Android 文件打开方法

来源：互联网发布：苏州java软件开发招聘编辑：程序博客网时间：2024/06/10 09:30
转载于:http://blog.csdn.net/weich_java/article/details/7002829
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;         }
阅读全文
0 0