【android开发获取手机的屏幕宽高等级】Android开发获取手机的屏幕宽高,density值,px 宽高,dp 的宽高,及px 和dp互转

更新时间:2020-09-02    来源:php常用代码    手机版     字体:

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直接贴代码

tvModel.setText(android.os.Build.MODEL);//手机型号

// 获取屏幕密度(方法1)
int screenWidth1 = getActivity().getWindowManager().getDefaultDisplay().getWidth();       // 屏幕宽(像素,如:480px)
int screenHeight1 = getActivity().getWindowManager().getDefaultDisplay().getHeight();      // 屏幕高(像素,如:800p)

tvScreenHeight1.setText(screenHeight1 + " px");
tvScreenWidth1.setText(screenWidth1 + " px");


// 获取屏幕密度(方法2)
DisplayMetrics dm2 = getResources().getDisplayMetrics();

float density = dm2.density;        // 屏幕密度(像素比例:0.75/1.0/1.5/2.0)
int densityDPI = dm2.densityDpi;     // 屏幕密度(每寸像素:120/160/240/320)
float xdpi = dm2.xdpi;
float ydpi = dm2.ydpi;

int screenWidth2 = dm2.widthPixels;      // 屏幕宽(像素,如:480px)
int screenHeight2 = dm2.heightPixels;     // 屏幕高(像素,如:800px)

tvScreenHeight2.setText(screenHeight2 + " px");
tvScreenWidth2.setText(screenWidth2 + " px");
tvScreenDensity2.setText(density + "");
tvScreenDensityDPI2.setText(densityDPI + "");

// 获取屏幕密度(方法3)
DisplayMetrics dm3 = new DisplayMetrics();
getActivity().getWindowManager().getDefaultDisplay().getMetrics(dm3);

density = dm3.density;      // 屏幕密度(像素比例:0.75/1.0/1.5/2.0)
densityDPI = dm3.densityDpi;     // 屏幕密度(每寸像素:120/160/240/320)
xdpi = dm3.xdpi;
ydpi = dm3.ydpi;

tvScreenDensity3.setText(density + "");
tvScreenDensityDPI3.setText(densityDPI + "");

int screenWidth3 = dm3.widthPixels;          // 屏幕宽(px,如:480px)
int screenHeight3 = dm3.heightPixels;        // 屏幕高(px,如:800px)

tvScreenHeight3.setText(screenHeight3 + " px");
tvScreenWidth3.setText(screenWidth3 + " px");

float screenWidthDip = (dm3.widthPixels / density);    // 屏幕宽(dip,如:320dip)
float screenHeightDip = (dm3.heightPixels / density);   // 屏幕宽(dip,如:533dip)

tvScreenHeight4.setText(screenHeightDip + " dip");
tvScreenWidth4.setText(screenWidthDip + " dip");

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