how to view pdf files on android

Android development tips: view the source code of external dependent jar _ android private libralies does not allow modifications to source, androidjar When developing android applications in Eclipse, you sometimes want to view the internal implementation of the function, bu

Creating a new view will meet our unique UI needs.This article describes the development of using the Compass Compass interface to define your own view class tools by inheriting view, in order to gain insight into your own custom views.Realize:Source:Layout file Activity_main (Compassview Inherit view Class):Under the

1. Because you need to delete files, you need the following permissions： 2. Core Code Copy Code code as follows: Package Com.example.deleteyoumi; Import Java.io.File; Import Android.os.Bundle; Import Android.os.Handler; Import Android.os.Message; Import android.app.Activity; Import Android.view.Menu; Import Android.view.View; Import Android.view.View.OnClickListener; Import Android.widget.Button; Import Android.widget.Toast;

Android development tips: view the source code of external dependent jar _ android private libralies does not allow modifications to source When developing android applications in Eclipse, you sometimes want to view the internal implementation of the function, but when you c

This article is an example of the Android implementation of the intent method to open various files. Share to everyone for your reference, specific as follows: Import android.app.Activity; Import Android.content.Intent; Import Android.net.Uri; Import Android.net.Uri.Builder; Import Java.io.File; Import android.content.Intent; Custom Android Intent class,

? Context is required to attach resources, start a new Activity, obtain system services, obtain the path of internal files (folders), and create a View. The attention of Context is visible. Context literally refers to the Context, or a scenario, that is, a process in which the user and the operating system operate, such as making a call. The scenario includes the interface corresponding to the telephone pro

video from my assets or raw folder into my app Inandroid The final solution to the video files in the Android Project project is: 1. Put the video file under the Res/raw file of Project engineering. 2. The video file must be an Android support video format (3GP,WMV,MP4), and the name must be lowercase, data, underscores, for example: My_video_file.mp4 3. Whe

, continue to judge whether the mcontentparent object is null. If not, call the generatelayout () method to create the mcontentparent object.The generatelayout () method is as follows: Protected viewgroup generatelayout (decorview decor) {// apply data from current theme. //... 1. Set the features value based on the Android: theme = "" of requestfreature () and activity nodes. // 2. Set the features value based on the specified features value, that i

1. Because you need to delete files, you need the following permissions:: 2. Core code Copy codeThe Code is as follows: package com. example. deleteyoumi; Import java. io. File; Import android. OS. Bundle; Import android. OS. Handler; Import android. OS. Message; Import android