martinhocosta Posted September 25, 2013 at 03:16 PM Report #525939 Posted September 25, 2013 at 03:16 PM (edited) boa tarde, estou a comecar a programar para android e estou aqui com um erro que nao sei como resolver the application androidAup(process com.exemple,androidaup)has stopped unexpectedly. please try again.) console [2013-09-25 16:19:06 - androidAup] ActivityManager: Warning: Activity not started, its current task has been brought to the front Alguem me podia ajudar ou dar umas dicas? deixou de dar de um momento para o outro Cumprimentos Edited September 25, 2013 at 03:22 PM by martinhocosta
HappyHippyHippo Posted September 25, 2013 at 03:54 PM Report #525945 Posted September 25, 2013 at 03:54 PM apresenta aqui no fórum o output dado pelo DDMS (vista disponível no eclipse) IRC : sim, é algo que ainda existe >> #p@p Portugol Plus
martinhocosta Posted September 25, 2013 at 04:21 PM Author Report #525955 Posted September 25, 2013 at 04:21 PM (edited) aparece isto 09-25 16:12:13.141: D/AndroidRuntime(523): Shutting down VM 09-25 16:12:13.141: W/dalvikvm(523): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 09-25 16:12:13.239: E/AndroidRuntime(523): FATAL EXCEPTION: main 09-25 16:12:13.239: E/AndroidRuntime(523): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.androidaup/com.example.androidaup.MainActivity}: java.lang.NullPointerException 09-25 16:12:13.239: E/AndroidRuntime(523): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663) 09-25 16:12:13.239: E/AndroidRuntime(523): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 09-25 16:12:13.239: E/AndroidRuntime(523): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 09-25 16:12:13.239: E/AndroidRuntime(523): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 09-25 16:12:13.239: E/AndroidRuntime(523): at android.os.Handler.dispatchMessage(Handler.java:99) 09-25 16:12:13.239: E/AndroidRuntime(523): at android.os.Looper.loop(Looper.java:123) 09-25 16:12:13.239: E/AndroidRuntime(523): at android.app.ActivityThread.main(ActivityThread.java:4627) 09-25 16:12:13.239: E/AndroidRuntime(523): at java.lang.reflect.Method.invokeNative(Native Method) 09-25 16:12:13.239: E/AndroidRuntime(523): at java.lang.reflect.Method.invoke(Method.java:521) 09-25 16:12:13.239: E/AndroidRuntime(523): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 09-25 16:12:13.239: E/AndroidRuntime(523): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 09-25 16:12:13.239: E/AndroidRuntime(523): at dalvik.system.NativeStart.main(Native Method) 09-25 16:12:13.239: E/AndroidRuntime(523): Caused by: java.lang.NullPointerException 09-25 16:12:13.239: E/AndroidRuntime(523): at com.example.androidaup.MainActivity.carregaDados(MainActivity.java:137) 09-25 16:12:13.239: E/AndroidRuntime(523): at com.example.androidaup.MainActivity.onCreate(MainActivity.java:43) 09-25 16:12:13.239: E/AndroidRuntime(523): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 09-25 16:12:13.239: E/AndroidRuntime(523): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627) 09-25 16:12:13.239: E/AndroidRuntime(523): ... 11 more 09-25 16:17:13.588: I/Process(523): Sending signal. PID: 523 SIG: 9 Edited September 25, 2013 at 04:24 PM by martinhocosta
HappyHippyHippo Posted September 25, 2013 at 04:29 PM Report #525957 Posted September 25, 2013 at 04:29 PM que é isto ? 09-25 16:12:13.239: E/AndroidRuntime(523): Caused by: java.lang.NullPointerException 09-25 16:12:13.239: E/AndroidRuntime(523): at com.example.androidaup.MainActivity.carregaDados(MainActivity.java:137) IRC : sim, é algo que ainda existe >> #p@p Portugol Plus
martinhocosta Posted September 25, 2013 at 04:32 PM Author Report #525959 Posted September 25, 2013 at 04:32 PM para carregar dados numa listView public void carregaDados(){ mostraDados = (ListView) findViewById(R.id.textViewcarregaDados); if(verificaregisto()) { String [] coluna = new String[] {Key_pessoa}; adapterLista= new SimpleCursorAdapter(this, R.layout.activity_main, cursor, coluna, new int[] {R.id.listView1}); mostraDados.setAdapter(adapterLista); } else { alerta("Erro banco dados","nao tem cadastros"); } }
HappyHippyHippo Posted September 25, 2013 at 04:36 PM Report #525960 Posted September 25, 2013 at 04:36 PM eu perguntei o que era aquela linha e tu apresentas uma definição ? eu quero saber tanto do que a função faz como quero saber o que a tua aplicação deverá fazer, isto é, escusas de dizer. a única coisa que interessa para resolver o problema é que (muito provavelmente) estás a chamar a função sobre um objecto não instanciado. IRC : sim, é algo que ainda existe >> #p@p Portugol Plus
martinhocosta Posted September 25, 2013 at 04:37 PM Author Report #525962 Posted September 25, 2013 at 04:37 PM já agora nao conhece um bom tuturial de programacao android para fazer passagem de parametros
bioshock Posted September 26, 2013 at 06:17 PM Report #526151 Posted September 26, 2013 at 06:17 PM Se o método é disparado pela via de um click, experimenta: public void carregaDados(View view){} Relativamente à outra questão, o que é que pretendes?
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now