Android :: Using 9 Patch Background On Button - Cannot Add Padding Around Text
Aug 21, 2010
As the title says, I cannot get padding around the text.Here's my xml:
<style name="StandardButton" parent="@android:style/Widget.Button">
<item name="android:background">@drawable/nine_patch_3</item>
<item name="android:textColor">@color/white</item>
<item name="android:textStyle">bold</item>
<item name="android:paddingLeft">10dp</item>
<item name="android:paddingRight">10dp</item>
</style>
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Apr 26, 2010
I have a linear layout which has a background image (a 9 patched png file). How can I add padding to left and right so that the background image does not take up the whole width? I have tried 'android:paddingLeft' and 'android:paddingRight', but that does not change anything.
CODE:.....
The whole background still stretches the whole screen width.
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Feb 16, 2010
I need button that has a replicated background pattern and normal button text on top - how to specify this in layout XML?
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Oct 19, 2010
In my android application i am using a image as background initially. Then on top of that i need to place small images and on top of the small images i would like to place a textview with some text on it.
I am using below code for that.With this am able to place the small images but the textview if i am trying to place it place in the next row and not over the image.
I also tried with adding the image as the background and then placing textview but at that case the padding and size of the image is not getting decreased.
Is there any way that i can have the images of size 60 by 60 and place a textview on top of these images.
Please share your valuable suggestions.
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Oct 11, 2010
I encountered this problem when updating my background to use a 9-patch image. The layout is fine on different screens using different sizes of the same image, but when I change the image to be a 9-patch it breaks the entire layout mysteriously.
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Feb 15, 2010
i have list views with image views and text views etc in them, and i'm trying to fix up a situation where the background image of a list element changes in the "pressed" state. if there's a straightforward way of doing that, please let me know! right now, i override onTouchEvent() in the topmost view, and also in those child views who don't just delegate to their parents which would be image views. i have to check for long clicks myself, but basically this scheme works. the list views are potentially different sizes depending on how much text is in the views etc, so i thought i would use a 9-patch as the background. however, when the background changes from flat white to the 9-patch, this seems to indent the view a bit - ie give it margins. eh? if i change the image to a non-9-patch, the margins remain as they are. i've tried different sizes of 9-patch, from 320x150 or so down to 100x30 etc, no change. what's going on?
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Jun 1, 2009
I have a ListView containing a few different type of items, all having their own background image and font color. In my first implementation I implemented each type of item as its own layout with the background image etc defined in XML (and implemented Adapter.getView() so that it only reuses convertView if it's of the correct type). This works fine but the performance is not that great while scrolling since I'm inflating quite a few Views due to convertView mismatches, so instead I tried using the same layout for all items (to benefit fully from convertView reuse) and changing the background image and font size in runtime. I even keep the three background Drawables I need as members to save time decoding them from a resource for each item, and call View.setBackgroundDrawable() from Adapter.getView(). The problem is, sometimes the 9-patch is not correctly wrapped around the content of the list item when using this approach. While scrolling it usually looks correct but when the scrolling stops, or sometimes when I just tap anywhere on the list, the background 9-patch of some large items starts flickering and is either cropped or resized to its original PNG size rather than stretched to wrap the content.
First of all, I suspect this is a bug? Any ideas why this happens? Could it be that the View is not always measured to reflect the changed content when the 9-patch is applied? I have tried adding an extra call to View.invalidate() but it doesn't solve the problem. Second, does this approach sound reasonable at all, or how should I go about to optimize this scenario?
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May 21, 2010
I have the following linear layout. What I don't understand is if I set the background to another image, the padding information are reset. Is there a way to prevent this?
<LinearLayout android:id="@+id/aPanel"
android:orientation="horizontal" android:layout_width="fill_parent"
android:layout_height="wrap_content" android:background="@drawable/bkground"
android:paddingLeft="15dp" android:paddingRight="15dp">
<!-- some children here -->
</LinearLayout>
I see the position of the children get shifted when I change the backround drawable of the linearlayout 'aPanel'.
