Android常见问题剖析

private ArrayList singleElement(ArrayList dateCount) {
        ArrayList newAl = new ArrayList();

        for(Iterator it = dateCount.iterator(); it.hasNext();)
        {
            Object obj = it.next();
            if(!newAl.contains(obj))
            {
                newAl.add(obj);
            }
        }
        return newAl;
    }

GradientDrawable background=(GradientDrawable)iv_test_background_changge.getBackground();
background.setColor(getResources().getColor(R.color.colorPrimaryDark));

 第一步：现将图片截图下来
 adb shell screencap -p /sdcard/screen.png   
 第二步：再将图片复制到电脑上
 adb pull /sdcard/screen.png 

Runtime.getRuntime().exec("inputkeyevent20");
执行exec中的String命令

//调用Activity的getLayoutInflater()
1.LayoutInflater inflater = getLayoutInflater(); 

2.LayoutInflater localinflater =(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

3. LayoutInflater inflater = LayoutInflater.from(context);