我的自定义微调器有一个奇怪的问题。我的实现是隐藏微调器并且只在我单击按钮时触发选择，因此我的微调器可见性设置为INVISIBLE并且仅触发选项列表并将所选值分配回TextView。我的代码只能在模拟器中工作但是当我去我的实际设备时，选项列表没有打开，只有默认值被选回我的textview。我试图将微调器可见性设置为Visible。这次我有了选择。我记得我有另一个实现，可见性设置为INVISIBLE，它可以按需运行。有线索吗？
XML布局：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#EEE8E0"
android:descendantFocusability="beforeDescendants"
android:focusableInTouchMode="true"
android:orientation="vertical"
android:weightSum="100" >
<View
android:layout_width="fill_parent"
android:layout_height="1dp"
android:background="#E69100" />
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="100"
android:descendantFocusability="beforeDescendants"
android:focusableInTouchMode="true"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="100dp"
android:background="#ffffff"
android:orientation="horizontal" >
<ImageView
android:id="@+id/attach4"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_weight="1"
android:clickable="true"
android:scaleType="fitXY"
android:src="@drawable/attach" />
<ImageView
android:id="@+id/attach3"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_weight="1"
android:clickable="true"
android:scaleType="fitXY"
android:src="@drawable/attach" />
<ImageView
android:id="@+id/attach2"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_centerInParent="true"
android:layout_weight="1"
android:clickable="true"
android:scaleType="fitXY"
android:src="@drawable/attach" />
<ImageView
android:id="@+id/attach1"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_weight="1"
android:clickable="true"
android:scaleType="fitXY"
android:src="@drawable/attach" />
</LinearLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:descendantFocusability="beforeDescendants"
android:focusableInTouchMode="true" >
<View
android:id="@+id/view1"
android:layout_width="fill_parent"
android:layout_height="1dp"
android:layout_centerInParent="true"
android:background="#222222"
android:visibility="invisible" />
<EditText
android:id="@+id/addtitle"
android:layout_width="fill_parent"
android:layout_height="50dp"
android:layout_below="@+id/selecttype"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
android:background="@drawable/edittextback"
android:gravity="right|center_vertical"
android:hint="عنوان الأعلان"
android:inputType="text"
android:lines="1"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:textColor="#444545"
android:textSize="17dp" >
</EditText>
<EditText
android:id="@+id/addbrief"
android:layout_width="fill_parent"
android:layout_height="100dp"
android:layout_below="@+id/addtitle"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
android:background="@drawable/edittextback"
android:gravity="right|center_vertical"
android:hint="المواصفات"
android:inputType="text"
android:lines="4"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:textColor="#444545"
android:textSize="17dp" />
<EditText
android:id="@+id/addprice"
android:layout_width="250dp"
android:layout_height="50dp"
android:layout_alignParentRight="true"
android:layout_below="@+id/addbrief"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
android:background="@drawable/edittextback"
android:gravity="right|center_vertical"
android:hint="السعر"
android:inputType="number"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:textColor="#444545"
android:textSize="17dp" />
<Spinner
android:id="@+id/addmoney"
android:layout_width="200dp"
android:layout_height="50dp"
android:layout_alignLeft="@+id/addbrief"
android:layout_alignTop="@+id/addprice"
android:layout_toLeftOf="@+id/addprice"
android:background="@drawable/edittextback"
android:entries="@array/country_arrays"
android:gravity="center_horizontal|center_vertical"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:prompt="@string/country_prompt"
android:textColor="#444545"
android:textSize="17dp" />
<EditText
android:id="@+id/addkilometrage"
android:layout_width="300dp"
android:layout_height="50dp"
android:layout_alignLeft="@+id/addprice"
android:layout_alignRight="@+id/addprice"
android:layout_below="@+id/addprice"
android:layout_marginTop="10dp"
android:background="@drawable/edittextback"
android:gravity="right|center_vertical"
android:hint="المسافة المقطوعة"
android:inputType="number"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:textColor="#444545"
android:textSize="17dp" />
<Spinner
android:id="@+id/addkilo"
android:layout_width="250dp"
android:layout_height="50dp"
android:layout_alignLeft="@+id/addmoney"
android:layout_alignTop="@+id/addkilometrage"
android:layout_toLeftOf="@+id/addprice"
android:background="@drawable/edittextback"
android:entries="@array/kilo"
android:gravity="center_vertical|center_horizontal"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:prompt="@string/country_prompt"
android:textColor="#444545"
android:textSize="17dp" />
<Spinner
android:id="@+id/Spinner01"
android:layout_width="250dp"
android:layout_height="50dp"
android:layout_alignLeft="@+id/addkilo"
android:layout_alignRight="@+id/addkilometrage"
android:layout_below="@+id/addkilometrage"
android:layout_marginTop="10dp"
android:background="@drawable/edittextback"
android:entries="@array/year"
android:gravity="right|center_vertical"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:prompt="@string/country_prompt"
android:textColor="#444545"
android:textSize="17dp" />
<EditText
android:id="@+id/EditText01"
android:layout_width="fill_parent"
android:layout_height="50dp"
android:layout_alignLeft="@+id/Spinner01"
android:layout_alignRight="@+id/Spinner01"
android:layout_below="@+id/Spinner01"
