打开微信和 QQ好友聊天界面

/**
 * 打开微信
 */
public void openWechat(){

    Intent lan = getPackageManager().getLaunchIntentForPackage("com.tencent.mm");
    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.setComponent(lan.getComponent());
    startActivity(intent);

}


/**
 * 打开并且跳转到对应好友聊天界面
 */
public void openAndjumpQQFriends (){

    String url="mqqwpa://im/chat?chat_type=wpa&uin=501863587";
    startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
}