Small tablet support (< 8")

* Portrait mode
** feed list is now smaller and article list is bigger
* Landscape mode
** small tablets display always only two columns

res/layout-sw600dp-port/main.xml

@@ -11,9 +11,9 @@
 
         <FrameLayout
             android:id="@+id/feeds_fragment"
-            android:layout_width="300dp"
+            android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:layout_weight="0"
+            android:layout_weight="0.6"
             android:background="?feedlistBackground" >
         </FrameLayout>
 
@@ -21,6 +21,7 @@
             android:id="@+id/vertical_fragment_container"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
+            android:layout_weight="0.4"
             android:orientation="vertical" >
 
             <FrameLayout

src/org/fox/ttrss/CommonActivity.java

@@ -2,10 +2,11 @@ package org.fox.ttrss;
 
 import org.fox.ttrss.util.DatabaseHelper;
 
-import android.content.res.Configuration;
 import android.database.sqlite.SQLiteDatabase;
 import android.os.Bundle;
 import android.support.v4.app.FragmentActivity;
+import android.util.DisplayMetrics;
+import android.util.FloatMath;
 import android.util.Log;
 import android.view.Display;
 import android.widget.Toast;
@@ -23,12 +24,30 @@ public class CommonActivity extends FragmentActivity {
 
 	private boolean m_smallScreenMode = true;
 	private boolean m_compatMode = false;
+	private boolean m_smallTablet = false;
 
 	protected void setSmallScreen(boolean smallScreen) {
 		Log.d(TAG, "m_smallScreenMode=" + smallScreen);
 		m_smallScreenMode = smallScreen;
 	}
 	
+	protected void setupSmallTabletFlag() {
+
+		DisplayMetrics displayMetrics = new DisplayMetrics();
+		getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
+
+		float inHeight = displayMetrics.heightPixels / displayMetrics.ydpi;
+		float inWidth = displayMetrics.widthPixels / displayMetrics.xdpi;
+		
+		float inDiag = FloatMath.sqrt(inHeight * inHeight + inWidth * inWidth);
+		
+		if (inDiag < 8) {
+			m_smallTablet = true;
+		}
+		
+		Log.d(TAG, "m_smallTabletMode=" + m_smallTablet);
+	}
+	
 	private void initDatabase() {
 		DatabaseHelper dh = new DatabaseHelper(getApplicationContext());
 		
@@ -67,6 +86,10 @@ public class CommonActivity extends FragmentActivity {
 	public boolean isSmallScreen() {
 		return m_smallScreenMode;
 	}
+	
+	public boolean isSmallTablet() {
+		return m_smallTablet;
+	}
 
 	public boolean isCompatMode() {
 		return m_compatMode;

src/org/fox/ttrss/MainActivity.java

@@ -645,6 +645,8 @@ public class MainActivity extends CommonActivity implements OnlineServices {
 		setContentView(R.layout.main);
 		
 		setSmallScreen(findViewById(R.id.headlines_fragment) == null); 
+		
+		setupSmallTabletFlag();
 
 		IntentFilter filter = new IntentFilter();
 		filter.addAction(OfflineDownloadService.INTENT_ACTION_SUCCESS);
@@ -662,7 +664,7 @@ public class MainActivity extends CommonActivity implements OnlineServices {
 		if (!isCompatMode()) {
 			
 			if (!isSmallScreen()) {				
-				findViewById(R.id.feeds_fragment).setVisibility(m_selectedArticle != null && isPortrait() ? View.GONE : View.VISIBLE);
+				findViewById(R.id.feeds_fragment).setVisibility(m_selectedArticle != null && (isPortrait() || isSmallTablet()) ? View.GONE : View.VISIBLE);
 				findViewById(R.id.article_fragment).setVisibility(m_selectedArticle != null ? View.VISIBLE : View.GONE);
 			}
 			
@@ -998,8 +1000,8 @@ public class MainActivity extends CommonActivity implements OnlineServices {
 			if (m_selectedArticle != null) {
 				closeArticle();
 				refresh();
-			/* } else if (m_activeFeed != null) {
+			} else if (m_activeFeed != null) {
-				closeFeed(); */	
+				closeFeed();
 			} else if (m_activeCategory != null) {
 				closeCategory();
 			} else if (allowQuit) {
@@ -1008,6 +1010,28 @@ public class MainActivity extends CommonActivity implements OnlineServices {
 		}
 	}
 	
+
+	private void closeFeed() {
+		if (m_activeFeed != null) {
+			FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
+			ft.replace(R.id.headlines_fragment, new DummyFragment(), "");
+			ft.commit();
+			
+			if (m_activeFeed.is_cat) {
+				FeedCategoriesFragment cats = (FeedCategoriesFragment) getSupportFragmentManager().findFragmentByTag(FRAG_CATS);
+				cats.setSelectedCategory(null);
+			} else {
+				FeedsFragment feeds = (FeedsFragment) getSupportFragmentManager().findFragmentByTag(FRAG_FEEDS);
+				feeds.setSelectedFeed(null);					
+			}
+
+			m_activeFeed = null;
+
+			initMainMenu();
+		}
+	}
+
+	
 	@SuppressWarnings("unchecked")
 	@Override
 	public boolean onOptionsItemSelected(MenuItem item) {
@@ -1864,7 +1888,7 @@ public class MainActivity extends CommonActivity implements OnlineServices {
 			ft.hide(getSupportFragmentManager().findFragmentByTag(FRAG_HEADLINES));
 			ft.add(R.id.fragment_container, frag, FRAG_ARTICLE);
 		} else {
-			findViewById(R.id.feeds_fragment).setVisibility(isPortrait() ? View.GONE : View.VISIBLE);
+			findViewById(R.id.feeds_fragment).setVisibility(isPortrait() || isSmallTablet() ? View.GONE : View.VISIBLE);
 			findViewById(R.id.article_fragment).setVisibility(View.VISIBLE);
 			ft.replace(R.id.article_fragment, frag, FRAG_ARTICLE);
 			

src/org/fox/ttrss/offline/OfflineActivity.java

@@ -291,10 +291,12 @@ public class OfflineActivity extends CommonActivity implements
 		setContentView(R.layout.main);
 		
 		setSmallScreen(findViewById(R.id.headlines_fragment) == null);
+		
+		setupSmallTabletFlag();
 
 		if (!isCompatMode()) {
 			if (!isSmallScreen()) {
-				findViewById(R.id.feeds_fragment).setVisibility(m_selectedArticleId != 0 && isPortrait() ? View.GONE : View.VISIBLE);
+				findViewById(R.id.feeds_fragment).setVisibility(m_selectedArticleId != 0 && (isPortrait() || isSmallTablet()) ? View.GONE : View.VISIBLE);
 				findViewById(R.id.article_fragment).setVisibility(m_selectedArticleId != 0 ? View.VISIBLE : View.GONE);
 			}
 			
@@ -1399,7 +1401,7 @@ public class OfflineActivity extends CommonActivity implements
 			ft.hide(getSupportFragmentManager().findFragmentByTag(FRAG_HEADLINES));
 			ft.add(R.id.fragment_container, frag, FRAG_ARTICLE);
 		} else {
-			findViewById(R.id.feeds_fragment).setVisibility(isPortrait() ? View.GONE : View.VISIBLE);
+			findViewById(R.id.feeds_fragment).setVisibility(isPortrait() || isSmallTablet() ? View.GONE : View.VISIBLE);
 			findViewById(R.id.article_fragment).setVisibility(View.VISIBLE);			
 			ft.replace(R.id.article_fragment, frag, FRAG_ARTICLE);