Android

Send text to ApplicationProgram When you use your IME to input text, you can send the text to the application by sending a separate button event or editing the text near the cursor in the text field of the application. In both cases, you need to

Translated from:Http://developer.android.com/reference/android/view/View.MeasureSpec.html Inheritance relationship Java. Lang. Object | _____ Android. View. View. measurespec Class Overview The measurespec class encapsulates the layout

Call audio To call audio, you must meet the following requirements: 1. A sipprofile object (local configuration) for dialing and a valid SIP address (peer configuration) for receiving calls ). 2. A sipmanager object. You should create a sipaudiocall.

This article translated from: http://developer.android.com/reference/android/widget/Scroller.html Inheritance relationship Java. Lang. Object |____ Android. widget. scroller Class Overview This class encapsulates rolling processing. In its

Abslistview Basic classes that can be used to implement the virtualization project list Absspinner Abstract base class for fine-tuned Widgets Adapterviewanimator It uses adapterview as the base class to implement

This article translated from: http://developer.android.com/training/basics/activity-lifecycle/starting.html#lifecycle-states Sample Code for this course: http://download.csdn.net/detail/fireofstar/4874551 Unlike other programming languages that use

This article translated from: http://developer.android.com/training/basics/fragments/creating.html You can think of a fragment as a module area of an activity. It has its own lifecycle and receives its own input events, in addition, you can add and

This article translated from: http://developer.android.com/reference/android/widget/ArrayAdapter.html Inheritance relationship Java. Lang. Object | ___ Android. widget. baseadapter | ___ Android. widget. arrayadapter Class Overview Returns a

This article translated from: http://developer.android.com/training/basics/fragments/fragment-ui.html When designing applications to support most screen sizes, You can reuse your fragment in different la S and optimize the user experience based on

This article translated from: http://developer.android.com/reference/android/widget/Spinner.html Java. Lang. Object | ___ Android. View. View | ___ Android. View. viewgroup | ___ Android. widget. adapterview | ___ Android. widget. absspinner | ___

Copy structured data To copy and paste complex data, you can create a content provider that inherits the contentprovider component. You should also put the URI code on the clipboard so that it points to the data you want to extract. In addition, you

This article translated from: http://developer.android.com/guide/topics/connectivity/usb/accessory.html The USB slave mode allows you to connect to the USB host hardware designed specifically for Android devices. These attachments must follow the

Get the permission to communicate with attachments Your application must be licensed from the user before you can communicate with the USB attachment device. Note:If your application uses the intent filter to discover the connected attachment

Sensor framework By using the android framework, you can access these sensors and obtain raw sensor data. The sensor framework is part of the android. hardware package and includes the following classes and interfaces: 1. sensormanager Use this

Process different sensor configurations Android does not specify standard sensor configurations for devices, which means that the manufacturer can include any sensor configurations they want into their Android devices. Therefore, devices can contain

Get the permission to communicate with the device Before you can communicate with a USB device, your application must be licensed by the user. Note:If your application uses the intent filter to discover the connected USB device and the user allows

Use gravity Sensor The gravity sensor provides three dimensional vectors to indicate the direction and weight of gravity. The following code shows how to obtain an instance of a default gravity sensor: Private sensormanager msensormanager; Private

Adjust the mode for saving battery power and data exchange When you test your application, you may find that in order to provide good location and performance, you may need to adjust the mode. The following are some of the things that may change

This article translated from: http://developer.android.com/guide/topics/sensors/sensors_position.html The Android platform provides two types of sensors used to determine the device location: the geomagnetic field sensor and the direction sensor.

This article translated from: http://developer.android.com/training/sharing/shareaction.html Implement an effective and user-friendly sharing operation in your actionbar, or even moreLevel 14. Once the actionprovider is bound to a menu item in the