Display display = getWindowManager().getDefaultDisplay(); int mWidth = display.getWidth(); // deprecated int mHeight = display.getHeight(); // deprecated ImageView mStars= (ImageView) findViewById(R.id.star1); mStars.setImageResource(R.drawable.star0); if(mHeight<=320){ // 把星星改小 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(8, 8); mStars.setLayoutParams(layoutParams); }