android 2 3 launcher

Basic knowledge of Android [project training-achieve two-level navigation on the main interface] [3], android Training [This project training is a comprehensive exercise of basic Android knowledge. Note: some pictures and materials will be used in the project and they will be organized at will. A resource will be uploa

Files \ Java \ without installation. 3. Run the Program C: \ Program Files \ Java \ eclipse \ eclipse.exe. In the displayed dialog box, configure the working directory: Specify the working directory (which can be specified according to your habits) as follows: Method 2: 1. Download adt bundle forwindows (no further Steps 3 and 4 are required) Http://www.androi

+ "song =" + song ); Super. onCreate (); } /* 3. onDestroy Method * When a visitor calls the Context. stopService method, call this method to disable the Service. **/ Public void onDestroy (){ Super. onDestroy (); } /* 4. onUnbind Method * When a visitor calls the Context. unBind () method, call this method to unBind it from the Service */ Public boolean onUnbind (Intent intent ){ Return false; } } Note 1: When the client accesses the

= " Wrap_content " Android: Height = " 100px " > Edittext > Button Android: ID = " @ + ID/button01 " Android: layout_width = " Wrap_content " Android: layout_height = " Wrap_content " Android: Text = " Write " > Button > Edittext

coexist in multiple tasks at the same time. 2. singletask is only one of the mobile phones and must appear at the bottom of the stack of this task. 3. singleinstance indicates that this acitivity occupies the entire task, and this task has only such an activity. 4. singletop is a bit similar to standard. The difference is that he will reuse his own entity at the top layer of the task. For example, ABC is t

has not been found abnormal, return source code can find this line: intentintent =new Intent (Intent.action_all_apps , Uri.parse ("tel" +et.tostring ()); it's not hard to find the intent here. . Action_all_apps wrong code, dialer, of course, is intent.action_call, the most important is the most easily overlooked a problem is: "Tel:", remember that there is a colon behind the Tel, must not forget to add, I will keep reminding you that the activity has not been created. So the problem has been so

This section will be divided into five steps to complete the deployment of an Android development environment.First step: Install the JDK. Step Two: Configure the variable environment for the JDK on Windows. Step three: Download and install Eclipse. Fourth step: Download and install the Android SDK. Fifth step: Install the ADT plugin for Eclipse.(1) Installing the JDK: JDK (Java SE Development Kit Java Sta

android. support. v4.widget. cursorAdapter; import android. text. textUtils; import android. view. layoutInflater; import android. view. view; import android. view. viewGroup; import android. widget. adapterView; import

Android cainiao study note 13 ---- Android controls (2) simple examples of custom controls, android Custom Controls Sometimes, you may feel that the control provided by the system is too ugly, and you need to customize the control to achieve the desired effect. The following is a reference to the first line of code. 1.

ImageView form a binding relationship between weak references !!!! BitmapDownloaderTask bitmapDownloaderTask = new BitmapDownloaderTask (imageView); // 2. Create a DownloadedDrawable. // you can see through the DownloadedDrawable construction method: // This DownloadedDrawable weak reference to this bitmapDownloaderTask DownloadedDrawable downloadedDrawable = new DownloadedDrawable (bitmapDownloaderTask); // 3