Java tutorial
/* * Copyright 2013-2015 The GDG Frisbee Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.gdg.frisbee.android.widget; import android.accounts.Account; import android.accounts.AccountManager; import android.app.Activity; import android.app.Dialog; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.location.LocationManager; import android.net.ConnectivityManager; import android.net.wifi.SupplicantState; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Build; import android.os.Build.VERSION; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.design.widget.Snackbar; import android.support.design.widget.TextInputLayout; import android.support.v4.app.DialogFragment; import android.support.v7.app.AlertDialog; import android.text.TextUtils; import android.util.DisplayMetrics; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; import android.widget.Button; import android.widget.EditText; import org.gdg.frisbee.android.BuildConfig; import org.gdg.frisbee.android.R; import org.gdg.frisbee.android.achievements.AchievementActionHandler; import org.gdg.frisbee.android.common.GdgActivity; import org.gdg.frisbee.android.utils.PrefUtils; import org.gdg.frisbee.android.utils.Utils; import org.gdg.frisbee.android.view.ColoredSnackBar; import org.json.JSONException; import org.json.JSONObject; import java.lang.reflect.Method; import java.util.HashSet; import java.util.Set; import butterknife.Bind; import butterknife.ButterKnife; import io.doorbell.android.DoorbellApi; import io.doorbell.android.manavo.rest.RestCallback; import io.doorbell.android.manavo.rest.RestErrorCallback; import timber.log.Timber; public class FeedbackFragment extends DialogFragment { private static final String PROPERTY_MODEL = "Model"; private static final String PROPERTY_ANDROID_VERSION = "Android Version"; private static final String PROPERTY_WI_FI_ENABLED = "WiFi enabled"; private static final String PROPERTY_MOBILE_DATA_ENABLED = "Mobile Data enabled"; private static final String PROPERTY_GPS_ENABLED = "GPS enabled"; private static final String PROPERTY_SCREEN_RESOLUTION = "Screen Resolution"; private static final String PROPERTY_ACTIVITY = "Activity"; private static final String PROPERTY_APP_VERSION_NAME = "App Version Name"; private static final String PROPERTY_APP_VERSION_CODE = "App Version Code"; @Bind(R.id.feedback_message_text) EditText mMessageField; @Bind(R.id.feedback_email_text) AutoCompleteTextView mEmailField; @Bind(R.id.feedback_message_text_layout) TextInputLayout mLayoutMessage; @Bind(R.id.feedback_email_text_layout) TextInputLayout mLayoutEmail; private JSONObject mProperties; private DoorbellApi mApi; private AchievementActionHandler achievementHandler; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mApi = new DoorbellApi(getActivity()); mProperties = new JSONObject(); mApi.setAppId(BuildConfig.DOORBELL_ID); mApi.setApiKey(BuildConfig.DOORBELL_APP_KEY); addProperty("loggedIn", PrefUtils.isSignedIn(getActivity())); // Optionally add some properties addProperty("appStarts", PrefUtils.getAppStarts(getActivity())); buildProperties(); setRetainInstance(true); } @Override public void onAttach(Activity activity) { super.onAttach(activity); achievementHandler = ((GdgActivity) activity).getAchievementActionHandler(); } @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { View feedbackView = LayoutInflater.from(getActivity()).inflate(R.layout.dialog_feedback, (ViewGroup) getView(), false); ButterKnife.bind(this, feedbackView); setupEmailAutocomplete(); AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()).setView(feedbackView) .setTitle(R.string.feedback).setCancelable(true).setNegativeButton(R.string.feedback_cancel, null) .setPositiveButton(R.string.feedback_send, null); return builder.create(); } public void onStart() { super.onStart(); final AlertDialog dialog = (AlertDialog) getDialog(); if (dialog != null) { Button positiveButton = dialog.getButton(Dialog.BUTTON_POSITIVE); positiveButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (isValidInput()) { sendFeedback(); dialog.dismiss(); } } }); } } private boolean isValidInput() { return