android:layout_marginTop="10dp"
android:background="@drawable/edittextback"
android:ems="10"
android:gravity="right|center_vertical"
android:hint="رقم الهاتف/الجوال"
android:inputType="number"
android:lines="1"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:textColor="#444545"
android:textSize="17dp" />
<Button
android:id="@+id/continueregist"
android:layout_width="fill_parent"
android:layout_height="50dp"
android:layout_alignLeft="@+id/EditText01"
android:layout_alignRight="@+id/addprice"
android:layout_below="@+id/EditText01"
android:layout_marginTop="26dp"
android:background="@drawable/green_buttons"
android:text="Continue"
android:textColor="#ffffff"
android:textSize="19dp"
android:textStyle="bold" />
<Spinner
android:id="@+id/spinner_type"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:drawSelectorOnTop="true"
android:visibility="invisible" />
<Spinner
android:id="@+id/spinner_model"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawSelectorOnTop="true"
android:visibility="invisible" />
<ImageView
android:id="@+id/selecttype"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_alignParentTop="true"
android:layout_alignRight="@+id/addtitle"
android:layout_marginTop="20dp"
android:scaleType="fitXY"
android:src="@drawable/sell" />
<TextView
android:id="@+id/textcattype"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/spinner_type"
android:layout_marginRight="21dp"
android:layout_toLeftOf="@+id/selecttype"
android:text=""
android:textSize="19dp" />
<ImageView
android:id="@+id/selectmodel"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_alignRight="@+id/addmoney"
android:layout_alignTop="@+id/selecttype"
android:scaleType="fitXY"
android:src="@drawable/buy" />
<TextView
android:id="@+id/textcarmodel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/selectmodel"
android:layout_toLeftOf="@+id/selectmodel"
android:text=""
android:textSize="19dp" />
</RelativeLayout>
</LinearLayout>
</ScrollView>
<RelativeLayout
android:id="@+id/mainaddshekh"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#222222"
android:orientation="vertical" >
</RelativeLayout>
Java类：
public class Sell_Class extends Activity implements OnClickListener {
Spinner Type, Model;
MyAdapter adapter1;
MyAdapter2 adapter2;
EditText cartypeedit;
ImageView cartype, carmodel;
TextView cartypetext, carmodeltext;
String CarType="",CarModel;
int arr_images[] = {
R.drawable.hy,
R.drawable.hy
};
final String[] CarsType = new String[] {
"هيونداي", "هوندا",
};
final String[] Hyundai = new String[] {
"أكسنت", "أكسيل"
};
final String[] Honda = new String[] {
"أكورد", "سيفيك",
};
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.mainsell);
Type = (Spinner) findViewById(R.id.spinner_type);
Model = (Spinner) findViewById(R.id.spinner_model);
cartype = (ImageView) findViewById(R.id.selecttype);
carmodel = (ImageView) findViewById(R.id.selectmodel);
cartypetext = (TextView) findViewById(R.id.textcattype);
carmodeltext = (TextView) findViewById(R.id.textcarmodel);
cartype.setOnClickListener(this);
carmodel.setOnClickListener(this);
Type.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// get spinner value
cartypetext.setText(CarsType[arg2]);
CarType = CarsType[arg2];
CarModel="";
carmodeltext.setText("");
}
public void onNothingSelected(AdapterView<?> arg0) {
}
});
Model.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
if (CarType.contentEquals("هيونداي")) {
carmodeltext.setText(Hyundai[arg2]);
CarModel = Hyundai[arg2];
}
if (CarType.contentEquals("هوندا")) {
carmodeltext.setText(Honda[arg2]);
CarModel = Honda[arg2];
}
}
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.selecttype:
adapter1 = new MyAdapter(this, CarsType, arr_images);
Type.setAdapter(adapter1);
Type.performClick();
cartypetext.setText("");
break;
case R.id.selectmodel:
if (CarType.contentEquals("")) {
Toast.makeText(getApplicationContext(),
"Please select car first", Toast.LENGTH_LONG).show();
}
else
{
if (CarType.contentEquals("هيونداي")) {
adapter2 = new MyAdapter2(Sell_Class.this, Hyundai);
Model.setAdapter(adapter2);
Model.performClick();
carmodeltext.setText("");
}
if (CarType.contentEquals("هوندا")) {
adapter2 = new MyAdapter2(Sell_Class.this, Honda);
Model.setAdapter(adapter2);
Model.performClick();
carmodeltext.setText("");
}
}
break;
}
}
}
MyAdapter：
public class MyAdapter extends BaseAdapter {
Context c;
String[] title;
int[] pic;
LayoutInflater inflater;
Typeface font;
int arr_images[] = {
R.drawable.hy,
R.drawable.hy
};
public MyAdapter(Context context, String[] title, int[] pic) {
super();
this.c = context;
this.title = title;
this.pic = pic;
inflater = LayoutInflater.from(context);
// font = Typeface.createFromAsset(context.getAssets(),"fonts/khalaadsara.ttf");
}
@Override
public int getCount() {
return title.length;
}
public class ViewHolder {
TextView cat;
ImageView icon;
}
@Override
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
final ViewHolder holder;
if (convertView== null) {
holder = new ViewHolder();
convertView = inflater.inflate(R.layout.spinnertext, null);
holder.cat = (TextView) convertView.findViewById(R.id.titlesub);
holder.icon = (ImageView) convertView.findViewById(R.id.imageView1);
convertView.setTag(holder);
}
else
{
holder = (ViewHolder)convertView.getTag();
}
holder.cat.setText(title[position]);
// holder.cat.setTypeface(font);
holder.icon.setImageResource(arr_images[position]);
return convertView;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
}