am 6d3e900c: am 1cb267ae: Enhance change default SMS app dialog to show list of apps

* commit '6d3e900c3dce4c6277505edb07c0a66f7a1d6bee':
  Enhance change default SMS app dialog to show list of apps

src/com/android/settings/SmsDefaultDialog.java

@@ -20,19 +20,30 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.provider.Telephony.Sms.Intents;
 import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
 
 import com.android.internal.app.AlertActivity;
 import com.android.internal.app.AlertController;
 import com.android.internal.telephony.SmsApplication;
 import com.android.internal.telephony.SmsApplication.SmsApplicationData;
-import com.android.settings.R;
+
+import java.util.ArrayList;
+import java.util.List;
 
 public final class SmsDefaultDialog extends AlertActivity implements
         DialogInterface.OnClickListener {
-    private ComponentName mNewDefault;
     private SmsApplicationData mNewSmsApplicationData;
 
     @Override
@@ -57,6 +68,18 @@ public final class SmsDefaultDialog extends AlertActivity implements
                 break;
             case BUTTON_NEGATIVE:
                 break;
+            default:
+                if (which >= 0) {
+                    AppListAdapter adapter = (AppListAdapter) mAlertParams.mAdapter;
+                    if (!adapter.isSelected(which)) {
+                        String packageName = adapter.getPackageName(which);
+                        if (!TextUtils.isEmpty(packageName)) {
+                            SmsApplication.setDefaultApplication(packageName, this);
+                            setResult(RESULT_OK);
+                        }
+                    }
+                }
+                break;
         }
     }
 
@@ -66,25 +89,24 @@ public final class SmsDefaultDialog extends AlertActivity implements
             // No phone, no SMS
             return false;
         }
-
+        final AlertController.AlertParams p = mAlertParams;
+        p.mTitle = getString(R.string.sms_change_default_dialog_title);
         mNewSmsApplicationData = SmsApplication.getSmsApplicationData(packageName, this);
-        if (mNewSmsApplicationData == null) {
+        if (mNewSmsApplicationData != null) {
-            return false;
+            // New default SMS app specified, change to that directly after the confirmation
-        }
+            // dialog.
-
             SmsApplicationData oldSmsApplicationData = null;
             ComponentName oldSmsComponent = SmsApplication.getDefaultSmsApplication(this, true);
             if (oldSmsComponent != null) {
-            oldSmsApplicationData =
+                oldSmsApplicationData = SmsApplication.getSmsApplicationData(
-                    SmsApplication.getSmsApplicationData(oldSmsComponent.getPackageName(), this);
+                        oldSmsComponent.getPackageName(), this);
-            if (oldSmsApplicationData.mPackageName.equals(mNewSmsApplicationData.mPackageName)) {
+                if (oldSmsApplicationData.mPackageName.equals(
+                        mNewSmsApplicationData.mPackageName)) {
                     return false;
                 }
             }
 
             // Compose dialog; get
-        final AlertController.AlertParams p = mAlertParams;
-        p.mTitle = getString(R.string.sms_change_default_dialog_title);
             if (oldSmsApplicationData != null) {
                 p.mMessage = getString(R.string.sms_change_default_dialog_text,
                         mNewSmsApplicationData.mApplicationName,
@@ -97,8 +119,147 @@ public final class SmsDefaultDialog extends AlertActivity implements
             p.mNegativeButtonText = getString(R.string.no);
             p.mPositiveButtonListener = this;
             p.mNegativeButtonListener = this;
+        } else {
+            // No new default SMS app specified, show a list of all SMS apps and let user to pick
+            p.mAdapter = new AppListAdapter();
+            p.mOnClickListener = this;
+            p.mNegativeButtonText = getString(R.string.cancel);
+            p.mNegativeButtonListener = this;
+        }
         setupAlert();
 
