My Android screen is filled with the Oracle Logo

Hello, I had two problems to solve

First: I am new to use jdeveloper 12 c to develop Mobile.after ADF oracle Jdeveloper 12 c 64-bit of downloading. I deal with my system of window currently I am going through an oracle tutorial. When I try to test some of the samples in the tutorial, after deployment, the screen of my android emulator will be filled with oracle logo.what is the problem? I need helpUntitled-1.gif

Second: I'm going through this demo on this site:

http://docs.Oracle.com/CD/E53569_01/tutorials/tut_jdev_maf_app/tut_jdev_maf_app.html .

I followed the procedure also exactly as it is.but I reviece this error on my 12 c Jdeveloper,error:

[17: 57:57] application signing...

[17: 57:57] run command line: ["C:\Oracle\Middleware\Oracle_Home\oracle_common\jdk\bin\jarsigner" - keystore, "C:\Program Files\Java\jdk1.7.0_11\bin\Omile.keystore", - storepass, - keypass, madu123, madu123 - digestalg, SHA1 - sigalg MD5withRSA, "C:\JDeveloper\mywork\Employees\deploy\Omile\Employees.apk", Omile]

[17: 57:57] jarsigner: certificate chain could not be found for: Omile.  Omile must refer to a valid key KeyStore entry containing a private key certificates chain and corresponding public key.

[17: 57:57] command-line execution failed (return code: 1).

[17: 57:57] run command line: "C:\Oracle\Middleware\Oracle_Home\oracle_common\jdk\bin\jarsigner" - keystore "C:\Program Files\Java\jdk1.7.0_11\bin\Omile.keystore" - storepass madu123 - keypass madu123 - digestalg SHA1 - sigalg MD5withRSA "C:\JDeveloper\mywork\Employees\deploy\Omile\Employees.apk' Omile

[17: 57:57] undeployment.

[17: 57:57] - incomplete deployment.

[17: 57:57] deployment failed due to one or more errors returned by "C:\Oracle\Middleware\Oracle_Home\oracle_common\jdk\bin\jarsigner".  What follows is a summary of the returned error:

Command-line execution failed (return code: 1).

Thanks for your help

To the first question, you can check in point 3 in the following blog:

Deepak Jain blog: Oracle MAF - questions, tips and tricks

Tags: Oracle Mobile

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