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

以下代码未经测试。但是有我想找的，先贴过来，慢慢了解～～

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;

  }



}