安卓：分享txt文件到QQ

水一期文章

點擊事件

 File f = new File(Environment.getExternalStorageDirectory() + File.separator + "OwlDatabase" + File.separator + Filename);
ShareUtils.shareQQFriend(MainActivity.this,f,Filename);                 

函數：

    public static void shareQQFriend(Context mContext, File picFile,String Filename) {
        if (isInstallApp(mContext, ShareUtils.PACKAGE_MOBILE_QQ)) {
            Intent intent = new Intent();
            intent.setPackage(PACKAGE_MOBILE_QQ);
            intent.setAction(Intent.ACTION_SEND);
              String type="*/*";
            for (int i = 0; i < MATCH_ARRAY.length; i++) {
                //判斷文件的格式
                if (picFile.getAbsolutePath().toString().contains(MATCH_ARRAY[i][0].toString())) {
                    type = MATCH_ARRAY[i][1];
                    break;
                }
            }
            intent.setType(type);
            Uri uri = null;
            if (picFile != null) {
                try {
                    ApplicationInfo applicationInfo = mContext.getApplicationInfo();
                    int targetSDK = applicationInfo.targetSdkVersion;
                    if (targetSDK >= Build.VERSION_CODES.N && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {

                        uri = getContentUri(mContext, new File(Environment.getExternalStorageDirectory() + File.separator + "OwlDatabase" + File.separator + Filename));

                        //uri = FileProvider.getUriForFile(mContext, mContext.getApplicationContext().getPackageName() + ".fileprovider", picFile);
                    } else {
                        uri = Uri.fromFile(picFile);
                    }
                    intent.putExtra(Intent.EXTRA_STREAM, uri);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            mContext.startActivity(Intent.createChooser(intent, "離線文件分享"));
        } else {
            Toast.makeText(mContext, "您需要安裝騰訊QQ客戶端", Toast.LENGTH_LONG).show();
        }
    }

相關變量

    public static final String PACKAGE_MOBILE_QQ = "com.tencent.mobileqq";

建立一個文件類型與文件後綴名的匹配表

    private static final String[][] MATCH_ARRAY = {
            //{後綴名，    文件類型}
            {".3gp", "video/3gpp"},
            {".apk", "application/vnd.android.package-archive"},
            {".asf", "video/x-ms-asf"},
            {".avi", "video/x-msvideo"},
            {".bin", "application/octet-stream"},
            {".bmp", "image/bmp"},
            {".c", "text/plain"},
            {".class", "application/octet-stream"},
            {".conf", "text/plain"},
            {".cpp", "text/plain"},
            {".doc", "application/msword"},
            {".exe", "application/octet-stream"},
            {".gif", "image/gif"},
            {".gtar", "application/x-gtar"},
            {".gz", "application/x-gzip"},
            {".h", "text/plain"},
            {".htm", "text/html"},
            {".html", "text/html"},
            {".jar", "application/java-archive"},
            {".java", "text/plain"},
            {".jpeg", "image/jpeg"},
            {".jpg", "image/jpeg"},
            {".js", "application/x-javascript"},
            {".log", "text/plain"},
            {".m3u", "audio/x-mpegurl"},
            {".m4a", "audio/mp4a-latm"},
            {".m4b", "audio/mp4a-latm"},
            {".m4p", "audio/mp4a-latm"},
            {".m4u", "video/vnd.mpegurl"},
            {".m4v", "video/x-m4v"},
            {".mov", "video/quicktime"},
            {".mp2", "audio/x-mpeg"},
            {".mp3", "audio/x-mpeg"},
            {".mp4", "video/mp4"},
            {".mpc", "application/vnd.mpohun.certificate"},
            {".mpe", "video/mpeg"},
            {".mpeg", "video/mpeg"},
            {".mpg", "video/mpeg"},
            {".mpg4", "video/mp4"},
            {".mpga", "audio/mpeg"},
            {".msg", "application/vnd.ms-outlook"},
            {".ogg", "audio/ogg"},
            {".pdf", "application/pdf"},
            {".png", "image/png"},
            {".pps", "application/vnd.ms-powerpoint"},
            {".ppt", "application/vnd.ms-powerpoint"},
            {".prop", "text/plain"},
            {".rar", "application/x-rar-compressed"},
            {".rc", "text/plain"},
            {".rmvb", "audio/x-pn-realaudio"},
            {".rtf", "application/rtf"},
            {".sh", "text/plain"},
            {".tar", "application/x-tar"},
            {".tgz", "application/x-compressed"},
            {".txt", "text/plain"},
            {".wav", "audio/x-wav"},
            {".wma", "audio/x-ms-wma"},
            {".wmv", "audio/x-ms-wmv"},
            {".wps", "application/vnd.ms-works"},
            {".xml", "text/plain"},
            {".z", "application/x-compress"},
            {".zip", "application/zip"},
            {"", "*/*"}
    };

清單文件

    <!-- SD卡讀寫的權限 -->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

        <provider
            android:name="android.support.v4.content.FileProvider"
            android:authorities="cc.booku.owlbox.FileProvider"
            android:exported="false"
            android:grantUriPermissions="true">
            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/file_paths" />
        </provider>

file_paths文件

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <paths>
        <external-path name="external_files" path="OwlDatabase"/>
    </paths>
</resources>

end~