Android :: Custom Scroll Bar?

Oct 7, 2010

Is there any chance of making Scroll bar like this by using existing android's Scroll view s .

Android :: Custom Scroll bar?


Android :: How To Set Fast Scroll Custom Thumb?

May 3, 2010

How can I set custom thumb for fast scroll in listview.

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Android :: Adding Scroll Bar To A Custom ViewGroup ?

Aug 2, 2010

I've got the following node in my XML layout:

CODE:.................

TagLayout is a class that extends ViewGroup, and basically holds a bunch of buttons with text (a custom object that act as tags, but that's neither here or there).

The problem is that when there are too many buttons, the view no longer scrolls. I can confirm that I am adding tags but I can't see anything.

If I wrap the above within a ScrollView, the layout never renders. I tried adding the attributes android:isScrollContainer and android:scrollbars, but that doesn't change anything. Is there something I'm missing here?

I should also add that TagLayout is overriding the onMeasure() event. I guess I need to implement a scrolling mechanism there...?

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Android :: Scroll ListView With Custom Adapter - Too Fast

Aug 4, 2010

I have a listview with a custom arrayadapter that handles about 15 strings. The style of each row alternates (between labels and values for those labels--for example row 1 could be "email address" and row 2 would be the actual email address). I'm changing the style of each row to alternate like this in the arrayadapter's getView() method. So if the item at the current position is a label, I'll change the styling from the default row style (which is what the values have applied to them). When the listview first loads, the styling is perfect and just how I want it to be. If I scroll the list slowly up or down, it stays that way. However, if I scroll the list fast up and down, the styling of the value rows starts changing to that of the label ones until all of the rows have the styling of a label row. I've used custom adapters on other listviews in the app with no problems like this. Found out that it also changes all of the rows to the label styling on portrait->landscape orientation changes. Doesn't do this on landscape->portrait changes. Below is the adapter I'm using.

public class DetailsAdapter extends ArrayAdapter<String> { private TextView text = null; private String item = null;
public DetailsAdapter(Context context, int resource, int textViewResourceId, String[] objects) { super(context, resource, textViewResourceId, objects);
} @Override public View getView(int position, View convertView, ViewGroup parent) { text = (TextView) super.getView(position, convertView, parent); item = getItem(position);
if (item.equals("Name") || item.equals("Mobile") || item.equals("Home") || item.equals("Email") || item.equals("Address")) { text.setBackgroundColor(0xFF575757); text.setTextSize(15);
text.setTypeface(null, Typeface.BOLD); text.setPadding(8, 5, 0, 5);
} else { text.setPadding(15, 15, 0, 15); } return text;
} @Override public boolean isEnabled(int position) { item = getItem(position);
if (item.equals("Name") || item.equals("Mobile") || item.equals("Home") || item.equals("Email") || item.equals("Address")) { return false;
} else { return true; } } }

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Android :: My Custom ViewGroup Doesn't Scroll Inside ScrollView

Oct 19, 2010

I've extended ViewGroup to achieve something like a FlowLayout.I put my custom ViewGroup into a ScrollView, dynamically add a bunch of content and it doesn't scroll.The content that flows off the screen is not viewable.What am I missing, how can I allow my ViewGroup to be compatible with ScrollView?

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Android :: Scroll Down - Text Area Get Focus Scroll Little Bit And Also Display Bottom Buttons

Apr 19, 2010

I have text area and and down to that "ok" and "cancel" button. when i click on text area keyboard appear and focus on the text area and buttons get hide behind the keyboard.

I want when text area get focus scroll a little bit and also display the bottom buttons while text area id selected.

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Android :: Why Does TextView.setText Cause Enclosing Scroll View To Scroll?

Jun 24, 2010

I've got this odd problem which is happening on 1.6, 2.2, and a MyTouch 3G Slide (which is API #7, and listed as "2.1-Update1" in the Android Device Chooser). If anyone can explain what I'm doing wrong & how to fix it (or possibly confirm that this is an Android bug)The basic idea for my app is to make a stopwatch-sort of thing, in that the user can tap a button to start a timer, then tap it again to stop (pause) the timer; further taps alternate between resuming the timer and pausing the timer.I've got a top-level ScrollView which contains a RelativelLayout, which contains a bunch of widgets. The first widget is a HUGE button (so that it's easy to press), which pushes all my other widgets below the bottom of the screen. This is intentional, as I want to rely on the ScrollView (and an on-screen reminder to the user) to make the rest of the input options available.I've got a simple state-machine type setup, where mState is the current mode (STATE_ TIMER_ NOT_ STARTED before the user presses any buttons, RUNNING after the first press, and then PAUSED after the second, back to RUNNING after the third, etc, etc).

