I am having a class that extends View. I have another class that extends activity and I want to add the first class to be loaded inside the activity class.
I tried the following code...
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So my layout looks basically like this:
<ScrollView>
<RelativeLayout>
<BunchOfViews/>
<ImageView android:layout_alignParentBottom="true"/>
</RelativeLayout>
</ScrollView>
I have the ScrollView so all of the layout always is visible no matter the height of the screen. The problem is that on a very high screen, I still want my imageview to be at the bottom. However, a child of a ScrollView dont seem to have a defined bottom. The View is placed at the top of the layout. How can I solve this problem in a neat way?
I want to add a view inside a FrameLayout programmatically and to place it in a specific point within the layout with a specific width and height. Does FrameLayout support this? If not, should I use an intermediate ViewGroup to achieve this? My initial idea was to add an AbsoluteLayout to the FrameLayout and place the view inside the AbsoluteLayout. Unfortunately I just found out that AbsoluteLayout is deprecated.
View 2 Replies View RelatedI have a problem interacting with a Web View. I'm showing an html login form within a web view and I can't type inside of any of the input fields of the forms. I do can interact with the links, select boxes, buttons, etc.
Here is an example of my code. Basically I'm retrieving the web view from the xml and setting it a WebViewClient and a WebChromeClient. code...
I have a ScrollView, inside of it there is a TextView, and there are two buttons for PageUp and PageDown in the other part of the layout. When I click on PageDown, I want to see the text in the TextView to scroll down one page. How could I do it?
View 2 Replies View RelatedI want to have a ViewGroup with another View in it. The user should be able to move the other View around the ViewGroup, and fling it away. However, the inner View shouldnt only move, it should also scale and so on (so we dont restrain ourselves to just movements). I don't really know the best way to implement it.
First I though about using a ViewGroup pretty much as it is (i.e. take advantage of the already-written methods). Then I could do the flinging with an Animation. However, when I move the View around with my finger, wouldnt I have to do a requestLayout, since the View changes size when I move it? Or could I just set a transform?
The other alternative would be to override the draw-method and do most of the work myself. For instance, when the user moves his/her finger, I could get a cache of the View and just paint it on the Canvas (with some transform). However, how would I do the flinging then, without an Animation? I could use a Scroller/VelocityTracker, but What would "drive" the repaints? Which is the best way to do this? Also, I won't have just one View, but a couple of them, so I'd like the solution to be effective.
A view flipper has 4 list views. When i flip the view flipper using gesture listener implemented on view flipper, it works fine. But I am not able to scroll the list view since the touch event is not able to trickle down from view flipper to list view.
CODE:.............
I want this event to be handled by list view
CODE:.................
How do I set up an xml layout where an OpenGL view is part of it? As I do now is set the OpenGL view as the only view with setContentView(). But I would like to create an xml layout that includes the OpenGL view. Lets say I want to have the OpenGL view mainly and a small TextView at the bottom.
Is this even possible? Or can an OpenGL view only be the one and only view?
In my foo_layout.xml file I have a subclassed RelativeLayout:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<com.android.myapp.FooView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/pegboard_table"
android:orientation="vertical"
android:scaleType="fitXY"
>
<ImageView
android:id="@+id/triangular"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/pegboard_board"
android:scaleType="fitXY"
android:gravity="center"
android:visibility="invisible"
/>
<Chronometer
android:id="@+id/timer"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/timer_display"
android:textSize="40sp"
android:textColor="#000"
android:layout_alignParentTop="true"
android:gravity="center"
android:visibility="invisible"/>
<TableLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/board_table"
android:visibility="invisible"
/>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center_horizontal"
android:background="@drawable/tab_bar">
<!-- android:layout_alignLeft="@id/options_tab"-->
<ImageView
android:id="@+id/game_select"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/game_select" android:paddingLeft="15sp"/>
<ImageView
android:id="@+id/undo_select"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/game_select"
android:layout_weight="1"
android:src="@drawable/undo"
/>
<ImageView
android:id="@+id/settings_select"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/undo_select"
android:layout_weight="1"
android:src="@drawable/settings"
/>
<ImageView
android:id="@+id/info_select"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/settings_select"
android:layout_weight="1"
android:src="@drawable/info"
This doesn't seem like the right behavior. I've tried it with other views inside the FooView hierarchy and findViewById() always returns null.
For the life of me I can't figure out what I'm doing wrong.
