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tt-rss-android/src/org/fox/ttrss/ArticleFragment.java

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experimental animation stuff
2011-09-09 11:58:11 +00:00
package org.fox.ttrss;
fix webview encoding in articlefragment
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import java.text.SimpleDateFormat;
import java.util.Date;
rework fragment interaction through listeners articlefragment now works
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implement moving between articles
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import org.fox.ttrss.ArticleOps.RelativeArticle;
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import android.app.Activity;
import android.content.SharedPreferences;
import android.os.Bundle;
refresh feeds when article is closed fixes for dark theme
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import android.preference.PreferenceManager;
notify to configure application when needed rebuild with ACP update ADT
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import android.support.v4.app.Fragment;
various layout tweaks fix logout action
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import android.text.Html;
import android.text.method.LinkMovementMethod;
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import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
fix image fitting to width in webviews
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import android.webkit.WebSettings;
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import android.webkit.WebView;
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import android.widget.ImageView;
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import android.widget.TextView;
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use test mode ads on emulator
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import com.google.ads.AdRequest;
import com.google.ads.AdView;
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public class ArticleFragment extends Fragment implements OnClickListener {
drop databasehelper, misc cleanup, suppress some warnings
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@SuppressWarnings("unused")
implement webview for content
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private final String TAG = this.getClass().getSimpleName();
refresh feeds when article is closed fixes for dark theme
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private SharedPreferences m_prefs;
rework fragment interaction through listeners articlefragment now works
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private Article m_article;
add menus to toggle marked/published on active article
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private ArticleOps m_articleOps;
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private Article m_nextArticle;
private Article m_prevArticle;
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private GestureDetector m_gestureDetector;
private View.OnTouchListener m_gestureListener;
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@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
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m_article = savedInstanceState.getParcelable("article");
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}
View view = inflater.inflate(R.layout.article_fragment, container, false);
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implement swiping between articles (in small screen mode)
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m_gestureDetector = new GestureDetector(new MyGestureDetector());
m_gestureListener = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent aEvent) {
if (m_gestureDetector.onTouchEvent(aEvent))
return true;
else
return false;
}
};
implement moving between articles
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// TODO change to interface?
MainActivity activity = (MainActivity)getActivity();
if (activity != null) {
int orientation = activity.getWindowManager().getDefaultDisplay().getOrientation();
if (!activity.isSmallScreen()) {
if (orientation % 2 == 0) {
view.findViewById(R.id.splitter_horizontal).setVisibility(View.GONE);
} else {
view.findViewById(R.id.splitter_vertical).setVisibility(View.GONE);
}
} else {
view.findViewById(R.id.splitter_vertical).setVisibility(View.GONE);
view.findViewById(R.id.splitter_horizontal).setVisibility(View.GONE);
}
} else {
view.findViewById(R.id.splitter_horizontal).setVisibility(View.GONE);
}
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rework fragment interaction through listeners articlefragment now works
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if (m_article != null) {
TextView title = (TextView)view.findViewById(R.id.title);
if (title != null) {
allow longer titles in article view
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String titleStr;
if (m_article.title.length() > 200)
titleStr = m_article.title.substring(0, 200) + "...";
else
titleStr = m_article.title;
various layout tweaks fix logout action
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title.setMovementMethod(LinkMovementMethod.getInstance());
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title.setText(Html.fromHtml("<a href=\""+m_article.link.replace("\"", "\\\"")+"\">" + titleStr + "</a>"));
rework fragment interaction through listeners articlefragment now works
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}
WebView web = (WebView)view.findViewById(R.id.content);
if (web != null) {
fix webview encoding in articlefragment
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String content;
improve error handling by ApiRequest
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String cssOverride = "";
use meta viewport for embedded webviews
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web.setBackgroundColor(0x00000000);
fix image fitting to width in webviews
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WebSettings ws = web.getSettings();
ws.setSupportZoom(true);
ws.setBuiltInZoomControls(true);
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improve error handling by ApiRequest
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if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK")) {
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cssOverride = "body { background : transparent; color : #e0e0e0}\n";
} else {
cssOverride = "body { background : transparent; }\n";
fix webview encoding in articlefragment
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}
rework fragment interaction through listeners articlefragment now works
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improve error handling by ApiRequest
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content =
"<html>" +
"<head>" +
"<meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\">" +
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"<meta name=\"viewport\" content=\"target-densitydpi=device-dpi\" />" +
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"<style type=\"text/css\">" +
cssOverride +
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"img { max-width : 98%; height : auto; }" +
improve error handling by ApiRequest
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"body { text-align : justify; }" +
"</style>" +
"</head>" +
"<body>" + m_article.content + "</body></html>";
switch to yet another hack to display utf-8 characters in webview, thanks google!
