Intent 跳转Activity
Intent 跳转
显示跳转(用类名跳转)
Intent i = new Intent(a.this,b.class);
隐士跳转
自定义Action
<!--配置跳转Activity--><activity android:name="com.android.dialog.Mydialog"><intent-filter>
<!--配置action路径--><action android:name="andoid.intent.action.mydialog"/><category android:name="android.intent.category.DEFAULF"/></intent-filter>
系统Action
//拨打电话Uri uri = Url.parse("tel:1212121");Intent it = new Intent(Intent.ACTION_CALL,uri);