haptic feedback android 7

Add a user feedback to the app small function, due to lazy server, so in the form of mail communication, like the following two ways:1. Use other programs on your phone to complete mail delivery2. Use JavaMail to send mailThis is a decisive use of javamail, as most of us do not use the Mail app on our phones.Using JavaMail requires three jar packages, namely Additional.jar, Mail.jar and Activation.jar, which can be downloaded from Google: https://code

Android Material Design-Maintaining Compatibility (Compatibility)-(7) Some materialdesign functions such as material themes and custom activity transition can only be used in Android 5.0 (API level 21) or later system versions. However, you can design your app to use those features, whether on devices that support materialdesign or earlier

the DSL, rather than going deep into the task options and inputs and modifying them. Note that, except for ZipAlign task types, private data must be set up for all other types to make them run properly. This means that it is impossible to manually create new tasks of these types. This API may also be changed. Generally, the current API adds additional processing (if needed) around the output or input (if possible) entry given by the task ). Feedback

processing (if needed) around the output or input (if possible) entry given by the task ). Feedback is welcome, especially for unpredictable demands.For details about Gradle tasks (DefaultTask, JavaCompile, Copy, Zip), see Gradle documentation.BuildType and Product Flavor attributes will be available soon. For details about Gradle tasks (DefaultTask, JavaCompile, Copy, Zip), see Gradle documentation. Using sourceCompatibility 1.7 through

Android (Lollipop/5.0) Material Design (7) CompatibilityDefine Alternative Styles defines Alternative Styles for your app to run theme with Material Design on devices that support it, and can run earlier theme on devices of earlier versions: 1. in res/values/styles. xml defines a topic to inherit an earlier Topic 2. in res/values-v21/styles. xml defines a theme with the same name inherited from the Material