<SPAN style="FONT-SIZE: 18px">private void alertScreenDialog() { DisplayMetrics dm = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(dm); String optStr = "手机屏幕分辨率为: "+dm.widthPixels+" x "+dm.heightPixels; Builder builder = new Builder(this); builder.setMessage(optStr); builder.setIcon(R.drawable.firefox); builder.setTitle("获取屏幕像素"); //点击确定按钮 builder.setPositiveButton("确定", new DialogInterface.OnClickListener(){ @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(GetScreenActivity.this, "获取到像素", Toast.LENGTH_LONG).show(); } }); builder.setNegativeButton("返回", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Toast.makeText(GetScreenActivity.this, "返回", Toast.LENGTH_LONG).show(); } }); builder.create().show(); }</SPAN>