用intent打开各种类型文件

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 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;
}
}