view tiff files on android

that stores the final APK files. If it is convenient, you can view the modified helloworld.apk in the distfolder. However, you must note that this APK file has no signature, so it cannot be installed and run. The last step is to sign the APK. The signing tool we need is auto-sign. It uses the batch processing command to sign the APK file using signapk. jar. You can use NotePad to open sign. BAT and check i

Android Custom view, mainly inherits view, then implements OnDraw this method, to draw. 1. Write your own custom view 2. Join Logical Threads 3. Extracting and Encapsulating custom view 4. Use XML to define styles to affect display effects First, write y

without blocking the main thread, but only one request can be processed at the same time.After knowing the instructions of Intentservice, we continue to look at the code, first look at the definition of Intentservice member variables, the code is as follows:Provides Message Queuing and private volatile Looper mservicelooper;//processing messages private volatile Servicehandler mservicehandler;// Represents the worker thread's name private String mname;//whether to resend Intentprivate Boolean M

The friendly visual perception and stable and error-free performance come from our pursuit of aesthetics and comprehensive consideration. I have always enjoyed it from a technical point of view.This article is a must-have knowledge for android Developers. It is specially compiled and summarized for everyone. It is not perfect but useful. This article is about 《Android Learning Series (2) -- download in the

(R. id. selectImage); uploadImage = (Button) this. findViewById (R. id. uploadImage); SelectImage. setOnClickListener (this); uploadImage. setOnClickListener (this); imageView = (ImageView) this. findViewById (R. id. imageView) ;}@ Override public void onClick (View v) {switch (v. getId () {case R. id. selectImage:/***** this is the built-in android intent called to filter image

We know that data interaction between two Android applications requires contentprovider, which is usually a database operation.Today, the project needs to use the contentprovider of Android to interact with files on the normal SD card, so I wrote this small example:Androidmanifest. xml Testcontentprovider. Java Package COM. h3C. test; import Java. io. file; impo

When the SQLite database is created, how do you view the contents of the database? If you use File Explorer directly, you can only see a bookstore.db file that appears under the database directory, and the Book table cannot be seen through the file explorer.I will briefly describe how two SQLite databases are viewed to check the creation of databases and tables.-----------------------------------the Database visualization tool ------------------------

on it, in fact, this method I feel more than the computer export database in the view is also fast, really do not accidentally inserted Liu-shady ~ ~ Here is a mouth, every app in the phone has clear cache, clear the data, here to say, clear the cache is it? The red path above the database in a folder called cache content to clear out, the general cache content will be placed here, Clearing the data clears all fi