资源管理（下）

布局

<?xml version="1.0" encoding="utf-8"?>
<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:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:orientation="vertical"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="helloworld.com.inspur.demo8.MainActivity">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"

        android:id="@+id/tv"/>
    <ListView
        android:id="@+id/lv"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
       />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string-array name="hah">
        <item>aaa</item>
        <item>bbb</item>
        <item>ccc</item>
        <item>ddd</item>
    </string-array>
    <integer-array name="int_arr">
        <item>111</item>
        <item>111</item>
        <item>111</item>
    </integer-array>
</resources>

2，逻辑

package helloworld.com.inspur.demo8;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.preference.MultiSelectListPreference;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.ScrollingTabContainerView;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;
import java.util.jar.Manifest;

public class MainActivity extends AppCompatActivity {
  private ListView listView;
    private String[] str;
    private int[] int_arr;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        listView= (ListView)findViewById(R.id.lv);
        str=getResources().getStringArray(R.array.hah);
        int_arr=getResources().getIntArray(R.array.int_arr);
        ArrayAdapter myAdapter=new ArrayAdapter(MainActivity.this,R.layout.support_simple_spinner_dropdown_item,str);
        listView.setAdapter(myAdapter);

    }
}

设置背景色（color_array）

package helloworld.com.inspur.demo8;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.TypedArray;
import android.preference.MultiSelectListPreference;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.ScrollingTabContainerView;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;
import java.util.jar.Manifest;

public class MainActivity extends AppCompatActivity {
  private ListView listView;
    private TextView tv1,tv2;
    private String[] str;
    private int[] int_arr;
    private TypedArray ta;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv1=(TextView)findViewById(R.id.tv1);
        tv2=(TextView)findViewById(R.id.tv2);
        listView= (ListView)findViewById(R.id.lv);
        str=getResources().getStringArray(R.array.hah);
        int_arr=getResources().getIntArray(R.array.int_arr);
        ArrayAdapter myAdapter=new ArrayAdapter(MainActivity.this,R.layout.support_simple_spinner_dropdown_item,str);
        listView.setAdapter(myAdapter);
       
        ta=getResources().obtainTypedArray(R.array.color_arr);
        tv1.setBackgroundColor(ta.getColor(0,0));
        tv2.setBackgroundColor(ta.getColor(1,0));
    }
}

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="colorPrimary">#3F51B5</color>
    <color name="colorPrimaryDark">#303F9F</color>
    <color name="colorAccent">#FF4081</color>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string-array name="hah">
        <item>aaa</item>
        <item>bbb</item>
        <item>ccc</item>
        <item>ddd</item>
    </string-array>
    <integer-array name="int_arr">
        <item>111</item>
        <item>111</item>
        <item>111</item>
    </integer-array>

    <array name="color_arr">
        <item>@color/colorAccent</item>
        <item>@color/colorPrimaryDark</item>
        <item>@color/red</item>
    </array>
</resources>