Android RoboGuice2 Usage Guide (3) Inject custom view

The HelloWorld example of the Android RoboGuice2 is described earlier, and the main considerations for upgrading from Roboguice 1.1 to RoboGuice2.0 are described.

This example describes how to inject custom View,inject view and Android's own view (such as Textview,button) method.

This example uses a custom TextView to display the current time every 1 seconds. The preceding definitions are as follows:

---------------------------------PACKAGE------------------------------------PACKAGE com.pstreets.guice.custom          
View     
---------------------------------IMPORTS------------------------------------import android.content.Context;     
Import Android.os.Handler;     
Import Android.util.AttributeSet;     
          
Import Android.widget.TextView;     
Import Java.util.Calendar;     
          
Import Java.util.Date; Public final class Timetextview extends TextView {public Timetextview (context, attributeset a     
        Ttrs) {Super (context, attrs);     
          
    Postdelayed (Mupdateview, mrepeattimeperiod);     
        private void Settimestring () {Calendar c = calendar.getinstance ();     
        Date currenttime = C.gettime ();     
        String timestring = Formattime (currenttime);     
    SetText (timestring); Private Handler Mhandler = new HAndler ();    
     /** * One second.     
          
    * Private int mrepeattimeperiod = 1000;     
            Private Runnable Mupdateview = new Runnable () {@Override public void run () {     
            TimeTextView.this.setTimeString ();     
        Force Toggle again in a second mhandler.postdelayed (this, mrepeattimeperiod);     
          
    }     
          
    };     
        Private String Formattime (Date time) {int hours = time.gethours ();     
        int miniutes = Time.getminutes ();     
        int seconds = Time.getseconds ();     
        String ret = "";     
        if (Hours <) {ret = "0";     
        RET + + hours + ":";     
        if (Miniutes <) {ret = "0";     
        RET + + miniutes + ":";     
        if (seconds <) {ret = "0";   ret = seconds;  
          
        return ret; }     
          
}

Modify Main.xml

<?xml version= "1.0" encoding= "utf-

8"?> <linearlayout xmlns:android= 

"http:// Schemas.android.com/apk/res/android " 
    android:orientation=" vertical " 
    android:layout_width=" Fill_parent " 
    android:layout_height= "Fill_parent" 
    >     
<textview 
    android:id= "@+id/hello" 
    android: Layout_width= "Fill_parent" 
    android:layout_height= "wrap_content" 
    android:text= "@string/hello" 
    >     
<textview 
          
    android:layout_width= "fill_parent" 
    android:layout_height= "0DP" 
    android: Layout_weight= "1.0" 
          
    />     
<com.pstreets.guice.customview.timetextview 
    android:id= "@+id/" Txttime " 
    android:layout_width=" fill_parent " 
    android:layout_height=" wrap_content " 
          
    />     
" </LinearLayout>

The ID of the Timetextview is defined as txttime.

This allows the Injectview to be used in the corresponding activity to automatically assign (inject) the corresponding txttime.

@ContentView (r.layout.main) Public     
class Guicedemo extends roboactivity  {     
          
    @InjectView (r.id.txttime) Timetextview Txttime;     
          
    @Override public 
    void OnCreate (Bundle savedinstancestate) {     
        super.oncreate (savedinstancestate);     
        Txttime.settextcolor (0xffff0000);     
          
    }     
          

Since Guicedemo is derived from roboactivity, the Super.oncreate () completes the injection function on the first line of OnCreate. If you are familiar with RoboGuice1.1, you need to perform setcontentview before using the injected variables such as txttime.

In RoboGuice2.0 you can use the same method, 2.0 also provides a simple notation method @contentview, as in this example, set Contentview for the activity.

This example downloads: Http://www.imobilebbs.com/download/android/RoboGuiceDemo1.zip

We can see from this example, compared with RoboGuice1.1, RoboGuice2.0 in the use of more concise. This example simply derives from roboactivity and does not need to define application, etc.