I try to create my custom view inside a linearlayout. For example
<View android:id="@+id/ViewPaint" class="com.example.android.helloactivity.HelloActivity$DrawingView"/>
In the java source I created a DrawingView class which extends View. Unfortunatly it does not get instantiated. I tried to overwrite the ondraw() but without success. Code...
In my program I have a custom view object. Inside the view class is a method called foo. For some reason when I call foo from my activity, it doesn't fire. Here is the code:
XML of the custom view:
<com.company.application.MyView android:id="@+id/my_view" android:layout_width="wrap_content" android:layout_height="wrap_content" />
The activity code:
public class Main extends Activity { MyView mView;
/** Called when the activity is first created. */
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); setContentView(R.layout.main);
LayoutInflater li = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View v = li.inflate(R.layout.main, null); mView= (MyView) v.findViewById(R.id.my_view);
//A button to fire the method inside foo() Button switchLeft = (Button) findViewById(R.id.switch_left); switchLeft.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { callTest(); } } );
} public void callTest() { Log.w(this.getClass().getName(), "clicked left arrow");
mView.foo(); mView.postInvalidate();
} }
Finally here is foo:
public void foo() { mBackground = mContext.getResources().getDrawable(R.drawable.temp_canvas); Log.w(this.getClass().getName(), "background set");
}
The first log is always written when the button is pressed, but the second log is not because foo never fires. What is the deal here? Upon request, the full view
public class MyView extends View { Drawable mBackground; Context mContext;
public MyView (Context context) { super(context); mContext = context;
mBackground = mContext.getResources().getDrawable(R.drawable.leftarrow1);
} public MyView (Context context, AttributeSet attrs) {
super(context, attrs); mContext = context;
mBackground = mContext.getResources().getDrawable(R.drawable.leftarrow1);
} public void foo() { mBackground = mContext.getResources().getDrawable(R.drawable.temp_canvas);
Log.w(this.getClass().getName(), "background set"); }
@Override public void onDraw(Canvas canvas) { Paint paint = new Paint();
paint.setStyle(Paint.Style.FILL); // draw a solid blue circle
paint.setColor(Color.BLUE); canvas.drawCircle(20, 20, 15, paint);
// draw a test background mBackground.setBounds(0, 0, 300, 400);
mBackground.draw(canvas); }
}
Suppose I have a view inside TableLayout, like this:
TableLayout tableLayout;
View view = (View)tableLayout.findViewById(R.id.control);
How can I find out the view's row/column within the TableLayout?
I have been trying to find a solution for this for the last 3 days but i just failed hit a final answer!
I am creating a View-based class where i show a ball bouncing of the sides. I use a Timer to control the animation.
I want to add a TextView programmatically in my view class. I am trying to instantiate an object of TextView with reference to the context as follows code...
Is there an application that will allow you to browse to a folder on your phone/SD care and view the photos inside? If it were on a linux PC I would be installing GThumb, on windows ACDSEE. I have tried Photo Burst. It crashes and I had to reset the phone. I have tried Picture Viewer but the latest version does not pan at all. The only way to do something like this with the stock viewer is to have all your photos in the root of the sdcard in folders or within download. Not really the neatest way of doing this.
View 2 Replies View RelatedI'm trying to build an activity that has a checkbox on top, a button at the bottom, and a bunch of other widgets scrolling in between. Conceptually that'sWhen it renders I get the checkbox at the top, the stuff scrolling nicely underneath, but the Button drawn offscreen (I assume) below the ScrollView. The only way I can get the Button to be visible is to hard-code the height of the ScrollView, which of course only works on one screen-size. I've tried all combinations of gravity and layout_weight I can think of to no avail. Am I using the right combination of Views? Anybody managed to get this working?
View 1 Replies View RelatedI want the view group to extend with the ScrollView if the content of the group is smaller than the display area of the ScrollView.
How can I have the ScrollView child extend to fill the parent if it's smaller than the parent?
CODE:.........................
I don't know exactly how to explain this problem, but I'll try. I have a ListView with several items. Each item has inside a TextView and two ImageView. I want the ImageView change when I click on them, and I want to open a context menu when I press for a long time into the ListView item.For the ImageView, everything works properly. For the whole item, I can show the context menu after a long press, but my problem is that the ImageView changes as well when I am pressing the TextView, for example.I hope you understand my problem. I think that all the children of a view are affected by an event in the parent, but I am not sure.
