380 lines
14 KiB
Java
380 lines
14 KiB
Java
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/*
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* This is the source code of Telegram for Android v. 1.2.3.
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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* Copyright Nikolai Kudashov, 2013.
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*/
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package org.telegram.ui;
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import android.content.Context;
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import android.content.Intent;
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import android.content.res.Configuration;
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import android.graphics.Typeface;
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import android.os.Bundle;
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import android.os.Parcelable;
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import android.support.v4.view.PagerAdapter;
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import android.support.v4.view.ViewPager;
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import android.text.Html;
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import android.view.Display;
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import android.view.Surface;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewTreeObserver;
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import android.view.WindowManager;
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import android.view.animation.Animation;
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import android.view.animation.AnimationUtils;
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import android.widget.FrameLayout;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.actionbarsherlock.app.SherlockFragmentActivity;
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import org.telegram.messenger.R;
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import org.telegram.messenger.Utilities;
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import java.util.Locale;
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public class IntroActivity extends SherlockFragmentActivity {
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private ViewPager viewPager;
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private ImageView topImage1;
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private ImageView topImage2;
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private View slidingView;
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private View parentSlidingView;
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private TextView startMessagingButton;
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private int lastPage = 0;
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private float density = 1;
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private boolean isRTL = false;
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private boolean justCreated = false;
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private boolean startPressed = false;
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private int[][] colors2 = new int[][] {
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new int[] {179, 179, 179},
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new int[] {247, 91, 47},
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new int[] {249, 145, 23},
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new int[] {250, 200, 0},
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new int[] {93, 195, 38},
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new int[] {47, 146, 232}
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};
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private int[] icons;
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private int[] titles;
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private int[] messages;
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int fixedFirstNum1;
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int fixedFirstNum2;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.intro_layout);
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Locale locale = Locale.getDefault();
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String lang = locale.getLanguage();
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if (lang != null && lang.toLowerCase().equals("ar")) {
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isRTL = true;
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icons = new int[] {
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R.drawable.icon5,
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R.drawable.icon4,
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R.drawable.icon3,
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R.drawable.icon2,
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R.drawable.icon1,
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R.drawable.icon0
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};
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titles = new int[] {
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R.string.Page6Title,
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R.string.Page5Title,
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R.string.Page4Title,
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R.string.Page3Title,
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R.string.Page2Title,
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R.string.Page1Title
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};
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messages = new int[] {
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R.string.Page6Message,
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R.string.Page5Message,
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R.string.Page4Message,
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R.string.Page3Message,
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R.string.Page2Message,
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R.string.Page1Message
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};
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fixedFirstNum1 = 5;
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fixedFirstNum2 = 4;
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} else {
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icons = new int[] {
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R.drawable.icon0,
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R.drawable.icon1,
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R.drawable.icon2,
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R.drawable.icon3,
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R.drawable.icon4,
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R.drawable.icon5
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};
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titles = new int[] {
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R.string.Page1Title,
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R.string.Page2Title,
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R.string.Page3Title,
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R.string.Page4Title,
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R.string.Page5Title,
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R.string.Page6Title
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};
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messages = new int[] {
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R.string.Page1Message,
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R.string.Page2Message,
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R.string.Page3Message,
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R.string.Page4Message,
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R.string.Page5Message,
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R.string.Page6Message
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};
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fixedFirstNum1 = 0;
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fixedFirstNum2 = 1;
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}
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density = getResources().getDisplayMetrics().density;
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viewPager = (ViewPager)findViewById(R.id.intro_view_pager);
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slidingView = findViewById(R.id.sliding_view);
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parentSlidingView = findViewById(R.id.parent_slinding_view);
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startMessagingButton = (TextView)findViewById(R.id.start_messaging_button);
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topImage1 = (ImageView)findViewById(R.id.icon_image1);
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topImage2 = (ImageView)findViewById(R.id.icon_image2);
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topImage2.setVisibility(View.GONE);
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viewPager.setAdapter(new IntroAdapter());
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viewPager.setPageMargin(0);
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viewPager.setOffscreenPageLimit(1);
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viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
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@Override
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public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
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updateColors(position, positionOffset);
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}
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@Override
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public void onPageSelected(int i) {
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}
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@Override
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public void onPageScrollStateChanged(int i) {
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if (i == ViewPager.SCROLL_STATE_IDLE || i == ViewPager.SCROLL_STATE_SETTLING) {
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if (lastPage != viewPager.getCurrentItem()) {
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int prevPage = lastPage;
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lastPage = viewPager.getCurrentItem();
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final ImageView fadeoutImage;
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final ImageView fadeinImage;
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if (topImage1.getVisibility() == View.VISIBLE) {
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fadeoutImage = topImage1;
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fadeinImage = topImage2;
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} else {
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fadeoutImage = topImage2;
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fadeinImage = topImage1;
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}
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fadeinImage.bringToFront();
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fadeinImage.setImageResource(icons[lastPage]);
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fadeinImage.clearAnimation();
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fadeoutImage.clearAnimation();
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Animation outAnimation = AnimationUtils.loadAnimation(IntroActivity.this, R.anim.icon_anim_fade_out);
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outAnimation.setAnimationListener(new Animation.AnimationListener() {
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@Override
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public void onAnimationStart(Animation animation) {
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}
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@Override
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public void onAnimationEnd(Animation animation) {
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fadeoutImage.setVisibility(View.GONE);
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}
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@Override
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public void onAnimationRepeat(Animation animation) {
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}
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});
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Animation inAnimation = AnimationUtils.loadAnimation(IntroActivity.this, R.anim.icon_anim_fade_in);
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inAnimation.setAnimationListener(new Animation.AnimationListener() {
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@Override
