Develop Reference

How do I change the position of my new Activity (Display Metrics)

EDIT: The application's interface
I've created a Pop-up window and class that when I click this onInfoWindowClick in the google maps, a pop-up window will appear OR the next activity will appear. I used Display Metrics for this but it only shows up in the center screen.
What I want to happen is: when the activity shows up, I would like it to show up in the upper-top or at least have the power to change the position of the activity in any part of the window.
My problem: The display metrics shows the activity only in the center.
My codes in my Pop-Up window:
public class PopUp extends AppCompatActivity {
#Override
protected void onCreate(#Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.pop_layout);
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
int width = dm.widthPixels;
int height = dm.heightPixels;
getWindow().setLayout((int)(width*.8),(int)(height*.5));
}
}
Note: Is there an another method to do this? Can you give me link on how to do it. (Only if there is an another method to do it)

Just add this line at the end:
getWindow().setGravity(Gravity.TOP);
P.S. you can use other values (not only Gravity.TOP) according to your needs. Also you can combine multiple options, for instance, getWindow().setGravity(Gravity.TOP|Gravity.START);

Fragment Dialog landscape, fill screen

I have a problem with a fragment dialog, if the phone is on portrait mode, everything is ok, the dialog is almost full screen, but when I rotate my phone, in landscape there are some big gaps on the sides..is possible to fix this problem?
I call this
getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
To get rid of the DIalogFragment title.
I'm using a Linear Layout.

The solution:
#Override
public void onStart()
{
super.onStart();
Dialog dialog = getDialog();
if (dialog != null)
{
int width = ViewGroup.LayoutParams.MATCH_PARENT;
int height = ViewGroup.LayoutParams.MATCH_PARENT;
dialog.getWindow().setLayout(width, height);
}
}
Add this to your dialog fragment.

Full width Dialog, placed just above the soft keyboard

I want to achieve the following design: A dialog with custom layout, created programatically. It will contain an EditText and a Button. I want the soft keyboard to pop up when the dialog appears, and I want the dialog to fill the screen horizontally and to be placed right above the keyboard.
Here is what I've done right now:
final AlertDialog obsDialog = new AlertDialog.Builder(ProdutoDetalheActivity.this).create();
final View obsLayout = View.inflate(getApplicationContext(), R.layout.observation_layout, null);
Button obsButton = (Button) obsLayout.findViewById(R.id.observation_button);
obsEdit = (EditText) obsLayout.findViewById(R.id.observation_edit);
obsButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
text.setText(String.valueOf(obsEdit.getText()));
obsDialog.dismiss();
}
});
obsDialog.setView(obsLayout);
obsDialog.getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.WRAP_CONTENT);
obsDialog.show();
obsEdit.requestFocus();
But this doesn't makes the dialog full width, nor calls the soft keyboard. And I still wonder how can I align the dialog with the keyboard.
I've tried these answers with no success.
Thanks in advance for any help!
[EDIT] I've brought the keyboard up by using the following code:
obsDialog.getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.WRAP_CONTENT);
obsDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
[EDIT] Below is a printscreen of the design I want to achieve:

As far as I know, you have to adjust the dialog size/position in the code if you do not want the default size/position.
In you case specifically, you can fist declare adjustResize for the activity's windowSoftInputMode in the AndroidManifest.xml.
After that, you can set your dialog gravity at bottom and set the width in the onStart of the dialog fragment:
...
getDialog().getWindow().setLayout(mWidth, mHeight);
WindowManager.LayoutParams lp = getDialog().getWindow().getAttributes();
lp.gravity = Gravity.BOTTOM;
lp.x = 0; lp.y = 0;
getDialog().getWindow().setAttributes(lp);
...
the mWidth and mHeight are initialized in onCreate, but I think you can do it in the onStart as well. To get the width, I used below code:
Point size = new Point();
WindowManager wm = (WindowManager) getActivity().getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
display.getSize(size);
mWidth = size.x;
Hope this can meet your requirement. I used this to create a similar dialog, but I do not have a edit in the dialog. And I need it to be at the bottom of the screen.

