Fixed size of documentation popup

Closes #1341

CHANGELOG.md

@@ -9,6 +9,7 @@ Changelog
 
 **Next release**
 
+* Fixed size of documentation popup ([issue](/../../issues/1341))
 * Added restriction for connecting to the internet (experimental)
 * Added restriction for *system/getPreferredActivities*
 * Added documentation for sensors, overlay, system and view thanks @[jpeg729](https://github.com/jpeg729) ([issue](/../../issues/838))

res/layout/popup.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="wrap_content"
+    android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"
     android:paddingBottom="@dimen/activity_vertical_margin"
@@ -9,7 +9,7 @@
     android:paddingTop="@dimen/activity_vertical_margin" >
 
     <LinearLayout
-        android:layout_width="wrap_content"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="?attr/background_tutorial"
         android:orientation="vertical" >

src/biz/bokhorst/xprivacy/ActivityApp.java

@@ -1257,9 +1257,11 @@ public void onClick(View view) {
 						tvInfo.setText(Html.fromHtml(text));
 						tvInfo.setMovementMethod(LinkMovementMethod.getInstance());
 
+						View parent = ActivityApp.this.findViewById(android.R.id.content);
+
 						final PopupWindow popup = new PopupWindow(layout);
 						popup.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
-						popup.setWidth(WindowManager.LayoutParams.WRAP_CONTENT);
+						popup.setWidth(90 * parent.getWidth() / 100);
 
 						Button btnOk = (Button) layout.findViewById(R.id.btnOk);
 						btnOk.setOnClickListener(new View.OnClickListener() {
@@ -1269,7 +1271,7 @@ public void onClick(View v) {
 							}
 						});
 
-						popup.showAtLocation(view, Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL, 0, 0);
+						popup.showAtLocation(parent, Gravity.CENTER, 0, 0);
 					}
 				});
 			}