Android SDCard操作-3

    public static Intent getVideoFileIntent(String param)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        intent.putExtra("oneshot", 0);
        intent.putExtra("configchange", 0);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "video/*");
        return intent;
    }
    public static Intent getAudioFileIntent(String param)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        intent.putExtra("oneshot", 0);
        intent.putExtra("configchange", 0);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "audio/*");
        return intent;
    }
      
    public static Intent getHtmlFileIntent(String param)
    {
       
        Uri uri = Uri.parse(param)
                .buildUpon()
                .encodedAuthority("com.android.htmlfileprovider")
                .scheme("content")
                .encodedPath(param)
                .build();
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.setDataAndType(uri, "text/html");
        return intent;
    }
   
    public static Intent getImageFileIntent(String param)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addCategory("android.intent.category.DEFAULT");
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "image/*");
        return intent;
    }
     
    public static Intent getPptFileIntent(String param)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addCategory("android.intent.category.DEFAULT");
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "application/vnd.ms-powerpoint");
        return intent;
    }
      
    public static Intent getExcelFileIntent(String param)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addCategory("android.intent.category.DEFAULT");
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "application/vnd.ms-excel");
        return intent;
    }
     
    public static Intent getWordFileIntent(String param)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addCategory("android.intent.category.DEFAULT");
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "application/msword");
        return intent;
    }
    
    public static Intent getChmFileIntent(String param)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addCategory("android.intent.category.DEFAULT");
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "application/x-chm");
        return intent;
    } 
    public static Intent getTextFileIntent(String param, boolean paramBoolean)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addCategory("android.intent.category.DEFAULT");
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        if (paramBoolean)
        {
            Uri uri1 = Uri.parse(param);
            intent.setDataAndType(uri1, "text/plain");
        }
        else
        {
            Uri uri2 = Uri.fromFile(new File(param));
            intent.setDataAndType(uri2, "text/plain");
        }
        return intent;
    }
       private static Intent getApkFileIntent(String filePath) {
Intent intent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
Uri uri = Uri.fromFile(new File(filePath));
intent.setDataAndType(uri,
"application/vnd.android.package-archive");
return intent;
}

    public static Intent getPdfFileIntent(String param)
    {
       
        Intent intent = new Intent("android.intent.action.VIEW");
        intent.addCategory("android.intent.category.DEFAULT");
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "application/pdf");
        return intent;
    }