Android打开各种类型的文件方法总结

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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;        }
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