Edit Text和Image View
活动一有代码XML：
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/nameList"
android:fastScrollAlwaysVisible="true"
android:addStatesFromChildren="false"
android:visibility="visible"
android:layout_alignParentStart="true"
android:layout_above="@+id/refuresh" />
<Button
android:text="add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/addlist"
android:onClick="moveto"
android:layout_marginEnd="28dp"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_marginBottom="32dp" />
<Button
android:text="refrus"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/refuresh"
android:onClick="refrush"
android:layout_alignTop="@+id/addlist"
android:layout_alignParentStart="true"
android:layout_marginStart="27dp" />
有活动2：
<EditText
android:layout_width="match_parent"
android:layout_height="match_parent"
android:inputType="textPersonName"
android:text="Name"
android:ems="10"
android:id="@+id/textheare"
android:layout_alignParentBottom="true"
android:layout_alignParentStart="true"
android:layout_below="@+id/subject" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:text="Name"
android:ems="10"
android:layout_marginTop="28dp"
android:id="@+id/subject"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true" />
<ImageView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
android:layout_marginStart="26dp"
android:layout_marginTop="29dp"
android:id="@+id/notimg"
/>
<CheckBox
android:text="CheckBox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/checkBox"
android:layout_alignBottom="@+id/imageView"
android:layout_alignParentEnd="true"
android:layout_marginEnd="65dp"
android:layout_marginBottom="28dp" />
<Button
android:text="Finish"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignStart="@+id/checkBox"
android:layout_marginBottom="37dp"
android:id="@+id/Fin" />
包含2个按钮：add和refrus
单击按钮add移动以激活2
包含1个按钮：Finish
单击按钮时Finish将数据存储在SQL Lite的Edit_Text中
并转到活动一
单击按钮refrus位于活动1中时，列表中显示的数据存储在活动2中
我想点击列表，转到活动2并显示数据已存储？
答案 0 :(得分：0)
可能会对你有所帮助我们可以使用此代码添加数据
MainActivity.java
的ListView =（ListView中）findViewById（R.id.listview）;
dBase=openOrCreateDatabase("invoicedb", Context.MODE_PRIVATE, null);
Cursor c=dBase.query("company_new", new String[]{"clientname","cphone","cemail","caddress","cfax"}, null, null, null, null, null);
while(c.moveToNext()){
arrayList.add(c.getString(0));
arrayList1.add(c.getString(1));
arrayList2.add(c.getString(2));
arrayList3.add(c.getString(3));
arrayList4.add(c.getString(4));
}
BaseAdapter2 adapter = new BaseAdapter2(ExistingContacts.this, arrayList, arrayList1,arrayList2,arrayList3,arrayList4);
listView.setAdapter(adapter);
adapter.notifyDataSetChanged();
BaeeAdapter2： -
公共类BaseAdapter2扩展了BaseAdapter {
private Activity activity;
// private ArrayList<HashMap<String, String>> data;
private static ArrayList clientname,cphone,cemail,caddress,cfax;
private static LayoutInflater inflater = null;
public BaseAdapter2(Activity a, ArrayList r, ArrayList bod,ArrayList c,ArrayList d,ArrayList e) {
activity = a;
this.clientname = r;
this.cphone=bod;
this.cemail=c;
this.caddress=d;
this.cfax=e;
inflater = (LayoutInflater) activity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public int getCount() {
return clientname.size();
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(final int position, final View convertView, ViewGroup parent) {
View vi = convertView;
if (convertView == null)
vi = inflater.inflate(R.layout.listview_item, null);
TextView clientname_new = (TextView) vi.findViewById(R.id.clientname_hii); // title
String song = clientname.get(position).toString();
clientname_new.setText(song);
TextView phone = (TextView) vi.findViewById(R.id.clientphone);
String song2 =cphone.get(position).toString();
phone.setText(song2);
TextView email = (TextView) vi.findViewById(R.id.email);
String song3 =cemail.get(position).toString();
email.setText(song3);
TextView address = (TextView) vi.findViewById(R.id.address_new);
String song4 =caddress.get(position).toString();
address.setText(song4);
TextView fax = (TextView) vi.findViewById(R.id.fax);
String song5 =cfax.get(position).toString();
fax.setText(song5);
vi.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// Get the position
Intent intent = new Intent(activity, ExistingPreview.class);
TextView clientname=(TextView)activity.findViewById(R.id.clientname_hii);
TextView clientphone=(TextView)activity.findViewById(R.id.clientphone);
TextView email=(TextView)activity.findViewById(R.id.email);
TextView address_new=(TextView)activity.findViewById(R.id.address_new);
TextView fax=(TextView)activity.findViewById(R.id.fax);
String client_txt=clientname.getText().toString();
String phone_txt=clientphone.getText().toString();
String email_txt=email.getText().toString();
String address_txt=address_new.getText().toString();
String fax_txt=fax.getText().toString();
Toast.makeText(activity,client_txt+"\n"+phone_txt+"\n"+email_txt+"\n"+address_txt+"\n"+fax_txt,Toast.LENGTH_LONG).show();
SharedPreferences spf=activity.getSharedPreferences("mypref",Context.MODE_PRIVATE);
SharedPreferences.Editor editor=spf.edit();
editor.putString("client_hii",client_txt);
editor.putString("clientphone_hii",phone_txt);
editor.putString("email_hii",email_txt);
editor.putString("address_hii",address_txt);
editor.putString("fax_hii",fax_txt);
editor.commit();
activity.startActivity(intent);
}
});
return vi;
}
}
答案 1 :(得分：0)
您可以使用以下代码
ListView lView=(ListView) findViewById(R.id.listView1);
String path="/storage/sdcard0/sample_images/";
File f=new File(path);
String [] files = f.list（）;
（要么）
String [] files = new Strin [] {＆＃34; hi＆＃34;，＆＃34; hello＆＃34;，＆＃34; how r u＆＃34;};
ArrayAdapter adapter = new ArrayAdapter（getApplicationContext（），
enter code here android.R.layout.simple_list_item_single_choice，files）;
lView.setAdapter（适配器）;