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  • Android用于打开各种文件的Intent

    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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  • 原文地址:https://www.cnblogs.com/yanhuofenhuang/p/3633830.html
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