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How to add a TextView to LinearLayout in Android

...xml:- <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:id="@+id/info" android:layout_height="wrap_content" android:orientation="vertical"> </LinearLayout> this is Stackove...
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Write applications in C or C++ for Android? [closed]

I'm trying to develop/port a game to Android, but it's in C, and Android supports Java, but I'm sure there must be a way to get a C app on there, anyone knows of a way to accomplish this? ...
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Android app in Eclipse: Edit text not showing on Graphical layout

I am trying to add a text field onto my Android app in Eclipse, but then I drag the Plain text option on to the graphical layout, a message at the bottom comes up. It reads Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V Exception details are logged in Window > Show Vie...
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Is it a bad practice to use negative margins in Android?

... In 2010, @RomainGuy (core Android engineer) stated that negative margins had unspecified behavior. In 2011, @RomainGuy stated that you can use negative margins on LinearLayout and RelativeLayout. In 2016, @RomainGuy stated that they have never been ...
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How to hide action bar before activity is created, and then show it again?

... Setting android:windowActionBar="false" truly disables the ActionBar but then, as you say, getActionBar(); returns null. This is solved by: public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
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How to change shape color dynamically?

... I am getting java.lang.ClassCastException: android.graphics.drawable.GradientDrawable cannot be cast to android.graphics.drawable.ShapeDrawable when trying this suggestion. – prolink007 Aug 15 '13 at 18:37 ...
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Difference between android.app.Fragment and android.support.v4.app.Fragment

What is the difference between android.app.Fragment and android.support.v4.app.Fragment , and what are the circumstances in which each should be used? ...
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Android - set TextView TextStyle programmatically?

... Actually textview.getTypeface().getStyle() is android:textStyle – Pierre Mar 19 '19 at 8:27 add a comment  |  ...
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How do I disable orientation change on Android?

...lication that I just would like to use in portrait mode, so I have defined android:screenOrientation="portrait" in the manifest XML. This works OK for the HTC Magic phone (and prevents orientation changes on other phones as well). ...
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How can you get the Manifest Version number from the App's (Layout) XML variables?

...in a resource string, and placed into the manifest by: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.somepackage" android:versionName="@string/version" android:versionCode="20"> One could create a custom view, and place it into the XML. The view ...