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web.loadDataWithBaseURL(null, content, "text/html", "utf-8", null);
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if (activity.isSmallScreen())
web.setOnTouchListener(m_gestureListener);
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}
implement closing of articlepanel
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fix webview encoding in articlefragment
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TextView dv = (TextView)view.findViewById(R.id.date);
if (dv != null) {
Date d = new Date(m_article.updated * 1000L);
SimpleDateFormat df = new SimpleDateFormat("EEE, dd MMM yyyy, HH:mm");
dv.setText(df.format(d));
}
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TextView tagv = (TextView)view.findViewById(R.id.tags);
if (tagv != null) {
if (m_article.tags != null) {
String tagsStr = "";
for (String tag : m_article.tags)
tagsStr += tag + ", ";
tagsStr = tagsStr.replaceAll(", $", "");
tagv.setText(tagsStr);
} else {
tagv.setVisibility(View.GONE);
}
fix webview encoding in articlefragment
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}
use test mode ads on emulator
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AdView av = (AdView)view.findViewById(R.id.ad);
make ads optional
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boolean enableAds = m_prefs.getBoolean("enable_ads", false);
use test mode ads on emulator
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if (av != null) {
make ads optional
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if (enableAds) {
AdRequest request = new AdRequest();
request.addTestDevice(AdRequest.TEST_EMULATOR);
av.loadAd(request);
} else {
av.setVisibility(View.GONE);
}
use test mode ads on emulator
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}
implement moving between articles
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ImageView next = (ImageView)view.findViewById(R.id.next_article);
if (next != null) {
if (m_nextArticle != null) {
next.setOnClickListener(this);
} else {
next.setImageResource(R.drawable.ic_next_article_disabled);
}
}
ImageView prev = (ImageView)view.findViewById(R.id.prev_article);
if (prev != null) {
if (m_prevArticle != null) {
prev.setOnClickListener(this);
} else {
prev.setImageResource(R.drawable.ic_prev_article_disabled);
}
}
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}
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return view;
}
@Override
public void onDestroy() {
attempt to sync db access
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super.onDestroy();
experimental animation stuff
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}
@Override
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public void onSaveInstanceState (Bundle out) {
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super.onSaveInstanceState(out);
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out.putParcelable("article", m_article);
experimental animation stuff
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}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
rework fragment interaction through listeners articlefragment now works
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refresh feeds when article is closed fixes for dark theme
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m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
add menus to toggle marked/published on active article
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m_articleOps = (ArticleOps)activity;
m_article = m_articleOps.getSelectedArticle();
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m_prevArticle = m_articleOps.getRelativeArticle(m_article, RelativeArticle.BEFORE);
m_nextArticle = m_articleOps.getRelativeArticle(m_article, RelativeArticle.AFTER);
}
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implement moving between articles
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@Override
public void onClick(View v) {
if (v.getId() == R.id.next_article) {
m_articleOps.openArticle(m_nextArticle, 0);
} else if (v.getId() == R.id.prev_article) {
m_articleOps.openArticle(m_prevArticle, R.anim.slide_right);
}
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}
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// http://blog.blackmoonit.com/2010/07/gesture-detection-swipe-detection_4292.html
class MyGestureDetector extends SimpleOnGestureListener {
private static final int SWIPE_MIN_DISTANCE = 150;
private static final int SWIPE_MAX_OFF_PATH = 100;
private static final int SWIPE_THRESHOLD_VELOCITY = 100;
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
float dX = e2.getX()-e1.getX();
float dY = e1.getY()-e2.getY();
if (Math.abs(dY)<SWIPE_MAX_OFF_PATH &&
Math.abs(velocityX)>=SWIPE_THRESHOLD_VELOCITY &&
Math.abs(dX)>=SWIPE_MIN_DISTANCE ) {
if (dX>0) {
//Log.d(TAG, "Right swipe");
if (m_prevArticle != null)
m_articleOps.openArticle(m_prevArticle, R.anim.slide_right);
} else {
//Log.d(TAG, "Left swipe");
if (m_nextArticle != null)
m_articleOps.openArticle(m_nextArticle, 0);
}
return true;
/* } else if (Math.abs(dX)<SWIPE_MAX_OFF_PATH &&
Math.abs(velocityY)>=SWIPE_THRESHOLD_VELOCITY &&
Math.abs(dY)>=SWIPE_MIN_DISTANCE ) {
if (dY>0) {
Log.d(TAG, "Up swipe");
} else {
Log.d(TAG, "Down swipe");
}
return true; */
}
return false;
}
};
experimental animation stuff
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}
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