拿到会打开指定类型文件的应用程序

拿到能打开指定类型文件的应用程序

Intent it = new Intent();it.setType("image/*")List<ResolveInfo> ra = this.getPackageManager().queryIntentActivities(it,0);   for(int i=0;i<ra.size();i++){      ActivityInfo ai = ra.get(i).activityInfo;      Drawable icon = ai.loadIcon(this.getPackageManager());   //图标    String label = ai.loadLabel(this.getPackageManager()).toString();  //名称     ComponentName c = new ComponentName(ai.applicationInfo.packageName, ai.name);   //组件名，可以通过startActivity()打开此应用 }