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May 22, 2012
When im creating the graphical user interface and apply padding (10dp) to the left and right sides of the email text box the padding dosent actually apply. Here are the current settings.
Code:
<EditText
android:id="@+id/editText1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:inputType="textEmailAddress"
android:paddingLeft="10dp" >
<requestFocus />
</EditText>
Basically i was the text box to fill the screen (width wise not the height) but have a 10dp gap on the left and right hand sides to make it look cleaner.
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Nov 23, 2009
In my application I would like to mark different spots on a map. What I'm now wondering is if there's a way to use a simple 9-patch image and add the spot's name as text to it or would I need to draw everything myself (including the text) in the draw() method of ItemizedOverlay?
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Oct 5, 2012
I tried to re-implement what HTC did with the One X, One S, etc, where they have physical back, home, recent apps keys, and a virtual menu button pops up under apps that need a menu button. I don't have an Android device, so I was only able to test it under the emulator, I have only tested it with the Facebook app, but it seems to work fine.
The patch is against AOSP 4.1.1, to activate it in the emulator, set hw.mainKeys=yes and hw.menuButton=no in hardware.ini. For a real device, you'd need to set config_showNavigationBar to false and config_showLegacyMenuButton to true.
Because this is just a proof of concept, it pops up the entire ICS navigation bar with all four buttons instead of just the menu button. But that's not hard to fix.
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Apr 28, 2010
I have a TextView that I created in the main.xml. In my app.java I am dynamically positioning that TextView based on where the user taps the screen. The problem I am having is that when I call myTextView.setPadding(100,100,0,0), it moves the actual Text of the TextView, but does not move the Colored Background of the TextView.
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Feb 27, 2010
How can I set button background color at run time?
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Oct 4, 2009
I have a question about setting the background color for buttons the entire button turns into a red rectangle. Is there actually a workaround to achieve this?Also what can I do to revert back to the default color of the button (the typical plain greysh background).
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Sep 17, 2010
i want to change the background-color of a button using a selector-xml-file. My approach is basically the one from the example at the bottom this page: http://developer.android.com/guide/topics/resources/color-list-resource.html.But if I try it with android:textColor as described in the above link it works fine. So it has to be the background issue. I don't want to create a 9patch-png if it's not necessary (basically i just need a "clickable" rectangle so i use a button with a colored background)
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Nov 7, 2010
I have a button defined in my XML file. The button works exactly like you would expect...that is until I add the line at the bottom (android:background="drawable/leftarrow1"). Then the button is no longer click able in the activity, but the new background shows up like I want. What gives?
<Button
android:id="@+id/switch_left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_center Vertical="true"
android:background="@drawable/leftarrow1" />
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Sep 21, 2010
How can I change the background of an ordinary Button into some other image(not just a color change)? ->And about Nine patch bitmap, how to use them, how to create such bitmaps and how can i convert my image into a StateListDrawable, so that I can apply it as my Button background?
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Jul 15, 2010
I created a button and set the background image on it.How can I set the text below the graphic to sit on the bottom but not on top of the graphic?
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Jun 10, 2010
For bitmap image..this code is not working
CODE:...............
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Jul 14, 2010
How can I set the Background for a button to a transparent Color, like transparent Blue for eg, instead of a solid blue? When I use button.setBackgroundColor(Color.BLUE) it sets it to a solid blue.
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Mar 13, 2009
I want to resize the image dynamically before i set the background of the Image button... If there is any method?
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May 7, 2010
Whenever a button is clicked the default behavior is that the button's background changes to yellow in color.
Is it possible to override this?
eg. in a game if the user clicks a "ok" button and if his answer/ choice is correct, then the ok button should change to "green" color just for fraction of a second (by default it is the yellow color on button click in android). And if the answer is wrong then it should be "red" in color.
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Jan 26, 2010
I have an app with a widget but I am having some difficulty with the layout of the widget. The basic idea if the widget should look like an icon and have a little text tag under it like any other icon on the desktop.
I found one example which uses an android:background for the TextView and uses a drawable XML:
CODE:...........
However this does not work brilliantly, the text just isn't the same as the other icons on the desktop and when you rotate the phone part of the text is chopped off!
