src/com/android/settings/SmsDefaultDialog.java - platform/packages/apps/Settings - Git at Google

 /*
  * Copyright (C) 2013 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.settings;

 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 java.util.ArrayList;
 import java.util.List;

 public final class SmsDefaultDialog extends AlertActivity implements
         DialogInterface.OnClickListener {
     private SmsApplicationData mNewSmsApplicationData;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         Intent intent = getIntent();
         String packageName = intent.getStringExtra(Intents.EXTRA_PACKAGE_NAME);

         setResult(RESULT_CANCELED);
         if (!buildDialog(packageName)) {
             finish();
         }
     }

     @Override
     public void onClick(DialogInterface dialog, int which) {
         switch (which) {
             case BUTTON_POSITIVE:
                 SmsApplication.setDefaultApplication(mNewSmsApplicationData.mPackageName, this);
                 setResult(RESULT_OK);
                 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;
         }
     }

     private boolean buildDialog(String packageName) {
         TelephonyManager tm = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
         if (!tm.isSmsCapable()) {
             // 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) {
             // 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 = SmsApplication.getSmsApplicationData(
                         oldSmsComponent.getPackageName(), this);
                 if (oldSmsApplicationData.mPackageName.equals(
                         mNewSmsApplicationData.mPackageName)) {
                     return false;
                 }
             }

             // Compose dialog; get
             if (oldSmsApplicationData != null) {
                 p.mMessage = getString(R.string.sms_change_default_dialog_text,
                         mNewSmsApplicationData.getApplicationName(this),
                         oldSmsApplicationData.getApplicationName(this));
             } else {
                 p.mMessage = getString(R.string.sms_change_default_no_previous_dialog_text,
                         mNewSmsApplicationData.getApplicationName(this));
             }
             p.mPositiveButtonText = getString(R.string.yes);
             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(android.R.id.title);
             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(android.R.id.icon);
             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;
         }
     }
 }
	/*
	* Copyright (C) 2013 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.settings;

	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 java.util.ArrayList;
	import java.util.List;

	public final class SmsDefaultDialog extends AlertActivity implements
	DialogInterface.OnClickListener {
	private SmsApplicationData mNewSmsApplicationData;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	Intent intent = getIntent();
	String packageName = intent.getStringExtra(Intents.EXTRA_PACKAGE_NAME);

	setResult(RESULT_CANCELED);
	if (!buildDialog(packageName)) {
	finish();
	}
	}

	@Override
	public void onClick(DialogInterface dialog, int which) {
	switch (which) {
	case BUTTON_POSITIVE:
	SmsApplication.setDefaultApplication(mNewSmsApplicationData.mPackageName, this);
	setResult(RESULT_OK);
	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;
	}
	}

	private boolean buildDialog(String packageName) {
	TelephonyManager tm = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
	if (!tm.isSmsCapable()) {
	// 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) {
	// 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 = SmsApplication.getSmsApplicationData(
	oldSmsComponent.getPackageName(), this);
	if (oldSmsApplicationData.mPackageName.equals(
	mNewSmsApplicationData.mPackageName)) {
	return false;
	}
	}

	// Compose dialog; get
	if (oldSmsApplicationData != null) {
	p.mMessage = getString(R.string.sms_change_default_dialog_text,
	mNewSmsApplicationData.getApplicationName(this),
	oldSmsApplicationData.getApplicationName(this));
	} else {
	p.mMessage = getString(R.string.sms_change_default_no_previous_dialog_text,
	mNewSmsApplicationData.getApplicationName(this));
	}
	p.mPositiveButtonText = getString(R.string.yes);
	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(android.R.id.title);
	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(android.R.id.icon);
	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;
	}
	}
	}