Android打开各种类型的文件方法总结

public static Intent openFile(String filePath){ 
   
        File file = new File(filePath); 
        if(!file.exists()) return null; 
        /* 取得扩展名 */ 
        String end=file.getName().substring(file.getName().lastIndexOf(".") + 1,file.getName().length()).toLowerCase();  
        /* 依扩展名的类型决定MimeType */ 
        if(end.equals("m4a")||end.equals("mp3")||end.equals("mid")|| 
                end.equals("xmf")||end.equals("ogg")||end.equals("wav")){ 
            return getAudioFileIntent(filePath); 
        }else if(end.equals("3gp")||end.equals("mp4")){ 
            return getAudioFileIntent(filePath); 
        }else if(end.equals("jpg")||end.equals("gif")||end.equals("png")|| 
                end.equals("jpeg")||end.equals("bmp")){ 
            return getImageFileIntent(filePath); 
        }else if(end.equals("apk")){ 
            return getApkFileIntent(filePath); 
        }else if(end.equals("ppt")){ 
            return getPptFileIntent(filePath); 
        }else if(end.equals("xls")){ 
            return getExcelFileIntent(filePath); 
        }else if(end.equals("doc")){ 
            return getWordFileIntent(filePath); 
        }else if(end.equals("pdf")){ 
            return getPdfFileIntent(filePath); 
        }else if(end.equals("chm")){ 
            return getChmFileIntent(filePath); 
        }else if(end.equals("txt")){ 
            return getTextFileIntent(filePath,false); 
        }else{ 
            return getAllIntent(filePath); 
        } 
    } 
       
    //Android获取一个用于打开APK文件的intent 
    public static Intent getAllIntent( String param ) { 
   
        Intent intent = new Intent();   
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);   
        intent.setAction(android.content.Intent.ACTION_VIEW);   
        Uri uri = Uri.fromFile(new File(param )); 
        intent.setDataAndType(uri,"*/*");  
        return intent; 
    } 
    //Android获取一个用于打开APK文件的intent 
    public static Intent getApkFileIntent( String param ) { 
   
        Intent intent = new Intent();   
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);   
        intent.setAction(android.content.Intent.ACTION_VIEW);   
        Uri uri = Uri.fromFile(new File(param )); 
        intent.setDataAndType(uri,"application/vnd.android.package-archive");  
        return intent; 
    } 
   
    //Android获取一个用于打开VIDEO文件的intent 
    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; 
    } 
   
    //Android获取一个用于打开AUDIO文件的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; 
    } 
   
    //Android获取一个用于打开Html文件的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; 
    } 
   
    //Android获取一个用于打开图片文件的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; 
    } 
   
    //Android获取一个用于打开PPT文件的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;    
    }    
   
    //Android获取一个用于打开Excel文件的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;    
    }    
   
    //Android获取一个用于打开Word文件的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;    
    }    
   
    //Android获取一个用于打开CHM文件的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;    
    }    
   
    //Android获取一个用于打开文本文件的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;    
    }   
    //Android获取一个用于打开PDF文件的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;    
    }