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How can I convert an image into a Base64 string?
...ject
byte[] b = baos.toByteArray();
* Update *
If you're using an older SDK library (because you want it to work on phones with older versions of the OS) you won't have the Base64 class packaged in (since it just came out in API level 8 AKA version 2.2).
Check this article out for a workaround:
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“cannot resolve symbol R” in Android Studio
... Project and Sync Project with Gradle ,
check buildTools version in my sdk
From build gradle (module ) change minSdkVersion from 8 to 9
defaultConfig {
applicationId "PackageName"
minSdkVersion 9
targetSdkVersion 22
versionCode 1
versionName "1.0"
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Override back button to act like home button
...e android 2.0 this is the correct thing to override. developer.android.com/sdk/android-2.0.html
– jay
Sep 29 '11 at 19:54
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Does Android support near real time push notification?
...er they'll continue to support GCM because lot of developers are using GCM SDKs today to handle notifications, and client app upgrade takes time.
As of June 26, 2012, Google Cloud Messaging is the preferred way of sending messages to applications running on devices.
Previously (and now deprecated)...
Eclipse: Error “.. overlaps the location of another project..” when trying to create new project
...ts should import correctly, but should have errors. We must now attach the SDK to the project)
Right-Click on the project, Properties->Android->Project Build Target
Choose the appropriate build target (in doubt, use 4.0.3 in the project is newish, and use 2.2 if the project is oldish)
Click OK...
C++ Redefinition Header Files (winsock2.h)
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This solution fixed the issue for me on VS 2010 with SDK 7.1. Thanks pingw33n!
– adamfisk
Sep 24 '11 at 7:20
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Where does Android emulator store SQLite database?
...app db_name.db
#!/bin/bash
REQUIRED_ARGS=2
ADB_PATH=/Users/Tadas/Library/sdk/platform-tools/adb
PULL_DIR="~/"
if [ $# -ne $REQUIRED_ARGS ]
then
echo ""
echo "Usage:"
echo "android_db_move.sh [package_name] [db_name]"
echo "eg. android_db_move.sh lt.appcamp.impu...
How can I send mail from an iPhone application
...ant to send an email from my iPhone application. I have heard that the iOS SDK doesn't have an email API. I don't want to use the following code because it will exit my application:
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Can I have onScrollListener for a ScrollView?
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This actually works! and no need for sdk > 23 for it :)
– Matan Dahan
Jan 30 '18 at 14:52
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Display Animated GIF
... android.graphics.Movie class.
This is not too much documented, but is in SDK Reference. Moreover, it is used in Samples in ApiDemos in BitmapDecode example with some animated flag.
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