how to pass value data between classes/activity in Android?

Question

For example i have activity1, activity2, activity3 and lastly valueAllActivity? how do I pass the data from activity1, activity2, activity3 to --> valueAllActivity?

Answer 1

To pass using the intent just do like that:

private String fUserName;

private String fPassword;

private Boolean fUseProxy;

private String fProxyAddress;

private Integer fProxyPort;

/** Called when the activity is first created. */

@Override   public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.dashboard_activity);
        fProjectsButton = (Button) findViewById(R.id.dashProjectsButton);

         fUserName = "something";
         fPassword = "xxx";
         fUseProxy = false;
         fProxyAddress = "";
         fProxyPort = 80;

       fProjectsButton.setOnClickListener(new OnClickListener() {
                    public void onClick(View v) {

           Intent i = new Intent(CodeBaseClientDashBoardActivity.this, CodeBaseClientProjectsActivity.class);

           i.putExtra(CodeBaseClientSettingsActivity.PREFERENCE_API_USERNAME, fUserName);
           i.putExtra(CodeBaseClientSettingsActivity.PREFERENCE_PASSWORD, fPassword);
           i.putExtra(CodeBaseClientSettingsActivity.PREFERENCE_USE_PROXY, fUseProxy);
           i.putExtra(CodeBaseClientSettingsActivity.PREFERENCE_PROXY_ADDRESS, fProxyAddress);
           i.putExtra(CodeBaseClientSettingsActivity.PREFERENCE_PROXY_PORT, fProxyPort);

           startActivity(i);
        }
});
}