自定义对话框数(日期和时间选择器)与有关单选按钮 [英] Number of Custom Dialogs (Date and Time Picker) with relation to Radio Buttons
问题描述
我有一组单选按钮,如下图所示的code按钮。当我点击每一个单选按钮,我希望有一个不同的对话框如下图所示。一是图片为每个无线button.These应该在对话框。我该怎么做呢? 在结束所有我需要的是产生这些自定义对话框。可以任何帮助我我该怎么办呢?的
另外,我得到一个空指针异常。如何解决这个问题呢?
公共类可用性扩展活动实现OnClickListener,
OnCheckedChangeListener {
切换按钮覆盖;
TextView的状态;
按钮Overridestatus;
为CharSequence []选择= {RemoteOffice,办公室,个人移动,
家,手机,临时,请勿打扰,
远程工作,非工作日,工作日};
RadioGroup中timeperiod;
TimePicker timePicker;
诠释小时,分钟;
@覆盖
保护无效的onCreate(包savedInstanceState){
// TODO自动生成方法存根
super.onCreate(savedInstanceState);
的setContentView(R.layout.availability);
覆盖=(切换按钮)findViewById(R.id.tbOver);
override.setOnClickListener(本);
状态=(TextView中)findViewById(R.id.tvstatus);
Overridestatus =(按钮)findViewById(R.id.bstatus);
Overridestatus.setOnClickListener(本);
timeperiod =(RadioGroup中)findViewById(R.id.rgtimeperiod);
timeperiod.setOnCheckedChangeListener(本);
timePicker =(TimePicker)findViewById(R.id.timePicker);
timePicker.setIs24HourView(真正的);
}
公共无效的onClick(视图查看){
// TODO自动生成方法存根
开关(view.getId()){
案例R.id.tbOver:
如果(override.isChecked()){
status.setText(覆盖);
Overridestatus.setText(个人移动);
} 其他 {
status.setText(目前);
Overridestatus.setText(使用计划 - 请勿打扰);
}
打破;
案例R.id.bstatus:
{
如果(override.isChecked()){
的ShowDialog(0);
}
}
打破;
案例R.id.rhrandmin:
}
}
@覆盖
受保护的对话框onCreateDialog(INT ID){
// TODO自动生成方法存根
开关(ID){
情况下0:
AlertDialog.Builder建设者=新AlertDialog.Builder(本);
builder.setTitle(选择系统服务器);
builder.setIcon(R.drawable.ic_btn_round_more_normal);
builder.setPositiveButton(OK,
新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话框,INT ID){
// TODO自动生成方法存根
意图菜单=新的意图(Availability.this,
MenuScreen.class);
startActivity(菜单);
}
});
builder.setNegativeButton(CANCEL,
新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释它){
// TODO自动生成方法存根
}
});
builder.setSingleChoiceItems(选择,-1,
新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释项){
// TODO自动生成方法存根
}
});
builder.create();
builder.show();
打破;
案例2:
新TimePickerDialog(这一点,mTimeSetListener,小时,分钟,FALSE);
打破;
}
返回null;
}
私人TimePickerDialog.OnTimeSetListener mTimeSetListener =新TimePickerDialog.OnTimeSetListener(){
公共无效onTimeSet(TimePicker观点,诠释hourOfDay,诠释minuteOfHour){
小时= hourOfDay;
分钟= minuteOfHour;
Toast.makeText(getBaseContext(),
您已选择:+小时+:+分钟,
Toast.LENGTH_SHORT).show();
}
};
公共无效onCheckedChanged(RadioGroup中组,诠释checkedId){
// TODO自动生成方法存根
开关(checkedId){
案例R.id.ridefinate:
打破;
案例R.id.rdays:
打破;
案例R.id.rhrandmin:
//的ShowDialog(2);
打破;
案例R.id.rtilldate:
的ShowDialog(1);
打破;
}
}
}
LOG CAT
10-16 19:16:16.567:E / AndroidRuntime(1137):致命异常:主要
10-16 19:16:16.567:E / AndroidRuntime(1137):java.lang.RuntimeException的:无法启动的活动ComponentInfo {com.example.avst.callx pressmobile / com.example.avst.callx pressmobile.Availability}:显示java.lang.NullPointerException
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.app.ActivityThread.access $ 600(ActivityThread.java:130)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1195)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.os.Handler.dispatchMessage(Handler.java:99)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.os.Looper.loop(Looper.java:137)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.app.ActivityThread.main(ActivityThread.java:4745)
10-16 19:16:16.567:E / AndroidRuntime(1137):在java.lang.reflect.Method.invokeNative(本机方法)
10-16 19:16:16.567:E / AndroidRuntime(1137):在java.lang.reflect.Method.invoke(Method.java:511)
10-16 19:16:16.567:E / AndroidRuntime(1137):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:786)
10-16 19:16:16.567:E / AndroidRuntime(1137):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
10-16 19:16:16.567:E / AndroidRuntime(1137):在dalvik.system.NativeStart.main(本机方法)
10-16 19:16:16.567:E / AndroidRuntime(1137):由:显示java.lang.NullPointerException
10-16 19:16:16.567:E / AndroidRuntime(1137):在com.example.avst.callx pressmobile.Availability.onCreate(Availability.java:47)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.app.Activity.performCreate(Activity.java:5008)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
10-16 19:16:16.567:E / AndroidRuntime(1137):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
10-16 19:16:16.567:E / AndroidRuntime(1137):11 ...更多
Android的提供了两个非标准的对话框。 DatePickerDialog
并 TimePickerDialog
。如果你想创建自定义对话框看到指南rel="nofollow">。
I have a group of radio buttons as shown in the code button below. When I click each a radio button , I want a different dialog as shown in the picture below .One for each radio button.These should be in dialogs. How do I do this? At the end All I need is to generate these Custom Dialogs. Can any help me how I can do it?
