我有一個AlertDialog連續顯示兩次。在Nexus S上,所有功能都可以按照我的預期進行操作,但在Wildfire中,鍵盤會消失,當第二次顯示對話框時。Android:AlertDialog與EditText不會自動顯示鍵盤
它必須是一些計時問題,因爲鍵盤顯示,當我在構造函數中放置斷點並從那裏繼續。也許onFocusChange不是確保顯示鍵盤的正確位置。
我該如何解決?你會尋找什麼來找到這個問題背後的原因?
/**
* Show a dialog asking the user to confirm the PIN.
*/
private static abstract class PinConfirmationDialog extends AlertDialog {
protected PinConfirmationDialog(Context context, final int titleResource) {
super(context);
setTitle(titleResource);
// Set an EditText view to get user input
final EditText input = new EditText(context);
InputFilter[] FilterArray = new InputFilter[1];
FilterArray[0] = new InputFilter.LengthFilter(4);
input.setFilters(FilterArray);
input.setKeyListener(DigitsKeyListener.getInstance(false,true));
input.setInputType(InputType.TYPE_CLASS_NUMBER
| 16 /*InputType.TYPE_NUMBER_VARIATION_PASSWORD Since: API Level 11*/);
input.setTransformationMethod(new PasswordTransformationMethod());
setView(input);
setButton(context.getString(R.string.okay_action), new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
onOkButtonClicked(input.getText().toString());
}
});
setButton2(context.getString(R.string.cancel_action), new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
onCancelButtonClicked();
}
});
input.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (hasFocus) {
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
}
}
});
}
/**
* OK Button was pressed
* @param pinCode The code the user has entered
*/
abstract void onOkButtonClicked(String pinCode);
/**
* Override method if needed
*/
protected void onCancelButtonClicked() {
}
}
參考http://stackoverflow.com/questions/2403632/android-show-soft-keyboard-automatically-when-focus-is-on-an-edittext –