Develop Reference

App errors even when its a new empty project

The app works when I build it in my phone using Android Studio. But when I send it to low sdk device it doesn't work even when its sdk <=14
like Samsung s3 or s2.
apply plugin: 'com.android.application'
android {
compileSdkVersion 23
buildToolsVersion "24.0.3"
defaultConfig {
applicationId "com.pc.zaid.zzz"
minSdkVersion 14
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.4.0'
}

android plugin issue, asks to update, but already updated all

I know this has been asked before as well, but I have done all I can.
I have updated all I can from SDK manager, but still I am getting this issue with my project that I just created.
There is no functionality I have given yet, but the issue says the plugin is too old, please update or change the ANDROID_DAILY_ENVIRONMENT variable.
This is my gradle file
apply plugin: 'com.android.application'
android {
compileSdkVersion 24
buildToolsVersion "21.1.2"
defaultConfig {
applicationId "com.example.manav.loginapp"
minSdkVersion 21
targetSdkVersion 24
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:24.2.1'
compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha1'
}

App crashed when send via third party app like bluetooth

App is crashed when send via shareit but run on the device by usb debugging. This problem occurs after updating my Android Studio plugins, version etc.
module:app file
apply plugin: 'com.android.application'android {
compileSdkVersion 23
buildToolsVersion "23.0.2"
defaultConfig {
applicationId "com.example.sonu.check"
minSdkVersion 14
targetSdkVersion 20
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.4.0'
}

Android App incompatible with all devices on Google play

Loaded my apk file on Google play only to find that it is not compatible with any device. In the manifest file I support all screen sizes, build grade has a minimum sdk level of 15 and a target sdk level of 21.
The Apk file downloads on on my phone and tablet when loaded to Google drive. Nor sure if any one can help.
apply plugin: 'com.android.application'
android {
compileSdkVersion 22
buildToolsVersion "21.1.2"
defaultConfig {
applicationId "com.songbook.noo.sttrfsongbook"
minSdkVersion 15
targetSdkVersion 21
versionCode 5
versionName "1.1"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:22.1.1'
compile 'com.squareup.picasso:picasso:2.3.2'
compile 'com.google.android.gms:play-services-ads:7.5.0'
}
'com.android.tools.build:gradle:0.4.3'

Using Google Maps API in Android Studio

Hey guys I've installed the SDK for google play services and have added the dependancies however I still get the error:
Failed to find: com.google.android.gms:play-services-maps:6.5+
Is there something I'm missing?
Heres my dependencies file:
apply plugin: 'com.android.application'
apply plugin: 'android'
android {
compileSdkVersion 21
buildToolsVersion "19.1.0"
defaultConfig {
applicationId "team08.httpapp"
minSdkVersion 17
targetSdkVersion 21
versionCode 1
versionName "1.0"
}
buildTypes {
release {
runProguard false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:20.+'
compile 'com.google.android.gms:play-services:6.5.+'
compile 'com.google.android.gms:play-services-maps:6.5.+'
}

Make sure the "Google Repository" is installed in your SDK manager.

Based on this Google blog post:
http://android-developers.blogspot.co.at/2014/12/google-play-services-and-dex-method.html
I would remove compile 'com.google.android.gms:play-services:6.5.+' and change the other line to compile 'com.google.android.gms:play-services-maps:6.5.87'.