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package org.xing.android;
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import android.content.ActivityNotFoundException;
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import android.content.Intent;
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import android.content.pm.ActivityInfo;
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import android.net.Uri;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.text.TextUtils;
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import android.view.KeyEvent;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.WindowManager;
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import android.webkit.WebChromeClient;
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import android.webkit.WebResourceResponse;
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import android.webkit.WebSettings;
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import android.webkit.WebView;
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import android.webkit.WebViewClient;
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import android.widget.Button;
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import android.widget.FrameLayout;
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import android.widget.LinearLayout;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import com.umeng.analytics.MobclickAgent;
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import java.io.ByteArrayInputStream;
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public class SimpleHelpActivity extends AppCompatActivity {
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private WebView helpWeb;
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private View videoView;
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private FrameLayout videoContainerView;
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LinearLayout toolBar;
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private ProgressBar progressBar;
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private TextView titleText;
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private WebChromeClient chromeClient;
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/**
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* 设置全屏
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*/
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private void setFullScreen() {
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// 设置全屏的相关属性，获取当前的屏幕状态，然后设置全屏
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getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
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WindowManager.LayoutParams.FLAG_FULLSCREEN);
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// 全屏下的状态码：1098974464
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// 窗口下的状态吗：1098973440
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}
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/**
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* 退出全屏
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*/
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private void quitFullScreen() {
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// 声明当前屏幕状态的参数并获取
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final WindowManager.LayoutParams attrs = getWindow().getAttributes();
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attrs.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
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getWindow().setAttributes(attrs);
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getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
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}
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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.activity_simple_help);
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videoView = null;
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videoContainerView = (FrameLayout) findViewById(R.id.video);
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toolBar = (LinearLayout) findViewById(R.id.toolBar);
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progressBar = (ProgressBar) findViewById(R.id.webProgress);
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titleText = (TextView) findViewById(R.id.help_title);
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Button closeButton = (Button) findViewById(R.id.help_close);
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closeButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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finish();
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}
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});
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helpWeb = (WebView) this.findViewById(R.id.simple_help);
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helpWeb.setBackgroundColor(0);
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WebSettings settings = helpWeb.getSettings();
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settings.setJavaScriptEnabled(true);
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settings.setJavaScriptCanOpenWindowsAutomatically(true);
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settings.setDatabaseEnabled(true);
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settings.setAppCacheEnabled(true);
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settings.setCacheMode(WebSettings.LOAD_DEFAULT);
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settings.setPluginState(WebSettings.PluginState.ON);
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settings.setAllowFileAccess(true);
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settings.setLoadWithOverviewMode(false);
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settings.setDomStorageEnabled(true);
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chromeClient = new WebChromeClient() {
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private CustomViewCallback callBack;
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// 播放网络视频时全屏会被调用的方法
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@Override
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public void onShowCustomView(View view, CustomViewCallback callback) {
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setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
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toolBar.setVisibility(View.INVISIBLE);
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helpWeb.setVisibility(View.INVISIBLE);
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// 如果一个视图已经存在，那么立刻终止并新建一个
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if (videoView != null) {
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callback.onCustomViewHidden();
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return;
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}
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videoContainerView.addView(view);
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videoView = view;
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callBack = callback;
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videoContainerView.setVisibility(View.VISIBLE);
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setFullScreen();
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}
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// 视频播放退出全屏会被调用的
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@Override
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public void onHideCustomView() {
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if (videoView == null)// 不是全屏播放状态
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return;
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setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
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videoView.setVisibility(View.GONE);
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videoContainerView.removeView(videoView);
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videoView = null;
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videoContainerView.setVisibility(View.GONE);
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callBack.onCustomViewHidden();
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toolBar.setVisibility(View.VISIBLE);
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helpWeb.setVisibility(View.VISIBLE);
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quitFullScreen();
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}
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@Override
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public void onProgressChanged(WebView view, int newProgress) {
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if (newProgress == 100) {
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progressBar.setVisibility(View.GONE);
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} else {
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if (View.INVISIBLE == progressBar.getVisibility()) {
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progressBar.setVisibility(View.VISIBLE);
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titleText.setText("页面加载中...");
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}
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progressBar.setProgress(newProgress);
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}
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super.onProgressChanged(view, newProgress);
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}
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};
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helpWeb.setWebChromeClient(chromeClient);
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helpWeb.setWebViewClient(new WebViewClient() {
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@Override
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public void onPageFinished(WebView view, String url) {
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WebView.HitTestResult hitTestResult = view.getHitTestResult();
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if (!TextUtils.isEmpty(url) && hitTestResult == null) {
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return;
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}
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titleText.setText(view.getTitle());
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}
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public boolean shouldOverrideUrlLoading(WebView view, String url) {
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view.loadUrl(url);
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return true;
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}
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@Override
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public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
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if (url.startsWith("http") || url.startsWith("https")
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|| url.startsWith("javascript") || url.startsWith("file")) {
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return super.shouldInterceptRequest(view, url);
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} else {
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String tips = "启动外部应用...";
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try {
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Intent in = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
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startActivity(in);
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} catch (ActivityNotFoundException ex) {
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tips = "启动外部应用失败，请安装最新版应用。";
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}
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return new WebResourceResponse("text/plain", "utf-8", new ByteArrayInputStream(tips.getBytes()));
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}
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}
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});
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helpWeb.setOnTouchListener(new View.OnTouchListener() {
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private float x1 = 0;
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private float x2 = 0;
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private float y1 = 0;
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private float y2 = 0;
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@Override
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public boolean onTouch(View v, MotionEvent event) {
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//继承了Activity的onTouchEvent方法，直接监听点击事件
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if (event.getAction() == MotionEvent.ACTION_DOWN) {
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//当手指按下的时候
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x1 = event.getX();
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y1 = event.getY();
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}
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if (event.getAction() == MotionEvent.ACTION_UP) {
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//当手指离开的时候
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x2 = event.getX();
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y2 = event.getY();
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if (y1 - y2 > 50) {
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toolBar.setVisibility(View.GONE);
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} else if (y2 - y1 > 50) {
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toolBar.setVisibility(View.VISIBLE);
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}
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}
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return false;
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}
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});
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String url = getIntent().getStringExtra("url");
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helpWeb.loadUrl(url);
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}
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@Override
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public void onResume() {
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super.onResume();
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MobclickAgent.onResume(this);
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helpWeb.onResume();
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}
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@Override
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public void onPause() {
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super.onPause();
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MobclickAgent.onPause(this);
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helpWeb.onPause();
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}
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent event) {
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if (keyCode == KeyEvent.KEYCODE_BACK && helpWeb.canGoBack()) {
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helpWeb.goBack();// 返回前一个页面
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return true;
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}
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return super.onKeyDown(keyCode, event);
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}
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@Override
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public void onBackPressed() {
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if (videoView == null) {
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super.onBackPressed();
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} else {
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chromeClient.onHideCustomView();
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}
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}
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}
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