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POafter override getview method for custom adapter for a listview,see nothing in listview
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  1. POafter override getview method for custom adapter for a listview,see nothing in listview
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    copied!<p>I'm new in android programming . I'm writing an android program which has two tabs: detailstab in which user fill a form and hit save button. listtab in which display what user insert in edittexts control in details tab. to implement this i made this classes:</p> <p>detail java class :</p> <pre><code> public class detail { public String name; public String adr; public String note; public int radioValue; } </code></pre> <p>details activity class in which i make an arraylist and add objects from detail:</p> <pre><code>public class details extends Activity { public ArrayList&lt;detail&gt; detaillist=new ArrayList&lt;detail&gt;(); public EditText etName; public EditText etAdr; public EditText etNote; public RadioGroup rg; public RadioButton rb_0; public RadioButton rb_1; public RadioButton rb_2; static details detailsActivity; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); detailsActivity=this; setContentView(R.layout.details_tab); Button btnSave=(Button) findViewById(R.id.button1); //define an arraylist to add detail object to it etName=(EditText) findViewById(R.id.editText1); etAdr=(EditText) findViewById(R.id.editText2); etNote=(EditText) findViewById(R.id.editText3); rg=(RadioGroup) findViewById(R.id.radioGroup1); rb_0=(RadioButton) findViewById(R.id.radio0); rb_1=(RadioButton) findViewById(R.id.radio1); rb_2=(RadioButton) findViewById(R.id.radio2); btnSave.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View arg0) { final detail d=new detail(); makeDetailList(d); } }); } public void clear(EditText et) { et.setText(""); } public ArrayList&lt;detail&gt; makeDetailList(detail d){ d.name=etName.getText().toString(); d.adr=etAdr.getText().toString(); if(rb_0.isSelected()) { d.radioValue=0; } else if (rb_1.isSelected()) { d.radioValue=1; } else if (rb_1.isSelected()) { d.radioValue=2; } detaillist.add(d); return detaillist; } public static details getInstance(){ return detailsActivity; } </code></pre> <p>and finally lists activity class this class contains a listview to display data from details tab:</p> <pre><code> public class list extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.list_tab); ListView lv=(ListView) findViewById(R.id.listView1); MyAdapter adapter=new MyAdapter(this,android.R.layout.simple_list_item_1 , R.id.textView1, details.getInstance().detaillist); lv.setAdapter(adapter); (this,R.layout.my_list,R.id.textView1,R.id.textView2,)); } private class MyAdapter extends ArrayAdapter&lt;String&gt;{ public MyAdapter(Context context, int resource, int textViewResourceId, ArrayList&lt;detail&gt; detaillist) { super(context, resource, textViewResourceId); } @Override public View getView(int position, View convertView, ViewGroup parent) { LayoutInflater inflater=(LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); View row=inflater.inflate(R.layout.my_list, parent,false); ArrayList&lt;detail&gt; items=details.getInstance().detaillist; ImageView ivR=(ImageView) row.findViewById(R.id.imageView1); TextView tvN=(TextView) row.findViewById(R.id.textView1); TextView tvA=(TextView) row.findViewById(R.id.textView2); tvN.setText(items.get(position).name); tvA.setText(items.get(position).adr); if(items.get(position) != null) { if(items.get(position).radioValue==0) { ivR.setImageResource(R.drawable.t); } else if(items.get(position).radioValue==1) { ivR.setImageResource(R.drawable.t); } else if(items.get(position).radioValue==2) { ivR.setImageResource(R.drawable.t); } } return row; } } } </code></pre> <p>and this is my_list.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" &gt; &lt;ImageView android:id="@+id/imageView1" android:layout_width="50dp" android:layout_height="50dp" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:layout_marginLeft="29dp" android:layout_marginTop="24dp" android:src="@drawable/ic_launcher" /&gt; &lt;TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/textView1" android:layout_below="@+id/textView1" android:text="TextView" android:textColor="#687EFC" android:textSize="20sp" /&gt; &lt;TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="@+id/imageView1" android:layout_marginLeft="31dp" android:layout_toRightOf="@+id/imageView1" android:text="TextView" android:textColor="#18277D" android:textSize="30sp" /&gt; &lt;/RelativeLayout&gt; </code></pre> <p>I really appreciate your help regards</p>
 

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