旺仔：查看手機解析度

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package com.hanqi.myintent;import android.content.Intent;import android.content.pm.PackageManager;import android.content.pm.ResolveInfo;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.DisplayMetrics;import android.view.Display;import android.view.WindowManager;import android.widget.TextView;import java.util.List;public class TestActivity1 extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_test1);        final PackageManager packageManager = this.getPackageManager();        final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);        mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);        final List<ResolveInfo> apps = packageManager.queryIntentActivities(mainIntent, 0);        WindowManager windowManager = getWindowManager();          Display display = windowManager.getDefaultDisplay();        int screenWidth = screenWidth = display.getWidth();        int screenHeight = screenHeight = display.getHeight();        DisplayMetrics dm = new DisplayMetrics();        getWindowManager().getDefaultDisplay().getMetrics(dm);        TextView tv = (TextView)this.findViewById(R.id.tv);        float width=dm.widthPixels*dm.density;        float height=dm.heightPixels*dm.density;        tv.setText("First method:"+dm.toString()+"\n"+"Second method:"+"Y="+screenWidth+";X="+screenHeight);    }}

旺仔：查看手機解析度