242 lines
11 KiB
Java
242 lines
11 KiB
Java
package com.uiui.zyos.utils;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Build;
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import android.provider.MediaStore;
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import android.text.TextUtils;
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import android.util.Log;
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import android.webkit.MimeTypeMap;
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import androidx.annotation.RequiresApi;
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import androidx.core.content.FileProvider;
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import com.uiui.zyos.BuildConfig;
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import java.io.BufferedInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.net.URLConnection;
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import java.util.HashMap;
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import java.util.Locale;
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public class OpenFileUtil {
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private static final String TAG = "OpenFileUtil";
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public static void openFile(Context context, String filePath) {
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File file = new File(filePath);
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openFile(context, file);
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}
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public static void openFile(Context context, File file) {
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Intent intent = new Intent(Intent.ACTION_VIEW);
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//intent.addCategory(Intent.CATEGORY_DEFAULT);
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Uri uriForFile;
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if (Build.VERSION.SDK_INT > 23) {
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//Android 7.0之后
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uriForFile = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".FileProvider", file);
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intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);//给目标文件临时授权
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);//给目标文件临时授权
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intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
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} else {
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uriForFile = Uri.fromFile(file);
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}
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//系统会检查当前所有已创建的Task中是否有该要启动的Activity的Task;
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// 若有，则在该Task上创建Activity；若没有则新建具有该Activity属性的Task，并在该新建的Task上创建Activity。
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intent.setDataAndType(uriForFile, getMimeTypeFromFile(file));
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context.startActivity(intent);
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}
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/**
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* 使用自定义方法获得文件的MIME类型
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*/
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private static String getMimeTypeFromFile(File file) {
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String type = "*/*";
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String fName = file.getName();
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//获取后缀名前的分隔符"."在fName中的位置。
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int dotIndex = fName.lastIndexOf(".");
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if (dotIndex > 0) {
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//获取文件的后缀名
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String end = fName.substring(dotIndex, fName.length()).toLowerCase(Locale.getDefault());
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//在MIME和文件类型的匹配表中找到对应的MIME类型。
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HashMap<String, String> map = MyMimeMap.getMimeMap();
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if (!TextUtils.isEmpty(end) && map.keySet().contains(end)) {
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type = map.get(end);
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}
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}
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Log.e(TAG, "getMimeTypeFromFile: " + type);
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Log.e(TAG, "getMimeType: " + getMimeType(file.getAbsolutePath()));
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return type;
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}
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private static String getMimeType(String filePath) {
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String type = "*/*";
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try {
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FileInputStream inputFile = new FileInputStream(filePath);
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type = URLConnection.guessContentTypeFromStream(new BufferedInputStream(inputFile));
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return type;
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} catch (IOException e) {
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e.printStackTrace();
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}
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return type;
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}
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public static class MyMimeMap {
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private static final HashMap<String, String> mapSimple = new HashMap<>();
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/**
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* 常用"文件扩展名—MIME类型"匹配表。
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* 注意，此表并不全，也并不是唯一的，就像有人喜欢用浏览器打开TXT一样，你可以根据自己的爱好自定义。
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*/
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public static HashMap<String, String> getMimeMap() {
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if (mapSimple.size() == 0) {
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mapSimple.put("", "*/*");
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mapSimple.put(".3gp", "video/3gpp");
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mapSimple.put(".apk", "application/vnd.android.package-archive");
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mapSimple.put(".asf", "video/x-ms-asf");
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mapSimple.put(".avi", "video/x-msvideo");
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mapSimple.put(".bin", "application/octet-stream");
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mapSimple.put(".bmp", "image/bmp");
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mapSimple.put(".c", "text/plain");
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mapSimple.put(".chm", "application/x-chm");
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mapSimple.put(".class", "application/octet-stream");
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mapSimple.put(".conf", "text/plain");
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mapSimple.put(".cpp", "text/plain");
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mapSimple.put(".doc", "application/msword");
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mapSimple.put(".docx", "application/msword");
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mapSimple.put(".exe", "application/octet-stream");
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mapSimple.put(".gif", "image/gif");
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mapSimple.put(".gtar", "application/x-gtar");
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mapSimple.put(".gz", "application/x-gzip");
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mapSimple.put(".h", "text/plain");
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mapSimple.put(".htm", "text/html");
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mapSimple.put(".html", "text/html");
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mapSimple.put(".jar", "application/java-archive");
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mapSimple.put(".java", "text/plain");
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mapSimple.put(".jpeg", "image/jpeg");
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mapSimple.put(".jpg", "image/jpeg");
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mapSimple.put(".js", "application/x-javascript");
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mapSimple.put(".log", "text/plain");
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mapSimple.put(".m3u", "audio/x-mpegurl");
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mapSimple.put(".m4a", "audio/mp4a-latm");
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mapSimple.put(".m4b", "audio/mp4a-latm");
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mapSimple.put(".m4p", "audio/mp4a-latm");
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mapSimple.put(".m4u", "video/vnd.mpegurl");
