(转载一些资料) Android打开各种类型的文件方法总结..........

来源：互联网发布：彩虹六号排位怎么算法编辑：程序博客网时间：2024/05/18 02:57
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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