package com.example.programmer.twitter;

import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private static final String TAG = "" ;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        shareTwitter("tes");
    }

    private void shareTwitter(String message) {
        Intent tweetIntent = new Intent(Intent.ACTION_SEND);
        tweetIntent.putExtra(Intent.EXTRA_TEXT, "This is a Test.");
        tweetIntent.setType("text/plain");

        PackageManager packManager = getPackageManager();
        List<ResolveInfo> resolvedInfoList = packManager.queryIntentActivities(tweetIntent, PackageManager.MATCH_DEFAULT_ONLY);

        boolean resolved = false;
        for (ResolveInfo resolveInfo : resolvedInfoList) {
            if (resolveInfo.activityInfo.packageName.startsWith("com.twitter.android")) {
                tweetIntent.setClassName(
                        resolveInfo.activityInfo.packageName,
                        resolveInfo.activityInfo.name);
                resolved = true;
                break;
            }
        }
        if (resolved) {
            startActivity(tweetIntent);
        } else {
            Intent i = new Intent();
            i.putExtra(Intent.EXTRA_TEXT, message);
            i.setAction(Intent.ACTION_VIEW);
            i.setData(Uri.parse("https://twitter.com/intent/tweet?text=" + urlEncode(message)));
            startActivity(i);
            Toast.makeText(this, "Twitter app isn't found", Toast.LENGTH_LONG).show();
        }
    }

    private String urlEncode(String s) {
        try {
            return URLEncoder.encode(s, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            Log.wtf(TAG, "UTF-8 should always be supported", e);
            return "";
        }
    }
}