Mobile Develop

A few days ago in the tea East bought this pro Android4, suddenly found the chapter after the face of the question is very good, decided to spend a bit of time to organize, study and study, put here, please crossing shoot bricks!2.1 If Android

0. Create a new business class to wait for testing and add the method to be tested:A. Create a new Android application project called Junit2;B. Create a new class named demo in Android Project and add the save and add two methods, the code is as

Show pictures and textMainactivity.javapackage com.example.android_textview_showqqface;import java.lang.reflect.field;import  android.os.bundle;import android.app.activity;import android.graphics.color;import 

Because the first contact to upload the app to appstore more difficult, many places do not understand, the study of the majority of days finally to upload success, and now wait to review it, first upload to the AppStore process to organize:First:

Based on the successful installation of pig, this article will use pig to analyze mobile Internet logs, the following steps:Write in front :Mobile Internet log file phone_log.txt, file Content and field Description section as followsDemand

Smali injection code for commonly used Android1. Add log informationConst-string v3, "SN"invoke-static {v3,v0}, Landroid/util/log;->v (ljava/lang/string; ljava/lang/string;) I2. Pop-up message boxNew Alertdialog.builder (self). Settitle ("Normal

A good solution is to load a certain amount of data first, and then at the bottom of the tip is loading!Dynamic loading is the data that is put into adapter is loaded several times. When the user drags the GridView, a certain amount of data is

In the previous blog post, JAVA card application development created the first applet, which introduced a project from scratch.So, after we've built this project, there's only one application (an optional aid), and if I want this project to have

1. PrefaceLevel signal status of the view in the current Android system is very common, such as the cell phone in the upper right corner of the icon of the battery status is very classic, there are several states, to the time when there is no power

1. Build the interface1> upper part, fixed, can be realized by storyboard2> the lower part, according to the change of the topic, you can consider using code to implement2. Zoom in and out of pictures1> Amplification Process(1) Increase mask (matte),

Achieve playback on Android 4.4Background Android Since ICS began, the audio system has changed a lot, first abandoned the alsalib, then the use of AIO, all levels of the framework, have their own features, and Linux audio applications fade away,

(1) Mainactivity.javapackage com.example.android_textview_rollingsubtitles;import java.sql.wrapper;import  android.os.bundle;import android.app.activity;import android.text.html;import  android.text.textutils;import android.text.textutils.truncateat;

? 1 2 3 4 public ImageButton(Context context, AttributeSet attrs, int defStyle) {     super(context, attrs, defStyle);     setFocusable(true);} In the ListView (or Expandablelistview), the item's view is handled in a

PS: Some people install the process encountered this problem this computer meets the reauirements for haxm,but ....The problem should be that the CPU may not open VT by default, so you have to go to the BIOS to open it. Enter the BIOS to find the

Problem Scenario:When the app first launches to DB, the background prompts you with the following error messageJava.lang.IllegalStateException:getDatabase called Recursivelyat Android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked

Adding unit TestsMany of the Android unit tests are done using instrumentation, which is about trying junit, why use JUnit? Because using instrumentation requires you to package the APK installation and then test it, you need to test another project

What we can do with Viewpager:1, Viewpager make the first use of the application of the navigation introduced, plus the effect of the bottom dot, such as a lot of navigation.2, page card sliding, plus the effect of the menu, generally these support

First detect if the Apache server on the local computer is startedIn the browser address bar, type: localhostYou can tell if the local Apache is working properly by returning the results. The local computer has not started the serverStart the

Originally did not want to write this blog, but see the internet on the Android database operation of the blog is very detailed, for beginners like me to understand the basic operation of SQLite is a certain difficulty, so I refer to some blog posts

When debugging a program with a real machine, the Eclipse console always appears with the following error "Adb connection error: The remote host forced the shutdown of an existing connection "The problem occurs because this is caused by the DDMS