こんにちは、アンドロイドハイブの例を使用してファイルを作成しましたが、次のエラーが発生しているようです。ログイン ボタンまたは登録ボタンをクリックするたびに UI が正常に動作し、強制的に閉じられますか?
04-13 14:41:31.911: D/dalvikvm(431): GC_FOR_MALLOC freed 3881 objects / 200672 bytes in 88ms 04-13 14:41:32.110: E/JSON(431): <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> 04-13 14:41:32.110: E/JSON(431): <html><head> 04-13 14:41:32.110: E/JSON(431): <title>404 Not Found</title> 04-13 14:41:32.110: E/JSON(431): </head><body> 04-13 14:41:32.110: E/JSON(431): <h1>Not Found</h1> 04-13 14:41:32.110: E/JSON(431): <p>The requested URL /android_login_api/ was not found on > this server.</p> 04-13 14:41:32.110: E/JSON(431): </body></html> 04-13 14:41:32.120: E/JSON Parser(431): Error parsing data org.json.JSONException: Value <!> DOCTYPE of type java.lang.String cannot be converted to JSONObject 04-13 14:41:32.131: D/AndroidRuntime(431): Shutting down VM 04-13 14:41:32.131: W/dalvikvm(431): threadid=1: thread exiting with uncaught exception > > (group=0x4001d800) 04-13 14:41:32.131: E/AndroidRuntime(431): FATAL EXCEPTION: main 04-13 14:41:32.131: E/AndroidRuntime(431): java.lang.NullPointerException 04-13 14:41:32.131: E/AndroidRuntime(431): at com.screenssample.LoginActivity$1.onClick> > (LoginActivity.java:59) 04-13 14:41:32.131: E/AndroidRuntime(431): at android.view.View.performClick(View.java:2408) 04-13 14:41:32.131: E/AndroidRuntime(431): at android.view.View$PerformClick.run> > > (View.java:8816) 04-13 14:41:32.131: E/AndroidRuntime(431): at android.os.Handler.handleCallback> > > (Handler.java:587) 04-13 14:41:32.131: E/AndroidRuntime(431): at android.os.Handler.dispatchMessage> > > (Handler.java:92) 04-13 14:41:32.131: E/AndroidRuntime(431): at android.os.Looper.loop(Looper.java:123) 04-13 14:41:32.131: E/AndroidRuntime(431): at android.app.ActivityThread.main> > > (ActivityThread.java:4627) 04-13 14:41:32.131: E/AndroidRuntime(431): at java.lang.reflect.Method.invokeNative(Native > Method) 04-13 14:41:32.131: E/AndroidRuntime(431): at java.lang.reflect.Method.invoke> > > (Method.java:521) 04-13 14:41:32.131: E/AndroidRuntime(431): at om.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 04-13 14:41:32.131: E/AndroidRuntime(431): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 04-13 14:41:32.131: E/AndroidRuntime(431): at dalvik.system.NativeStart.main(Native Method)
LoginActivity コードは読み取ります
パッケージcom.screenssample;
import java.util.HashMap; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import com.screenssample.DatabaseHandler; import com.screenssample.UserFunctions; public class LoginActivity extends Activity { Button btnLogin; Button btnLinkToRegister; EditText inputEmail; EditText inputPassword; TextView loginErrorMsg;
// JSON Response node names
private static String KEY_SUCCESS = "success";
private static String KEY_ERROR = "error";
private static String KEY_ERROR_MSG = "error_msg";
private static String KEY_UID = "uid";
private static String KEY_NAME = "name";
private static String KEY_EMAIL = "email";
private static String KEY_CREATED_AT = "created_at";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.login);
// Importing all assets like buttons, text fields
inputEmail = (EditText) findViewById(R.id.loginEmail);
inputPassword = (EditText) findViewById(R.id.loginPassword);
btnLogin = (Button) findViewById(R.id.btnLogin);
btnLinkToRegister = (Button) findViewById(R.id.btnLinkToRegisterScreen);
loginErrorMsg = (TextView) findViewById(R.id.login_error);
// Login button Click Event
btnLogin.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
String email = inputEmail.getText().toString();
String password = inputPassword.getText().toString();
UserFunctions userFunction = new UserFunctions();
JSONObject json = userFunction.loginUser(email, password);
// check for login response
try {
if (json.getString(KEY_SUCCESS) != null) {
loginErrorMsg.setText("");
String res = json.getString(KEY_SUCCESS);
if(Integer.parseInt(res) == 1){
// user successfully logged in
// Store user details in SQLite Database
DatabaseHandler db = new DatabaseHandler(getApplicationContext());
JSONObject json_user = json.getJSONObject("user");
// Clear all previous data in database
userFunction.logoutUser(getApplicationContext());
db.addUser(json_user.getString(KEY_NAME), json_user.getString(KEY_EMAIL), json.getString(KEY_UID), json_user.getString(KEY_CREATED_AT));
// Launch Dashboard Screen
Intent dashboard = new Intent(getApplicationContext(), DashboardActivity.class);
// Close all views before launching Dashboard
dashboard.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(dashboard);
// Close Login Screen
finish();
}else{
// Error in login
loginErrorMsg.setText("Incorrect username/password");
}
}
} catch (JSONException e) {
e.printStackTrace();
}
}
});
// Link to Register Screen
btnLinkToRegister.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
Intent i = new Intent(getApplicationContext(),
RegisterActivity.class);
startActivity(i);
finish();
}
});
}
}