9.1筆記，系統分享，Fragment not attached to Activity

痛定思痛。 2022-08-04 14:42 155阅读 0赞

# 不用sdk，用系統自帶分享功能 #

[http://ju.outofmemory.cn/entry/172831][http_ju.outofmemory.cn_entry_172831]

package zivixgroup.com.skilltemp.utils;
    
    import android.app.Activity;
    import android.content.ComponentName;
    import android.content.Intent;
    import android.net.Uri;
    
    import java.io.File;
    
    import zivixgroup.com.skilltemp.Config.PushCode;
    import zivixgroup.com.skilltemp.R;
    
    /** * Created by george.yang on 2015/8/31. */
    public class ShareUtil { 
        public static boolean shareToEmail (Activity activity,String subject,String content) {
            try {
                Intent email = new Intent(android.content.Intent.ACTION_SEND);
                email.setType("plain/text");
                //i.setType("message/rfc822");
                //邮件主题
                email.putExtra(android.content.Intent.EXTRA_SUBJECT, subject);
                //邮件内容
                email.putExtra(android.content.Intent.EXTRA_TEXT, content);
    
                //请选择邮件发送内容
                activity.startActivityForResult(Intent.createChooser(email, activity.getString(R.string.ChooseSendType)), PushCode.share_email);
            } catch (Exception e) {
                return false;
            }
            return true;
        }
    
        /** * 发短信 */
        public static   boolean  sendSMS(Activity activity,String content){
            try {
                Uri smsToUri = Uri.parse("smsto:");
                Intent sendIntent =  new  Intent(Intent.ACTION_VIEW, smsToUri);
                //sendIntent.putExtra("address", "123456"); // 电话号码，这行去掉的话，默认就没有电话
                //短信内容
                sendIntent.putExtra( "sms_body", content);
                sendIntent.setType("vnd.android-dir/mms-sms");
                activity.startActivityForResult(sendIntent, PushCode.share_sms);
            } catch (Exception e) {
                return false;
            }
            return true;
        }
    
        public static boolean shareToWhatsApp (Activity activity,String content) {
            Intent whatsappIntent = new Intent(Intent.ACTION_SEND);
            whatsappIntent.setType("text/plain");
            whatsappIntent.setPackage("com.whatsapp");
            whatsappIntent.putExtra(Intent.EXTRA_TEXT, content);
            try {
                activity.startActivity(whatsappIntent);
            } catch (android.content.ActivityNotFoundException ex) {
               return false;
            }
            return true;
        }
    
        /** * 分享信息到朋友 * @param activity * @return */
        public static boolean shareToWeChatFriend (Activity activity,String content) {
            try {
                Intent intent = new Intent();
                intent.setAction(Intent.ACTION_SEND);
                intent.putExtra(Intent.EXTRA_TEXT, content);
                intent.setType("text/*");
    
                ComponentName componentName = new ComponentName("com.tencent.mm", "com.tencent.mm.ui.tools.ShareImgUI");
                intent.setComponent(componentName);
                activity.startActivity(intent);
            } catch (Exception e) {
                return false;
            }
            return true;
        }
    
        /** * 分享信息到朋友圈 * */
        public static boolean shareToWeChatTimeLine(Activity activity,String content) {
            try {
                Intent intent = new Intent();
                ComponentName componentName = new ComponentName("com.tencent.mm", "com.tencent.mm.ui.tools.ShareToTimeLineUI");
                intent.setComponent(componentName);
    
                intent.setAction(Intent.ACTION_SEND);
                intent.putExtra(Intent.EXTRA_TEXT, content);
                intent.setType("text/*");
                activity.startActivity(intent);
            } catch (Exception e) {
                return false;
            }
            return true;
        }
    
        /** * 分享信息到朋友圈 * * @param file，假如图片的路径为path，那么file = new File(path); */
        public static boolean shareToWeChatTimeLine(Activity activity,File file,String content) {
            try {
                Intent intent = new Intent();
                ComponentName componentName = new ComponentName("com.tencent.mm", "com.tencent.mm.ui.tools.ShareToTimeLineUI");
                intent.setComponent(componentName);
    
                intent.setAction(Intent.ACTION_SEND);
                intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));
                intent.putExtra(Intent.EXTRA_TEXT, content);
                intent.setType("image/*;text/*");
                activity.startActivity(intent);
            } catch (Exception e) {
                return false;
            }
            return true;
        }
    }

防止  
java.lang.IllegalStateException: Fragment not attached to Activity  
[http://blog.chengyunfeng.com/?p=522][http_blog.chengyunfeng.com_p_522]  
比較多人回答是判斷一下:  
isadd()

[http_ju.outofmemory.cn_entry_172831]: http://ju.outofmemory.cn/entry/172831
[http_blog.chengyunfeng.com_p_522]: http://blog.chengyunfeng.com/?p=522