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Is there a unique Android device ID?
Do Android devices have a unique ID, and if so, what is a simple way to access it using Java?
52 Answers
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Using Intent in an Android application to show another activity
In my Android application, I have two activity classes. I have a button on the first one and I want to show the second when it is clicked, but I get an error. Here are the classes:
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NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
There is an issue with the Android appcompat v7 library on Samsung devices running Android 4.2. I keep getting crashes with the following stack trace in my Developer Console:
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How do I create a transparent Activity on Android?
...utf-8"?>
<resources>
<style name="Theme.Transparent" parent="android:Theme">
<item name="android:windowIsTranslucent">true</item>
<item name="android:windowBackground">@android:color/transparent</item>
<item name="android:windowContentOverlay"&...
Android Camera : data intent returns null
I have an android application which contains multiple activities.
11 Answers
11
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Vertical line using XML drawable
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Instead of a shape, you could try a View:
<View
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#FF0000FF" />
I have only used this for horizontal lines, but I would think it would work for vertical lines as well.
Use:
<Vi...
How to add a button to PreferenceScreen
...tandard preferences. Include a ListView in your layout and give it the ID @android:id/list.
Let's say we call the layout file res/layout/main.xml. It could look something like this:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/andr...
Using build types in Gradle to run same app that uses ContentProvider on one device
...sing and debug version on one phone. I was referencing this: http://tools.android.com/tech-docs/new-build-system/user-guide#TOC-Build-Types
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Android -Starting Service at Boot Time
...I searched a lot. They are talking about Broadcastreceiver. As I am new to android development, I didn't get a clear picture about services on Android. Please provide some source code.
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Android studio Gradle icon error, Manifest Merger
...eems to be the fault of the mainfest Merger tool for gradle.
http://tools.android.com/tech-docs/new-build-system/user-guide/manifest-merger
Solved it by adding to my manifest tag xmlns:tools="http://schemas.android.com/tools"
Then added tools:replace="android:icon,android:theme" to the applicatio...