Android – 如何从资源中显示图像？

我无法显示保存在res / drawable文件夹中的图像.
我使用 ImageGetter来做到这一点.代码如下：

ImageGetter imageGetter3 = new ImageGetter() {                
    public Drawable getDrawable(String sourcE) { 
        int id=0; 
        if (source.equals("smiley")) { 
            id = R.drawable.smiley; 
        } 
        Drawable d = getresources().getDrawable(id); 
        d.setBounds(0,d.geTintrinsicWidth(),d.geTintrinsicHeight()); 
        return d; 
    } 
};

directions += "je bent bij lokaal " + vertrek.getNaam() + "\n" 
           + "Sta met je rug voor de deur\n" 
           + Html.fromHtml("<img src=\"smiley\">",imageGetter3,null) + " Draai naar links\n";

我在跑步时在屏幕上看到的是@L_772_4@带有“obj”文字的小方块.
那有什么不对？无法读取图像或其他内容？
如何显示图像？

老实说,我已经google了很多,并尝试过ImageGetter的其他方法,但是它们似乎都没有用,我也试过了,它们不起作用：

ImageGetter imageGetter2 = new ImageGetter() { 
 public Drawable getDrawable(String sourcE) { 
      Drawable d = null; 
      d = Drawable.createFromPath(sourcE); 
      d.setBounds(0,d.geTintrinsicHeight()); 
      return d; 
 } 
};

ImageGetter imageGetter = new ImageGetter() {                
 public Drawable getDrawable(String sourcE) { 
     Drawable drawFromPath; 
     int path = Route.this.getresources().getIdentifier(source,"drawable","com.prj56.tracingapp"); 
     drawFromPath = (DrawablE) Route.this.getresources().getDrawable(path); 
     drawFromPath.setBounds(0,drawFromPath.geTintrinsicWidth(),drawFromPath.geTintrinsicHeight()); 
     return drawFromPath; 
 } 
};

================================================== =======
if(….){
ImageView iv1 = new ImageView(this);
iv1.setImageresource(R.drawable.smiley);

directions += "je bent bij lokaal " + vertrek.getNaam() + "\n" 
       + "Sta met je rug voor de deur\n";
       HERE COMES THE IMAGE! BUT HOW TO DO THIS? It's within directions textview...
    directions += " Draai naar links\n";

}

Drawable d = ContextCompat.getDrawable(context,R.drawable.smiley);

Drawable d = getresources().getDrawable(R.drawable.smiley);

ImageView i = new ImageView(this);
i.setImageresource(R.drawable.smiley);

<ImageView   
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:src="@drawable/smiley"/>