Mendapatkan pengecualian nullpointer saat menjalankan ionic cordova, jalankan Android:
E:\Workspace\Angular\myTabs>ionic cordova run android --device
Running app-scripts build: --address 0.0.0.0 --port 8100 --p 8100 --livereload-port 35729 --r 35729 --iscordovaserve
--externalIpRequired --nobrowser
[13:31:48] build dev started ...
[13:31:49] clean started ...
[13:31:49] clean finished in 18 ms
[13:31:49] copy started ...
[13:31:49] transpile started ...
[13:32:04] transpile finished in 14.96 s
[13:32:04] preprocess started ...
[13:32:04] deeplinks started ...
[13:32:04] deeplinks finished in 61 ms
[13:32:04] preprocess finished in 66 ms
[13:32:04] webpack started ...
[13:32:05] copy finished in 16.44 s
[13:32:45] webpack finished in 41.65 s
[13:32:45] sass started ...
[13:32:50] sass finished in 4.80 s
[13:32:50] postprocess started ...
[13:32:50] postprocess finished in 17 ms
[13:32:50] lint started ...
[13:32:50] build dev finished in 61.72 s
> cordova run android --device
ANDROID_HOME=C:\Users\ghanendra\AppData\Local\Android\sdk
JAVA_HOME=C:\Program Files\Java\jdk1.8.0_51
Subproject Path: CordovaLib
[13:33:03] lint finished in 12.38 s
The Task.leftShift(Closure) method has been deprecated and is scheduled to be removed in Gradle 5.0. Please use Task.
doLast(Action) instead.
at build_1n7tz8l3280mv8kwgyclznwu1.run(E:\Workspace\Angular\myTabs\platforms\android\build.gradle:137)
Checking the license for package Android SDK Build-Tools 26 in C:\Users\ghanendra\AppData\Local\Android\sdk\licenses
License for package Android SDK Build-Tools 26 accepted.
Preparing "Install Android SDK Build-Tools 26".
BUILD FAILED
Total time: 8.785 secs
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring root project 'android'.
> java.lang.NullPointerException (no error message)
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
Error: cmd: Command failed with exit code 1 Error output:
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring root project 'android'.
> java.lang.NullPointerException (no error message)
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
[ERROR] Cordova encountered an error.
You may get more insight by running the Cordova command above directly.
[ERROR] An error occurred while running cordova run android --device (exit code 1).
Saya telah mencari solusi, mencoba menambahkan gradle secara manual ke jalur berikut dengan menjalankan perintah gradle wrapper:
C:\Users\g\AppData\Local\Android\sdk\tools\gradle
Coba juga instruksi yang diberikan di tautan ini
Memperbarui semua alat SDK menggunakan SDK Manager di dalam Android Studio.
Saya telah menginstal Android studio (juga dapat membangun aplikasi asli Android menggunakannya) dan jalur ke alat SDK dan ANDRIOD_HOME dikonfigurasi di dalam variabel lingkungan sistem.