checkMessageInputValid(mMessageField.getText()) && checkEmailInputValid(mEmailField.getText()); } private boolean checkMessageInputValid(@Nullable final CharSequence strMessage) { if (!TextUtils.isEmpty(strMessage)) { mLayoutMessage.setError(null); return true; } else { mLayoutMessage.setError(getString(R.string.feedback_message_required)); return false; } } private boolean checkEmailInputValid(@Nullable final CharSequence strEmail) { if (!TextUtils.isEmpty(strEmail) && android.util.Patterns.EMAIL_ADDRESS.matcher(strEmail).matches()) { mLayoutEmail.setError(null); return true; } else { mLayoutEmail.setError(getString(R.string.feedback_invalid_email)); return false; } } private void sendFeedback() { mApi.setLoadingMessage(getActivity().getString(R.string.feedback_sending)); mApi.setCallback(new RestCallback() { public void success(Object obj) { mMessageField.setText(""); mProperties = new JSONObject(); if (achievementHandler != null) { achievementHandler.handleKissesFromGdgXTeam(); } else { Snackbar snackbar = Snackbar.make(getView(), R.string.thanks_for_feedback, Snackbar.LENGTH_LONG); ColoredSnackBar.info(snackbar).show(); } } }); mApi.setErrorCallback(new RestErrorCallback() { @Override public void error(String s) { Snackbar snackbar = Snackbar.make(getView(), s, Snackbar.LENGTH_LONG); ColoredSnackBar.alert(snackbar).show(); } }); mApi.sendFeedback(mMessageField.getText().toString(), mEmailField.getText().toString(), mProperties, ""); } private void setupEmailAutocomplete() { //Set email AutoCompleteTextView ArrayAdapter<String> adapter = new ArrayAdapter<>(getActivity(), android.R.layout.select_dialog_item); Set<String> accountsSet = new HashSet<>(); Account[] deviceAccounts = AccountManager.get(getActivity()).getAccounts(); for (Account account : deviceAccounts) { if (Utils.isEmailAddress(account.name)) { accountsSet.add(account.name); } } adapter.addAll(accountsSet); mEmailField.setAdapter(adapter); } private void buildProperties() { addProperty(PROPERTY_MODEL, Build.MODEL); addProperty(PROPERTY_ANDROID_VERSION, VERSION.RELEASE); try { WifiManager cm = (WifiManager) getActivity().getSystemService(Context.WIFI_SERVICE); WifiInfo e = cm.getConnectionInfo(); SupplicantState mobileDataEnabled = e.getSupplicantState(); addProperty(PROPERTY_WI_FI_ENABLED, mobileDataEnabled); } catch (Exception e) { Timber.d(e, "Wifi Manager problem."); } boolean mobileDataEnabled1 = false; ConnectivityManager cm1 = (ConnectivityManager) getActivity() .getSystemService(Context.CONNECTIVITY_SERVICE); try { Class e1 = Class.forName(cm1.getClass().getName()); Method resolution = e1.getDeclaredMethod("getMobileDataEnabled"); resolution.setAccessible(true); mobileDataEnabled1 = (Boolean) resolution.invoke(cm1); } catch (Exception e) { Timber.d(e, "Mobil data problem."); } addProperty(PROPERTY_MOBILE_DATA_ENABLED, mobileDataEnabled1); try { LocationManager e2 = (LocationManager) getActivity().getSystemService(Context.LOCATION_SERVICE); boolean resolution1 = e2.isProviderEnabled("gps"); addProperty(PROPERTY_GPS_ENABLED, resolution1); } catch (Exception e) { Timber.d(e, "GPS problem."); } try { DisplayMetrics e3 = new DisplayMetrics(); getActivity().getWindowManager().getDefaultDisplay().getMetrics(e3); String resolution2 = Integer.toString(e3.widthPixels) + "x" + Integer.toString(e3.heightPixels); addProperty(PROPERTY_SCREEN_RESOLUTION, resolution2); } catch (Exception e) { Timber.d(e, "Screen density problem."); } try { String e4 = getActivity().getClass().getSimpleName(); addProperty(PROPERTY_ACTIVITY, e4); } catch (Exception e) { Timber.d(e, "Activity name problem."); } PackageManager manager = getActivity().getPackageManager(); try { PackageInfo e = manager.getPackageInfo(getActivity().getPackageName(), 0); addProperty(PROPERTY_APP_VERSION_NAME, e.versionName); addProperty(PROPERTY_APP_VERSION_CODE, e.versionCode); } catch (PackageManager.NameNotFoundException var7) { Timber.d("Problem with PackageManager"); } } private void addProperty(String key, Object value) { try { mProperties.put(key, value); } catch (JSONException e) { Timber.d(e, "JSON exception."); } } }