View 2 Replies View RelatedI've been a couple of days trying to solve this thing but I can'f figure it out.The problem is, simple activity, with simple layout, ScrollView -> LinearLayout -> and a lot of buttons inside the layout (within the scroll content). Everything works just fine but one tricky thing. When I click a button let's say at the top of the scroll content and inmediatelly I scroll down to the bottom of the content and I click other button there, nothing happens until I click a second time and all come to normal again.This can be reproduced anytime and it's code independent (i've tried more than 20 scenarios). I've not much experience in android yet but looks like the scroll listener stops the onclick listener or something like that.
View 1 Replies View RelatedSo I've been extremely frustrated by this for a long time now.I've posted before, but can't seem to find a good solution. My goal is to have something pretty much exactly like the installed application details page in the Android Market.I need a list of items displayed along with other content above the list, and would like the content above to scroll up along with the list (exactly like the application details does for the "My Review" and other descriptive info).Due to responses to my previous posts, I came to believe that it really wasn't possible to do this with a ListView.So rather than using a ListView, I refactored my code to use a simple LinearLayout and add individual View items to the list, thinking I could just set each View as clickable and add an OnClickListener to each View in the LinearLayout.That's not working at all though, and now I'm getting even more frustrated.If someone can help me get the OnClickListener working, then I think it'll work, but I do need a separator for the LinearLayout.How do I add a separator like the one used for ListView to my LinearLayout?
View 12 Replies View RelatedI want to show my next activity withing my previous activity layout "LinearLyout". But it is not working. Can any one help? I put my last activity layout reference to a global class in an static variable. My code...
View 3 Replies View RelatedI am trying to write an android app for root users that runs a series of shell commands, or a shell script if that is preferable, and displays the output... can anyone point me in the right direction?
View 1 Replies View RelatedIn an Activity, I have some snippet of code that fires off a Message...
Why is the Bundle not preserved in the Message ? Who is resetting the values of the Bundle ?
I have created a an activity named Example which have 3 LinearLayouts . I want to start an activity. So I used the following lines of code...
Test is another activity. As a result of the above code a new activity is called in new page. But I want to get the same resule or start the activity inside 2nd layout of Example class.
How to achieve this.
I have an android app and I want to set an icon. I have set the icon using androidmanifest.xml and that shows the icon inside the app list. However, I want the icon to be displayed while the application is running, also. Any help/hints?
View 1 Replies View RelatedWhen I create an 'Android Library Project' is it OK to put a whole lot of different libraries in there and create a number of different packages?
If I use just one or two components from the library, will it import all the resources and packages or is it smart enough to only import the referenced resources and packages that are needed?
The alternative is to create a single 'Android Library Project' for each component which I don't want to do if I can help it.
I have a widget layout xml which sets the src to the delivered android widget 4x1 frame image.Here is the widget layout code...
@drawable/widgetinitial holds the widgetinitial.png image example 4x1 at developer.android.com (AppWidget design guidelines).(4x1_Widget_Frame_Portrait.psd) What I am trying to do is display an image inside the delivered frame instead what happens is the frame image goes away and only the image I am trying to display shows up. How can I display the image inside the bounding box or the background?
Another question - I think I saw in a couple of forums AbsoluteLayout is a deprecated feature for Android 2.1 and above. Is that correct? and does using AbsoluteLayout throws any force close or other exceptions?
I want to put button above image view. How can i do this?
View 2 Replies View RelatedI have a listview with radio button. when i click any option and scroll that list view the previous select will cleared.How to do this. The actual problem is when scroll the view on every scorll the view is refreshed, that's why every time the view is refreshed. How to do this I can't get any solution.
View 1 Replies View RelatedI am trying to set up a ViewFlipper that changes a SlidingDrawers content each time a button is pressed. So far every view I set up worked fine, but now I am trying to create a ListView (including single_choice_mode) within a child view of the ViewFlipper, but my attempt only let to a NullPointerException. As I only discovered ViewFlipper today, I am not yet familiar with it and may not have understood it completely. if someone could give me a hand and help me find out what I have done wrong, that would be great. Here is what I have done:
The code for the onClick event of the ImageButtons:
public void onClick(View v){
if (v == btnExposure){
mFlipper.setDisplayedChild(0); }
else if (v == btnProperties){
mFlipper.setDisplayedChild(1);}
else if (v == btnSpecialEffects){
mFlipper.setDisplayedChild(2);.............
I discovered an option in street view that is called "Compass View". Not sure what use it is but I thought it was cool. You have to hold the phone in portrait as opposed to landscape for the compass to work...check it out.
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