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Can I make TextView object monitor certain value that is being changed as app is running?
I don't want to keep passing context objects around just so I would be able to call findViewById and then calling the setText() method for TextView object. I want it to react when certain value changes.
I am looking into autofill() method but I am not sure if I am going to find an answer there...
you should try dataBinding,
example -> https://guides.codepath.com/android/Applying-Data-Binding-for-Views
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In my Application, I want to show a 'Map' like below in the picture, so is there any special method to add this Because we can't add one Activity into another Activity so I am searching for a special method or technique, no doubt many application are using this but I am not familiar with that method, I searched but could not find any appropriate answer.
An Activity can never host an Activity. You can only add a MapFragment.
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I have used Handler #postDelayed method, but it this makes button invisible after specified time irrespective of user interacting with button or not. How do I fix this?
To manually do change the visibility use:
yourbutton.setVisibility(View.INVISIBLE);
or
yourbutton.setVisibility(View.VISIBLE);
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[![image][1]][1]
How to display data in android like the given below picture
You have two possibilities:
1st. Use a single TextView and create the output by using some HTML tags in it, so that it will mach the given example. And then use Html.fromHtml() to format it.
2nd. Create as many TextViews in your layout as needed, in order to mach the desired UI. Not complicated at all.
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I have a activity, named MainActivity. I want to recall the onCreate activity in this activity(MainActivity).
MainActivity.this.onCreate(....);
How can I do this?
You can but you should not. You should mention your requirement. But if you want to execute the same code that is in onCreate then you can take out that code to separate method and call that in onCreate and from the place where you wanted to call onCreate from.
Find more info on this here.
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I would like to implement a tutorial for using the program, which is the best method for implement it?
I have to implement an imageview inside a listview and the user scroll down the single image? or there are a best method?
thx
you could use this library its easy to use and modify. https://github.com/Espiandev/ShowcaseView
and here is a link in how to use it & theme it.
XDA