我正在制作instagram克隆应用。在介绍中，几个屏幕的设计非常简单。因此，我认为进行4个活动可能会很混乱。因此，我尝试仅进行一项活动并利用setContentView()并更改活动的布局。
但是，似乎imeOptions不起作用。我添加了android:imeOptions="actionDone"和"actionNext"。它不起作用，因此，我以编程方式在setImeOptions(EditorInfo.xxx)中添加了该选项。
为什么它们不起作用？
但是，当我单击enter键时，编辑文本将变为空。
我已经尝试过OnKeyListener，但效果很好。
这是FirstActivity.java的完整代码：
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.Html;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import org.simplesns.simplesns.GlobalUser;
import org.simplesns.simplesns.R;
import org.simplesns.simplesns.activity.main.MainActivity;
import org.simplesns.simplesns.activity.sign.item.SignUpResult;
import org.simplesns.simplesns.activity.sign.item.ValidResult;
import org.simplesns.simplesns.item.MemberItem;
import org.simplesns.simplesns.lib.remote.RemoteService;
import org.simplesns.simplesns.lib.remote.ServiceGenerator;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
public class FirstActivity extends AppCompatActivity {
private static String TAG = FirstActivity.class.getSimpleName();
int backCount = 0;
String email;
String username;
String password;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
initFirst();
}
@Override
public void onBackPressed() {
backCount++;
switch (backCount) {
case 0:
initFirstEmailValid();
break;
case 1:
initFirst();
break;
case 2:
Toast.makeText(this, "Press back to exit.", Toast.LENGTH_SHORT).show();
break;
case 3:
super.onBackPressed();
finish();
break;
}
}
public void initFirst() {
setContentView(R.layout.activity_first);
Button createBTN = findViewById(R.id.create_button_firstactivity);
Button loginBTN = findViewById(R.id.login_button_firstactivity);
createBTN.setOnClickListener((v) -> {
initFirstEmailValid();
});
loginBTN.setOnClickListener((v) -> {
initLogin();
});
}
public void initFirstEmailValid() {
backCount = 0;
setContentView(R.layout.activity_first_email_valid);
EditText emailET = findViewById(R.id.email_edittext_first_email_valid);
Button nextBTN = findViewById(R.id.next_button_first_email_valid);
if (email != null) {
emailET.setText(email);
}
emailET.setImeOptions(EditorInfo.IME_ACTION_DONE);
// Why it's not working?
emailET.setOnEditorActionListener((textView, i, keyEvent) -> {
if(i == EditorInfo.IME_ACTION_DONE){
nextBTN.performClick();
}
return false;
});
nextBTN.setOnClickListener((v) -> {
email = emailET.getText().toString();
try {
validateEmail(email);
// initFirstCreate(email);
} catch (NullPointerException e) {
Toast.makeText(FirstActivity.this, "Input your email.", Toast.LENGTH_SHORT).show();
}
});
}
public void validateEmail(String to) {
Log.d(TAG, "validateEmail()= to(email): " + email);
// backCount 세지 않음.
RemoteService remoteService = ServiceGenerator.createService(RemoteService.class);
Call<ValidResult> call = null;
try {
call = remoteService.validateEmail(to);
} catch (NullPointerException e) {
e.printStackTrace();
}
try {
call.enqueue(new Callback<ValidResult>() {
@Override
public void onResponse(Call<ValidResult> call, Response<ValidResult> response) {
Log.d(TAG, "onResponse()");
try {
ValidResult validResult = response.body();
Log.d(TAG, validResult.toString());
switch (validResult.getCode()) {
case 100:
initFirstCreate(email);
Toast.makeText(FirstActivity.this, validResult.getMessage(), Toast.LENGTH_SHORT).show();
break;
default:
Toast.makeText(FirstActivity.this, validResult.getMessage(), Toast.LENGTH_SHORT).show();
break;
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onFailure(Call<ValidResult> call, Throwable throwable) {
throwable.printStackTrace();
Toast.makeText(FirstActivity.this, throwable.toString(), Toast.LENGTH_SHORT).show();
}
});
} catch (Exception e) {
e.printStackTrace();
}
}
public void initFirstCreate(String email) {
Log.d(TAG, "initFirstCreate()= email: " + email);
backCount = -1;
setContentView(R.layout.activity_first_create);
TextView infoTV = findViewById(R.id.info_textview_first_create_activity);
EditText usernameET = findViewById(R.id.fullname_edittext_first_create_activity);
EditText passwordET = findViewById(R.id.password_edittext_first_create_activity);
Button continueBTN = findViewById(R.id.continue_button_first_create_activity);
infoTV.setText(Html.fromHtml("Your contacts will be periodically synced and stored on instagram servers to help you and others find friends, and to help us provide a better service. To remove contacts, go to Settings and disconnect. <a href=''>Learn More</a>"));
if (username != null) {
usernameET.setText(username);
}
if (password != null) {
passwordET.setText(password);
}
passwordET.setOnEditorActionListener((textView, actionId, keyEvent) -> {
if (actionId == EditorInfo.IME_ACTION_NEXT) {
continueBTN.performClick();
}
return false;
});
continueBTN.setOnClickListener((v) -> {
try {
username = usernameET.getText().toString();
try {
password = passwordET.getText().toString();
} catch (NullPointerException e) {
Toast.makeText(FirstActivity.this, "Input your password.", Toast.LENGTH_SHORT).show();
}
} catch (NullPointerException e) {
Toast.makeText(FirstActivity.this, "Input your name.", Toast.LENGTH_SHORT).show();
}
tempPass();
try {
