基于Android的自行车行车安全软件.zip

package com.nexuslink.cyclenavi.View.Impl.Activities; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.annotation.TargetApi; import android.content.Intent; import android.content.SharedPreferences; import android.os.AsyncTask; import android.os.Build; import android.os.Bundle; import android.support.design.widget.Snackbar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.CardView; import android.text.TextUtils; import android.util.Log; import android.view.KeyEvent; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.view.inputmethod.EditorInfo; import android.widget.AutoCompleteTextView; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import com.nexuslink.cyclenavi.Api.ICycleNaviService; import com.nexuslink.cyclenavi.Model.JavaBean.GetUserInfo; import com.nexuslink.cyclenavi.Model.JavaBean.LoginBean; import com.nexuslink.cyclenavi.R; import com.nexuslink.cyclenavi.Util.RetrofitWrapper; import com.nexuslink.cyclenavi.Util.SpUtil; import com.nexuslink.cyclenavi.Util.SpUtils; import retrofit2.Call; import retrofit2.Callback; import retrofit2.Response; import rx.Subscriber; import rx.android.schedulers.AndroidSchedulers; import rx.functions.Func1; import rx.schedulers.Schedulers; /** * A login screen that offers login via email/password. */ public class LoginActivity extends AppCompatActivity{ private String TAG ="LoginActivity.class"; /** * Keep track of the login task to ensure we can cancel it if requested. */ private UserLoginTask mAuthTask = null; // UI references. private AutoCompleteTextView mEmailView; private EditText mPasswordView; private View mProgressView; private View mLoginFormView; private String email; private String password; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_login); //初始化 /*getSupportActionBar().setDisplayHomeAsUpEnabled(true);*/ // Set up the login form. mEmailView = (AutoCompleteTextView) findViewById(R.id.email); mPasswordView = (EditText) findViewById(R.id.password); mPasswordView.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) { if (id == R.id.login || id == EditorInfo.IME_NULL) { attemptLogin(); return true; } return false; } }); CardView mSignInButton = (CardView) findViewById(R.id.sign_in_button); mSignInButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { attemptLogin(); } }); TextView register = (TextView) findViewById(R.id.register_button); register.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(LoginActivity.this,RegisterActivity.class); startActivityForResult(intent,0); } }); mLoginFormView = findViewById(R.id.login_form); mProgressView = findViewById(R.id.login_progress); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == android.R.id.home){ finish(); } return super.onOptionsItemSelected(item); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(resultCode == RESULT_OK){ mEmailView.setText(data.getStringExtra("NAME")); mPasswordView.setText(data.getStringExtra("PASS")); Snackbar.make(mLoginFormView,R.string.register_ok,Snackbar.LENGTH_SHORT).show(); } } private void attemptLogin() { if (mAuthTask != null) { return; } // Reset errors. mEmailView.setError(null); mPasswordView.setError(null); // Store values at the time of the login attempt. email = mEmailView.getText().toString(); password = mPasswordView.getText().toString(); boolean cancel = false; View focusView = null; // Check for a valid password, if the user entered one. if (!TextUtils.isEmpty(password) && !isPasswordValid(password)) { mPasswordView.setError(getString(R.string.error_invalid_password)); focusView = mPasswordView; cancel = true; } // Check for a valid email address. if (TextUtils.isEmpty(email)) { mEmailView.setError(getString(R.string.error_field_required)); focusView = mEmailView; cancel = true; } if (cancel) { // There was an error; don't attempt login and focus the first // form field with an error. focusView.requestFocus(); } else { // Show a progress spinner, and kick off a background task to // perform the user login attempt. showProgress(true); mAuthTask = new UserLoginTask(email, password); mAuthTask.execute((Void) null); } } private boolean isPasswordValid(String password) { return password.length() >= 6; } /** * Shows the progress UI and hides the login form. */ @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); } } /** * Represents an asynchronous login/registration task used to authenticate * the user. */ public class UserLoginTask extends AsyncTask<Void, Void, Boolean> { private final String mEmail; private final String mPassword; UserLoginTask(String email, String password) { mEmail = email; mPassword = password; } @Override protected Boolean doInBackground(Void... params) { // TODO: attempt authentication against a network service. //真正的网络请求部分 RetrofitWrapper.getInstance().create(ICycleNaviService.class).login( mEmail,mPassword).enqueue(new Callback<LoginBean>() { @Override public void onResponse(Call<LoginBean> call, Response<LoginBean> response) { if(response.body().getCode() == 200){