AndroidFileUtil.java

package com.tiger.quicknews.utils;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;

import java.io.File;
import java.util.List;

public class AndroidFileUtil {
    public static Intent openFile(String filePath) {

        // File file = new File(filePath);
        // if (!file.exists())
        // return null;
        /* 取得扩展�? */
        String end = filePath
                .substring(filePath.lastIndexOf(".") + 1, filePath.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") || end.equals("pptx")) {
            return getPptFileIntent(filePath);
        } else if (end.equals("xls") || end.equals("xlsx")) {
            return getExcelFileIntent(filePath);
        } else if (end.equals("doc") || end.equals("docx")) {
            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 if (end.equals("zip")) {
            return getZipFileIntent(filePath);
        } else if (end.equals("rar")) {
            return getRarFileIntent(filePath);
        } else {
            return getAllIntent(filePath);
        }
    }

    // public static Intent getZipFileIntent(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�?��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�?��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�?��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�?��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�?��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�?��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�?��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�?��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�?��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�?��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�?��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�?��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;
    }

    /**
     * Android获取�?��用于打开ZIP文件的intent
     */
    public static Intent getZipFileIntent(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/zip");
        return intent;
    }

    /**
     * Android获取�?��用于打开ZIP文件的intent
     */
    public static Intent getRarFileIntent(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/rar");
        return intent;
    }

    /**
     * 判断intent是否可用
     */
    public static boolean isIntentAvailable(Context context, Intent intent) {
        final PackageManager packageManager = context.getPackageManager();
        List<ResolveInfo> list = packageManager.queryIntentActivities(intent,
                PackageManager.GET_ACTIVITIES);
        return list.size() > 0;
    }

    /**
     * 判断文件是否存在
     */
    public static boolean isFileExit(String path) {
        if (path == null) {
            return false;
        }
        try {
            File f = new File(path);
            if (!f.exists()) {
                return false;
            }
        } catch (Exception e) {
            // TODO: handle exception
        }
        return true;
    }
}