spinner（下拉列表框）,RadioButton(单选按钮),EditText,Adapter的应用
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1、其布局文件为：
<?xml version="1.0" encoding="utf-8"?><TableLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:id="@+id/modetype" android:stretchColumns="1"> <TableRow> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="right" android:padding="10dip" android:text="@string/nettype" android:textStyle="bold" /> <Spinner android:id="@+id/spinner_1" android:layout_width="fill_parent" android:layout_height="match_parent" android:drawSelectorOnTop="false" android:entries="@array/type" /> </TableRow> <TableRow> <TextView android:gravity="right" android:padding="10dip" android:text="@string/netmode" android:textStyle="bold" /> <Spinner android:id="@+id/spinner_2" android:layout_width="fill_parent" android:layout_height="match_parent" android:drawSelectorOnTop="false" <!--android:entries=""属性是给ArrayAdapter赋值的另一种方法，在利用代码来赋值时可以不适用此属性--> android:entries="@array/type" /> <!-- 为什么不能再添加新的源，item值呐？ --> </TableRow> <!-- radiogroup是控制单选的 --> <RadioGroup android:id="@+id/menu" android:layout_width="fill_parent" android:layout_height="wrap_content" android:checkedButton="@+id/lunch" android:orientation="horizontal" > <RadioButton android:id="@+id/autoip" android:text="@string/autoip" /> <RadioButton android:id="@+id/staticip" android:text="@string/staticip" /> </RadioGroup> <TableRow> <TextView android:text="@string/ip" android:gravity="right" android:padding="3dip" android:textStyle="bold" /> <EditText android:id="@+id/ipaddress" android:padding="3dip" android:scrollHorizontally="true" android:hint="@null"/> </TableRow> <TableRow> <TextView android:text="@string/mask" android:gravity="right" android:padding="3dip" android:textStyle="bold"/> <EditText android:id="@+id/maskaddress" android:padding="3dip" android:scrollHorizontally="true" android:hint="@null"/> </TableRow> <TableRow> <TextView android:text="@string/gateway" android:gravity="right" android:padding="3dip" android:textStyle="bold"/> <EditText android:id="@+id/gatewayaddress" android:padding="3dip" android:scrollHorizontally="true" android:hint="@null"/> </TableRow> <TableRow> <TextView android:text="@string/dns1" android:gravity="right" android:padding="3dip" android:textStyle="bold"/> <EditText android:id="@+id/dns1address" android:padding="3dip" android:scrollHorizontally="true" android:hint="@null"/> </TableRow> <TableRow> <TextView android:text="@string/dns2" android:gravity="right" android:padding="3dip" android:textStyle="bold"/> <EditText android:id="@+id/dns2address" android:padding="3dip" android:scrollHorizontally="true" android:hint="@null"/> </TableRow> <TableRow > <TextView android:text="@string/save" android:gravity="right" android:padding="3dip" android:textStyle="bold"/> <Button android:id="@+id/save" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/bn" /> </TableRow><TableRow ><TextView android:text="@string/clear" android:gravity="right" android:padding="3dip" android:textStyle="bold"/><Button android:id="@+id/clear" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/clear" /> </TableRow> <TableRow > <TextView android:text="@string/display" android:gravity="right" android:padding="3dip" android:textStyle="bold"/> <EditText android:id="@+id/display" android:layout_height="wrap_content" android:ems="10" android:hint="@null" android:padding="3dip" android:scrollHorizontally="true" > </EditText></TableRow><TableRow android:gravity="right"> <Button android:id="@+id/close" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/close" /></TableRow></TableLayout>2、布局界面展示：
3、代码如下：
import java.util.ArrayList;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.AdapterView;import android.widget.ArrayAdapter;import android.widget.Button;import android.widget.EditText;import android.widget.RadioButton;import android.widget.RadioGroup;import android.widget.Spinner;import android.widget.Toast;import com.cslc.android.easypos.SystemControl;//学习ArrayListpublic class setNetworkModeTest extends Activity {private static final String TAG = "setNetworkMode";SystemControl sc=new SystemControl(this);private static String typeNumber,modeNumber;private static int type,mode;private static EditText display,ipaddress,maskaddress,gatewayaddress,dns1address,dns2address;private static RadioButton autoip,staticip;private static Spinner spinner_c,spinner_d;private static ArrayAdapter<String> aspnNetType,aspnnetmode;private static ArrayList<String> allnettype,allnetmode;private static final String[] mNetType={"4","1","2","3"};//为什么不能放到局部方法中?private static final String[] mNetMode={"0","1","2"};//为什么不能放到局部方法中?protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.snm_layout);display=(EditText)findViewById(R.id.display);ipaddress=(EditText)findViewById(R.id.ipaddress);maskaddress=(EditText)findViewById(R.id.maskaddress);gatewayaddress=(EditText)findViewById(R.id.gatewayaddress);dns2address=(EditText)findViewById(R.id.dns2address);dns1address=(EditText)findViewById(R.id.dns1address);autoip=(RadioButton)findViewById(R.id.autoip);staticip=(RadioButton)findViewById(R.id.staticip);Button save=(Button)findViewById(R.id.save);Button close=(Button)findViewById(R.id.close);Button clear=(Button)findViewById(R.id.clear);//----------------------------------------------------------spinner--------------------------------------------------------------------find_and_modify_view();//获取spinner选择的值，设置监听事件spinner_c.setOnItemSelectedListener(new Spinner.