android-custom-view

问题 I am looking to create a custom ViewGroup to be used in a library; which contains a few ImageButton objects. I would like to be able to apply a style each ImageButton ; but I cannot figure out how to apply a style programmatically other than by applying a attribute resource to the defStyleAttr parameter; like so: mImageButton = new ImageButton( getContext(), // context null, // attrs R.attr.customImageButtonStyle); // defStyleAttr The issue with this is that the only way to change the style

问题 I create a RecyclerView with CardViews in my app. Now I want to add inside each CardView a new List of custom Views, with a custom layout (see example Image). When the add button is pressed, there should be insert a new row of this layout inside the card. How do I realize that? In the internet I readed, that a ListView inside the CardView is not possible, because a ListView is scrollable, and there should not be two scrollable Views on the activity (thats what I found..) the red marked row is

问题 I'm displaying daily events. The number of events/day is variable. Each item in the RecView is a Day which should contain as many views as the number of events. Here is one item's layout: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/llDay"> <TextView android:layout_width="wrap_content" android:layout_height=

问题 I am developing application with CordovaWebView and i have added the below code in web_view.xml file. <org.apache.cordova.CordovaWebView android:id="@+id/cordovaWebView" android:layout_width="fill_parent" android:layout_height="fill_parent" /> I have implemented methods from CordovaInterface. Now my design page showing the following error message. Tip: Use View.isInEditMode() in your custom views to skip code when shown in Eclipse Could anyone please tell me that how to resolve it? 回答1:

问题 I have a hierarchy of custom views that looks like this: Activity(RelativeLayout) -> ParentLayout(FrameLayout) -> ChildLayout(LinearLayout) The activity and parent layout are added and displayed just fine, but the child is not. I have looked at the hierarchy viewer in the device monitor to confirm it is not being added to the view hierarchy. Really all I'm trying to do here is create a view hierarchy so I can play around with handling touch events at various places in the view. Here is

问题 I'm creating my Cell view by extending LinearLayout, it's creating parent, but not showing children. I really couldn't find the problem? Cell cell = new Cell(ctx); cell.setLetterAndPosition(new Point(1,1), new Letter("A"); import android.content.Context; import android.graphics.Color; import android.graphics.Point; import android.util.AttributeSet; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.widget.Button; import android.widget

问题 Good day guys, I successfully populated my custom-listview-layout in my activity, but the problem is I can't get all the value of populated EditText in my listview, please help me what approach should I do, thanks Picture Adapter.java public View getView(int position, View convertView, ViewGroup parent) { View row; row = convertView; final dataHandler handler; if(convertView == null){ LayoutInflater inflater = (LayoutInflater) this.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE

问题 I am trying to figured out how to customize MaterialDrawer by https://github.com/mikepenz/MaterialDrawer At moment the width is too big. I want to make width smaller with bigger icons to cover the spaces and change the background color. This App will be for tablet only. thanks. Here is my drawer: <LinearLayout android:id="@+id/container" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_below="@id/toolbar"> <RelativeLayout android:layout_width="match

问题 So...., I want to use Picasso image loader library with an existing custom imageview class to load,resize,and rotate my image. The problem is I am unsuccessful with it as if I use this code: "Picasso.with(this).load(url).into(custom ImageView)" ,it gives me an error and suggests "cast parameter to target" . After casting the parameter "custom imageview" to target, when I test the application it gives me error saying "custom imageview cannot be cast to target" in the Logcat. After this problem

问题 I implemented custom ImageView. Because my image is large I'm using ScrollView and HorizontalScrollView to scrolling image. I want to draw circle in onTouch event, but its not work in all cases. When I scroll image and fire touch event the x,y coordinates apply to current visible sector of image ( in top right corner its e.g. 0x0, but when I scroll somwhere and in visible top corner it will be 0x0 too), but circle is drawing according to image size. Another problem is that app could be used