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TextView bold via xml file?

...have a project in which I have the following TextView : <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textStyle="bold" android:text="@string/app_name" android:layout_gravity="center" /> So, I'm guessing you need to use andro...
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Trying to start a service on boot on Android

I've been trying to start a service when a device boots up on android, but I cannot get it to work. I've looked at a number of links online but none of the code works. Am I forgetting something? ...
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Why are nested weights bad for performance? Alternatives?

...he same flat xml structure. Updated Github Project Updated Samples: <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_he...
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Android - Center TextView Horizontally in LinearLayout

...rLayout it is already in the horizontal center of the layout. When you use android:layout_gravity it places the widget, as a whole, in the gravity specified. Instead of placing the whole widget center what you're really trying to do is place the content in the center which can be accomplished with a...
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Android: Scale a Drawable or background image?

... like this: <?xml version="1.0" encoding="utf-8"?> <bitmap xmlns:android="http://schemas.android.com/apk/res/android" android:gravity="center" android:src="@drawable/list_bkgnd" /> Then it will be centered in the view if used as background. There are also other flags: http://d...
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restrict edittext to single line

possible duplicate : android-singleline-true-not-working-for-edittext 23 Answers 23 ...
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How to add a button to a PreferenceScreen?

I'm quite new to Android Development and just came across Preferences. I found PreferenceScreen and wanted to create a login functionality with it. The only problem I have is that I don't know how I could add a "Login" button to the PreferenceScreen . ...
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Android studio, gradle and NDK

I am very new to this whole gradle and Android Studio support. I have managed to convert my android project to gradle using the export option. ...
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Android Activity as a dialog

... To start activity as dialog I defined it like this in AndroidManifest.xml: <activity android:theme="@android:style/Theme.Dialog" /> Use this property inside your activity tag to avoid that your Dialog appears in the recently used apps list android:excludeFromRecents="...
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How to turn on front flash light programmatically in Android?

...o turn on front flash light (not with camera preview) programmatically in Android. I googled for it but the help i found referred me to this page ...