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public void onAnimationStart(Animation animation) {
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fadeinImage.setVisibility(View.VISIBLE);
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}
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@Override
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public void onAnimationEnd(Animation animation) {
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}
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@Override
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public void onAnimationRepeat(Animation animation) {
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}
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});
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fadeoutImage.startAnimation(outAnimation);
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fadeinImage.startAnimation(inAnimation);
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}
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}
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}
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});
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startMessagingButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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if (startPressed) {
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return;
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}
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startPressed = true;
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Intent intent2 = new Intent(IntroActivity.this, LoginActivity.class);
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startActivity(intent2);
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finish();
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}
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});
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justCreated = true;
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getSupportActionBar().hide();
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fixLayout();
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}
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@Override
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protected void onResume() {
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super.onResume();
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if (justCreated) {
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if (isRTL) {
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viewPager.setCurrentItem(5);
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lastPage = 5;
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} else {
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viewPager.setCurrentItem(0);
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lastPage = 0;
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}
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justCreated = false;
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}
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}
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@Override
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public void onConfigurationChanged(Configuration newConfig) {
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super.onConfigurationChanged(newConfig);
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fixLayout();
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}
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private void fixLayout() {
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viewPager.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
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@Override
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public boolean onPreDraw() {
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WindowManager manager = (WindowManager)getSystemService(Context.WINDOW_SERVICE);
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Display display = manager.getDefaultDisplay();
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int rotation = display.getRotation();
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density = Utilities.applicationContext.getResources().getDisplayMetrics().density;
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FrameLayout.LayoutParams params = (FrameLayout.LayoutParams)parentSlidingView.getLayoutParams();
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FrameLayout.LayoutParams buttonParams = (FrameLayout.LayoutParams)startMessagingButton.getLayoutParams();
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if (rotation == Surface.ROTATION_270 || rotation == Surface.ROTATION_90) {
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params.setMargins(params.leftMargin, params.topMargin, params.rightMargin, (int)(50 * density));
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buttonParams.height = (int)(density * 52);
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} else {
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params.setMargins(params.leftMargin, params.topMargin, params.rightMargin, (int)(82 * density));
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buttonParams.height = (int)(density * 84);
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}
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parentSlidingView.setLayoutParams(params);
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startMessagingButton.setLayoutParams(buttonParams);
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updateColors(viewPager.getCurrentItem(), 0);
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viewPager.getViewTreeObserver().removeOnPreDrawListener(this);
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return false;
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}
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});
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}
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private void updateColors(int position, float positionOffset) {
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int colorPosition = position;
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int nextColorPosition = colorPosition + 1;
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float offset = positionOffset;
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if (isRTL) {
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colorPosition = 5 - position;
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if (positionOffset != 0) {
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colorPosition--;
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offset = 1 - offset;
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}
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nextColorPosition = colorPosition + 1;
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}
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if (colorPosition >= 0) {
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int r = colors2[colorPosition][0];
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int g = colors2[colorPosition][1];
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int b = colors2[colorPosition][2];
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if (nextColorPosition < colors2.length && nextColorPosition > 0 && offset != 0) {
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r += (colors2[nextColorPosition][0] - colors2[colorPosition][0]) * offset;
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g += (colors2[nextColorPosition][1] - colors2[colorPosition][1]) * offset;
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b += (colors2[nextColorPosition][2] - colors2[colorPosition][2]) * offset;
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}
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slidingView.setBackgroundColor(colorFromRGB(r, g, b));
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}
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int width = parentSlidingView.getWidth() / 6;
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FrameLayout.LayoutParams parentParams = (FrameLayout.LayoutParams)parentSlidingView.getLayoutParams();
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FrameLayout.LayoutParams params = (FrameLayout.LayoutParams)slidingView.getLayoutParams();
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int posX = (int)(24 * density + position * width + positionOffset * width);
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if (position >= colors2.length - 2) {
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int missed = parentSlidingView.getWidth() - width * 6;
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posX += missed * (position == colors2.length - 2 ? positionOffset : 1);
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}
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params.width = width;
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params.setMargins(posX, params.topMargin, params.rightMargin, parentParams.bottomMargin);
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slidingView.setLayoutParams(params);
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}
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private int colorFromRGB(int red, int green, int blue) {
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return 0xff000000 | red << 16 | green << 8 | blue;
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}
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private class IntroAdapter extends PagerAdapter {
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@Override
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public int getCount() {
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return 6;
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}
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@Override
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public Object instantiateItem(ViewGroup container, int position) {
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View view = View.inflate(container.getContext(), R.layout.intro_view_layout, null);
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TextView headerTextView = (TextView)view.findViewById(R.id.header_text);
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Typeface typeface = Utilities.getTypeface("fonts/rlight.ttf");
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headerTextView.setTypeface(typeface);
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TextView messageTextView = (TextView)view.findViewById(R.id.message_text);
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messageTextView.setTypeface(typeface);
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container.addView(view, 0);
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headerTextView.setText(getString(titles[position]));
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messageTextView.setText(Html.fromHtml(getString(messages[position])));
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return view;
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}
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@Override
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public void destroyItem(ViewGroup container, int position, Object object) {
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container.removeView((View) object);
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}
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@Override
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public void setPrimaryItem(ViewGroup container, int position, Object object) {
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super.setPrimaryItem(container, position, object);
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}
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@Override
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public boolean isViewFromObject(View view, Object object) {
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return view.equals(object);
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}
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@Override
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public void finishUpdate(View arg0) {
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}
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@Override
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public void restoreState(Parcelable arg0, ClassLoader arg1) {
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}
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@Override
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public Parcelable saveState() {
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return null;
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}
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@Override
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public void startUpdate(View arg0) {
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}
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}
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}
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