一、開啟activity
二、開始service
三、傳送按鈕action
下面開始乙個乙個分析，如何實現。
一、開啟activity
1、首先先定義個開啟activity的intent
eg:
intent fullintent=new intent(this,fullscreen.class);
若要傳遞資料，則使用intent.putextra()方法
eg: fullintent.putextra("iscircle",iscircle);
2、用intent例項化乙個pendingintent，呼叫pendingintent的getacticity方法來啟動另乙個activity
①若該intent帶有資料，則需要將最後乙個引數的值設為：flag_cancel_current
eg: pendingintent pfullintent=pendingintent.getactivity(this, 0, fullintent,pendingintent.flag_cancel_current);
②若該intent不帶資料，則最後乙個引數設為0
eg: pendingintent pfullintent=pendingintent.getactivity(this, 0, fullintent, 0);
3、例項化remoteview,其對應相應的widget布局
eg: remoteviews views= newremoteviews(getpackagename(), r.layout.widget);
4、給remoteview上的button或imagebutton設定按鈕事件
eg: views.setonclickpendingintent(r.id.ibfullscreen,pfullintent);
eg: public remoteviews views;//remoteview物件
publiccomponentname thiswidget; //元件名
二、開啟service
1、定義乙個intent來開啟service
eg: intent startserviceinten=newintent("zyf.temp.service.start");
注：引數為開啟service的動作
2、用intent例項化乙個pendingintent,利用pendingintent的getservice方法來啟動乙個服務
eg: pendingintent pintent=pendingintent.getservice(context, 0, startserviceinten, 0);
3、例項化remoteview,其對應相應的widget布局
eg: remoteviews views= newremoteviews(getpackagename(), r.layout.widget);
4、給remoteview上的button或imagebutton設定按鈕事件
eg: views.setonclickpendingintent(r.id.ibfullscreen,pfullintent);
eg: public remoteviews views;//remoteview物件
publiccomponentname thiswidget; //元件名
三、傳送按鈕action
1、定義乙個intent來傳送按鈕action
eg: intent previnten=new intent("prev");
2、用intent例項化乙個pendingintent，利用pendingintent的getbroadcast方法來傳送廣播
eg: pendingintent pprevintent=pendingintent.getbroadcast(this, 0, previnten, 0);
3、例項化remoteview,其對應相應的widget布局
eg: remoteviews views= newremoteviews(getpackagename(), r.layout.widget);
4、給remoteview上的button或imagebutton設定按鈕事件
eg: views.setonclickpendingintent(r.id.ibprev,pprevintent);
eg: public remoteviews views;//remoteview物件
publiccomponentname thiswidget; //元件名
6、接收該action
⒈在action，要在manifest.xml中加入action
⒉在onreceive()方法內編寫要實現的動作
eg: if(intent.getaction().equals("prev"))
②在service內接收
⒈註冊乙個broadcastreceive,宣告接收器
eg: intentfilter filter=new intentfilter();
filter.addaction("prev");
registerreceiver(docommand, filter);
⒉，在broadcastreceive類的onreceive方法內編寫要實現的動作
eg: if(intent.getaction().equals("prev"))
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