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mapSimple.put(".m4v", "video/x-m4v");
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mapSimple.put(".mov", "video/quicktime");
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mapSimple.put(".mp2", "audio/x-mpeg");
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mapSimple.put(".mp3", "audio/x-mpeg");
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mapSimple.put(".mp4", "video/mp4");
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mapSimple.put(".mpc", "application/vnd.mpohun.certificate");
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mapSimple.put(".mpe", "video/mpeg");
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mapSimple.put(".mpeg", "video/mpeg");
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mapSimple.put(".mpg", "video/mpeg");
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mapSimple.put(".mpg4", "video/mp4");
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mapSimple.put(".mpga", "audio/mpeg");
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mapSimple.put(".msg", "application/vnd.ms-outlook");
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mapSimple.put(".ogg", "audio/ogg");
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mapSimple.put(".pdf", "application/pdf");
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mapSimple.put(".png", "image/png");
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mapSimple.put(".pps", "application/vnd.ms-powerpoint");
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mapSimple.put(".ppt", "application/vnd.ms-powerpoint");
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mapSimple.put(".pptx", "application/vnd.ms-powerpoint");
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mapSimple.put(".prop", "text/plain");
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mapSimple.put(".rar", "application/x-rar-compressed");
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mapSimple.put(".rc", "text/plain");
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mapSimple.put(".rmvb", "audio/x-pn-realaudio");
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mapSimple.put(".rtf", "application/rtf");
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mapSimple.put(".sh", "text/plain");
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mapSimple.put(".tar", "application/x-tar");
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mapSimple.put(".tgz", "application/x-compressed");
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mapSimple.put(".txt", "text/plain");
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mapSimple.put(".wav", "audio/x-wav");
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mapSimple.put(".wma", "audio/x-ms-wma");
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mapSimple.put(".wmv", "audio/x-ms-wmv");
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mapSimple.put(".wps", "application/vnd.ms-works");
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mapSimple.put(".xml", "text/plain");
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mapSimple.put(".xls", "application/vnd.ms-excel");
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mapSimple.put(".xlsx", "application/vnd.ms-excel");
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mapSimple.put(".z", "application/x-compress");
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mapSimple.put(".zip", "application/zip");
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}
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return mapSimple;
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}
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}
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public static String getFileExtension(String fileName) {
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int dotIndex = fileName.lastIndexOf('.');
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if (dotIndex < 0) {
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return "";
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}
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return fileName.substring(dotIndex + 1);
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}
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// Android获取一个用于打开PDF文件的intent
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public static Intent getPdfFileIntent(Context context, String path) {
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Intent intent = new Intent(Intent.ACTION_VIEW);
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intent.addCategory(Intent.CATEGORY_DEFAULT);
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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File file = new File(path);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
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intent.addFlags(Intent.FLAG_GRANT_PREFIX_URI_PERMISSION);
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intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
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Uri uri = FileProvider.getUriForFile(context, "com.video.stos.FileProvider", file);
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intent.setDataAndType(uri, "application/pdf");
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} else {
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intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
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}
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return intent;
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}
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public static final String DOWNLOAD_URI = "content://com.android.externalstorage.documents/document/primary:Download/";
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// Android获取一个用于打开Word文件的intent
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public static Intent getWordFileIntent(Context context, File file) {
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Intent intent = new Intent(Intent.ACTION_VIEW);
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intent.addCategory(Intent.CATEGORY_DEFAULT);
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Uri uriForFile;
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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//Android 7.0之后
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// uriForFile = FileProvider.getUriForFile(context, "com.video.stos.FileProvider", file);
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uriForFile = getFileUri(context, file.getAbsolutePath());
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// intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);//给目标文件临时授权
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);//给目标文件临时授权
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intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
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// intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
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} else {
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uriForFile = Uri.fromFile(file);
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}
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//系统会检查当前所有已创建的Task中是否有该要启动的Activity的Task;
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Log.e("lhl", "uri+" + uriForFile + "");
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//Uri uri = Uri.fromFile(new File(param));
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intent.setDataAndType(uriForFile, "application/pdf");
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return intent;
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}
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@RequiresApi(api = Build.VERSION_CODES.Q)
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public static Uri getFileUri(Context context, String filePath) {
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Log.e("getFileUri", "getFileUri: " + MediaStore.Downloads.EXTERNAL_CONTENT_URI);
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Cursor cursor = context.getContentResolver().query(MediaStore.Downloads.EXTERNAL_CONTENT_URI,
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new String[]{MediaStore.Downloads._ID}, MediaStore.Downloads.DATA + "=? ",
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new String[]{filePath}, null);
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if (cursor != null && cursor.moveToFirst()) {
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int id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.MediaColumns._ID));
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Uri baseUri = Uri.parse("content://media/external/downloads");
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return Uri.withAppendedPath(baseUri, "" + id);
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} else {
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ContentValues values = new ContentValues();
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values.put(MediaStore.Downloads.DATA, filePath);
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return context.getContentResolver().insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, values);
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}
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}
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}
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