我的申请中有注册活动。它具有用户名，电子邮件，密码和手机号码的输入。我已经创建了一个UI。
代码：
public class RegisterActivity extends AppCompatActivity {
TextView already;
Button signUp;
RelativeLayout parent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
parent = (RelativeLayout)findViewById(R.id.parentPanel);
setupUI(parent);
already = (TextView)findViewById(R.id.alreadyRegistered);
signUp = (Button) findViewById(R.id.sign_up_button);
already.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(RegisterActivity.this,LoginActivity.class));
}
});
signUp.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(RegisterActivity.this,LoginActivity.class));
}
});
}
public static void hideSoftKeyboard(Activity activity) {
InputMethodManager inputMethodManager = (InputMethodManager) activity.getSystemService(Activity.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(), 0);
}
public void setupUI(View view) {
//Set up touch listener for non-text box views to hide keyboard.
if(!(view instanceof EditText)) {
view.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
hideSoftKeyboard(RegisterActivity.this);
return false;
}
});
}
//If a layout container, iterate over children and seed recursion.
if (view instanceof ViewGroup) {
for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
View innerView = ((ViewGroup) view).getChildAt(i);
setupUI(innerView);
}
}
}
}
现在，我想将此UI与服务器同步。
为此，我在另一个活动中创建了asyncTask的代码。如何调用此代码或使用UI实施此代码？
AsyncTask代码：RegisterActivity
public class RegisterActivity extends AppCompatActivity {
Context context;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
context = this;
RegisterAsyncTask task = new RegisterAsyncTask();
String userPhoto = "iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAABHNCSVQICAgIfAhkiAAAAAlwSFlLBAIHAGdIMrN7hH1jKkmZz+d7MPu15md6PtCyrHmqvsgNVjY7Djh69OgwEaU1pkVwanKK0NLSsgvA8Vk=";
HashMap<String, String> params = new HashMap<String, String>();
params.put("userUsername", "user1");
params.put("userPassword", "user1");
params.put("gender", "M");
params.put("birthDate", "1986/7/12");
params.put("religion", "Hindu");
params.put("nationality", "Indian");
params.put("motherTongue", "Marathi");
params.put("birthPlace", "Pune");
params.put("userCountry", "India");
params.put("userState", "Maharashtra");
params.put("userCity", "Nashik");
params.put("userPincode", "422101");
params.put("userEmailid", "[email protected]");
params.put("userMobileNo", "9696323252");
params.put("userPhoto", userPhoto);
}
public class RegisterAsyncTask extends AsyncTask<Map<String, String>, Void, JSONObject>{
@Override
protected JSONObject doInBackground(Map<String, String>... params) {
try {
String api = context.getResources().getString(R.string.server_url) + "api/user/register.php";
Map2JSON mjs = new Map2JSON();
JSONObject jsonParams = mjs.getJSON(params[0]);
ServerRequest request = new ServerRequest(api, jsonParams);
return request.sendRequest();
} catch(JSONException je) {
return Excpetion2JSON.getJSON(je);
}
}
@Override
protected void onPostExecute(JSONObject jsonObject) {
super.onPostExecute(jsonObject);
Log.d("ServerResponse", jsonObject.toString());
try {
int result = jsonObject.getInt("result");
String message = jsonObject.getString("message");
if ( result == 1 ) {
Toast.makeText(context, message, Toast.LENGTH_LONG).show();
//Code for having successful result for register api goes here
} else {
Toast.makeText(context, message, Toast.LENGTH_LONG).show();
//Code when api fails goes here
}
} catch(JSONException je) {
je.printStackTrace();
Toast.makeText(context, je.getMessage(), Toast.LENGTH_LONG).show();
}
}
}
}
我该如何同步呢？请帮忙。谢谢你。
编辑：
getEventsAsyncTask：
public class GetEventsAsyncTask extends AsyncTask<Void, Void, JSONObject> {
String api;
private Context context;
public GetEventsAsyncTask(Context context) {
this.context = context;
}
@Override
protected JSONObject doInBackground(Void... params) {
try {
api = context.getResources().getString(R.string.server_url) + "api/event/getEvents.php";
ServerRequest request = new ServerRequest(api);
return request.sendGetRequest();
} catch(Exception e) {
return Excpetion2JSON.getJSON(e);
}
} //end of doInBackground
@Override
protected void onPostExecute(JSONObject response) {
super.onPostExecute(response);
Log.e("ServerResponse", response.toString());
try {
int result = response.getInt("result");
String message = response.getString("message");
if (result == 1 ) {
Toast.makeText(context, message, Toast.LENGTH_LONG).show();
//code after getting profile details goes here
} else {
Toast.makeText(context, message, Toast.LENGTH_LONG).show();
//code after failed getting profile details goes here
}
} catch(JSONException je) {
je.printStackTrace();
Toast.makeText(context, je.getMessage(), Toast.LENGTH_LONG).show();
}
} //end of onPostExecute
}
对话方块：
@Override
protected Dialog onCreateDialog(int id) {
Dialog dialog = null;
String[] listContent = {"Wedding",
"Anniversary",
"Naming Ceremony/Baptism",
"Thread Ceremony",
"Engagement",
"Birthday",
"Friends and Family Meet",
"Funeral",
"Movie",
"Play"};
switch(id) {
case CUSTOM_DIALOG_ID:
dialog = new Dialog(PlanEventActivity.this);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setContentView(R.layout.choose_event_dialog);
dialog.setCancelable(true);
dialog.setCanceledOnTouchOutside(true);
dialog.setOnCancelListener(new DialogInterface.OnCancelListener(){
@Override
public void onCancel(DialogInterface dialog) {
// TODO Auto-generated method stub
}});
dialog.setOnDismissListener(new DialogInterface.OnDismissListener(){
@Override
public void onDismiss(DialogInterface dialog) {
// TODO Auto-generated method stub
}});
//Prepare ListView in dialog
dialog_ListView = (ListView)dialog.findViewById(R.id.dialoglist);
ArrayAdapter<String> adapter
= new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, listContent);
dialog_ListView.setAdapter(adapter);
dialog_ListView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
chooseEventText.setText(parent.getItemAtPosition(position).toString());
dismissDialog(CUSTOM_DIALOG_ID);
}});
break;
}
return dialog;
}
在此对话框中，要显示来自asyncTask的事件。谢谢你。
不知道我是否正确理解了您的问题，但是要执行AsyncTask，您只需创建一个实例RegisterAsyncTask并execute()在其上调用该方法。
RegisterAsyncTask task = new RegisterAsyncTask();
task.execute(yourMap);
// you can pass multiple params to the execute() method
或者，如果您不需要保留实例：
new RegisterAsyncTask().execute(yourMap);
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