MemberItem memberItem = new MemberItem(email, username, password);
RemoteService remoteService = ServiceGenerator.createService(RemoteService.class);
Call<SignUpResult> call = remoteService.insertMember(memberItem);
call.enqueue(new Callback<SignUpResult>() {
@Override
public void onResponse(Call<SignUpResult> call, Response<SignUpResult> response) {
SignUpResult signUpResult = response.body();
try {
Log.d(TAG, signUpResult.toString());
switch (signUpResult.code) {
case 100:
try {
GlobalUser.getInstance().login(FirstActivity.this, email, passwordET.getText().toString());
} catch (Exception e) {
e.printStackTrace();
Toast.makeText(FirstActivity.this, e.toString(), Toast.LENGTH_SHORT).show();
}
break;
default:
Toast.makeText(FirstActivity.this, signUpResult.code + ": " + signUpResult.message, Toast.LENGTH_SHORT).show();
break;
}
} catch (Exception e) {
e.printStackTrace();
Toast.makeText(FirstActivity.this, e.toString(), Toast.LENGTH_SHORT).show();
}
}
@Override
public void onFailure(Call<SignUpResult> call, Throwable throwable) {
throwable.printStackTrace();
Toast.makeText(FirstActivity.this, throwable.toString(), Toast.LENGTH_SHORT).show();
}
});
} catch (Exception e) {
e.printStackTrace();
Toast.makeText(FirstActivity.this, e.toString(), Toast.LENGTH_SHORT).show();
}
});
}
public void initLogin() {
backCount = 0;
setContentView(R.layout.activity_login);
EditText usernameET = findViewById(R.id.username_edittext_loginactivity);
EditText passwordET = findViewById(R.id.password_edittext_loginactivity);
Button loginBTN = findViewById(R.id.login_button_loginactivity);
loginBTN.setOnClickListener((v) -> {
if (usernameET.getText().toString() != null && passwordET.getText().toString() != null) {
GlobalUser.getInstance().setMyId(usernameET.getText().toString());
tempPass();
} else {
Toast.makeText(this, "Please input your name and password.", Toast.LENGTH_SHORT).show();
}
});
}
public void tempPass() {
Intent intent = new Intent(FirstActivity.this, MainActivity.class);
GlobalUser.getInstance().setMyId(username);
startActivity(intent);
finish();
}
}
这是xml文件之一：
<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<data>
</data>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_vertical"
tools:context="org.simplesns.simplesns.activity.LoginActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical">
<TextView
android:id="@+id/logo_imageview_firsttwoactivity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="30dp"
android:text="NAME AND PASSWORD"
android:textColor="@color/black"
android:textSize="15sp"
android:textStyle="bold" />
<EditText
android:id="@+id/fullname_edittext_first_create_activity"
android:layout_width="match_parent"
android:layout_height="@dimen/edittext_height"
android:layout_marginLeft="30dp"
android:layout_marginRight="30dp"
android:layout_marginBottom="15dp"
android:background="@drawable/outline"
android:hint="@string/fullname"
android:padding="15dp"
android:imeOptions="actionNext"
android:textAllCaps="false"
android:textColor="@color/link_blue"
android:textColorHint="@color/grey2" />
<EditText
android:id="@+id/password_edittext_first_create_activity"
android:layout_width="match_parent"
android:layout_height="@dimen/edittext_height"
android:layout_marginLeft="30dp"
android:layout_marginRight="30dp"
android:layout_marginBottom="15dp"
android:background="@drawable/outline"
android:hint="@string/cpassword"
android:padding="15dp"
android:imeOptions="actionNext"
android:textAllCaps="false"
android:textColor="@color/link_blue"
android:textColorHint="@color/grey2" />
<EditText
android:id="@+id/code_edittext_first_create_activity"
android:layout_width="match_parent"
android:layout_height="@dimen/edittext_height"
android:layout_marginLeft="30dp"
android:layout_marginRight="30dp"
android:layout_marginBottom="15dp"
android:background="@drawable/outline"
android:hint="@string/code"
android:padding="15dp"
android:imeOptions="actionDone"
android:textAllCaps="false"
android:textColor="@color/link_blue"
android:textColorHint="@color/grey2" />
<Button
android:id="@+id/continue_button_first_create_activity"
android:layout_width="match_parent"
android:layout_height="@dimen/edittext_height"
android:layout_marginLeft="@dimen/default_side_margin"
android:layout_marginRight="@dimen/default_side_margin"
android:layout_marginBottom="30dp"
android:background="@color/link_blue"
android:text="Continue and Sync Contacts"
android:textAllCaps="false"
android:textColor="@color/white" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Continue Without Syncing Contacts"
android:textColor="@color/link_blue" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginBottom="2dp"
android:gravity="center"
android:orientation="horizontal">
<TextView
android:id="@+id/info_textview_first_create_activity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:autoLink="web"
android:gravity="center"
android:paddingLeft="@dimen/default_side_margin"
android:paddingRight="@dimen/default_side_margin"
android:paddingBottom="20dp"
android:text="information"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="@color/grey2" />
</LinearLayout>
</RelativeLayout>
</layout>