All this works great EXCEPT that when the timer is running, and the user presses the start/stop/resume button again, the ScrollView will scroll down a ways. I am NOT issuing this command (I don't even have a reference to ScrollView object), and I'm not sure why it's doing this.

REPRO:Compile + run the below samples. When the app starts, press the 'Start Timing' button. Use your thumb (or the mouse) to touch-drag the screen upwards (so you can see the RatingBar), then drag it back downwards (so the button is again completely on-screen). Tap the button (which now reads 'PauseTiming') again, and it'll jump down a bit. It should NOT be jumping/scrolling down, since there's no statement (that I can see) that tells it to scroll down. As near as I can tell, it's the setText that causes the scrolling ( when I comment those lines out, no scrolling occurs).WHAT I'M ASKING FOR:if I'm doing something dumb & you could point out what it is, I'd really appreciate it! I wonder if 'touch mode' might have something to do with this, since it does NOT appear to happen (in the emulator) when I use the mouse's scroll wheel to move the panel upwards (i.e.,instead of the simulated finger-dragging). I can't find a whole lot on touch-mode, and nothing specific on focus/selection in touch mode within a ScrollView if you can confirm that this error occurs for you too, that would be ok, too (since misery loves company.AHEM I mean, since it might help confirm that it's not just me MyTestApp.java package bug.android.scrollview;
import android.app.Activity;
import android.os.Bundle;
import android.text.format.Time;
import android.view.Display;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;
public class MyTestApp extends Activity {
public final static int STATE_TIMER_NOT_STARTED = 1;
public final static int STATE_TIMER_RUNNING = 2;
public final static int STATE_TIMER_PAUSED = 3;
private int mState;
Time t = new Time();
private Time data = new Time();
private Button btnStartStopResume;
private TextView lblSpacer;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.new_time_entry);
btnStartStopResume = (Button) findViewById(R.id.btnStartStopResume);
// Set the button's size so that the other info will also be visible
Display display = ((WindowManager) getSystemService(WINDOW_SERVICE))
.getDefaultDisplay();
// This is such a hack, but the windowScroller doesn't appear to
// have a height at this point in the lifecycle (nor in 'onResume' :( )
btnStartStopResume.setHeight(display.getHeight() - 200);
lblSpacer = (TextView) findViewById(R.id.lblSpacer);
reset();
} public void doStartStopResume(View v) {
if (mState == MyTestApp.STATE_TIMER_NOT_STARTED) {
mState = MyTestApp.STATE_TIMER_RUNNING;
data.setToNow();
} else if (mState == MyTestApp.STATE_TIMER_RUNNING) {
mState = MyTestApp.STATE_TIMER_PAUSED;
String s = getString(R.string.add_scroll_down_to_add);
lblSpacer.setText(s);
} else if (mState == MyTestApp.STATE_TIMER_PAUSED) {
mState = MyTestApp.STATE_TIMER_RUNNING;
public void doReset(View v) {
}public void doNewRunClick(View v) {
public void doAddTiming(View v) {
public void reset() {
mState = STATE_TIMER_NOT_STARTED;
new_time_entry.xml
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/windowScroller"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
> <RelativeLayout
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
> <Button
android:id="@+id/btnStartStopResume"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="5dip"
android:text="Start Timing"
android:textSize="40dp"
android:height="290dp"
android:onClick="doStartStopResume" />
<TextView
android:id="@+id/lblSpacer"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/btnStartStopResume"
android:layout_centerHorizontal="true"
android:text="@string/add_scroll_down_for_more" />
<TextView
android:id="@+id/lblTimeStartLabel"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/lblSpacer"
android:layout_alignParentLeft="true"
android:clickable="true"
android:onClick="adjustStartTime"
android:text="Start of this run:"
android:textSize="8dp" />
<TextView
android:id="@+id/lblTimeStart"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/lblTimeStartLabel"
android:layout_alignParentLeft="true"
android:clickable="true"
android:onClick="adjustStartTime"
android:text="--:--:-- --"
android:textColor="#FFFFFF"
android:textSize="26dp" />
<TextView
android:id="@+id/lblElapsedLabel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/lblSpacer"
android:layout_alignRight="@id/lblSpacer"
android:layout_marginRight="5dp"
android:text="Elapsed Time:"
android:textSize="8dp" />
<TextView
android:id="@+id/lblTimeElapsed"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/lblElapsedLabel"
android:layout_alignRight="@id/lblSpacer"
android:layout_marginRight="5dp"
android:textColor="#99ff66"
android:text="-- m -- sec"
android:textSize="26dp"
android:layout_marginBottom="10dip"/>
<CheckBox
android:id="@+id/chkNewRun"
android:onClick="doNewRunClick"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/lblTimeElapsed"
android:text="This is a new run of timings"
android:layout_marginBottom="10dip" />

