- ScreenBrightness.java
- Settings.Systemクラスの"SCREEN_BRIGHTNESS"定数を指定して, 画面の明るさを取得する.
注) 画面の明るさは0(最も暗い)〜255(最も明るい)までで表される.
package com.moonlight_aska.android.screenbrightness;
import android.os.Bundle;
import android.provider.Settings;
import android.app.Activity;
import android.widget.TextView;
public class ScreenBrightness extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView text = (TextView)findViewById(R.id.text_label);
// 画面の明るさの取得(0-255)
String brightness = Settings.System.getString(this.getContentResolver(), "screen_brightness");
text.setText("明るさ:" + brightness);
}
}