我现在在没有xml文件的情况下动态创建片段我想从父活动中调用fragement中的方法,所以我怎么能这样做才能让任何人知道它,我发现很多问题但他们正在使用xml
Fragmentactivity
public class HomeActivity extends FragmentActivity implements OnClickListener { public static final String TAG = HomeActivity.class.getSimpleName(); PageIndicator mIndicator; //Spinner spinner1; ImageView serversetting,dropdown; TextView selectrange; int num,counter=0; String url,apiUser,apipass,TestAccount; /* public static HomeActivity newInstance() { return new HomeActivity(); }*/ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.fragment_parent); ViewPager mViewPager = (ViewPager) findViewById(R.id.viewpager); selectrange=(TextView)findViewById(R.id.selectrange); serversetting=(ImageView)findViewById(R.id.settingsserver); dropdown=(ImageView)findViewById(R.id.dropdown); mViewPager.setAdapter(new MyAdapter(getSupportFragmentManager())); mIndicator = (CirclePageIndicator)findViewById(R.id.indicator); mIndicator.setViewPager(mViewPager); selectrange.setOnClickListener(this); dropdown.setOnClickListener(this); serversetting.setOnClickListener(this); /*spinner1 = (Spinner) findViewById(R.id.spinner1); List<String> list = new ArrayList<String>(); list.add("Current Month"); list.add("Last Month"); list.add("Last 5 Days"); list.add("Last 10 Days"); ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,R.layout.spinner_layout,R.id.spinnerTarget,list); //dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); serversetting.setOnClickListener(this); spinner1.setAdapter(dataAdapter); spinner1.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent,View view,int pos,long id) { // TODO Auto-generated method stub Toast.makeText(parent.getContext(),"OnItemSelectedListener : " + parent.getItemAtPosition(pos).toString(),Toast.LENGTH_SHORT).show(); } @Override public void onNothingSelected(AdapterView<?> arg0) { // TODO Auto-generated method stub } });*/ } public class MyAdapter extends FragmentPagerAdapter { public MyAdapter(FragmentManager fm) { super(fm); } @Override public int getCount() { return 3; } @Override public Fragment getItem(int position) { /* Bundle args = new Bundle(); args.putInt(TextViewFragment.POSITION_KEY,position); return TextViewFragment.newInstance(args);*/ Fragment f=new Fragment(); switch(position) { case 0: f= new SalesGraphFragment(); break; case 1: f=new OrderGraphFragment(); break; case 2: f=new UserGraphFragment(); break; } return f; } /*@Override public CharSequence getPageTitle(int position) { return "Fragment # " + position; }*/ } @Override protected void onStart() { super.onStart(); EasyTracker.getInstance().activityStart(this); } @Override protected void onStop() { super.onStop(); EasyTracker.getInstance().activityStop(this); } void SelectRangeDialog() { final CharSequence[] list = {"All time","Current Month","Last Month","Today","YesterDay"}; AlertDialog.Builder alert = new AlertDialog.Builder(HomeActivity.this); if(counter==0) { num=1; counter++; } alert.setTitle("Range"); alert.setPositiveButton("OK",new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog,int which) { // TODO Auto-generated method stub dialog.dismiss(); //selectrange.setText(list[which]); // new ChangeStatusAsync().execute(); } }); /*if(status.equals("Order Pending")) num=0; else if(status.equals("Upfront Received")) num=1; else if(status.equals("Payment Complete")) num=2;*/ alert.setSingleChoiceItems(list,num,new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog,int which) { //newstatus=list[which].toString(); selectrange.setText(list[which]); num=which; } }); alert.show(); } @Override public void onClick(View v) { // TODO Auto-generated method stub switch (v.getId()) { case R.id.settingsserver: Intent settings=new Intent(HomeActivity.this,SettingsActivity.class); startActivity(settings); break; case R.id.selectrange: SelectRangeDialog(); break; case R.id.dropdown: SelectRangeDialog(); break; default: break; } } }
分段
public class SalesGraphFragment extends Fragment { public static final String POSITION_KEY = "com.burnside.embeddedfragmenttest.POSITION"; public static final String TITLE_KEY = "com.burnside.embeddedfragmenttest.TITLE"; Object saleData[]; String strSales=""; TextView txt; public Object b; List array; public Object [] objects; public static SalesGraphFragment INSTANCE; LinearLayout layout; String sessionId,url,amount,TestAccount; MagentoStoreLogin sales=new MagentoStoreLogin(); public ProgressDialog order_dialog; public static SalesGraphFragment newInstance(Bundle args) { SalesGraphFragment fragment = new SalesGraphFragment(); fragment.setArguments(args); ProgressDialog order_dialog; return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); try{ TestAccount=getActivity().getIntent().getExtras().getString("TestAccount"); if(TestAccount==null) TestAccount=""; if(TestAccount.equals("TestAccount")) { url =getActivity().getIntent().getExtras().getString("defaulturl"); apiUser=getActivity().getIntent().getExtras().getString("defaultapiuser"); apipass=getActivity().getIntent().getExtras().getString("defaultapipass"); System.out.println(url + apipass + apiUser); } else { url=PreferenceConnector.readString(getActivity(),PreferenceConnector.URL,null); System.out.println("URL is:"+url); apiUser=PreferenceConnector.readString(getActivity(),PreferenceConnector.APIUSER,null); apipass=PreferenceConnector.readString(getActivity(),PreferenceConnector.APIPASS,null); new saleDetail().execute(); new GraphValue().execute(); System.out.println(url + apipass + apiUser); } if(url!