Android Learning-intent

Example 1

Define an activity's active,category, and call

Activity_main.xml

<?xml version= "1.0" encoding= "Utf-8"? ><manifest xmlns:android= "Http://schemas.android.com/apk/res/android" Package= "Com.example.zzzzzzzzz"Android:versioncode= "1"Android:versionname= "1.0" > <uses-SDK Android:minsdkversion= "16"android:targetsdkversion= "/>" <Application Android:allowbackup= "true"Android:icon= "@drawable/ic_launcher"Android:label= "@string/app_name"Android:theme= "@style/apptheme" > <Activity Android:name=". Mainactivity "Android:label= "@string/app_name" > <intent-filter> <action android:name= "Android.intent.action.MA In "/> <category android:name=" Android.intent.category.LAUNCHER "/> </intent-filter&        Gt </activity> <Activity Android:name=". Activity2 "Android:label= "@string/title_activity_activity2" > <intent-filter > <action android:name= "aaaaaaa AAAA "/> <action android:name=" bbbbbbbbbbbbbb "/> <category android:name=" Android.        Intent.category.DEFAULT "/> <category android:name=" CCC "/> </intent-filter> </activity> </application></manifest>

View Code

Calling code

        Button btn=(button) Findviewbyid (r.id.button1);        Btn.setonclicklistener (new  Onclicklistener () {                        @Override            publicvoid  OnClick (View v) {                Intent Intent=new  Intent ();                Intent.setaction ("aaaaaaaaaaa");                Intent.addcategory ("CCC");                StartActivity (intent);            }        });

View Code

Show the second form of code

        TextView v1=(TextView) Findviewbyid (r.id.textview1);        TextView v2=(TextView) Findviewbyid (R.ID.TEXTVIEW2);        V1.settext ("active:" +getintent (). Getaction ());        Set<String> sets=getintent (). GetCategories ();        V2.settext ("Category:" +sets+ "");

View Code

Example 2

View and display Contact phone

Android Learning-intent