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The source code is released under:
GNU General Public License
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/* * Copyright 2012 Loong H/*w ww . ja va2 s .com*/ * * Qingzhou is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Qingzhou is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.loongsoft.qingzhou; import java.util.ArrayList; import java.util.List; import org.jraf.android.backport.switchwidget.Switch; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.os.Bundle; import android.os.Parcelable; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.support.v4.view.ViewPager.OnPageChangeListener; import android.text.InputType; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.EditText; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.Toast; public class WelcomeActivity extends Activity { private ViewPager mPager; private List<View> mPagerViews; private List<ImageView> mDots; LayoutInflater mInflater; EditText mUserName; EditText mPassword; EditText mPasswordConfirmed; Switch mPasswordSwitch; private final static int TOAST_LENGTH = 1000; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.welcome); InitViewPager(); InitDots(); mPager.setAdapter(new WelcomePagerAdapter(mPagerViews)); mPager.setCurrentItem(0); } private void InitViewPager() { mPager = (ViewPager) findViewById(R.id.welcome_view_pager); mPagerViews = new ArrayList<View>(); mInflater = getLayoutInflater(); mPagerViews.add(mInflater.inflate(R.layout.welcome_intro, null)); mPagerViews.add(mInflater.inflate(R.layout.welcome_overview, null)); View welcome_promise = mInflater.inflate(R.layout.welcome_promise, null); mPagerViews.add(welcome_promise); Button quit = (Button)welcome_promise.findViewById(R.id.welcome_promise_quit); Button agree = (Button)welcome_promise.findViewById(R.id.welcome_promise_agree); quit.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { finish(); } }); agree.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (mPagerViews.size() < 4) { View welcome_setting = mInflater.inflate( R.layout.welcome_settings, null); mPagerViews.add(welcome_setting); addDot(); Button finish = (Button)welcome_setting.findViewById(R.id.welcome_finish); final EditText name = (EditText)welcome_setting.findViewById(R.id.welcome_name); finish.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //validate input if (TextUtils.isEmpty(mUserName.getText().toString())) { Toast.makeText(WelcomeActivity.this, WelcomeActivity.this.getResources().getString(R.string.welcome_settings_name), TOAST_LENGTH).show(); return; } if (mPasswordSwitch.isChecked()) { if (TextUtils.isEmpty(mPassword.getText().toString()) || TextUtils.isEmpty(mPasswordConfirmed.getText().toString())) { Toast.makeText(WelcomeActivity.this, WelcomeActivity.this.getResources().getString(R.string.password_is_empty), TOAST_LENGTH).show(); return; } if (!TextUtils.equals(mPassword.getText().toString(), mPasswordConfirmed.getText().toString())) { Toast.makeText(WelcomeActivity.this, WelcomeActivity.this.getResources().getString(R.string.password_not_equal), TOAST_LENGTH).show(); return; } } SharedPreferences pref = getSharedPreferences(MetaData.PREFS_NAME, MODE_PRIVATE); Editor editor = pref.edit(); editor.putString(MetaData.USER_NAME, name.getText().toString()); editor.putLong(MetaData.PROMISE_TIME, System.currentTimeMillis()); editor.putBoolean(MetaData.FIRST_RUN, false); editor.putBoolean(MetaData.USE_PASSWORD, mPasswordSwitch.isChecked()); editor.putString(MetaData.PASSWORD, mPassword.getText().toString()); editor.commit(); MetaData.isFirstRun = false; MetaData.userName = mUserName.getText().toString(); MetaData.usePassword = mPasswordSwitch.isChecked(); MetaData.promiseTime = System.currentTimeMillis(); MetaData.password = mPassword.getText().toString(); Intent intent = new Intent(WelcomeActivity.this, SplashActivity.class); startActivity(intent); WelcomeActivity.this.finish(); } }); mUserName = (EditText)welcome_setting.findViewById(R.id.welcome_name); mPasswordSwitch = (Switch)welcome_setting.findViewById(R.id.welcome_password_switch); mPassword = (EditText)welcome_setting.findViewById(R.id.welcome_password); mPasswordConfirmed = (EditText)welcome_setting.findViewById(R.id.welcome_password_confirmed); mPasswordSwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if (isChecked) { mPassword.setVisibility(View.VISIBLE); mPasswordConfirmed.setVisibility(View.VISIBLE); } else { mPassword.setVisibility(View.GONE); mPasswordConfirmed.setVisibility(View.GONE); } } }); } mPager.setCurrentItem(mPagerViews.size()-1,true); } }); mPager.setOnPageChangeListener(new OnPageChangeListener() { @Override public void onPageSelected(int index) { for (int i = 0; i < mDots.size(); i++) { mDots.get(i).setImageDrawable( getResources().getDrawable(R.drawable.welcome_dot_normal)); } mDots.get(index).setImageDrawable( getResources().getDrawable(R.drawable.welcome_dot_selected)); } @Override public void onPageScrolled(int arg0, float arg1, int arg2) { } @Override public void onPageScrollStateChanged(int arg0) { } }); } private void InitDots() { mDots = new ArrayList<ImageView>(); for (int i = 0; i < mPagerViews.size(); i++) { addDot(); } mDots.get(0).setImageDrawable( getResources().getDrawable(R.drawable.welcome_dot_selected)); } private void addDot() { ImageView dotImageView = new ImageView(this); dotImageView.setImageDrawable(getResources().getDrawable(R.drawable.welcome_dot_normal)); LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(15, 15); params.setMargins(5, 5, 5, 5); dotImageView.setLayoutParams(params); LinearLayout welcome_dots_layout = (LinearLayout)findViewById(R.id.welcome_dots); welcome_dots_layout.addView(dotImageView); mDots.add(dotImageView); } public class WelcomePagerAdapter extends PagerAdapter { public List<View> mListViews; public WelcomePagerAdapter(List<View> mListViews) { this.mListViews = mListViews; } @Override public void destroyItem(View arg0, int arg1, Object arg2) { ((ViewPager) arg0).removeView(mListViews.get(arg1)); } @Override public void finishUpdate(View arg0) { } @Override public int getCount() { return mListViews.size(); } @Override public Object instantiateItem(View arg0, int arg1) { ((ViewPager) arg0).addView(mListViews.get(arg1), 0); return mListViews.get(arg1); } @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0 == (arg1); } @Override public void restoreState(Parcelable arg0, ClassLoader arg1) { } @Override public Parcelable saveState() { return null; } @Override public void startUpdate(View arg0) { } } }