Android调用qq聊天、qq、微信等

1.打开微信

try {
Intent intent = new Intent();
ComponentName cmp = new ComponentName("com.tencent.mm","com.tencent.mm.ui.LauncherUI");
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setComponent(cmp);
startActivityForResult(intent, 0);
} catch (Exception e) {
Toast.makeText(context, "您的手机未安装微信！", Toast.LENGTH_SHORT).show();
}

另：新浪微博：com.sina.weibo             com.sina.weibo.EditActivity

腾讯微博：com.tencent.WBlog      com.tencent.WBlog.activity.MicroblogInput

QQ:      com.tencent.mobileqq com.tencent.mobileqq.activity.HomeActivity

2.调用QQ聊天

1. String qq="111111";（这里写要调用的QQ号）
2. String url="mqqwpa://im/chat?chat_type=wpa&uin="+qq;  
3. startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));