Force EditText to lose focus when back pressed

I'm trying to force the EditText control to lose focus when the user presses the back button to hide the keyboard. There are many questions similar to this already, but after several hours, I haven't been able to make it work.
First, just a little bit of context. I have a ListView with custom items. Each item has several TextViews and one EditText. I have an AfterTextChanged() method saving edited values. I have a style set up to highlight the field if it has focus. Unfortunately, it is now much more obvious that the EditText doesn't actually lose focus when you hide the (soft) keyboard, and I think it's confusing. I would like the EditText to not be focused if there's no keyboard.
The solution that seemed the most reasonable is to override OnBackPressed() in the activity as described here. Unfortunately, it doesn't appear that my method is being called. I.e. the field is still focused, and a breakpoint in the function doesn't fire.
Similarly, an OnKeyUp() listener on the activity doesn't fire, and Xamarin doesn't appear to support the OnKeyUp handler for the EditText control.
I'm not trying to suppress the keyboard on creation, or anything, so using any of the invisible control tricks don't help either.
It's obvious that a lot of people have this problem. I'm sure one of you has solved it! Can you please share your solution?
Thank you so much!
-Karen
P.S. I do not need to know how to hide the keyboard. I need to take an action when the user hides the keyboard with the back button. Thanks :)

In my experience onBackPressed() (at least the default #Override one in an activity) will not normally fire when pushing the back button to close the keyboard. As far as I know it will only fire when a Back press would initiate a finish() on the current activity.
Below is a kind of "hacky" way to know when the keyboard is shown/hidden by monitoring the change in the view size. You must also set the Activity to android:windowSoftInputMode="adjustResize" in the AndroidManifest.xml.
final View activityRootView = findViewById("Your main View");
activityRootView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
#Override
public void onGlobalLayout() {
Rect r = new Rect();
//r will be populated with the coordinates of your view that area still visible.
activityRootView.getWindowVisibleDisplayFrame(r);
int heightDiff = activityRootView.getRootView().getHeight() - (r.bottom - r.top);
if (heightDiff > 100) { // if more than 100 pixels, its probably a keyboard...
//Keyboard is shown
}
if(heightDiff <= 100) {
//Keybaord not shown
}
}
});

With sincere thanks to #Shadesblade (and Xamarin's sample code), my EditTexts now unfocus! Here's the Xamarin-ized solution:
To your activity, add this class:
class GlobalLayoutListener : Java.Lang.Object, ViewTreeObserver.IOnGlobalLayoutListener
{
Action on_global_layout;
public GlobalLayoutListener (Action onGlobalLayout)
{
on_global_layout = onGlobalLayout;
}
public void OnGlobalLayout ()
{
on_global_layout ();
}
}
Add a class variable to hold the View so that the delegate can access it:
View _rootview;
In your OnCreate() add:
GlobalLayoutListener gll = new GlobalLayoutListener(
delegate {
Android.Graphics.Rect r = new Android.Graphics.Rect();
_rootView.GetWindowVisibleDisplayFrame(r);
int heightDiff = _rootView.RootView.Height - (r.Bottom - r.Top);
if (heightDiff < 100)
{
if (Window.CurrentFocus != null)
Window.CurrentFocus.ClearFocus();
}
});
_rootView = FindViewById<View>(Resource.Id.relativeLayoutOrder);
_rootView.ViewTreeObserver.AddOnGlobalLayoutListener(gll);
I expect to need to dork around with the heightDiff level and/or have to add some rotation checking, but I haven't done any rotation support at this point, so I can punt that until later.
Thank you again! *happy dance*

adding on to Shadesblade's answer, if you are using a scrollview, his answer needs a change to work, because not all of the scrollview is showing on screen.
so instead of doing
int heightDiff = activityRootView.getRootView().getHeight() - (r.bottom - r.top);
you should do
int heightDiff = Utils.getScreenHeight(SearchActivity.this) - (r.bottom - r.top);
where Utils.getScreenHeight is this:
public static int getScreenHeight(Context c) {
if (screenHeight == 0) {
WindowManager wm = (WindowManager) c.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
Point size = new Point();
display.getSize(size);
screenHeight = size.y;
screenWidth = size.x;
}
return screenHeight;
}

