key view is working

OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/widget/FixedListView.java

@@ -0,0 +1,55 @@
+package org.sufficientlysecure.keychain.ui.widget;
+
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ */
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.ListView;
+
+/**
+ * Automatically calculate height of listview based on contained items. This enables to put this
+ * ListView into a ScrollView without messing up.
+ * 
+ * from
+ * http://stackoverflow.com/questions/2419246/how-do-i-create-a-listview-thats-not-in-a-scrollview-
+ * or-has-the-scrollview-dis
+ */
+public class FixedListView extends ListView {
+
+    public FixedListView(Context context) {
+        super(context);
+    }
+
+    public FixedListView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    public FixedListView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        // Calculate height of the entire list by providing a very large
+        // height hint. But do not use the highest 2 bits of this integer;
+        // those are reserved for the MeasureSpec mode.
+        int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
+        super.onMeasure(widthMeasureSpec, expandSpec);
+    }
+
+}