我正在开发一个应用程序,但我遇到了一件简单的事情。
在我的 Activity 中,我显示了一个询问邮件地址和激活的对话框 (AlertDialog.Builder)。这两个字段使用 Rest API 检查。
如果激活码错误,我将重新启动 Activity (使用 Intent)并再次显示对话框。
我不明白为什么,如果我第一次输入错误的激活码,第二次会正确出现对话框,但是当我单击“提交”时,应用程序不会运行 Rest 调用并始终返回“无效凭据”,就像它会提醒旧的“状态”一样。
相反,如果我运行该应用程序并输入正确的凭据,则一切正常。
有什么想法吗?
源代码:
public class PinActivity extends Activity {
String mail;
String verification;
JSONObject responseServer;
BluetoothSocket bsocket;
ConnectedThreadBT cdbt;
SharedPreferences sharedPref;
SharedPreferences.Editor editor;
EditText mail_add;
EditText verification_code;
@Override
protected void onCreate (Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_check);
setup();
dialogActivation();
}
@Override
public void onDestroy() {
super.onDestroy();
}
private void setup(){
RestClientManager.initialize(getApplicationContext()).enableDebugLog(true);
bsocket = BluetoothApplication.getBSocket();
//salvo codice attivazione sul pacchetto
cdbt=new ConnectedThreadBT(bsocket,mHandler, "PinActivity");
cdbt.start();
}
private void dialogActivation(){
android.support.v7.app.AlertDialog.Builder builder = new android.support.v7.app.AlertDialog.Builder(new ContextThemeWrapper(this, R.style.myDialog));
LayoutInflater inflater = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.custom_dialog_verification, null);
mail_add = (EditText) view.findViewById(R.id.mailAddress);
verification_code = (EditText) view.findViewById(R.id.verification_code);
builder.setView(view).
setPositiveButton(getApplicationContext().getResources().getString(R.string.submit), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
//prendo e salvo credenziali
mail = mail_add.getText().toString();
verification = verification_code.getText().toString();
//invio dati al server
activatePPS();
}
});
builder.setCancelable(false);
builder.show();
}
private void activatePPS(){
dialogCheck();
String url = "....";
RestClientManager.getInstance().makeJsonRequest(Request.Method.POST, url, new RequestHandler<>(new RequestCallbacks<JSONObject, Error>()
{
@Override
public void onRequestSuccess(JSONObject response)
{
responseServer = response;
int reply_code = 0;
try {
reply_code = response.getInt("reply_code");
checkReplyCode(reply_code);
} catch (JSONException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void onRequestError(Error error)
{
}
}, paramsList()));
}
private void dialogCheck(){
android.support.v7.app.AlertDialog.Builder builder = new android.support.v7.app.AlertDialog.Builder(new ContextThemeWrapper(this, R.style.myDialog));
LayoutInflater inflater = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.custom_dialog_load_check, null);
builder.setView(view);
builder.setCancelable(false);
builder.show();
}
private void checkReplyCode(int reply_code) throws JSONException, IOException {
switch(reply_code){
case 0:
successActivation();
break;
case 1001:
//credenziali invalide
Toast.makeText(getApplicationContext(), getResources().getString(R.string.wrong_credentials), Toast.LENGTH_LONG).show();
Intent intent = new Intent(PinActivity.this, PinActivity.class);
startActivity(intent);
break;
}
}
private void successActivation() throws JSONException {
String access_token = responseServer.get("access_token").toString();
String nickname = responseServer.get(".....
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
int value = sharedPref.getInt("step_conf",0);
if(value==0){
Intent intent = new Intent(getApplicationContext(), MethodCurveActivity.class);
intent.putExtra("style", 0);
startActivity(intent);
}
else{
Intent intent = new Intent(getApplicationContext(), MainActivity.class);
startActivity(intent);
}
}
},3000);
}
private ArrayMap<String, String> paramsList(){
ArrayMap<String, String> parameters=new ArrayMap<>();
parameters.put("user_mail", mail);
parameters.put(.....
return parameters;
}
private void resetMobileDevice(){
String url = "....";
RestClientManager.getInstance().makeJsonRequest(Request.Method.POST, url, new RequestHandler<>(new RequestCallbacks<JSONObject, Error>()
{
@Override
public void onRequestSuccess(JSONObject response)
{
System.out.println("Risposta:"+response);
responseServer = response;
int reply_code = 0;
try {
reply_code = response.getInt("reply_code");
} catch (JSONException e) {
e.printStackTrace();
}
try {
checkReplyCode(reply_code);
} catch (JSONException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void onRequestError(Error error)
{
}
}, paramsList()));
}
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
}
}
};
}
重要的一点是在错误之后的“案例 1001”中。 我已经尝试了 finish() 和所有删除 Activity 旧实例的方法...
最佳答案
在您的项目中创建 Application 类,并在其 onCreate 方法中初始化 RestClientManager,如下所示:
public class MyApp extends Application {
private final static String LOG_TAG = Application.class.getSimpleName();
@Override
public void onCreate() {
Log.d(LOG_TAG, "Application.onCreate - Initializing application...");
super.onCreate();
initializeApplication();
Log.d(LOG_TAG, "Application.onCreate - Application initialized OK");
}
private void initializeApplication() {
RestClientManager.initialize(getApplicationContext()).enableDebugLog(true);
}
}
在您的 <Application>
中添加这一行在 androidmanifest.xml
中标记文件:
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:name=".App"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
并确保你的单例结构应该是这样的:
private static RestClientManager instance;
static void initInstance()
{
if (instance == null)
{
// Create the instance
instance = new RestClientManager();
}
}
public static RestClientManager getInstance()
{
// Return the instance
return instance;
}
记得去掉
RestClientManager.initialize(getApplicationContext()).enableDebugLog(true);
来自您的主要 Activity 。
请试一试,然后告诉我。
关于android两次调用相同的对话框,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/45171227/