AlertDialog Displays Landscape-Sized View with Orientation in Landscape

My app's main activity is set in the manifest to always be in portrait view. This works fine when I load the app onto the tablet.
However, when I use my menu button and click "Setup", which opens an AlertDialog that inflates an xml layout, the tablet will display the left 2/3 or so of the entire dialog. The rest of it goes offscreen to the right. This case only occurs if I install my app on the tablet while holding it in landscape mode or if I turn the tablet to landscape mode while the app is not running (even if I go back to Portrait and click on the app). The dialog even calls this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); to make sure it stays in portrait (even though the problem persists with this call or not).
In other words, the way the AlertDialog is being displayed in portrait view is that it is blowing up a landscape view (and thus some of it goes offscreen), even though the actual orientation of the AlertDialog is portrait, like it should be.
(I apologize if the wording above was confusing - ask me to clarify anything if needed.)
So why would the tablet do this? I've tested it on a few android mobile phones and this doesn't happen, so I don't understand why the tablet will do this.
SIDE NOTES:
This isn't even occurring for just this AlertDialog either.. my EULA that displays at the start of the app (another AlertDialog) also appears this way if I start the app in landscape mode.
I've even allowed the usability of landscape by getting rid of all calls to specify portrait/landscape mode, and the tablet is still expending the dialog off-screen when held in portrait view on just the tablet, but not the phones.
EDIT:
This code works well on the phone, but the tablet problem still persists. If I uncomment dialog.show(); below, the tablet and phone display the dimensions I want, but on blackness instead of the dimmed main screen. Any ideas?
Calling function does this:
showDialog(EXAMPLE_CASE);
Function that gets called by the calling function:
protected Dialog onCreateDialog(final int id) {
Dialog dialog;
AlertDialog.Builder builder = new AlertDialog.Builder(this);
Display display = getWindowManager().getDefaultDisplay();
int mwidth = display.getWidth();
int mheight = display.getHeight();
WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
switch(id) {
// Example of what all my cases look like (there were way too many to copy)
case EXAMPLE_CASE:
builder.setTitle("Example")
.setMessage("Example message")
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialoginterface,int i) {
dialoginterface.dismiss();
showDialog(DIALOG_CHOICE);
}
})
.setCancelable(false);
dialog = builder.create();
break;
}
if (dialog != null) {
lp.copyFrom(dialog.getWindow().getAttributes());
lp.width = mwidth;
lp.height = mheight;
lp.x = mwidth;
//lp.y = mheight;
lp.dimAmount=0.0f;
//dialog.show();
dialog.getWindow().setAttributes(lp);
dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
dialog.setOnDismissListener(new OnDismissListener() {
#Override
public void onDismiss(DialogInterface dialog) {
removeDialog(id);
}
});
}
return dialog;
}

You could try getting the screen dimensions like this:
Display display = getWindowManager().getDefaultDisplay();
int mwidth = display.getWidth();
int mheight = display.getHeight();
And then alter the Dialog like this:
AlertDialog.Builder adb = new AlertDialog.Builder(this);
Dialog d = adb.setView(new View(this)).create();
// (That new View is just there to have something inside the dialog that can grow big enough to cover the whole screen.)
d.show();
WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
lp.copyFrom(d.getWindow().getAttributes());
lp.width = mwidth;
lp.height = myheight;
//change position of window on screen
lp.x = mwidth/2; //set these values to what work for you; probably like I have here at
lp.y = mheight/2; //half the screen width and height so it is in center
//set the dim level of the background
lp.dimAmount=0.1f; //change this value for more or less dimming
d.getWindow().setAttributes(lp);
//add a blur/dim flags
d.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND | WindowManager.LayoutParams.FLAG_DIM_BEHIND);
Also, you say you are inflating a custom layout. Have you tried tinkering with the layout_height and layout_width of the views in that layout to see if that makes a difference?