The next problem is selecting the widget, I use an ImageButton as the icon - with the android:background set to a transparent image. I have been using another drawable xml file which allows me to change the image when the widget is selected. However I would prefer the default action of an icon, where the square around the icon turns orange.
How would I achive these two effect - I know it is possible somehow as the app "sms unread count" achives exactly what I want to happen!
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Nov 9, 2010
I need to develop an application with downloads the data at the background and update about the progress in the front.
I guess this can be achieved using services and activity and passing data in between the. But, what I need to do is even if I hit back button and then start the activity again. It should check if the service is running or not. If service is not running it should start one else it should display the data from running service.
Something like music player where music is played by a service at a background and activity displays the information. Even on browsing through other activities of the application or hitting back, state of the music player is maintained.
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Dec 9, 2012
I am trying to set the Text of a Text View when a button is clicked.
I have been struggling, because the variable will increment, but If i put the code in to set the text, it crashes the app ?
Here is my code when it crashes:
Quote:
package com.example.test;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
[Code].....
however if I comment out the line
Quote:
score.setText(points);
, the app doesnt crash, but it doesnt do anything then.
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Apr 18, 2013
I have to develop one android application.
Here is the scenario:There are many images in a linearlayout. When selected, the layout should be displayed with another(gradient_bg_hover.xml) background. This works well now.
Now, I would like that when I open a new activity and come back to this one, the last selected layout should still be the highlighted one (with the (gradient_bg_hover.xml) background).
Now i have used below code for highlighting the image when pressed:
[HIGH]
LinearLayout ar = new LinearLayout(this);
ar.setOrientation(LinearLayout.VERTICAL);
ar.setPadding(3, 3, 3, 3);
ar.setLayoutParams(artiLayoutParams);
ar.setGravity(Gravity.CENTER);
ar.setBackgroundColor(Color.parseColor("#666666")) ;
[Code]...
In OnClick function i have wrote the below code:
[HIGH]
private OnClickListener mArticleClick = new OnClickListener()
{
@Override
public void onClick ( View v )
{
int object = v.getId();
v.setSelected(true);
[Code]...
Here i have to clicked one item means it is go to next activity.afterthat i have clicked back button means the selected item is stay on highlighted with another background.afterthat i have selected another item means its go to next activity.now i have to click back button means these item only highlight with background....but the pervious item also highlighted....
I wish to need the o/p like :
The last selected item only highlighted after click the back button...
So i have used sharedpreferences :
I have declared int prevPosition = -1; globally...
[HIGH]
ar = new LinearLayout(this);
ar.setOrientation(LinearLayout.VERTICAL);
ar.setPadding(3, 3, 3, 3);
ar.setLayoutParams(artiLayoutParams);
ar.setGravity(Gravity.CENTER);
[Code]...
In Onclick method:
[HIGH]
private OnClickListener mArticleClick = new OnClickListener()
{
@Override
public void onClick ( View v )
{
int object = v.getId();
[Code]...
But my background color is not staying after press the back button...
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Feb 17, 2010
I have a situation where I am using a TextView with an image and would like to set a background on just the text part. When I use android:background it sets the background behind both the text and the image. Is there a way to have it just put the background behind the text without me having to tear apart my layout and use a separate ImageView with the TextView?
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Sep 21, 2010
Can anybody tell how to display background image in a TextView in android?
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Aug 1, 2010
I have a simple LinearLayout. When I add the android:background to the LinearLayout, the TextView is no longer visible. What am I not understanding?
<LinearLayout
android:id="@+id/LinearLayout01"
android:layout_width="fill_parent"
android:layout_height="53px"
android:background="@drawable/glossy_black_top_bar" >
<TextView android:text="This is the Title"
android:id="@+id/TextView01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:textColor="#FFFFFF">
</TextView>
</LinearLayout>
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Feb 9, 2009
I have a subclass of android.app.Dialog and because I am using a light theme, the dialog title comes out as Black on a dark background which is hardly readable. This leads me to the question: how do I change the Dialog title background or foreground colors? Can I do this via a theme? Which property will it map to?
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