android-widget

问题 I have developed an android application and run it on an HVGA emulator. It's running successfully on any HVGA device i.e. mdpi. But if I try to run on small screen resolution devices i.e QVGA then my buttons are looking as if they go down and dont fit onto the small screen... So how can I run my android application on multiple screen resolution successfully? 回答1: follow these instructions create a folder in yourAppFolder/res/ named layout-small (*more on this subject later) insert in this

问题 How do I change the font style in a TextView in a Home screen widget? 回答1: If you mean in runtime, a simple way is: Text Size yourRemoteView.setFloat(R.id.textview, "setTextSize", 30); Text Color yourRemoteView.setInt(R.id.textview, "setTextColor", Color.RED); 回答2: Like this: First, define text styles in values/styles.xml : <resources> <style name="AppTheme" parent="android:style/Theme.Light"> .... </style> <style name="WidgetEntryTitle" parent="style/AppTheme"> <item name="android:textSize"

问题 I've a ScrollView / RelativeLayout / FrameLayout and I inside put programmaticaly some widgets. Here is the gui xml : <?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:fillViewport="true" android:background="@drawable/fond_app"> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" > <TextView android:id="@+id/titreAppli"

问题 I've a ScrollView / RelativeLayout / FrameLayout and I inside put programmaticaly some widgets. Here is the gui xml : <?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:fillViewport="true" android:background="@drawable/fond_app"> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" > <TextView android:id="@+id/titreAppli"

问题 I have a homescreen widget, with linear layout. I'm trying to set Alpha for the background during runtime using remote views, but the widget doesn't load. I'm using this: remoteView.setFloat(R.id.widget_background, "setAlpha", (float)0.7); Setting background color or text color the same way, works. How can I set the background transparency using remote views? 回答1: There is a simple solution using background color in hex. You have a color, for example RED - #ff0000 to set background red to

问题 I need to start a process only when the gallery stop scrolling. "onItemSelected" doesn't cut it as it will be called continuously as if scroll by. So how to detect or callback when the gallery stop scrolling? 回答1: You can tune the behaviour of the galleryview a little bit with calling setCallbackDuringFling(false). This should limit the calls to onItemSelected to cases where the user stopped scrolling. 来源： https://stackoverflow.com/questions/4733798/how-to-know-when-gallery-widget-stop

问题 This is the error I'm getting in my layout XML files: Exception raised during rendering: 0 Exception details are logged in Window > Show View > Error Log The following classes could not be found: - View (Change to android.view.View, Fix Build Path, Edit XML) My Xml File is : <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/list_view_main_lin_layout" android:layout_width="match_parent" android:layout_height="match

问题 I'm trying to personalize an ExpandableLisTview I create Iterator.Xml: with The ExpandableList View group.xml:A relative Layout with a simple TextView and a Button Child.xml:A relative layout with just a textView Class: package Android.MyExapandableListView; import android.app.Activity; import android.app.ExpandableListActivity; import android.os.Bundle; import android.view.ContextMenu; import android.view.LayoutInflater; import android.view.MenuItem; import android.view.View; import android

问题 The Lars Vogel's tutorial on SQLite, own ContentProvider and Loader uses the following layout for the list of ToDo items (check the http://www.vogella.com/articles/AndroidSQLite/article.html#todo_layout, todo_row.xml layout file): <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" > <ImageView android:id="@+id/icon" android:layout_width="30dp" android:layout

问题 There is one ImageView in my homescreen widget. In the layout file, I am setting the height and width to wrap_content . But depending on user's input, I have to change its height and width to match_parent . How can this be done ? RemoteViews rv = new RemoteViews(context.getPackageName(), R.layout.widget_layout); Now I tried to use the setInt() method on this RemoteViews object like this to just check if it is possible to change height and width: rv.setInt(R.id.widgetImageView,