<TextView
android:id="@+id/lblIntensity"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Intensity (1 = none 5 = max)"
android:layout_below="@id/chkNewRun" />
<RatingBar
android:id="@+id/rbIntensity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/lblIntensity"
android:numStars="5"
android:rating="2"
android:layout_marginBottom="5dip" />

<TextView
android:id="@+id/lblNotes"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Notes:"
android:layout_below="@id/rbIntensity" />
<EditText
android:id="@+id/txtNotes"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@android:drawable/editbox_background"
android:layout_below="@id/lblNotes"
android:layout_marginBottom="10dip" />
<Button
android:id="@+id/btnReset"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/txtNotes"
android:layout_alignParentLeft="true"
android:layout_marginLeft="10dip"
android:layout_marginRight="10dip"
android:text="Reset"
android:onClick="doReset" />
<Button
android:id="@+id/btnOk"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/txtNotes"
android:layout_toRightOf="@id/btnReset"
android:layout_alignParentRight="true"
android:layout_marginLeft="10dip"
android:layout_marginRight="10dip"
android:text="Add Timing To List"
android:onClick="doAddTiming" />
</RelativeLayout>
</ScrollView>
strings.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Timer</string>
<string name="dlg_edit_timing_title">Edit A Timing</string>
<string name="add_scroll_down_for_more">< Scroll down for more options! ></string>
<string name="add_scroll_down_to_add">< Scroll down to save this timing! ></string>
<string name="start_timing">Start Timing
</string>
<string name="stop_timing">Pause Timing
</string>
<string name="resume_timing">Resume Timing
</string>
</resources>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="bug.android.scrollview"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".MyTestApp"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="5" />
</manifest>
UPDATE 1: Adding if( btnStartStopResume.isInTouchMode() )
Toast.makeText(this, "TOUCH MODE", 2000);
elseToast.makeText(this, "NOT touch mode", 2000);
then setting breakpoints in the debugger confirms that the button is always in touch mode (regardless of whether I finger-drag the panel up/down, or mouse-wheel it up/down). So it's a combination of being in touch-mode AND finger-dragging the panel after the 2nd button-press (i.e, when the app is in 'stopped/paused timing' mode) that's causing the odd extra-timing in subsequent pauses.
UPDATE 2:
I just noticed that it's scrolling down to the EditText, and no further. It looks like when you move the panel down the EditText gets the selection, and after the click event the ScrollView scrolls back to the thing that has the selection. Seems to explain why the mouse-wheel approach doesn't have this problem (it moves the selection/focus back up to the button).

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Android :: Scroll To Last Line Of Table Layout Within Scroll View

Jun 21, 2010

I want to have a dynamic table, with rows added over time as a result of user interaction, using a TableLayout inside a ScrollView. This works fine, but when I want to scroll to the end of the table using fullScroll(), it always leaves out the last line; that is, it scrolls so that the one before the last one is visible. The last line is visible when scrolling manually, and the scrollbar is correct too.I'm of course open to suggestions as to how to make a better layout out of this; but I'm specifically interested in understanding why fullScroll() behaves that way. Should I give it a different parameter, or use something else altogether? Or does it do that because the newly added line isn't yet visible somehow? (if so, how can I solve that?) Or did I miss some other obvious thing?The following code replicates the problem: TestActivity.java:
package com.example.android.tests;
import java.util.Random;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ScrollView;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
public class TestActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
((Button) findViewById(R.id.AddRow)).setOnClickListener(new View.OnClickListener() { public void onClick(View v) {
Random rnd = new Random();
TableRow nr = new TableRow(v.getContext());
for (int c=0; c<3; c++) {
TextView nv = new TextView(v.getContext());
nv.setText(Integer.toString(rnd.nextInt(20)-10));
nr.addView(nv);
}((TableLayout) findViewById(R.id.Table)).addView(nr);
// Scrolls to line before last - why?
((ScrollView) findViewById(R.id.TableScroller)).fullScroll(View.FOCUS_DOWN);
}main.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<Button
android:text="Add Row"
android:id="@+id/AddRow"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true" />
<ScrollView
android:id="@+id/TableScroller"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="@id/AddRow"
android:layout_alignParentTop="true" >
<TableLayout
android:id="@+id/Table"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:stretchColumns="0,1,2" />
</ScrollView>
</RelativeLayout>
Edit: for reference, I implemented Romain Guy's solution as follows:In TestActivity.java, replace:
// Scrolls to line before last - why?
((ScrollView) findViewById(R.id.TableScroller)).fullScroll(View.FOCUS_DOWN);
// Enqueue the scrolling to happen after the new row has been layout
((ScrollView) findViewById(R.id.TableScroller)).post(new Runnable() {
public void run() {
((ScrollView) findViewById(R.id.TableScroller)).fullScroll(View.FOCUS_DOWN);

