Android Open Source - downtown Share Helper

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.dklisiaris.downtown.helper;
/*from  ww  w .  j  ava2  s  .  c  om*/
import org.dklisiaris.downtown.R;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.http.protocol.HTTP;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.os.Build;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

/**
 * Class with share responsibilities.
 * Provides a lot of sharing options and can
 * share different content depending on share choice.
 * @author meec 
 */
public class ShareHelper implements AdapterView.OnItemClickListener {
    private static final String TAG = ShareHelper.class.getSimpleName();

    private Activity mContext;
    private Dialog mDialog;
    private LayoutInflater mInflater;
    private GridView mGrid;


private ShareIntentAdapter mAdapter;
private int mMaxColumns;

private List<ResolveInfo> plainTextActivities;
private Set<String> htmlActivitiesPackages;

private String subject;
private String textbody;
private CharSequence htmlbody;
private String twitterBody;
private String facebookBody;

public ShareHelper(Activity context, String subject, String textbody, CharSequence htmlbody, String twitterBody, String facebookBody) {
    this.mContext = context;

    this.subject = subject;
    this.textbody = textbody;
    this.htmlbody = htmlbody;
    this.twitterBody = twitterBody;
    this.facebookBody = facebookBody;
}

@SuppressLint("NewApi")
public void share() {

    this.mInflater = LayoutInflater.from(mContext);

    final Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);

    sendIntent.setType(HTTP.PLAIN_TEXT_TYPE);
    plainTextActivities = mContext.getPackageManager().queryIntentActivities(sendIntent, 0);

    if (plainTextActivities.size() > 0) { 
        htmlActivitiesPackages = new HashSet<String>();
        sendIntent.setType("text/html");
        final List<ResolveInfo> htmlActivities = mContext.getPackageManager().queryIntentActivities(sendIntent, 0);
        for (ResolveInfo resolveInfo : htmlActivities) {
            htmlActivitiesPackages.add(resolveInfo.activityInfo.packageName);
        }

        mAdapter = new ShareIntentAdapter();

        final View chooserView = mInflater.inflate(R.layout.dialog_share_us_chooser, null);
        mGrid = (GridView) chooserView.findViewById(R.id.resolver_grid);
        mGrid.setAdapter(mAdapter);
        mGrid.setOnItemClickListener(this);

        mMaxColumns = 3;
        mGrid.setNumColumns(Math.min(plainTextActivities.size(), mMaxColumns));

        AlertDialog.Builder builder;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            builder = new AlertDialog.Builder(mContext, AlertDialog.THEME_DEVICE_DEFAULT_LIGHT);
        } else {
            builder = new AlertDialog.Builder(mContext);
        }
        builder.setTitle("Share");
        builder.setView(chooserView);

        mDialog = builder.create();
        mDialog.show();
    } else {
        Toast.makeText(mContext, "No social apps installed to share ChurchLink!", Toast.LENGTH_LONG).show();
    }
}

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

    ResolveInfo info = (ResolveInfo) mAdapter.getItem(position);

    Intent intent = new Intent(android.content.Intent.ACTION_SEND);
    intent.setClassName(info.activityInfo.packageName, info.activityInfo.name);
    intent.setType("text/plain");
    intent.putExtra(Intent.EXTRA_TITLE, subject);
    intent.putExtra(Intent.EXTRA_SUBJECT, subject);

    if (info.activityInfo.packageName.contains("facebook")) {
        intent.putExtra(Intent.EXTRA_TEXT, facebookBody);

    } else if (info.activityInfo.packageName.contains("twitter")) {
        intent.putExtra(Intent.EXTRA_TEXT, twitterBody);

    } else if (htmlActivitiesPackages.contains(info.activityInfo.packageName)) {
        intent.putExtra(Intent.EXTRA_TEXT, htmlbody);

    } else {
        intent.putExtra(Intent.EXTRA_TEXT, textbody);
    }
    Log.d(TAG, info.activityInfo.packageName);
    ((Activity) mContext).startActivity(intent);

    mDialog.dismiss();
}

public class ShareIntentAdapter extends BaseAdapter {

    public ShareIntentAdapter() {
        super();
    }

    @Override
    public int getCount() {
        return plainTextActivities != null? plainTextActivities.size() : 0;
    }

    @Override
    public ResolveInfo getItem(int position) {
        return plainTextActivities.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View view;
        if (convertView == null) {
            view = mInflater.inflate(R.layout.griditem_share_us, parent, false);
        } else {
            view = convertView;
        }
        bindView(view, plainTextActivities.get(position));
        return view;
    }

    private final void bindView(View view, ResolveInfo info) {
        TextView text = (TextView)view.findViewById(android.R.id.text1);
        ImageView icon = (ImageView)view.findViewById(android.R.id.icon);

        text.setText(info.activityInfo.applicationInfo.loadLabel(mContext.getPackageManager()).toString());
        icon.setImageDrawable(info.activityInfo.applicationInfo.loadIcon(mContext.getPackageManager()));
    }
}
}

Java Source Code List

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