         return true;
     }
+
+    /**
+     * The list of SMS apps with label, icon. Current default SMS app is marked as "default".
+     */
+    private class AppListAdapter extends BaseAdapter {
+        /**
+         * SMS app item in the list
+         */
+        private class Item {
+            final String label;         // app label
+            final Drawable icon;        // app icon
+            final String packgeName;    // full app package name
+
+            public Item(String label, Drawable icon, String packageName) {
+                this.label = label;
+                this.icon = icon;
+                this.packgeName = packageName;
+            }
+        }
+
+        // The list
+        private final List<Item> mItems;
+        // The index of selected
+        private final int mSelectedIndex;
+
+        public AppListAdapter() {
+            mItems = getItems();
+            int selected = getSelectedIndex();
+            // Move selected up to the top so it is easy to find
+            if (selected > 0) {
+                Item item = mItems.remove(selected);
+                mItems.add(0, item);
+                selected = 0;
+            }
+            mSelectedIndex = selected;
+        }
+
+        @Override
+        public int getCount() {
+            return mItems != null ? mItems.size() : 0;
+        }
+
+        @Override
+        public Object getItem(int position) {
+            return mItems != null && position < mItems.size() ? mItems.get(position) : null;
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return position;
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            Item item = ((Item) getItem(position));
+            LayoutInflater inflater = getLayoutInflater();
+            View view = inflater.inflate(R.layout.app_preference_item, parent, false);
+            TextView textView = (TextView) view.findViewById(R.id.app_label);
+            textView.setText(item.label);
+            if (position == mSelectedIndex) {
+                view.findViewById(R.id.default_label).setVisibility(View.VISIBLE);
+            } else {
+                view.findViewById(R.id.default_label).setVisibility(View.GONE);
+            }
+            ImageView imageView = (ImageView)view.findViewById(R.id.app_image);
+            imageView.setImageDrawable(item.icon);
+            return view;
+        }
+
+        /**
+         * Get the selected package name by
+         *
+         * @param position the index of the item in the list
+         * @return the package name of selected item
+         */
+        public String getPackageName(int position) {
+            Item item = (Item) getItem(position);
+            if (item != null) {
+                return item.packgeName;
+            }
+            return null;
+        }
+
+        /**
+         * Check if an item at a position is already selected
+         *
+         * @param position the index of the item in the list
+         * @return true if the item at the position is already selected, false otherwise
+         */
+        public boolean isSelected(int position) {
+            return position == mSelectedIndex;
+        }
+
+        // Get the list items by looking for SMS apps
+        private List<Item> getItems() {
+            PackageManager pm = getPackageManager();
+            List<Item> items = new ArrayList<>();
+            for (SmsApplication.SmsApplicationData app :
+                    SmsApplication.getApplicationCollection(SmsDefaultDialog.this)) {
+                try {
+                    String packageName = app.mPackageName;
+                    ApplicationInfo appInfo = pm.getApplicationInfo(packageName, 0/*flags*/);
+                    if (appInfo != null) {
+                        items.add(new Item(
+                                appInfo.loadLabel(pm).toString(),
+                                appInfo.loadIcon(pm),
+                                packageName));
+                    }
+                } catch (PackageManager.NameNotFoundException e) {
+                    // Ignore package can't be found
+                }
+            }
+            return items;
+        }
+
+        // Get the selected item index by looking for the current default SMS app
+        private int getSelectedIndex() {
+            ComponentName appName = SmsApplication.getDefaultSmsApplication(
+                    SmsDefaultDialog.this, true);
+            if (appName != null) {
+                String defaultSmsAppPackageName = appName.getPackageName();
+                if (!TextUtils.isEmpty(defaultSmsAppPackageName)) {
+                    for (int i = 0; i < mItems.size(); i++) {
+                        if (TextUtils.equals(mItems.get(i).packgeName, defaultSmsAppPackageName)) {
+                            return i;
+                        }
+                    }
+                }
+            }
+            return -1;
+        }
+    }
 }