0
所以我有一个自定义AlertDialog的应用程序，它有一个Ok和Cancel按钮以及一个EditText对象。当我点击“锻炼名称”按钮时，AlertDialog和软键盘将打开。此时，AlertDialog打开并显示软键盘，如果用户决定按Home键，则应用程序关闭，但软键盘仍显示。从这一点开始，我将如何关闭软键盘以及整个应用程序？这里是我的代码：关闭主屏幕按键上的软键盘
package com.example.test_project;
import java.util.Calendar;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.TimePicker;
public class NewWorkout extends Activity {
/** Called when the activity is first created. */
private TextView mDateDisplay;
private Button mPickDate;
private int mYear;
private int mMonth;
private int mDay;
private TextView mTimeDisplay;
private Button mTimePicker1;
private int hour;
private int minute;
private String zone;
static final int DATE_DIALOG_ID = 0;
static final int TIME_DIALOG_ID = 99;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_new_workout);
final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
// capture our View elements
mDateDisplay = (TextView) findViewById(R.id.dateOfWorkoutTextView);
mPickDate = (Button) findViewById(R.id.dateOfWorkoutButton);
mTimeDisplay = (TextView) findViewById(R.id.timeOfWorkoutTextView);
mTimePicker1 = (Button) findViewById(R.id.timeOfWorkoutButton);
// add a click listener to the button
mPickDate.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
showDialog(DATE_DIALOG_ID);
}
});
// get the current date
final Calendar c = Calendar.getInstance();
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
mDay = c.get(Calendar.DAY_OF_MONTH);
final Calendar t = Calendar.getInstance();
hour = t.get(Calendar.HOUR_OF_DAY);
minute = t.get(Calendar.MINUTE);
//set the current time into the textview
mTimePicker1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
showDialog(TIME_DIALOG_ID);
}
});
}
// updates the date in the TextView
private void updateDisplay() {
StringBuilder string1 = new StringBuilder()
// Month is 0 based so add 1
.append(mMonth + 1).append("-")
.append(mDay).append("-")
.append(mYear).append(" ");
mDateDisplay.setText(string1);
}
// the callback received when the user "sets" the date in the dialog
private DatePickerDialog.OnDateSetListener mDateSetListener =
new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
mYear = year;
mMonth = monthOfYear;
mDay = dayOfMonth;
updateDisplay();
}
};
private TimePickerDialog.OnTimeSetListener timePickerListener =
new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view, int selectedHour, int selectedMinute) {
hour = selectedHour;
minute = selectedMinute;
updateTimeDisplay();
}
};
//set current time into textView
private void updateTimeDisplay() {
if(hour > 12){
hour -= 12;
zone = "PM";
}
else
zone = "AM";
if(minute >= 10){
mTimeDisplay.setText(new StringBuilder().append(hour)
.append(":").append(minute).append(" ").append(zone));
}
else
mTimeDisplay.setText(new StringBuilder().append(hour)
.append(":").append("0").append(minute).append(" ").append(zone));
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this, mDateSetListener, mYear, mMonth,
mDay);
case TIME_DIALOG_ID:
return new TimePickerDialog(this, timePickerListener, hour, minute, false);
}
return null;
}
public void nameOfWorkout(View view){
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Enter a Name for This Workout");
// Set an EditText view to get user input
final EditText input = new EditText(this);
alert.setView(input);
// Prepping the soft keyboard to open with the AlertDialog
final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(input.getWindowToken(), 0);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String value = input.getText().toString();
TextView edit = (TextView) findViewById(R.id.nameOfWorkoutTextView);
edit.setText(value);
imm.toggleSoftInput(InputMethodManager.RESULT_HIDDEN, 0);
}
});
alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
imm.toggleSoftInput(InputMethodManager.RESULT_HIDDEN, 0);
}
});
//alert.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
alert.show();
//Causing the soft keyboard to open with the AlertDialog
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
}
}
谢谢！
UPDATE：
package com.example.test_project;
import java.util.Calendar;
import com.example.test_project.R.string;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.TimePicker;
public class NewWorkout extends Activity {
/** Called when the activity is first created. */
private TextView mDateDisplay;
private Button mPickDate;