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Android :: Scroll View With Horizontal Scroll Support?

Mar 12, 2009

It looks like the standard ScrollView does not support horizontal scroll. Has anyone implement a ScrollView with horizontal scroll support? It would be appreciated if you can share it.

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Android :: Synchronise Scroll View Scroll Positions

Oct 16, 2010

I have 2 ScrollViews in my android layout. How can I synchronise their scroll positions?

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Android :: Scroll View Scroll Time Out ?

Nov 20, 2009

is there no way to change the timeout to scroll in ScrollView? In the source, it's set to: static final int ANIMATED_SCROLL_GAP = 250; so any drags will be blocked for 250ms. This has the appearance of the ScrollView being stuck for a bit before it moves. This makes small scroll gestures difficult to work with. There's no way around this?

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Android :: Reset Scroll In Scroll View

Sep 17, 2010

I have a ScrollView (and a LinearLayout within it) set as main content. When the user scrolls the view further down, and then if I replace it's child (LinearLayout) with another LinearLayout, the view remains in the scrolled positioned.How do I reset the ScrollView back to coordinate 0?

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HTC Droid Eris :: Scroll-ball Doesn't Scroll Left Anymore

Feb 11, 2010

So everything is perfect about my Eris except that the scroll-ball doesn't scroll left anymore. This isn't the first time the problem came up. My last Eris had the same problem. It scrolls in every direction except which is kinda annoying as I use it alot more than I thought I would. Should I take it up with Verizon? It isn't a life or death situation but it makes editing sentences in texts a pain.

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Android :: Scroll View Containing Text View Does Not Scroll

Apr 14, 2010

I have a textview displaying many individual words, each word is a link using Spans and setMovement Method( LinkMovementMethod.getInstance()); The textview is wrapped by a ScrollView. However the ScrollView does not work as the links in the TextView are activated instead.Is there a way to combine a ScrollView and TextView so that both the scrolling and links in the text work?

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Android :: ListView Using Custom ArrayList Adapter - Implementing Custom Filter

Jun 18, 2010

I have seen examples implementing a custom Filter. The Android developer docs talk about implementing a Filterable interface. Does anyone have any advice and/or sample code on the best way to implement filtering in a ListView ?

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Android :: Pass Custom Attributes To A Custom DialogPreference

May 3, 2009

I am writing a custom preference dialog derived from DialogPreference and I want to pass some custom attributes to the dialog through the preference's XML definition. Here's my preference.xml file:

CODE:...............

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Android :: Custom Map Markers And Custom Backgrounds

Mar 1, 2010

I am trying to get the images to have transparent backgrounds so the map is not blocked by a square marker with an image in it. What image editor and what settings should I use to get this to work?

I am trying to do some custom backgrounds for buttons and the same problem comes up: I get square corners and a background that does not scale with the buttons.

I think this all part of the same problem: I am not using the right tool with the right settings to create the images. I must be misinterpreting the documentation and examples that talk about a white border around the image and a black line along the top and left side for the expandable button background.

Here's a quick way to reproduce the problem:

Follow the directions to create the MapView program as described on:
http://developer.android.com/resources/tutorials/views/hello-mapview.html

For the icon I first used the image copied from the page:

Next I edited the picture in Microsoft Paint, and cut off the little guy's antennae. I'm not cruel and no real androids were harmed in that experiment. I surrounded the new picture with a pixel thick border of white, copied from the border that was around the rest of the image, and then copied the black that was there as well in the void areas of the image, outside the border.

I saved the image as myandroid.png and copied the file to the layout folder. Pointed the activity to the new pic and ran the program.

The image was displayed with a full square background and shadow, not the android shaped image and shadow that was there when the original image was used.

Custom Button background:
Follow the directions for the Relative Layout example at:
[url]

Next, I created an image to expand as a background for the button called backbutton.png. It too is surrounded by a white border and black filled on the corners, the top and one side per documentation I found in "Android Programming Tutorials" on page 298.

