Re: [androidbrasil-dev] [Dúvida] HelloWorld no mac os x

Oi pessoal!

Procurei muito antes de postar, mas nao consegui resolver esse problema.

Estou começando a programar para Android.

Fiz um hello world básico.

No windows funciona perfeito, mas no macbook não.

Parece que esta' tudo ok, chega a aparecer a aplicação e exibir o hello world, mas logo e' encerrada assim: "Unfortunately, HelloWorld has stopped".

Desculpa vir com duvidas básicas, mas não encontrei um solução para o meu caso.

Muito obrigado. Fernando

No console aparece isso :

[2014-12-09 14:58:30 - HelloWorld] Android Launch!

[2014-12-09 14:58:30 - HelloWorld] adb is running normally.

[2014-12-09 14:58:30 - HelloWorld] Performing com.example.helloworld.MainActivity activity launch

[2014-12-09 14:58:30 - HelloWorld] Automatic Target Mode: using existing emulator 'emulator-5554' running compatible AVD 'Dev3'

[2014-12-09 14:58:33 - HelloWorld] Application already deployed. No need to reinstall.

[2014-12-09 14:58:33 - HelloWorld] Starting activity com.example.helloworld.MainActivity on device emulator-5554

[2014-12-09 14:58:35 - HelloWorld] ActivityManager: Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.example.helloworld/.MainActivity }

e no logcat uma coisa que me chamou atenção foi isso:

12-09 12:03:39.435: I/Choreographer(388): Skipped 55 frames!  The application may be doing too much work on its main thread.

12-09 12:03:39.545: D/AndroidRuntime(1566): Shutting down VM

12-09 12:03:39.545: W/dalvikvm(1566): threadid=1: thread exiting with uncaught exception (group=0xb2a57ba8)

12-09 12:03:39.565: E/AndroidRuntime(1566): FATAL EXCEPTION: main

12-09 12:03:39.565: E/AndroidRuntime(1566): Process: com.example.helloworld, PID: 1566

12-09 12:03:39.565: E/AndroidRuntime(1566): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.helloworld/com.example.helloworld.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.example.helloworld.MainActivity" on path: DexPathList[[zip file "/data/app/com.example.helloworld-2.apk"],nativeLibraryDirectories=[/data/app-lib/com.example.helloworld-2, /system/lib]]

12-09 12:03:39.565: E/AndroidRuntime(1566):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2121)

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

   xmlns:tools="http://schemas.android.com/tools"

   android:layout_width="match_parent"

   android:layout_height="match_parent" >

   <TextView

       android:layout_width="wrap_content"

       android:layout_height="wrap_content"

       android:layout_centerHorizontal="true"

       android:layout_centerVertical="true"

       android:text="@string/hello_world"

       tools:context=".MainActivity" />

</RelativeLayout>

__________________________

package com.example;

import com.example.helloworld.R;

import android.app.Activity;

import android.os.Bundle;

public class MainActivity extends Activity {

 @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

}

_________________

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.helloworld"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="19" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

           android:name=".MainActivity"

           android:label="@string/title_activity_main" >

           <intent-filter>

               <action android:name="android.intent.action.MAIN" />

               <category android:name="android.intent.category.LAUNCHER"/>

           </intent-filter>

        </activity>

    </application>

</manifest>

___________________

<resources>

    <string name="app_name">HelloWorld</string>

    <string name="hello_world">Hello world!</string>

    <string name="menu_settings">Settings</string>

    <string name="title_activity_main">MainActivity</string>

</resources>

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