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What are “sugar”, “desugar” terms in context of Java 8?
...red versions.
These concepts come up frequently for Java in the context of Android. Android doesn't include any a JDK, but instead is a re-implementation of the Java runtime. Therefore support for new Java language features depends on Android supporting the new language features. Currently all An...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...载：
cn.fun123.SQLite.aix
SQLite
SQLite 是 Android 内置的小型、快速、独立的 SQL（结构化查询语言）数据库引擎。
SQL 语句用于创建、选择、更新和删除一个或多个表中的数据。SQL 允许表之间建立复杂的关系，并提...
Populating a ListView using an ArrayList?
My Android app needs to populate the ListView using the data from an ArrayList .
5 Answers
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How to use the TextWatcher class in Android?
...plain with little example thanks for ur guidelines
– Android developer
Dec 17 '11 at 8:17
put this code in java..as so...
Making a Location object in Android with latitude and longitude values
... answered Aug 1 '13 at 1:52
AndroidersonAndroiderson
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Camera orientation issue in Android
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@Abhijit Yes I tried to solve this (opened ticket with Android and so on) And i think I found a reasonable solution to handle both phones with proper and faulty orientation information. Check out my detailed answer I posted to my own question here; stackoverflow.com/a/8864367/137...
Can't find the 'libpq-fe.h header when trying to install pg gem
...ibpq-dev
On Red Hat Linux (RHEL) systems: yum install postgresql-devel
For Mac Homebrew: brew install postgresql
For Mac MacPorts PostgreSQL: gem install pg -- --with-pg-config=/opt/local/lib/postgresql[version number]/bin/pg_config
For OpenSuse: zypper in postgresql-devel
For ArchLinux: pacman -S p...
How can I convert an image into a Base64 string?
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You can use the Base64 Android class:
String encodedImage = Base64.encodeToString(byteArrayImage, Base64.DEFAULT);
You'll have to convert your image into a byte array though. Here's an example:
Bitmap bm = BitmapFactory.decodeFile("/path/to/ima...
CharSequence VS String in Java?
Programming in Android, most of the text values are expected in CharSequence .
9 Answers
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When to use a Content Provider
...does not worth the effort in most cases. I have done at least 12 different Android apps (published to the Play Store) and have never need a ContentProvider. In fact, the last app we were working on was initially made with a ContentProvider and we just deleted that since it is actually more a pain in...