) {
            mReactInstanceManager.onHostDestroy(this);
        }
    }

    @Override
    public void onBackPressed() {
        if (mReactInstanceManager != null) {
            mReactInstanceManager.onBackPressed();
        } else {
            super.onBackPressed();
        }
    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_MENU && mReactInstanceManager != null) {
            mReactInstanceManager.showDevOptionsDialog();
            return true;
        }
        return super.onKeyUp(keyCode, event);
    }

}