android用于打开各种文件的intent,包括以下文件PDF,PPT,WORD,EXCEL,CHM,HTML,TEXT,AUDIO,VIDEO

http://bbs.csdn.net/topics/360122578

import android.app.Activity;

import android.content.Intent;

import android.net.Uri;

import android.net.Uri.Builder;

import java.io.File;

import android.content.Intent;

//自定义android Intent类，

//可用于获取打开以下文件的intent

//PDF,PPT,WORD,EXCEL,CHM,HTML,TEXT,AUDIO,VIDEO

public class MyIntent

{

//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获取一个用于打开文本文件的intent

  public static Intent getTextFileIntent( String paramString, 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");

    }

    while (true)

    {

      return intent;

      Uri uri2 = Uri.fromFile(new File(param ));

      intent.setDataAndType(uri2, "text/plain");

    }

  }

//android获取一个用于打开音频文件的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获取一个用于打开视频文件的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;

  }

}

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