Android-获取屏幕高度和宽度

Android-获取屏幕高度和宽度

package com.xieth.as.pixdemo;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.DisplayMetrics;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private TextView tvW;
    private TextView tvH;
    private TextView tvFD;
    private TextView tvID;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        tvW = (TextView) findViewById(R.id.id_width);
        tvH = (TextView) findViewById(R.id.id_height);
        tvFD = (TextView) findViewById(R.id.id_fdensity);
        tvID = (TextView) findViewById(R.id.id_intdensity);

        DisplayMetrics displayMetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
        int width = displayMetrics.widthPixels;
        int height = displayMetrics.heightPixels;
        float fd = displayMetrics.density;
        int id = displayMetrics.densityDpi;

        tvW.setText("宽度为" + width);
        tvH.setText("高度为" + height);
        tvFD.setText("密度为F->" + fd);
        tvID.setText("密度为I->" + id);
    }

}

运行效果：

参考详细