Example usage for android.view Display STATE_DOZE_SUSPEND

Introduction

In this page you can find the example usage for android.view Display STATE_DOZE_SUSPEND.

Prototype

int STATE_DOZE_SUSPEND

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Document

Display state: The display is dozing in a suspended low power state; it is still on but the CPU is not updating it.

Usage

From source file:com.sssemil.advancedsettings.MainService.java

@Override
public void onDisplayChanged(int displayId) {
    try {//from w  w  w  .  ja va 2  s  .  co m
        mDisplayManager = (DisplayManager) getSystemService(Context.DISPLAY_SERVICE);
        mDisplayManager.registerDisplayListener(MainService.this, null);
        switch (mDisplayManager.getDisplay(displayId).getState()) {
        case Display.STATE_DOZE_SUSPEND:
        case Display.STATE_DOZE:
            try {
                //TODO: Need to fix screen_saver_brightness_settings. SELinux problems?
                Thread.sleep(3);
                int brightness = Integer
                        .parseInt(mSharedPreferences.getString("screen_saver_brightness_settings",
                                String.valueOf(Utils.getDeviceCfg(MainService.this).brightnessDefault)));
                boolean do_brightness = mSharedPreferences.getBoolean("manage_screen_saver_brightness_settings",
                        false);

                if (do_brightness) {
                    Log.i(TAG, "echo \"" + brightness + "\" > "
                            + Utils.getDeviceCfg(MainService.this).brightnessPath);

                    Runtime rt = Runtime.getRuntime();
                    String[] commands = { "su", "-c", "echo \"" + brightness + "\" > "
                            + Utils.getDeviceCfg(MainService.this).brightnessPath };
                    Process proc = rt.exec(commands);

                    BufferedReader stdInput = new BufferedReader(new InputStreamReader(proc.getInputStream()));

                    BufferedReader stdError = new BufferedReader(new InputStreamReader(proc.getErrorStream()));

                    String s;
                    while ((s = stdInput.readLine()) != null) {
                        System.out.println(s);
                    }
                    while ((s = stdError.readLine()) != null) {
                        System.out.println(s);
                    }
                }
            } catch (IOException | InterruptedException e) {
                if (BuildConfig.DEBUG) {
                    Log.d(TAG, "catch " + e.toString() + " hit in run", e);
                }
            }

            /*PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
            PowerManager.WakeLock wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
                    "WakeLock");
            wakeLock.acquire();*/
            break;
        default:
            break;
        }
    } catch (NullPointerException e) {
        e.printStackTrace();
    }
}

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