=null&&url!="") { //Load the first 12 items // counter=0; } else { Toast.makeText(getActivity(),"Please do the API settings first",1).show(); } } catch(Exception e) { Toast.makeText(getActivity(),"Please do the settings first Exception",1).show(); // uName.setText(""); // password.setText(""); } } public static SalesGraphFragment getSaleInstance() { return INSTANCE; } @Override public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState) { setHasOptionsMenu(true); return inflater.inflate(R.layout.sales_fragment,container,false); } @Override public void onViewCreated(View view,Bundle savedInstanceState) { super.onViewCreated(view,savedInstanceState); if(!TestAccount.equals("TestAccount")) { GraphViewSeries exampleSeries = new GraphViewSeries(new GraphViewData[] { new GraphViewData(5,2.0d),new GraphViewData(4,1.0d),new GraphViewData(3,3.0d) // another frequency,new GraphViewData(2,new GraphViewData(1,new GraphViewData(0,6.0d) }); // graph with dynamically genereated horizontal and vertical labels GraphView graphView; graphView = new LineGraphView( getActivity() // context,"" // heading ); graphView.addSeries(exampleSeries); // data // LinearLayout layout = (LinearLayout) findViewById(R.id.graph1); // layout.addView(graphView); // graph with custom labels and drawBackground ((LineGraphView) graphView).setDrawBackground(true); // custom static labels // graphView.setHorizontalLabels(new String[] {"2 days ago","yesterday","today","tomorrow"}); // graphView.setVerticalLabels(new String[] {"high","middle","low"}); //graphView.addSeries(exampleSeries); // data //graphView.setViewPort(2,5); //graphView.setBackgroundColor(Color.WHITE); // graphView.set layout = (LinearLayout) view.findViewById(R.id.salesgraph); txt=(TextView) view.findViewById(R.id.salesamount); txt.setText(getData()); layout.addView(graphView); } } @Override public void onCreateOptionsMenu(Menu menu,MenuInflater inflater) { // TODO Add your menu entries here inflater.inflate(R.menu.optionmenus,menu); super.onCreateOptionsMenu(menu,inflater); } // Handle click events @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.aboutus: Intent aboutus=new Intent(getActivity(),AboutUs.class); startActivity(aboutus); return true; case R.id.settings: Intent settings=new Intent(getActivity(),SettingsActivity.class); startActivity(settings); return true; default: return super.onOptionsItemSelected(item); } } public String getData() { return strSales; } public void setSessionId(String sessionId) { this.sessionId=sessionId; } public class saleDetail extends AsyncTask<Void,Integer,Object> { ProgressBar progressBar; @Override protected Object doInBackground(Void... params) { try { if(sessionId==null) { sessionId=sales.login(url,apipass); setSessionId(sessionId); } b=sales. getSaleInfo(sessionId,url); } catch (Exception e) { e.printStackTrace(); System.out.println("Getting Order Error:"+e.getMessage()); //customer_results=null; } //} return b; } @Override protected void onPreExecute() { order_dialog = ProgressDialog.show(getActivity(),"Getting Sales Information...","Please wait while loading",true); } protected void onPostExecute(final Object object) { order_dialog.dismiss(); if(object!=null) { System.out.println("Dismiss Called"); Map<String,Double> mappedData=(Map)object; Double sales=mappedData.get("Total Sale"); double finalValue = Math.round( sales * 100.0 ) / 100.0; strSales=""+finalValue; txt.setText(finalValue+""); //setData(object); } else { Toast.makeText(getActivity(),"You Dont have our package",10).show(); } } } public class GraphValue extends AsyncTask<Void,Object[]> { ProgressBar progressBar; @Override protected Object[] doInBackground(Void... params) { try { if(sessionId==null) { sessionId=sales.login(url,apipass); setSessionId(sessionId); } objects=sales.getGraphValue(sessionId,url); } catch (Exception e) { e.printStackTrace(); System.out.println("Getting Order Error:"+e.getMessage()); //customer_results=null; } //} return objects; } @Override protected void onPreExecute() { // order_dialog = ProgressDialog.show(getActivity(),true); } protected void onPostExecute(final Object object[]) { // order_dialog.dismiss(); // System.out.println("Data length is:"+object.length); // System.out.println("Dismiss Called"); for(Object obj:object) { extractDate(obj); } } private void extractDate(Object obj) { // TODO Auto-generated method stub Map map=(Map)obj; System.out.println(map.get("getCreatedAt")); } } }