The background does not expand, nor do the corners round.

I wish I could show you screenies of what I have.

How do you create the images for the custom backgrounds and the images for the custom map markers and buttons? I need to know what image editor to use and the file attributes to set, so the images expand and display with the proper void spaces in them.

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Android :: Cant Scroll Down?

Jun 18, 2010

I create a program to add check boxes dynamically.But i cant scroll down.

I add the code here.

CODE:........

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Android :: Cant Get Scroll Bar?

Aug 23, 2010

I cant seem to get scroll bar with ths following layout.

CODE:...........

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Android :: Add Scroll Bar To Linearlayout

Jan 29, 2009

I have build a UI using linearlayout. It displays fine if phone is in vertical position. But when I switch my phone to horizontal position. Some content is not displayed. Is there anyway to add a scroll bar to linear layout?

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Android :: Hiding Scroll Bar

Jul 11, 2009

The requirements is the scroll bar of a list is usually invisible. Only when user scroll it, the scroll bar shows.Could anyone tell me how to achieve this? Any help will be highly appreciated!

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Android :: Detect End Of Scroll

Jun 6, 2010

I need to implement HorizontalScrollView which is scrolled to predefined positions (similar to Home behaviour). It works with slow gestures, but does not work with neither flings nor arrow key press.

I hooked to View.onScrollChanged() and it is called when scrolling happened, but I can't determine when scrolling animation ends.

In theory there should be a way to say that fling movement is over. Is there such API?

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Android :: How To Set Style Of Scroll Bar?

May 27, 2009

Is there any way to set the style of the scroll bar so that it is visible only when scrolling and the rest of the time it is invisible?

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Android :: TabActivity With Scroll?

Dec 7, 2009

I'm working on Android v1.5. I want to use a TabActivity with 6 or 7 or more tabs. However, I do not want to clutter my screen with so many tabs together. Hence, I'd like to be able to show, say, 3 tabs on the screen, and to be able to scroll to the other tabs. How may I achieve this? I could not find any example for this by Googling.

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Android :: Webview Don't Scroll Up?

Aug 6, 2009

I have application which show information on WebView. I use javascript and link too etc. "<a href="#" onclick="prompt('" something "'); ">" My problem: when I click on link page scroll up. I don't wont it. I can that page stay on the same place.

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Android :: Set Tab View To Scroll?

Mar 22, 2010

I have managed to set up a tabbed view for my app, and have the following xml for the UI

CODE:.........

yet am seemingly unable to scroll down to see the rest of the form (cuts off at one of the spinners, why is this?

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Android :: Detect When A Scroll Has Ended

Jan 18, 2010

I am using the onScroll method of GestureDetector.SimpleOnGestureListener to scroll a large bitmap on a canvas. When the scroll has ended I want to redraw the bitmap in case the user wants to scroll further ... off the edge of the bitmap, but I can't see how to detect when the scroll has ended (the user has lifted his finger from the screen). e2.getAction() always seems to return the value 2 so that is no help.
e2.getPressure seems to return fairly constant values (around 0.25) until the final onScroll call when the pressure seems to fall to about 0.13. I suppose I could detect this reduction in pressure, but this will be far from foolproof.

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Android :: Add Scroll View For Particular Row In Runtime?

Aug 9, 2010

In my tableview i need to add the scroll view for the particular rows . Is there any way to create like this in android?

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Android :: Scroll Through Calendar Days

Oct 26, 2010

I am trying to find a calendar app that will allow me to scroll through calendar days. The android app looks great but makes me crazy. If I am trying to schedule something more than a week out and want to be able to see all events day by day I have to click on a day then click out and then click on the next day. Is there a way I can just scroll?

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Android :: How To Scroll Programatically ScrollView ?

Jan 8, 2010

I have a little problem with a ScrollView.I have a layout for an activity which is made with a ScrollView. This scrollview contains two ListViews.<?xml version="1.0" encoding="utf-8"?>
<ListView android:id="@+id/accountsListView"
android:layout_width="fill_parent"
android:layout_height="wrap_content" android:scrollbars="none" />
<ListView android:id="@+id/cardsListView"
android:layout_width="fill_parent"
android:layout_height="wrap_content" android:scrollbars="none" />
</LinearLayout>In onCreate method of my activity I compute ListViews height according there contents.During execution, on activity launch, ScrollView is already scrolled a bit.So I tried, at the end of onCreate to call method scrollTo(0, 0), but it does not change anything.

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