Live updates

app/src/main/java/org/fdroid/fdroid/views/LiveSeekBarPreference.java

@@ -0,0 +1,77 @@
+package org.fdroid.fdroid.views;
+
+import android.content.Context;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.support.v7.preference.SeekBarPreference;
+import android.util.AttributeSet;
+import android.widget.SeekBar;
+import org.fdroid.fdroid.R;
+
+public class LiveSeekBarPreference extends SeekBarPreference {
+    private Runnable progressChangedListener;
+    private boolean trackingTouch;
+    private int value = -1;
+
+    @SuppressWarnings("unused")
+    public LiveSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    @SuppressWarnings("unused")
+    public LiveSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @SuppressWarnings("unused")
+    public LiveSeekBarPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @SuppressWarnings("unused")
+    public LiveSeekBarPreference(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+
+        SeekBar seekbar = holder.itemView.findViewById(R.id.seekbar);
+        seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                value = progress;
+                if (progressChangedListener != null) {
+                    progressChangedListener.run();
+                }
+                value = progress;
+                if (fromUser && !trackingTouch) {
+                    persistInt(value);
+                }
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+                trackingTouch = true;
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+                trackingTouch = false;
+                persistInt(value);
+            }
+        });
+        seekbar.setProgress(value);
+    }
+
+    public int getValue() {
+        if (value == -1) {
+            value = super.getValue();
+        }
+        return value;
+    }
+
+    public void setProgressChangedListener(Runnable listener) {
+        progressChangedListener = listener;
+    }
+}

app/src/main/java/org/fdroid/fdroid/views/fragments/PreferencesFragment.java

@@ -53,6 +53,7 @@ import org.fdroid.fdroid.Utils;
 import org.fdroid.fdroid.data.RepoProvider;
 import org.fdroid.fdroid.installer.InstallHistoryService;
 import org.fdroid.fdroid.installer.PrivilegedInstaller;
+import org.fdroid.fdroid.views.LiveSeekBarPreference;
 
 public class PreferencesFragment extends PreferenceFragment
         implements SharedPreferences.OnSharedPreferenceChangeListener {
@@ -90,9 +91,9 @@ public class PreferencesFragment extends PreferenceFragment
 
     private static final int REQUEST_INSTALL_ORBOT = 0x1234;
 
-    private SeekBarPreference overWifiSeekBar;
+    private LiveSeekBarPreference overWifiSeekBar;
-    private SeekBarPreference overDataSeekBar;
+    private LiveSeekBarPreference overDataSeekBar;
-    private SeekBarPreference updateIntervalSeekBar;
+    private LiveSeekBarPreference updateIntervalSeekBar;
     private SwitchPreference enableProxyCheckPref;
     private SwitchPreference useTorCheckPref;
     private Preference updateAutoDownloadPref;
@@ -113,12 +114,30 @@ public class PreferencesFragment extends PreferenceFragment
         updateAutoDownloadPref = findPreference(Preferences.PREF_AUTO_DOWNLOAD_INSTALL_UPDATES);
         updatePrivilegedExtensionPref = findPreference(Preferences.PREF_UNINSTALL_PRIVILEGED_APP);
 
-        overWifiSeekBar = (SeekBarPreference) findPreference(Preferences.PREF_OVER_WIFI);
+        overWifiSeekBar = (LiveSeekBarPreference) findPreference(Preferences.PREF_OVER_WIFI);
         overWifiPrevious = overWifiSeekBar.getValue();
-        overDataSeekBar = (SeekBarPreference) findPreference(Preferences.PREF_OVER_DATA);
+        overWifiSeekBar.setProgressChangedListener(new Runnable() {
+            @Override
+            public void run() {
+                updateSummary(overWifiSeekBar.getKey(), false);
+            }
+        });
+        overDataSeekBar = (LiveSeekBarPreference) findPreference(Preferences.PREF_OVER_DATA);
         overDataPrevious = overDataSeekBar.getValue();
-        updateIntervalSeekBar = (SeekBarPreference) findPreference(Preferences.PREF_UPDATE_INTERVAL);
+        overDataSeekBar.setProgressChangedListener(new Runnable() {
+            @Override
+            public void run() {
+                updateSummary(overDataSeekBar.getKey(), false);
+            }
+        });
+        updateIntervalSeekBar = (LiveSeekBarPreference) findPreference(Preferences.PREF_UPDATE_INTERVAL);
         updateIntervalPrevious = updateIntervalSeekBar.getValue();
+        updateIntervalSeekBar.setProgressChangedListener(new Runnable() {
+            @Override
+            public void run() {
+                updateSummary(updateIntervalSeekBar.getKey(), false);
+            }
+        });
 
         ListPreference languagePref = (ListPreference) findPreference(Preferences.PREF_LANGUAGE);
         if (Build.VERSION.SDK_INT >= 24) {

app/src/main/res/xml/preferences.xml

@@ -27,11 +27,11 @@
     </android.support.v7.preference.PreferenceCategory>
 
     <android.support.v7.preference.PreferenceCategory android:title="@string/updates">
-        <android.support.v7.preference.SeekBarPreference
+        <org.fdroid.fdroid.views.LiveSeekBarPreference
                 android:key="overWifi"
                 android:title="@string/over_wifi"
                 android:layout="@layout/preference_seekbar"/>
-        <android.support.v7.preference.SeekBarPreference
+        <org.fdroid.fdroid.views.LiveSeekBarPreference
                 android:key="overData"
                 android:title="@string/over_data"
                 android:layout="@layout/preference_seekbar"/>
@@ -40,7 +40,7 @@
                 android:summary="@string/update_auto_download_summary"
                 android:defaultValue="false"
                 android:key="updateAutoDownload"/>
-        <android.support.v7.preference.SeekBarPreference
+        <org.fdroid.fdroid.views.LiveSeekBarPreference
                 android:key="updateIntervalSeekBarPosition"
                 android:title="@string/update_interval"
                 android:layout="@layout/preference_seekbar"/>