ReactNative获取版本号

亦凉 2022-05-29 10:22 315阅读 0赞

package com.framework.modules.modules;
    
    
    import android.content.Context;
    import android.content.pm.PackageManager;
    
    import com.facebook.react.bridge.Callback;
    import com.facebook.react.bridge.ReactApplicationContext;
    import com.facebook.react.bridge.ReactContextBaseJavaModule;
    import com.facebook.react.bridge.ReactMethod;
    
    import org.json.JSONException;
    import org.json.JSONObject;
    
    public class VersionModule extends ReactContextBaseJavaModule { 
    
        private Context context;
    
        public VersionModule(ReactApplicationContext reactContext) {
            super(reactContext);
            this.context = reactContext;
        }
    
        @Override
        public String getName() {
            return "VersionModule";
        }
    
        public static int getVersionCode(Context mContext) {
            if (mContext != null) {
                try {
                    return mContext.getPackageManager().getPackageInfo(mContext.getPackageName(), 0).versionCode;
                } catch (PackageManager.NameNotFoundException ignored) {
                }
            }
            return 0;
        }
    
        public static String getVersionName(Context mContext) {
            if (mContext != null) {
                try {
                    return mContext.getPackageManager().getPackageInfo(mContext.getPackageName(), 0).versionName;
                } catch (PackageManager.NameNotFoundException ignored) {
                }
            }
    
            return "";
        }
    
        @ReactMethod
        public void getVersionInfo(final Callback callback) {
            JSONObject versionInfo = new JSONObject();
            try {
                versionInfo.put("versionCode", getVersionCode(context));
                versionInfo.put("versionName", getVersionName(context));
            } catch (JSONException e) {
                e.printStackTrace();
            }
            callback.invoke(versionInfo.toString());
        }
    }