Also I am getting a null pointer exception. How do I solve it??
public class Availability extends Activity implements OnClickListener,
OnCheckedChangeListener {
ToggleButton override;
TextView status;
Button Overridestatus;
CharSequence[] choice = { "RemoteOffice", "Office", "Personal mobile",
"Home", "Mobile", "Temporary", "Do not Disturb",
"Working Remotely", "Non work day", "Work Day" };
RadioGroup timeperiod;
TimePicker timePicker;
int hour, minute;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.availability);
override = (ToggleButton) findViewById(R.id.tbOver);
override.setOnClickListener(this);
status = (TextView) findViewById(R.id.tvstatus);
Overridestatus = (Button) findViewById(R.id.bstatus);
Overridestatus.setOnClickListener(this);
timeperiod = (RadioGroup) findViewById(R.id.rgtimeperiod);
timeperiod.setOnCheckedChangeListener(this);
timePicker = (TimePicker) findViewById(R.id.timePicker);
timePicker.setIs24HourView(true);
}
public void onClick(View view) {
// TODO Auto-generated method stub
switch (view.getId()) {
case R.id.tbOver:
if (override.isChecked()) {
status.setText("Override");
Overridestatus.setText("Personal Mobile");
} else {
status.setText("Currently");
Overridestatus.setText("Use Schedule - Do Not Disturb");
}
break;
case R.id.bstatus:
{
if (override.isChecked()) {
showDialog(0);
}
}
break;
case R.id.rhrandmin:
}
}
@Override
protected Dialog onCreateDialog(int id) {
// TODO Auto-generated method stub
switch (id) {
case 0:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Select System Server");
builder.setIcon(R.drawable.ic_btn_round_more_normal);
builder.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// TODO Auto-generated method stub
Intent menu = new Intent(Availability.this,
MenuScreen.class);
startActivity(menu);
}
});
builder.setNegativeButton("CANCEL",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
}
});
builder.setSingleChoiceItems(choice, -1,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int item) {
// TODO Auto-generated method stub
}
});
builder.create();
builder.show();
break;
case 2:
new TimePickerDialog(this, mTimeSetListener, hour, minute,false);
break;
}
return null;
}
private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view, int hourOfDay, int minuteOfHour) {
hour = hourOfDay;
minute = minuteOfHour;
Toast.makeText(getBaseContext(),
"You have selected : " + hour + ":" + minute,
Toast.LENGTH_SHORT).show();
}
};
public void onCheckedChanged(RadioGroup group, int checkedId) {
// TODO Auto-generated method stub
switch (checkedId) {
case R.id.ridefinate:
break;
case R.id.rdays:
break;
case R.id.rhrandmin:
// showDialog(2);
break;
case R.id.rtilldate:
showDialog(1);
break;
}
}
}
LOG CAT
10-16 19:16:16.567: E/AndroidRuntime(1137): FATAL EXCEPTION: main
10-16 19:16:16.567: E/AndroidRuntime(1137): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.avst.callxpressmobile/com.example.avst.callxpressmobile.Availability}: java.lang.NullPointerException
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.app.ActivityThread.access$600(ActivityThread.java:130)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.os.Handler.dispatchMessage(Handler.java:99)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.os.Looper.loop(Looper.java:137)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.app.ActivityThread.main(ActivityThread.java:4745)
10-16 19:16:16.567: E/AndroidRuntime(1137): at java.lang.reflect.Method.invokeNative(Native Method)
10-16 19:16:16.567: E/AndroidRuntime(1137): at java.lang.reflect.Method.invoke(Method.java:511)
10-16 19:16:16.567: E/AndroidRuntime(1137): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
10-16 19:16:16.567: E/AndroidRuntime(1137): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
10-16 19:16:16.567: E/AndroidRuntime(1137): at dalvik.system.NativeStart.main(Native Method)
10-16 19:16:16.567: E/AndroidRuntime(1137): Caused by: java.lang.NullPointerException
10-16 19:16:16.567: E/AndroidRuntime(1137): at com.example.avst.callxpressmobile.Availability.onCreate(Availability.java:47)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.app.Activity.performCreate(Activity.java:5008)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
10-16 19:16:16.567: E/AndroidRuntime(1137): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
10-16 19:16:16.567: E/AndroidRuntime(1137): ... 11 more
Android provides two standart dialogs. DatePickerDialog
and TimePickerDialog
. If you want to create custom dialog see this guide.
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