I have a viewPager with infinite loop, but i want to set a border to highlight the current image.
In my main activity i've the adapterPageAdapter and the custom ViewPager (that is clickable).
I think that is easy, but i need help.
Something like this:
Thanks
> Place image view inside another layout set the background color of
> parent layout.
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/border"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="1dp">
<ImageView
android:id="#+id/imageViewImage"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center_horizontal"
android:foregroundGravity="center_horizontal"/>
</RelativeLayout>
> inside PagerAdapter instantiateItem method when you are setting bitmap
> to imageView, also set backgroud color to layout.
final RelativeLayout border = (RelativeLayout) view.findViewById(R.id.border);
border.setBackgroundColor(Color.RED);
I have a ImageView with the following layout
<ImageView
android:id="#+id/view_row_circular_icon_with_text_icon"
style="#style/ImageView"
android:layout_width="52dp"
android:layout_height="52dp"
android:layout_gravity="right|center_vertical"
android:padding="5dp"
android:src="#drawable/ic_broadband_router_white"/>
The android:src property is useful for previewing this component.
And I set the image I want do display with the following
ImageView mIcon = (ImageView) findViewById(R.id.view_row_circular_icon_with_text_icon_bg);
mIcon.setImageDrawable(rowEntry.getIcon());
rowEntry.getIcon() returns a Drawable.
The end result is both the image from android:src property and the image set from mIcon.setImageDrawable() in the ImageView.
How can I programmatically override the image so that only the latter is shown?
As i can see that your setting image of a another view which
R.id.view_row_circular_icon_with_text_icon_bg
Check the proper id and set the image
I am working on a Android Project in which I need to show a Button or ImageView on header of my activity(Screen). Below is my XML layout of my activity.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/app"
android:layout_width="1dp"
android:layout_height="1dp"
android:layout_margin="2px"
android:orientation="vertical"
android:padding="2px" >
<LinearLayout
android:id="#+id/tabBar"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<ImageView
android:id="#+id/BtnSlide"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="0px"
android:padding="0px"
android:src="#drawable/button" />
</LinearLayout>
</LinearLayout>
With the above layout, I can see my black button image just below the Proximity title. Is it possible to show my button image to left of Proximity instead of getting shown one line below Proximity?
Or
Is there any way, I can make the image which is left to Proximity title clickable? if I can do that, then I don't need to show Black Button image at the top.
That image is coming from AndroidManifest.xml file. I am not sure how to make that clickable.
With the above layout, I can see my black button image just below the
Proximity title. Is it possible to show my button image to left of
Proximity instead of getting shown one line below Proximity?
Since Proximity is in titlebar you need to create your own custom titlebar to be able to place button to titlebar. Here is example how to achieve it.
Also try to think an usage of ActionBar.
Try this
Button b=new Button(context);
View v = findViewById (android.R.id.title); // Getting the title bar view
v.addView(b); // setting Button
v.setClickable(true);
v.setOnClickListener(new OnClickListener() {
#Override public void onClick(View v) {
Toast.makeText(context, "You have clicked on Title", Toast.LENGTH_SHORT).show();
}
});
How ever I'll suggest you to use ActionBar
Note: I haven't tried that. Let me know if it work for you
I have an ImageView
<ImageView
android:id="#+id/auto"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10sp"
android:src="#drawable/auto" />
How can I add layout for this image in onCreate for Activity? For instance, I want add background for this image. Thanks.
Enclose it in a Layout and add a background to the Layout.
Can you overlay a view on top of everything in android?
In iPhone I would get the new view set its frame.origin to (0,0) and its width and height to the width and height of self.view. Adding it to self.view would then cause it to act as an overlay, covering the content behind (or if it had a transparent background then showing the view behind).
Is there a similar technique in android? I realise that the views are slightly different (there are three types (or more...) relativelayout, linearlayout and framelayout) but is there any way to just overlay a view on top of everything indiscriminately?
Simply use RelativeLayout or FrameLayout. The last child view will overlay everything else.
Android supports a pattern which Cocoa Touch SDK doesn't: Layout management.
Layout for iPhone means to position everything absolute (besides some strech factors). Layout in android means that children will be placed in relation to eachother.
