Sharing.java

package net.neatapps.avi.app.util;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Build;
import android.view.View;

import net.neatapps.avi.app.R;

import java.util.List;

public class Sharing {

    public static void shareText(String textForShare, Activity activity) {
        Intent intent = new Intent(Intent.ACTION_SEND);
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
        } else {
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
        }
        intent.setType("text/plain");
        intent.putExtra(Intent.EXTRA_TEXT, textForShare);
        startShareIntent(intent, activity);
    }

    public static void shareJpegWithSubjectAndText(Activity activity, Uri imageUri, String subject, String text) {
        Intent i = new Intent(Intent.ACTION_SEND);
        i.setType("image/jpeg");
        i.putExtra(Intent.EXTRA_STREAM, imageUri);
        i.putExtra(Intent.EXTRA_SUBJECT, subject);
        i.putExtra(Intent.EXTRA_TEXT, text);

        String messageToUser = activity.getString(R.string.choose_social);
        activity.startActivity(Intent.createChooser(i, messageToUser));
    }

    public static void shareImage(Activity activity, Uri imageUri) {
        Intent i = new Intent(Intent.ACTION_SEND);
        i.putExtra(Intent.EXTRA_STREAM, imageUri);
        i.setType("image/jpeg");
        try {
            String messageToUser = activity.getString(R.string.choose_social);
            activity.startActivity(Intent.createChooser(i, messageToUser));
        } catch (android.content.ActivityNotFoundException ex) {
            Utils.complain("Problem with sharing: ActivityNotFoundException", activity);
        }
    }

    public static void shareToTwitter(Uri imageUri, View v) {   // Need be checked
        Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
        shareIntent.setType("text/plain");
        shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, (String) v.getTag(R.string.app_name));
        shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, (String) v.getTag(R.mipmap.ic_launcher));
        shareIntent.putExtra(Intent.EXTRA_STREAM, imageUri);

        PackageManager pm = v.getContext().getPackageManager();
        List<ResolveInfo> activityList = pm.queryIntentActivities(shareIntent, 0);
        for (final ResolveInfo app : activityList) {
            if ("com.twitter.android.PostActivity".equals(app.activityInfo.name)) {
                final ActivityInfo activity = app.activityInfo;
                final ComponentName name = new ComponentName(activity.applicationInfo.packageName, activity.name);
                shareIntent.addCategory(Intent.CATEGORY_LAUNCHER);
                shareIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
                shareIntent.setComponent(name);
                v.getContext().startActivity(shareIntent);
                break;
            }
        }
    }

    public static void shareToWhatsapp(Uri imageUri, View v) {   // Need be checked
        Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
        shareIntent.setType("text/html");
        shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, (String) v.getTag(R.string.app_name));
        shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, (String) v.getTag(R.mipmap.ic_launcher));
        shareIntent.putExtra(Intent.EXTRA_STREAM, imageUri);

        PackageManager pm = v.getContext().getPackageManager();
        List<ResolveInfo> activityList = pm.queryIntentActivities(shareIntent, 0);
        for (final ResolveInfo app : activityList) {
            if ((app.activityInfo.name).contains("com.whatsapp")) {
                final ActivityInfo activity = app.activityInfo;
                final ComponentName name = new ComponentName(
                        activity.applicationInfo.packageName, activity.name);
                shareIntent.addCategory(Intent.CATEGORY_LAUNCHER);
                shareIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
                        | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
                shareIntent.setComponent(name);
                v.getContext().startActivity(shareIntent);
                break;
            }
        }
    }

    private static void startShareIntent(Intent launchIntent, Activity activity) {
        if (launchIntent != null) {
            final String action = launchIntent.getAction();
            if (Intent.ACTION_SEND.equals(action) || Intent.ACTION_SEND_MULTIPLE.equals(action)) {
                if (Build.VERSION.SDK_INT >= 21) {
                    // If we're on Lollipop, we can open the intent as a document
                    launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
                } else {
                    // Else, we will use the old CLEAR_WHEN_TASK_RESET flag
                    launchIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
                }
            }
            activity.startActivity(launchIntent);
        }
    }

}