wear/src/main/java/net/osdn/gokigen/joggingtimer/utilities/ConfirmationDialog.java

   1 package net.osdn.gokigen.joggingtimer.utilities;
   2
   3 import android.app.AlertDialog;
   4 import android.app.Dialog;
   5 import android.app.DialogFragment;
   6 import android.content.Context;
   7 import android.content.DialogInterface;
   8 import android.os.Bundle;
   9 import android.support.annotation.NonNull;
  10 import android.util.Log;
  11
  12 import net.osdn.gokigen.joggingtimer.R;
  13
  14 /**
  15  *   確認ダイアログの表示
  16  *
  17  *
  18  */
  19 public class ConfirmationDialog extends DialogFragment
  20 {
  21     private final String TAG = toString();
  22     String title = "";
  23     String message = "";
  24     Callback callback = null;
  25     Dialog myDialog = null;
  26
  27     public static ConfirmationDialog newInstance(String title, String message, @NonNull Callback callback)
  28     {
  29         ConfirmationDialog instance = new ConfirmationDialog();
  30         instance.prepare(callback, title, message);
  31
  32         // パラメータはBundleにまとめておく
  33         Bundle arguments = new Bundle();
  34         arguments.putString("title", title);
  35         arguments.putString("message", message);
  36         instance.setArguments(arguments);
  37
  38         return (instance);
  39     }
  40
  41     /**
  42      *
  43      *
  44      */
  45     private void prepare(Callback callback, String title, String message)
  46     {
  47         this.callback = callback;
  48         this.title = title;
  49         this.message = message;
  50     }
  51
  52     /**
  53      *
  54      *
  55      */
  56     @Override
  57     public @NonNull Dialog onCreateDialog(Bundle savedInstanceState)
  58     {
  59         String title = this.title;
  60         String message = this.message;
  61         if (savedInstanceState != null)
  62         {
  63             title = savedInstanceState.getString("title");
  64             message = savedInstanceState.getString("message");
  65         }
  66         Context context = getContext();
  67         AlertDialog.Builder alertDialog = new AlertDialog.Builder(context);
  68         alertDialog.setTitle(title);
  69         alertDialog.setIcon(android.R.drawable.ic_dialog_alert);
  70         alertDialog.setMessage(message);
  71         alertDialog.setCancelable(true);
  72         String positiveLabel = "OK";
  73         String negativeLabel = "Cancel";
  74         if (context != null)
  75         {
  76             positiveLabel = context.getString(R.string.dialog_positive_execute);
  77             negativeLabel = context.getString(R.string.dialog_negative_cancel);
  78         }
  79
  80         // ボタンを設定する（実行ボタン）
  81         alertDialog.setPositiveButton(positiveLabel,
  82                 new DialogInterface.OnClickListener() {
  83                     public void onClick(DialogInterface dialog, int which)
  84                     {
  85                         Log.v(TAG, "ConfirmationDialog::OK");
  86                         if (callback != null)
  87                         {
  88                             callback.confirm();
  89                         }
  90                         dialog.dismiss();
  91                     }
  92                 });
  93
  94         // ボタンを設定する (キャンセルボタン）
  95         alertDialog.setNegativeButton(negativeLabel,
  96                 new DialogInterface.OnClickListener() {
  97                     public void onClick(DialogInterface dialog, int which)
  98                     {
  99                         dialog.cancel();
 100                     }
 101                 });
 102
 103         myDialog = alertDialog.create();
 104         return (myDialog);
 105     }
 106
 107     @Override
 108     public void onPause()
 109     {
 110         super.onPause();
 111         Log.v(TAG, "AlertDialog::onPause()");
 112         if (myDialog != null)
 113         {
 114             myDialog.cancel();
 115         }
 116     }
 117
 118
 119     // コールバックインタフェース
 120     public interface Callback
 121     {
 122         void confirm(); // OKを選択したとき
 123     }
 124 }