private int mYear;
private int mMonth;
private int mDay;
private TextView mTimeDisplay;
private Button mTimePicker1;
private int hour;
private int minute;
private String zone;
static final int DATE_DIALOG_ID = 0;
static final int TIME_DIALOG_ID = 99;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_new_workout);
final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
// capture our View elements
mDateDisplay = (TextView) findViewById(R.id.dateOfWorkoutTextView);
mPickDate = (Button) findViewById(R.id.dateOfWorkoutButton);
mTimeDisplay = (TextView) findViewById(R.id.timeOfWorkoutTextView);
mTimePicker1 = (Button) findViewById(R.id.timeOfWorkoutButton);
// add a click listener to the button
mPickDate.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
showDialog(DATE_DIALOG_ID);
}
});
// get the current date
final Calendar c = Calendar.getInstance();
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
mDay = c.get(Calendar.DAY_OF_MONTH);
final Calendar t = Calendar.getInstance();
hour = t.get(Calendar.HOUR_OF_DAY);
minute = t.get(Calendar.MINUTE);
//set the current time into the textview
mTimePicker1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
showDialog(TIME_DIALOG_ID);
}
});
}
// updates the date in the TextView
private void updateDisplay() {
StringBuilder string1 = new StringBuilder()
// Month is 0 based so add 1
.append(mMonth + 1).append("-")
.append(mDay).append("-")
.append(mYear).append(" ");
mDateDisplay.setText(string1);
}
// the callback received when the user "sets" the date in the dialog
private DatePickerDialog.OnDateSetListener mDateSetListener =
new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
mYear = year;
mMonth = monthOfYear;
mDay = dayOfMonth;
updateDisplay();
}
};
private TimePickerDialog.OnTimeSetListener timePickerListener =
new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view, int selectedHour, int selectedMinute) {
hour = selectedHour;
minute = selectedMinute;
updateTimeDisplay();
}
};
//set current time into textView
private void updateTimeDisplay() {
if(hour > 12){
hour -= 12;
zone = "PM";
}
else
zone = "AM";
if(minute >= 10){
mTimeDisplay.setText(new StringBuilder().append(hour)
.append(":").append(minute).append(" ").append(zone));
}
else
mTimeDisplay.setText(new StringBuilder().append(hour)
.append(":").append("0").append(minute).append(" ").append(zone));
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this, mDateSetListener, mYear, mMonth,
mDay);
case TIME_DIALOG_ID:
return new TimePickerDialog(this, timePickerListener, hour, minute, false);
}
return null;
}
public void nameOfWorkout(View view){
AlertDialog.Builder nameOfWorkoutAlert = new AlertDialog.Builder(this);
nameOfWorkoutAlert.setTitle("Enter a Name for This Workout");
// Set an EditText view to get user input
final EditText input = new EditText(this);
nameOfWorkoutAlert.setView(input);
// Prepping the soft keyboard to open with the AlertDialog
final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(input.getWindowToken(), 0);
nameOfWorkoutAlert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String value = input.getText().toString();
TextView edit = (TextView) findViewById(R.id.nameOfWorkoutTextView);
edit.setText(value);
imm.toggleSoftInput(InputMethodManager.RESULT_HIDDEN, 0);
}
});
nameOfWorkoutAlert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
imm.toggleSoftInput(InputMethodManager.RESULT_HIDDEN, 0);
}
});
//alert.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
nameOfWorkoutAlert.show();
//Causing the soft keyboard to open with the AlertDialog
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
}
protected void onPause(){
super.onPause();
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(input.getWindowToken(), 0);
}
public void typeOfWorkout(View view){
final String [] items=new String []{"Weight-lifting","Cardio","Mixture"};
AlertDialog.Builder builder=new AlertDialog.Builder(this);
builder.setTitle("Select Today's Workout type");
builder.setItems(items, new android.content.DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
TextView txt=(TextView)findViewById(R.id.typeOfWorkoutTextView);
txt.setText(items[which]);
}
});
builder.show();
}
}
什么设备是你的测试？绝大多数设备的默认行为会在用户导航时关闭键盘。 – FoamyGuy 2013-05-04 03:15:39
一个Droid Razr ... – 2013-05-05 02:30:59