Android用于打开各种文件的Intent

jopen 12年前

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

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;      }