Switch to app compat preferences.

[Dictionary.git] / src / com / hughes / android / dictionary / PreferenceActivity.java

diff --git a/src/com/hughes/android/dictionary/PreferenceActivity.java b/src/com/hughes/android/dictionary/PreferenceActivity.java
index c99aa9605304ebbf59f31bee66b5fbe746ed5177..c4197e2734113cc3ad115085a733a47eb7fd37b0 100644 (file)
--- a/src/com/hughes/android/dictionary/PreferenceActivity.java
+++ b/src/com/hughes/android/dictionary/PreferenceActivity.java
@@ -14,46 +14,113 @@
 
 package com.hughes.android.dictionary;
 
+import android.app.AlertDialog;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.os.Build;
+import android.os.Environment;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.preference.PreferenceManager;
+import android.support.v7.preference.ListPreference;
+
+import java.io.File;
 import java.util.List;
 
-import android.os.Bundle;
-import android.preference.ListPreference;
-
-public class PreferenceActivity extends android.preference.PreferenceActivity {
-  
-  static boolean prefsMightHaveChanged = false;
-  
-  @SuppressWarnings("deprecation")
-  @Override
-  public void onCreate(Bundle savedInstanceState) {
-    setTheme(((DictionaryApplication)getApplication()).getSelectedTheme().themeId);
-
-    /**
-     * @author Dominik Köppl
-     * Preference: select default dictionary
-     * As this list is dynamically generated, we have to do it in this fashion
-     */
-    super.onCreate(savedInstanceState);
-    addPreferencesFromResource(R.xml.preferences);
-    ListPreference defaultDic = (ListPreference) findPreference(getResources().getString(R.string.defaultDicKey));
-    DictionaryApplication application = (DictionaryApplication) getApplication();
-    List<DictionaryInfo> dicts = application.getDictionariesOnDevice(null);
-    
-       final CharSequence[] entries = new CharSequence[dicts.size()];
-       final CharSequence[] entryvalues = new CharSequence[dicts.size()];
-
-       for(int i = 0; i < entries.length; ++i)
-       {
-               entries[i] = dicts.get(i).dictInfo;
-               entryvalues[i] = dicts.get(i).uncompressedFilename;
-       }
-       
-       defaultDic.setEntries(entries);
-       defaultDic.setEntryValues(entryvalues);
-  }
-
-  @Override
-  public void onContentChanged() {
-    super.onContentChanged();
-  }
+public class PreferenceActivity extends AppCompatActivity
+    implements SharedPreferences.OnSharedPreferenceChangeListener {
+
+    static boolean prefsMightHaveChanged = false;
+
+    @SuppressWarnings("deprecation")
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        DictionaryApplication.INSTANCE.init(getApplicationContext());
+        final DictionaryApplication application = DictionaryApplication.INSTANCE;
+        setTheme(application.getSelectedTheme().themeId);
+
+        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        if (prefs.getString(getString(R.string.quickdicDirectoryKey), "").equals("")) {
+            prefs.edit().putString(getString(R.string.quickdicDirectoryKey), application.getDictDir().getAbsolutePath()).commit();
+        }
+        if (prefs.getString(getString(R.string.wordListFileKey), "").equals("")) {
+            prefs.edit().putString(getString(R.string.wordListFileKey), application.getWordListFile().getAbsolutePath()).commit();
+        }
+
+        /*
+          @author Dominik Köppl Preference: select default dictionary As this
+         *         list is dynamically generated, we have to do it in this
+         *         fashion
+         */
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.preference_activity);
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        prefs.unregisterOnSharedPreferenceChangeListener(this);
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        prefs.registerOnSharedPreferenceChangeListener(this);
+    }
+
+    private String suggestedPaths(String suffix) {
+        String dirs = "";
+        String externalDir = Environment.getExternalStorageDirectory().getAbsolutePath();
+        if (new File(externalDir).canWrite())
+            dirs += "\n" + externalDir + "/quickDic" + suffix;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            File[] files = getApplicationContext().getExternalFilesDirs(null);
+            for (File f : files) {
+                if (f.canWrite())
+                    dirs += "\n" + f.getAbsolutePath() + suffix;
+            }
+        } else {
+            File efd = null;
+            try {
+                efd = getApplicationContext().getExternalFilesDir(null);
+            } catch (Exception ignored) {
+            }
+            if (efd != null) {
+                String externalFilesDir = efd.getAbsolutePath();
+                if (new File(externalFilesDir).canWrite())
+                    dirs += "\n" + externalFilesDir + suffix;
+            }
+        }
+        File fd = getApplicationContext().getFilesDir();
+        if (fd.canWrite())
+            dirs += "\n" + fd.getAbsolutePath() + suffix;
+        return dirs;
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences p, String v) {
+        DictionaryApplication.INSTANCE.init(getApplicationContext());
+        final DictionaryApplication application = DictionaryApplication.INSTANCE;
+        File dictDir = application.getDictDir();
+        if (!dictDir.isDirectory() || !dictDir.canWrite() ||
+                !DictionaryApplication.checkFileCreate(dictDir)) {
+            String dirs = suggestedPaths("");
+            new AlertDialog.Builder(this).setTitle(getString(R.string.error))
+            .setMessage(getString(R.string.chosenNotWritable) + dirs)
+            .setNeutralButton("Close", null).show();
+        }
+        File wordlist = application.getWordListFile();
+        boolean ok = false;
+        try {
+            ok = wordlist.canWrite() || wordlist.createNewFile();
+        } catch (Exception ignored) {
+        }
+        if (!ok) {
+            String dirs = suggestedPaths("/wordList.txt");
+            new AlertDialog.Builder(this).setTitle(getString(R.string.error))
+            .setMessage(getString(R.string.chosenNotWritable) + dirs)
+            .setNeutralButton("Close", null).show();
+        }
+    }
 }