src/com/owncloud/android/ui/dialog/OwnCloudListPreference.java

   1 package com.owncloud.android.ui.dialog;
   2
   3 import android.annotation.TargetApi;
   4 import android.content.Context;
   5 import android.content.DialogInterface;
   6 import android.os.Build;
   7 import android.os.Bundle;
   8 import android.preference.ListPreference;
   9 import android.preference.PreferenceManager;
  10 import android.support.v7.app.AppCompatDialog;
  11 import android.util.AttributeSet;
  12
  13 import com.owncloud.android.R;
  14 import com.owncloud.android.lib.common.utils.Log_OC;
  15
  16 import java.lang.reflect.Method;
  17
  18 public class OwnCloudListPreference extends ListPreference {
  19     private static final String TAG = OwnCloudListPreference.class.getSimpleName();
  20
  21     private Context mContext;
  22     private AppCompatDialog mDialog;
  23
  24     public OwnCloudListPreference(Context context) {
  25         super(context);
  26         this.mContext = context;
  27     }
  28
  29     public OwnCloudListPreference(Context context, AttributeSet attrs) {
  30         super(context, attrs);
  31         this.mContext = context;
  32     }
  33
  34     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  35     public OwnCloudListPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
  36         super(context, attrs, defStyleAttr, defStyleRes);
  37     }
  38
  39     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  40     public OwnCloudListPreference(Context context, AttributeSet attrs, int defStyleAttr) {
  41         super(context, attrs, defStyleAttr);
  42     }
  43
  44     @Override
  45     protected void showDialog(Bundle state) {
  46         if (getEntries() == null || getEntryValues() == null) {
  47             throw new IllegalStateException(
  48                     "ListPreference requires an entries array and an entryValues array.");
  49         }
  50
  51         int preselect = findIndexOfValue(getValue());
  52         // TODO for some reason value change is persisted but not directly shown in Android-15 emulator
  53         // same thing happens for the Standard ListPreference though
  54         android.support.v7.app.AlertDialog.Builder builder =
  55                 new android.support.v7.app.AlertDialog.Builder(mContext, R.style.ownCloud_AlertDialog)
  56                 .setTitle(getDialogTitle())
  57                 .setIcon(getDialogIcon())
  58                 .setSingleChoiceItems(getEntries(), preselect, this);
  59
  60         PreferenceManager pm = getPreferenceManager();
  61         try {
  62             Method method = pm.getClass().getDeclaredMethod(
  63                     "registerOnActivityDestroyListener",
  64                     PreferenceManager.OnActivityDestroyListener.class);
  65             method.setAccessible(true);
  66             method.invoke(pm, this);
  67         } catch (Exception e) {
  68             // no way to handle this but logging it
  69             Log_OC.e(TAG, "error invoking registerOnActivityDestroyListener", e);
  70         }
  71
  72         mDialog = builder.create();
  73         if (state != null) {
  74             mDialog.onRestoreInstanceState(state);
  75         }
  76         mDialog.show();
  77     }
  78
  79     @Override
  80     public void onClick(DialogInterface dialog, int which) {
  81         if (which >= 0 && getEntryValues() != null) {
  82             String value = getEntryValues()[which].toString();
  83             if (callChangeListener(value)) {
  84                 setValue(value);
  85             }
  86             dialog.dismiss();
  87         }
  88     }
  89
  90     @Override
  91     public AppCompatDialog getDialog() {
  92         return mDialog;
  93     }
  94
  95     @Override
  96     public void onActivityDestroy() {
  97         super.onActivityDestroy();
  98         if (mDialog != null && mDialog.isShowing()) {
  99             mDialog.dismiss();
 100         }
 101     }
 102 }