我想使用Parse.com lib開發我的應用程序。 當用戶登錄到他的賬戶時,他轉到主要活動。他第一次這樣做,沒問題。但是,如果他再次註銷並重新登錄,那麼當他進入主要活動時會顯示錯誤。致命異常Android:無法啓動活動componentInfo
我使用滑動菜單,如果用戶登錄它將顯示選項:設置和註銷。或者,顯示登錄和註冊。
也許錯誤是當我設置這些視圖的可見性。 這裏是logCat。
04-17 17:28:03.155: E/AndroidRuntime(14343): FATAL EXCEPTION: main
04-17 17:28:03.155: E/AndroidRuntime(14343): java.lang.RuntimeException: Unable to start activity ComponentInfo{br.com.fitness.legacy.personal/br.com.activities.fitness.legacy.TelaPrincipalLogado}: android.os.NetworkOnMainThreadException
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1968)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1993)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.app.ActivityThread.access$600(ActivityThread.java:127)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1159)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.os.Handler.dispatchMessage(Handler.java:99)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.os.Looper.loop(Looper.java:137)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.app.ActivityThread.main(ActivityThread.java:4507)
04-17 17:28:03.155: E/AndroidRuntime(14343): at java.lang.reflect.Method.invokeNative(Native Method)
04-17 17:28:03.155: E/AndroidRuntime(14343): at java.lang.reflect.Method.invoke(Method.java:511)
04-17 17:28:03.155: E/AndroidRuntime(14343): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
04-17 17:28:03.155: E/AndroidRuntime(14343): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
04-17 17:28:03.155: E/AndroidRuntime(14343): at dalvik.system.NativeStart.main(Native Method)
04-17 17:28:03.155: E/AndroidRuntime(14343): Caused by: android.os.NetworkOnMainThreadException
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1099)
04-17 17:28:03.155: E/AndroidRuntime(14343): at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.close(OpenSSLSocketImpl.java:922)
04-17 17:28:03.155: E/AndroidRuntime(14343): at org.apache.http.impl.SocketHttpClientConnection.close(SocketHttpClientConnection.java:205)
04-17 17:28:03.155: E/AndroidRuntime(14343): at org.apache.http.impl.conn.DefaultClientConnection.close(DefaultClientConnection.java:161)
04-17 17:28:03.155: E/AndroidRuntime(14343): at org.apache.http.impl.conn.tsccm.AbstractConnPool.closeConnection(AbstractConnPool.java:320)
04-17 17:28:03.155: E/AndroidRuntime(14343): at org.apache.http.impl.conn.tsccm.AbstractConnPool.shutdown(AbstractConnPool.java:296)
04-17 17:28:03.155: E/AndroidRuntime(14343): at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.shutdown(ConnPoolByRoute.java:670)
04-17 17:28:03.155: E/AndroidRuntime(14343): at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager.shutdown(ThreadSafeClientConnManager.java:257)
04-17 17:28:03.155: E/AndroidRuntime(14343): at com.parse.ParseRequest.initialize(ParseRequest.java:106)
04-17 17:28:03.155: E/AndroidRuntime(14343): at com.parse.Parse.initialize(Parse.java:108)
04-17 17:28:03.155: E/AndroidRuntime(14343): at br.com.activities.fitness.legacy.TelaPrincipalLogado.onCreate(TelaPrincipalLogado.java:65)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.app.Activity.performCreate(Activity.java:4465)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1052)
04-17 17:28:03.155: E/AndroidRuntime(14343): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1932)
04-17 17:28:03.155: E/AndroidRuntime(14343): ... 11 more
對不起我的英文不好:/
UPDATE:
我意識到,我已經使用線程的登錄,註銷和註冊。因爲LIB爲我提供以下方法:
ParseUser.logInInBackground(usuario, senha, new LogInCallback() {
public void done(ParseUser user, ParseException e) {
if (user != null) {
Intent it = new Intent(getApplicationContext(), TelaPrincipal.class);
finish();
startActivity(it);
} else {
Log.e("Erro no login", e.getMessage());
Toast.makeText(getBaseContext(), getString(R.string.tente_novamente), Toast.LENGTH_LONG).show();
}
}
});
註冊方法
ParseUser user = new ParseUser();
user.setUsername(usuario);
user.setPassword(senha);
user.setEmail(email);
user.signUpInBackground(new SignUpCallback() {
public void done(ParseException e) {
if (e == null) {
startActivity(new Intent(getApplicationContext(), TelaPrincipal.class));
} else {
Log.e("Erro no Cadastro", e.getMessage());
textViewErro.setText(getString(R.string.tente_novamente));
textViewErro.setVisibility(View.VISIBLE);
}
}
});
所以,如果LIB做這些事情對我拋出一個線程。我需要做什麼?當用戶第一次登錄或註冊時,一切都運行正常。但是如果他註銷並再次登錄,則會顯示異常。我不知道我要做什麼;/
'原因:android.os.NetworkOnMainThreadException' –