Answer of Q1:
Use this method for finding the default package.
public static String getDefaultSmsAppPackageName(Context context) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
return Telephony.Sms.getDefaultSmsPackage(context);
else {
Intent intent = new Intent(Intent.ACTION_VIEW)
.addCategory(Intent.CATEGORY_DEFAULT).setType("vnd.android-dir/mms-sms");
final List<ResolveInfo> resolveInfos = context.getPackageManager().queryIntentActivities(intent, 0);
if (resolveInfos != null && !resolveInfos.isEmpty())
return resolveInfos.get(0).activityInfo.packageName;
return null;
}
}
Answer of Q2:
List<Intent> targetedShareIntents = new ArrayList<Intent>();
Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
shareIntent.setType("text/plain");
List<ResolveInfo> resInfo = getPackageManager().queryIntentActivities(shareIntent, 0);
if (!resInfo.isEmpty()) {
for (ResolveInfo resolveInfo : resInfo) {
String packageName = resolveInfo.activityInfo.packageName;
Intent targetedShareIntent = new Intent(android.content.Intent.ACTION_SEND);
targetedShareIntent.setType("text/plain");
targetedShareIntent.putExtra(android.content.Intent.EXTRA_TEXT, "text message to shared");
targetedShareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "subject to be shared");
if (packageName.contains(getDefaultSmsAppPackageName(context))||packageName.contains("com.whatsapp")) {
targetedShareIntent.setPackage(packageName);
targetedShareIntents.add(targetedShareIntent);
}
}
Intent chooserIntent = Intent.createChooser(targetedShareIntents.remove(0), "Select app to share");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, targetedShareIntents.toArray(new Parcelable[targetedShareIntents.size()]));
startActivity(chooserIntent);