33

我想要得到一塊代碼工作的,應在AlertDialog儘快集中一個EditText,因爲它顯示,然後自動打開軟鍵盤。相反,它只是讓屏幕變暗。AlertDialog與EditText上,打開軟鍵盤與重點的EditText自動不起作用

Builder builder = new Builder(this); 
final EditText input = new EditText(this); 
AlertDialog dialog = builder.create(); 
builder 
    .setTitle(R.string.dialog_title_addsubject) 
    .setMessage(R.string.dialog_addsubject) 
    .setView(input) 
    .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { 
     public void onClick(DialogInterface dialog, int which) { 
      String value = input.getText().toString(); 
      if (input.getText().toString().trim().length() == 0) { 
       Toast.makeText(Main.this, R.string.input_empty, Toast.LENGTH_SHORT).show(); 
      } else { 
       db.insertSubject(value); 
       getData(); 
      } 
     } 
    }) 
    .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { 
     public void onClick(DialogInterface dialog, int which) { 
     } 
    }); 
    input.requestFocus(); 
    dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); 
    dialog.show(); 

我試過很多方法做到這一點,但都沒有工作。我希望你們能幫助我。提前致謝!我設法得到它的工作後dialog.show();

回答

59

InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); 
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); 

調用此:

Builder builder = new Builder(this); 
      final EditText input = new EditText(this); 
      builder 
       .setTitle(R.string.dialog_title_addsubject) 
       .setMessage(R.string.dialog_addsubject) 
       .setView(input) 
       .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { 

        public void onClick(DialogInterface dialog, int which) { 
         String value = input.getText().toString(); 
         if (input.getText().toString().trim().length() == 0) { 
          Toast.makeText(Main.this, R.string.input_empty, Toast.LENGTH_SHORT).show(); 
         } else { 
          db.insertSubject(value); 
          getData(); 
         } 
         InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); 
         imm.hideSoftInputFromWindow(input.getWindowToken(), 0); 
        } 
       }) 
       .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { 

        public void onClick(DialogInterface dialog, int which) { 
         InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); 
         imm.hideSoftInputFromWindow(input.getWindowToken(), 0); 
        } 

       }); 

       builder.show(); 
       input.requestFocus(); 
       InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); 
       imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); 

這種方法不需要

+0

真棒!一直試圖讓我的編輯文本顯示在警報對話框中,沒有任何工作。非常感謝 – gbotha

+0

完美的解決方案! – pawegio

+0

謝謝。它對我有幫助。 –

11

你可以用它來代替 dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);所以我可以使用builder.show()來顯示對話框,Saber提供的代碼打開軟鍵盤。每個按鈕中的另一個代碼段會自動關閉軟鍵盤。

+1

現在鍵盤顯示,但該對話框不... – BlueHazard

+1

是我的回答對你有用? – Sabre

+0

確定這項工作,但我可以在textView上顯示光標。任何想法? – adev

0

嘗試顯示之後,在第二它 -

new Handler(Looper.getMainLooper()).postDelayed(new Runnable() { 
    input.requestFocus(); 

    dialog.getWindow(). 
    setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); 

    dialog.show(); 
}, 1000) 
1
public void selectContact(Context context) { 
     AlertDialog.Builder builder = new AlertDialog.Builder(context); 
     builder.setIcon(R.mipmap.icon); 
     builder.setTitle(R.string.title); 
     builder.setPositiveButton(android.R.string.ok, context); 
     builder.setNegativeButton(android.R.string.cancel,context); 
     builder.setView(View.inflate(context, 
       R.layout.dialog, null)); 
     AlertDialog alertDialog = builder.create(); 

     alertDialog.setOnShowListener(this); //Add listener 
     alertDialog.show(); 
    } 

開放keyborad在昂秀: -

@Override 
    public void onShow(DialogInterface dialog) { 
     EditText editText = (EditText) ((AlertDialog) dialog).findViewById(R.id.number); 
     InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); 
     imm.showSoftInput(editText, InputMethodManager.SHOW_IMPLICIT); 
    }