Example (second EditText will completely cover the first one):
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="#+id/root_view">
<EditText
android:layout_width="fill_parent"
android:id="#+id/editText1"
android:layout_height="fill_parent">
</EditText>
<EditText
android:layout_width="fill_parent"
android:id="#+id/editText2"
android:layout_height="fill_parent">
<requestFocus></requestFocus>
</EditText>
</FrameLayout>
FrameLayout is some kind of view stack. Made for special cases.
RelativeLayout is pretty powerful. You can define rules like View A has to align parent layout bottom, View B has to align A bottom to top, etc
Update based on comment
Usually you set the content with setContentView(R.layout.your_layout) in onCreate (it will inflate the layout for you). You can do that manually and call setContentView(inflatedView), there's no difference.
The view itself might be a single view (like TextView) or a complex layout hierarchy (nested layouts, since all layouts are views themselves).
After calling setContentView your activity knows what its content looks like and you can use (FrameLayout) findViewById(R.id.root_view) to retrieve any view int this hierarchy (General pattern (ClassOfTheViewWithThisId) findViewById(R.id.declared_id_of_view)).
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/root_view"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout
android:id = "#+id/Everything"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<!-- other actual layout stuff here EVERYTHING HERE -->
</LinearLayout>
<LinearLayout
android:id="#+id/overlay"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right" >
</LinearLayout>
Now any view you add under LinearLayout with android:id = "#+id/overlay" will appear as overlay with gravity = right on Linear Layout with android:id="#+id/Everything"
You can use bringToFront:
View view=findViewById(R.id.btnStartGame);
view.bringToFront();
The best way is ViewOverlay , You can add any drawable as overlay to any view as its overlay since Android JellyBeanMR2(Api 18).
Add mMyDrawable to mMyView as its overlay:
mMyDrawable.setBounds(0, 0, mMyView.getMeasuredWidth(), mMyView.getMeasuredHeight())
mMyView.getOverlay().add(mMyDrawable)
I have just made a solution for it. I made a library for this to do that in a reusable way that's why you don't need to recode in your XML. Here is documentation on how to use it in Java and Kotlin. First, initialize it from an activity from where you want to show the overlay-
AppWaterMarkBuilder.doConfigure()
.setAppCompatActivity(MainActivity.this)
.setWatermarkProperty(R.layout.layout_water_mark)
.showWatermarkAfterConfig();
Then you can hide and show it from anywhere in your app -
/* For hiding the watermark*/
AppWaterMarkBuilder.hideWatermark()
/* For showing the watermark*/
AppWaterMarkBuilder.showWatermark()
Gif preview -
I have tried the awnsers before but this did not work.
Now I jsut used a LinearLayout instead of a TextureView, now it is working without any problem. Hope it helps some others who have the same problem. :)
view = (LinearLayout) findViewById(R.id.view); //this is initialized in the constructor
openWindowOnButtonClick();
public void openWindowOnButtonClick()
{
view.setAlpha((float)0.5);
FloatingActionButton fb = (FloatingActionButton) findViewById(R.id.floatingActionButton);
final InputMethodManager keyboard = (InputMethodManager) getSystemService(getBaseContext().INPUT_METHOD_SERVICE);
fb.setOnClickListener(new View.OnClickListener()
{
#Override
public void onClick(View v)
{
// check if the Overlay should be visible. If this value is false, it is not shown -> show it.
if(view.getVisibility() == View.INVISIBLE)
{
view.setVisibility(View.VISIBLE);
keyboard.toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, 0);
Log.d("Overlay", "Klick");
}
else if(view.getVisibility() == View.VISIBLE)
{
view.setVisibility(View.INVISIBLE);
keyboard.toggleSoftInput(0, InputMethodManager.HIDE_IMPLICIT_ONLY);
}
bringToFront() is super easy for programmatic adjustments, as stated above. I had some trouble getting that to work with button z order because of stateListAnimator. If you end up needing to programmatically adjust view overlays, and those views happen to be buttons, make sure to set stateListAnimator to null in your xml layout file. stateListAnimator is android's under-the-hood process to adjust translationZ of buttons when they are clicked, so the button that is clicked ends up visible on top. This is not always what you want... for full Z order control, do this: