我安装了react-native-file-provider,并且在gradle构建过程中出现此错误。执行任务失败 ':app:compileDebugJavaWithJavac'。 编译失败;有关详细信息,请参见编译器错误输出。
/../test2/android/app/src/main/java/com/testapp2/MainApplication.java:5: error: cannot find symbol
import com.facebook.react.ReactApplication;
^
symbol: class ReactApplication
location: package com.facebook.react
/../test2/android/app/src/main/java/com/testapp2/MainApplication.java:8: error: cannot find symbol
import com.facebook.react.ReactNativeHost;
^
symbol: class ReactNativeHost
location: package com.facebook.react
/../test2/android/app/src/main/java/com/testapp2/MainApplication.java:16: error: cannot find symbol
public class MainApplication extends Application implements ReactApplication {
^
symbol: class ReactApplication
/../test2/android/app/src/main/java/com/testapp2/MainApplication.java:18: error: cannot find symbol
private final ReactNativeHost mReactNativeHost = new ReactNativeHost(this) {
^
symbol: class ReactNativeHost
location: class MainApplication
/../test2/android/app/src/main/java/com/testapp2/MainApplication.java:40: error: cannot find symbol
public ReactNativeHost getReactNativeHost() {
^
symbol: class ReactNativeHost
location: class MainApplication
/../`enter code here`test2/android/app/src/main/java/com/testapp2/MainActivity.java:5: error: MainActivity is not abstract and does not override abstract method getPackages() in ReactActivity
public class MainActivity extends ReactActivity {
^
/../test2/android/app/src/main/java/com/testapp2/MainApplication.java:18: error: cannot find symbol
private final ReactNativeHost mReactNativeHost = new ReactNativeHost(this) {
^
symbol: class ReactNativeHost
location: class MainApplication
/../test2/android/app/src/main/java/com/testapp2/MainApplication.java:39: error: method does not override or implement a method from a supertype
@Override
^
8 errors