Android设备中获取屏幕相关参数

package com.yinhui.ShowDip; import android.app.Activity; import android.os.Bundle; import android.util.DisplayMetrics; import android.widget.TextView; public class ShowDip extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); DisplayMetrics display = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(display); String strOpt = "手机屏幕分辨率为：" + display.widthPixels + " × " + display.heightPixels; //DisplayMetrics mDensity = getResources().getDisplayMetrics(); int scale = display.densityDpi; float density = display.density; TextView text = (TextView)findViewById(R.id.test_text); text.setText( strOpt + "\n屏幕DPI:" + scale +"\nDENSITY:"+density); } }