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { /*arg0 The AdapterView where the selection happened 解析：我们可以假单的看为下拉框（当我们为下拉框添加这个监听器时可以这么做），其他情况类似 * arg1 The view within the AdapterView that was clicked 对应的就是ArrayAdapter构造函数中的第二个参数R.layout.list_item *arg2 The position of the view in the adapter 第一项position=0，第二项position=1... *arg3 The row id of the item that is selected * */ Log.e("eee",""+arg3); typeNumber = mNetType[arg2]; //设置显示当前选择的项 arg0.setVisibility(View.VISIBLE); //display.setText(cardNumber);//获取选择的值 type=Integer.valueOf(typeNumber); }@Overridepublic void onNothingSelected(AdapterView<?> arg0) {// TODO Auto-generated method stub}});spinner_d.setOnItemSelectedListener(new Spinner.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { modeNumber = mNetType[arg2]; //设置显示当前选择的项 arg0.setVisibility(View.VISIBLE); // display.setText(cardNumber);//获取选择的值 mode=Integer.valueOf(modeNumber); }@Overridepublic void onNothingSelected(AdapterView<?> arg0) {// TODO Auto-generated method stub}}); //cardNumber = spinner_c.getSelectedItem().toString(); //display.setText(cardNumber);//获取选择的值//---------------------------------------------------------------RadioButton-----------------------------------------------------------/*autoip.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { //错在：用的RadioButton点的事件，应该用RadioGroup点事件 public void onCheckedChanged(RadioGroup group, int checkedId) { // TODO Auto-generated method stub String string = ""; if(checkedId == autoip.getId()){ string = autoip.getText().toString(); }else if(checkedId == staticip.getId()){ string = staticip.getText().toString(); } display.setText(string); } }); */RadioGroup menu = (RadioGroup)findViewById(R.id.menu);//必须要用RadioGroupmenu.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener(){@Overridepublic void onCheckedChanged(RadioGroup arg0, int checkedId) {// TODO Auto-generated method stubString string = ""; if(checkedId == autoip.getId()){ {//--------------------------------------------EditText setEnabled(false),不可编辑状态---------------------------------- ipaddress.setFocusable(false); ipaddress.setEnabled(false); maskaddress.setFocusable(false); maskaddress.setEnabled(false); gatewayaddress.setFocusable(false); gatewayaddress.setEnabled(false); dns1address.setFocusable(false); dns1address.setEnabled(false); dns2address.setFocusable(false); dns2address.setEnabled(false); //display.setText("unedit"); } } else if(checkedId == staticip.getId()) { //--------------------------------------------EditText setEnabled(false),可编辑状态---------------------------------- ipaddress.setFocusableInTouchMode(true); ipaddress.setFocusable(true);//clearFocus(); ipaddress.setEnabled(true); ipaddress.requestFocus(); maskaddress.setFocusableInTouchMode(true); maskaddress.setFocusable(true); maskaddress.setEnabled(true); maskaddress.requestFocus(); gatewayaddress.setFocusableInTouchMode(true); gatewayaddress.setFocusable(true); gatewayaddress.setEnabled(true); gatewayaddress.requestFocus(); dns1address.setFocusableInTouchMode(true); dns1address.setFocusable(true); dns1address.setEnabled(true); dns1address.requestFocus(); dns2address.setFocusableInTouchMode(true); dns2address.setFocusable(true); dns2address.setEnabled(true); dns2address.requestFocus(); //display.setText("edit"); } }});//-----------------------------------------clear EditText------------------------------------------------------------clear.setOnClickListener(new OnClickListener(){public void onClick(View source){ipaddress.setText("");maskaddress.setText("");gatewayaddress.setText("");dns1address.setText("");dns2address.setText("");}});close.setOnClickListener(new OnClickListener(){public void onClick(View source){Intent intent=new Intent(setNetworkModeTest.this,scActivity.class);startActivity(intent);finish();//end of current activity}});save.setOnClickListener(new OnClickListener(){public void onClick(View source){//---------------------------------------------------多个string放入Intent中-----------------------------------------------Intent intent=new Intent();if(mode==2){ intent.putExtra("ip", ipaddress.getText().toString()); intent.putExtra("mask", maskaddress.getText().toString()); intent.putExtra("gateway", gatewayaddress.getText().toString()); intent.putExtra("dns1", dns1address.getText().toString()); intent.putExtra("dns2", dns2address.getText().toString()); Toast.makeText(setNetworkModeTest.this, "保存成功", Toast.LENGTH_SHORT).show();boolean flag=sc.setNetworkMode(type,mode,intent);if(flag)display.setText("true"); else display.setText("false");}else if(mode==1){Log.d(TAG,"mode is 1");if(sc.setNetworkMode(type,mode,intent))display.setText("true"); else display.setText("false");//display.setText("true");}}});}//------------------------------------------------给spinner设置Adapter-----------------------------------------------------------------------public void find_and_modify_view(){spinner_c=(Spinner)findViewById(R.id.spinner_1);spinner_d=(Spinner)findViewById(R.id.spinner_2); allnettype = new ArrayList<String>();allnetmode = new ArrayList<String>();for(int i=0;i<mNetType.length;i++){allnettype.add(mNetType[i]);}for(int i=0;i<mNetMode.length;i++){allnetmode.add(mNetMode[i]);}aspnNetType= new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,allnettype);aspnnetmode= new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,allnetmode);//aspnNetType.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);// 设定下拉菜单的样式 spinner_c.setAdapter(aspnNetType);spinner_d.setAdapter(aspnnetmode);}/** * 设置EditText是否可编辑 * @author com.tiantian * @param editText 要设置的EditText * @param value 可编辑:true 不可编辑:false * editText.setEnabled(true);可编辑 editText.setEnabled(false);不可编辑 */ }
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