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Hi i'm newbie on ionic v3, i have error when check requirements (with sudo) or execute on ubuntu 18.04:

sudo ionic cordova requirements

result:

cordova requirements



Requirements check results for android:

Java JDK: installed .

Android SDK: not installed 

Failed to find 'ANDROID_HOME' environment variable. Try setting setting it manually.

Failed to find 'android' command in your 'PATH'. Try update your 'PATH' to include path to valid SDK directory.

Android target: not installed 

Android SDK not found. Make sure that it is installed. If it is not at the default location, set the ANDROID_HOME environment variable.

Gradle: not installed 

Could not find gradle wrapper within Android SDK. Could not find Android SDK directory.

Might need to install Android SDK or set up 'ANDROID_HOME' env variable.

Some of requirements check failed

but, i defined into ~/.bashrc SDK android path

export ANDROID_HOME=$HOME"/Programs/android-sdk"

export PATH=${PATH}:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools

the same problem is when execute into CLI:

sudo ionic cordova run android --device

ionic-v1 build

[18:10:15] Invoking sass gulp task.

cordova run android --device

Running command: /home/christian/example/tt1/hooks/after_prepare/010_add_platform_class.js /home/christian/example/tt1

add to body class: platform-android

Failed to find 'ANDROID_HOME' environment variable. Try setting setting it manually.

Failed to find 'android' command in your 'PATH'. Try update your 'PATH' to include path to valid SDK directory.

[ERROR] An error occurred while running subprocess cordova.

cordova run android --device exited with exit code 1.

Re-running this command with the --verbose flag may provide more information

with --verbose

Executing script found in hooks directory for hook "after_prepare": hooks/after_prepare/010_add_platform_class.js

 Running command: /home/christian/example/tt1/hooks/after_prepare/010_add_platform_class.js /home/christian/example/tt1

 add to body class: platform-android

 Command finished with error code 0: /home/christian/example/tt1/hooks/after_prepare/010_add_platform_class.js /home/christian/example/tt1

 Failed to find 'ANDROID_HOME' environment variable. Try setting setting it manually.

 Failed to find 'android' command in your 'PATH'. Try update your 'PATH' to include path to valid SDK directory.

 CordovaError: Failed to find 'ANDROID_HOME' environment variable. Try setting setting it manually.

 Failed to find 'android' command in your 'PATH'. Try update your 'PATH' to include path to valid SDK directory.

     at /home/christian/example/tt1/platforms/android/cordova/lib/check_reqs.js:223:19

     at _fulfilled (/home/christian/example/tt1/platforms/android/cordova/node_modules/q/q.js:834:54)

     at self.promiseDispatch.done (/home/christian/example/tt1/platforms/android/cordova/node_modules/q/q.js:863:30)

     at Promise.promise.promiseDispatch (/home/christian/example/tt1/platforms/android/cordova/node_modules/q/q.js:796:13)

     at /home/christian/example/tt1/platforms/android/cordova/node_modules/q/q.js:857:14

     at runSingle (/home/christian/example/tt1/platforms/android/cordova/node_modules/q/q.js:137:13)

     at flush (/home/christian/example/tt1/platforms/android/cordova/node_modules/q/q.js:125:13)

     at _combinedTickCallback (internal/process/next_tick.js:131:7)

     at process._tickCallback (internal/process/next_tick.js:180:9)

 [ERROR] An error occurred while running subprocess cordova.



         cordova run android --device --verbose exited with exit code 1.



         Re-running this command with the --verbose flag may provide more information.

   ionic:cli-framework:utils:process onBeforeExit handler: process.exit received +0ms

   ionic:cli-framework:utils:process onBeforeExit handler: running 2 functions +0ms

   ionic:cli-framework:utils:process onBeforeExit handler: exiting (exit code 1) +8ms

What could be causing this problem?