m.example.arihant.pludoc E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.arihant.pludoc, PID: 9852
java.lang.IllegalArgumentException: View=com.android.internal.policy.impl.PhoneWindow$DecorView{2ed82f1e V.E..... R......D 0,0-1026,348} not attached to window manager
at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:396)
at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:322)
at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:116)
at android.app.Dialog.dismissDialog(Dialog.java:341)
at android.app.Dialog.dismiss(Dialog.java:324)
at com.example.arihant.pludoc.Login.hideDialog(Login.java:213)
at com.example.arihant.pludoc.Login.access$400(Login.java:42)
at com.example.arihant.pludoc.Login$5.onErrorResponse(Login.java:186)
at com.android.volley.Request.deliverError(Request.java:524)
at com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:101)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5300)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
02-01 00:01:25.547 9852-9852/com.example.arihant.pludoc D/AppTracker: App Event: crash
CODE：
public class Login extends AppCompatActivity {
private static final String[] DUMMY_CREDENTIALS = new String[]{
"foo@example.com:hello", "bar@example.com:world"
};
private static final String TAG ="" ;
private UserLoginTask mAuthTask = null;
private EditText mPasswordView;
private View mProgressView;
private View mLoginFormView;
private EditText mPhoneView;
private TextView mForgotPass;
private SessionManager session;
private SQLiteHandler db;
private ProgressDialog pDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.login);
setupActionBar();
pDialog = new ProgressDialog(this);
pDialog.setCancelable(false);
db = new SQLiteHandler(getApplicationContext());
session = new SessionManager(getApplicationContext());
mPasswordView =(EditText)findViewById(R.id.password);
mPhoneView = (EditText)findViewById(R.id.phone);
mForgotPass = (TextView)findViewById(R.id.forgotpass);
if (session.isLoggedIn()) {
Intent intent = new Intent(Login.this, Mainpage.class);
startActivity(intent);
finish();
}
mForgotPass.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View view) {
}
});
Button mEmailSingUpButton = (Button)findViewById(R.id.sign_up_button);
mEmailSingUpButton.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View view) {
Intent i1 = new Intent(Login.this,Signup.class);
startActivity(i1);
}
});
Button mEmailSignInButton = (Button) findViewById(R.id.sign_in_button);
mEmailSignInButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
String phone = mPhoneView.getText().toString().trim();
String password = mPasswordView.getText().toString().trim();
if (!phone.isEmpty() && !password.isEmpty()) {
attemptLogin();
checkLogin(phone , password);
} else {
Toast.makeText(getApplicationContext(),
"Please enter the credentials!", Toast.LENGTH_LONG)
.show();
}
}
});
mLoginFormView = findViewById(R.id.login_form);
mProgressView = findViewById(R.id.login_progress);
}
private void checkLogin(final String phone, final String password) {
// Tag used to cancel the request
String tag_string_req = "req_login";
pDialog.setMessage("Logging in ...");
showDialog();
StringRequest strReq = new StringRequest(Method.POST,
AppConfig.URL_LOGIN, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Log.d(TAG, "Login Response: " + response.toString());
hideDialog();
try {
JSONObject jObj = new JSONObject(response);
boolean error = jObj.getBoolean("error");
if (!error) {
session.setLogin(true);
String uid = jObj.getString("uid");
JSONObject user = jObj.getJSONObject("user");
String name = user.getString("name");
String email = user.getString("email");
String phone = user.getString("phone");
String created_at = user
.getString("created_at");
db.addUser(name,email, phone, uid, created_at);
Intent intent = new Intent(Login.this,
Mainpage.class);
startActivity(intent);
finish();
} else {
String errorMsg = jObj.getString("error_msg");
Toast.makeText(getApplicationContext(),
errorMsg, Toast.LENGTH_LONG).show();
}
} catch (JSONException e) {
e.printStackTrace();
Toast.makeText(getApplicationContext(), "Json error: " + e.getMessage(), Toast.LENGTH_LONG).show();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e(TAG, "Login Error: " + error.getMessage());
Toast.makeText(getApplicationContext(),
error.getMessage(), Toast.LENGTH_LONG).show();
hideDialog();
}
}) {
@Override
protected Map<String, String> getParams() {
// Posting parameters to login url
Map<String, String> params = new HashMap<String, String>();
params.put("phone", phone);
params.put("password", password);
return params;
}
};
// Adding request to request queue
AppController.getInstance().addToRequestQueue(strReq, tag_string_req);
}
private void showDialog() {
if (!pDialog.isShowing())
pDialog.show();
}
private void hideDialog() {
if (pDialog.isShowing())
pDialog.dismiss();
}
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private void setupActionBar() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
// Show the Up button in the action bar.
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
}
private void attemptLogin() {
if (mAuthTask != null) {
return;
}
// Reset errors.
mPhoneView.setError(null);
mPasswordView.setError(null);
String phone = mPhoneView.getText().toString();
String password = mPasswordView.getText().toString();
boolean cancel = false;
View focusView = null;
if (TextUtils.isEmpty(phone)) {
mPhoneView.setError(getString(R.string.error_field_required));
focusView = mPhoneView;
cancel = true;
} else if (isPhoneValid(phone)) {
mPhoneView.setError(getString(R.string.error_invalid_phone));
focusView = mPhoneView;
cancel = true;
}
else if (TextUtils.isEmpty(password)) {
mPasswordView.setError(getString(R.string.error_field_required));
focusView = mPasswordView;
cancel = true;
}
else if (!TextUtils.isEmpty(password) && !isPasswordValid(password)) {
mPasswordView.setError(getString(R.string.error_invalid_password));
focusView = mPasswordView;
cancel = true;
}
if (cancel) {
focusView.requestFocus();
} else {
showProgress(true);
mAuthTask = new UserLoginTask(phone, password);
mAuthTask.execute((Void) null);
}
}
private boolean isPhoneValid(String phone){
return phone.length()!=10;
}
private boolean isPasswordValid(String password) {
return password.length() > 4;
}
@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
private void showProgress(final boolean show) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);
mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
mLoginFormView.animate().setDuration(shortAnimTime).alpha(
show ? 0 : 1).setListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
}
});
mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
mProgressView.animate().setDuration(shortAnimTime).alpha(
show ? 1 : 0).setListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
}
});
} else {
mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
}
}
public class UserLoginTask extends AsyncTask<Void, Void, Boolean> {
private final String mPhone;
private final String mPassword;
UserLoginTask(String phone, String password) {
mPhone = phone;
mPassword = password;
}
@Override
protected Boolean doInBackground(Void... params) {
// TODO: attempt authentication against a network service.
try {
// Simulate network access.
Thread.sleep(2000);
} catch (InterruptedException e) {
return false;
}
for (String credential : DUMMY_CREDENTIALS) {
String[] pieces = credential.split(":");
if (pieces[0].equals(mPhone)) {
// Account exists, return true if the password matches.
return pieces[1].equals(mPassword);
}
}
// TODO: register the new account here.
return true;
}
@Override
protected void onPostExecute(final Boolean success) {
mAuthTask = null;
showProgress(false);
if (success) {
finish();
} else {
mPasswordView.setError(getString(R.string.error_incorrect_password));
mPasswordView.requestFocus();
}
}
@Override
protected void onCancelled() {
mAuthTask = null;
showProgress(false);
}
}
}