can't build apk when use this plugin about cordova-plugin-app-update HOT 10 CLOSED

 ionic start myApp blank


cd myApp


ionic platforms add android

ionic plugin add cordova-plugin-app-update

npm install --save @ionic-native/app-update


then

ionic build android  

:compileDebugJavaWithJavac - is not incremental (e.g. outputs have changed, no previous execution, etc.).

/Users/richard.g/Documents/workspaces/myApp/platforms/android/src/com/vaenow/appupdate/android/CheckAppUpdate.java:6: error: package android.support.v4.app does not exist
import android.support.v4.app.ActivityCompat;
                             ^

/Users/richard.g/Documents/workspaces/myApp/platforms/android/src/com/vaenow/appupdate/android/CheckAppUpdate.java:52: error: cannot find symbol
        int permission = ActivityCompat.checkSelfPermission(activity,
                         ^
  symbol:   variable ActivityCompat
  location: class CheckAppUpdate


/Users/richard.g/Documents/workspaces/myApp/platforms/android/src/com/vaenow/appupdate/android/CheckAppUpdate.java:57: error: cannot find symbol

            ActivityCompat.requestPermissions(activity, PERMISSIONS_STORAGE,

            ^
  symbol:   variable ActivityCompat

  location: class CheckAppUpdate

Note: /Users/richard.g/Documents/workspaces/myApp/platforms/android/src/org/apache/cordova/splashscreen/SplashScreen.java uses or overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

3 errors

:compileDebugJavaWithJavac 
FAILED


FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileDebugJavaWithJavac'.

> Compilation failed; see the compiler error output for details.


* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.


BUILD FAILED

Total time: 3.072 secs

Error: /Users/richard.g/Documents/workspaces/myApp/platforms/android/gradlew: Command failed with exit code 1 Error output:
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
/Users/richard.g/Documents/workspaces/myApp/platforms/android/src/com/vaenow/appupdate/android/CheckAppUpdate.java:6: error: package android.support.v4.app does not exist
import android.support.v4.app.ActivityCompat;
                             ^
/Users/richard.g/Documents/workspaces/myApp/platforms/android/src/com/vaenow/appupdate/android/CheckAppUpdate.java:52: error: cannot find symbol
        int permission = ActivityCompat.checkSelfPermission(activity,
                         ^
  symbol:   variable ActivityCompat
  location: class CheckAppUpdate
/Users/richard.g/Documents/workspaces/myApp/platforms/android/src/com/vaenow/appupdate/android/CheckAppUpdate.java:57: error: cannot find symbol
            ActivityCompat.requestPermissions(activity, PERMISSIONS_STORAGE,
            ^
  symbol:   variable ActivityCompat
  location: class CheckAppUpdate
Note: /Users/richard.g/Documents/workspaces/myApp/platforms/android/src/org/apache/cordova/splashscreen/SplashScreen.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
3 errors

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.