Android 屏幕适配之代码适配

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity" >

<LinearLayout
android:layout_width="match_parent"
android:layout_height="100dp"
android:orientation="horizontal" >

<TextView
android:id="@+id/tv1"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="#0f0" />

<TextView
android:id="@+id/tv2"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="#f00" />
</LinearLayout>

</LinearLayout>

package com.itheima48.screenadaptercode;

import android.app.Activity;
import android.os.Bundle;
import android.widget.LinearLayout.LayoutParams;
import android.widget.TextView;

public class MainActivity extends Activity {

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

TextView tv1 = (TextView) findViewById(R.id.tv1);
TextView tv2 = (TextView) findViewById(R.id.tv2);

int width = getWindowManager().getDefaultDisplay().getWidth();// 屏幕宽度
int height = getWindowManager().getDefaultDisplay().getHeight();// 屏幕高度

int w = width / 3;
int h = height / 5;

tv1.setLayoutParams(new LayoutParams(w, h));
tv2.setLayoutParams(new LayoutParams(w, h));
}

}