摘要：int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024); Log.e("TAG", "Max memory is " + maxMemory + "KB"); Log.e("TAG",... 阅读全文

摘要：控件的划分：自绘控件、组合控件、继承控件 每种方式是如何自定义View的？ 第一：自绘控件 继承view，重写onDraw方法,在布局文件里面引用 示例：水波纹 WaterRipplesActivity 1 public class WaterRipplesActivity extends Activity { 2 @Override 3 protected void onCreate(Bundle savedInstanceState) { 4 super.onCreate(savedInstanceState); 5 setContentView(R.layout.main_ring_layout); 6 } 阅读全文