Java tutorial
/* * This is the source code of Telegram for Android v. 3.x.x. * It is licensed under GNU GPL v. 2 or later. * You should have received a copy of the license in this archive (see LICENSE). * * Copyright Nikolai Kudashov, 2013-2016. */ package org.telegram.ui; import android.app.Activity; import android.content.Context; import android.content.SharedPreferences; import android.support.v4.content.ContextCompat; import android.text.InputType; import android.util.TypedValue; import android.view.Gravity; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.inputmethod.EditorInfo; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.TextView; import org.telegram.messenger.AndroidUtilities; import org.telegram.messenger.LocaleController; import org.telegram.messenger.ApplicationLoader; import org.telegram.tgnet.ConnectionsManager; import org.telegram.tgnet.RequestDelegate; import org.telegram.tgnet.TLObject; import org.telegram.tgnet.TLRPC; import org.telegram.messenger.MessagesController; import org.telegram.messenger.NotificationCenter; import org.telegram.messenger.R; import org.telegram.messenger.UserConfig; import org.telegram.ui.ActionBar.ActionBar; import org.telegram.ui.ActionBar.ActionBarMenu; import org.telegram.ui.ActionBar.BaseFragment; import org.telegram.ui.Components.LayoutHelper; public class ChangeNameActivity extends BaseFragment { private EditText firstNameField; private EditText lastNameField; private View headerLabelView; private View doneButton; private final static int done_button = 1; @Override public View createView(Context context) { actionBar.setBackButtonImage(R.drawable.ic_ab_back); actionBar.setAllowOverlayTitle(true); actionBar.setTitle(LocaleController.getString("EditName", R.string.EditName)); actionBar.setActionBarMenuOnItemClick(new ActionBar.ActionBarMenuOnItemClick() { @Override public void onItemClick(int id) { if (id == -1) { finishFragment(); } else if (id == done_button) { if (firstNameField.getText().length() != 0) { saveName(); finishFragment(); } } } }); ActionBarMenu menu = actionBar.createMenu(); doneButton = menu.addItemWithWidth(done_button, R.drawable.ic_done, AndroidUtilities.dp(56)); TLRPC.User user = MessagesController.getInstance().getUser(UserConfig.getClientUserId()); if (user == null) { user = UserConfig.getCurrentUser(); } LinearLayout linearLayout = new LinearLayout(context); fragmentView = linearLayout; fragmentView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); ((LinearLayout) fragmentView).setOrientation(LinearLayout.VERTICAL); fragmentView.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { return true; } }); firstNameField = new EditText(context); firstNameField.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 18); //firstNameField.setHintTextColor(0xff979797); firstNameField.setTextColor(ContextCompat.getColor(context, R.color.primary_text)); firstNameField.setMaxLines(1); firstNameField.setLines(1); firstNameField.setSingleLine(true); firstNameField.setGravity(LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT); firstNameField.setInputType(InputType.TYPE_TEXT_FLAG_CAP_SENTENCES | InputType.TYPE_TEXT_FLAG_AUTO_CORRECT); firstNameField.setImeOptions(EditorInfo.IME_ACTION_NEXT); firstNameField.setHint(LocaleController.getString("FirstName", R.string.FirstName)); AndroidUtilities.clearCursorDrawable(firstNameField); linearLayout.addView(firstNameField, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, 36, 24, 24, 24, 0)); firstNameField.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView textView, int i, KeyEvent keyEvent) { if (i == EditorInfo.IME_ACTION_NEXT) { lastNameField.requestFocus(); lastNameField.setSelection(lastNameField.length()); return true; } return false; } }); lastNameField = new EditText(context); lastNameField.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 18); //lastNameField.setHintTextColor(0xff979797); lastNameField.setTextColor(ContextCompat.getColor(context, R.color.primary_text)); lastNameField.setMaxLines(1); lastNameField.setLines(1); lastNameField.setSingleLine(true); lastNameField.setGravity(LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT); lastNameField.setInputType(InputType.TYPE_TEXT_FLAG_CAP_SENTENCES | InputType.TYPE_TEXT_FLAG_AUTO_CORRECT); lastNameField.setImeOptions(EditorInfo.IME_ACTION_DONE); lastNameField.setHint(LocaleController.getString("LastName", R.string.LastName)); AndroidUtilities.clearCursorDrawable(lastNameField); linearLayout.addView(lastNameField, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, 36, 24, 16, 24, 0)); lastNameField.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView textView, int i, KeyEvent keyEvent) { if (i == EditorInfo.IME_ACTION_DONE) { doneButton.performClick(); return true; } return false; } }); if (user != null) { firstNameField.setText(user.first_name); firstNameField.setSelection(firstNameField.length()); lastNameField.setText(user.last_name); } return fragmentView; } @Override public void onResume() { super.onResume(); SharedPreferences preferences = ApplicationLoader.applicationContext.getSharedPreferences("mainconfig", Activity.MODE_PRIVATE); boolean animations = preferences.getBoolean("view_animations", true); if (!animations) { firstNameField.requestFocus(); AndroidUtilities.showKeyboard(firstNameField); } } private void saveName() { TLRPC.User currentUser = UserConfig.getCurrentUser(); if (currentUser == null || lastNameField.getText() == null || firstNameField.getText() == null) { return; } String newFirst = firstNameField.getText().toString(); String newLast = lastNameField.getText().toString(); if (currentUser.first_name != null && currentUser.first_name.equals(newFirst) && currentUser.last_name != null && currentUser.last_name.equals(newLast)) { return; } TLRPC.TL_account_updateProfile req = new TLRPC.TL_account_updateProfile(); req.flags = 3; currentUser.first_name = req.first_name = newFirst; currentUser.last_name = req.last_name = newLast; TLRPC.User user = MessagesController.getInstance().getUser(UserConfig.getClientUserId()); if (user != null) { user.first_name = req.first_name; user.last_name = req.last_name; } UserConfig.saveConfig(true); NotificationCenter.getInstance().postNotificationName(NotificationCenter.mainUserInfoChanged); NotificationCenter.getInstance().postNotificationName(NotificationCenter.updateInterfaces, MessagesController.UPDATE_MASK_NAME); ConnectionsManager.getInstance().sendRequest(req, new RequestDelegate() { @Override public void run(TLObject response, TLRPC.TL_error error) { } }); } @Override public void onTransitionAnimationEnd(boolean isOpen, boolean backward) { if (isOpen) { AndroidUtilities.runOnUIThread(new Runnable() { @Override public void run() { if (firstNameField != null) { firstNameField.requestFocus(); AndroidUtilities.showKeyboard(firstNameField); } } }, 100); } } }