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Commit 40253329 authored by Sunny Goyal's avatar Sunny Goyal
Browse files

Bringing back auto-rotate settings 

Bug: 77654352
Change-Id: I0910fc8afe2fb7e125d57912abc35bbbd5df9d74
parent fed15f19

quickstep/res/xml/indexable_launcher_prefs.xml

+8 −2
Original line number Diff line number Diff line
@@ -20,8 +20,14 @@ 
        android:key="pref_add_icon_to_home"

        android:title="@string/auto_add_shortcuts_label"

        android:summary="@string/auto_add_shortcuts_description"

        android:defaultValue="true"

        />

        android:defaultValue="true"  />



    <SwitchPreference

        android:key="pref_allowRotation"

        android:title="@string/allow_rotation_title"

        android:summary="@string/allow_rotation_desc"

        android:defaultValue="@bool/allow_rotation"

        android:persistent="true" />



    <ListPreference

        android:key="pref_override_icon_shape"

res/values/strings.xml

+6 −0
Original line number Diff line number Diff line
@@ -179,6 +179,12 @@ 
    <string name="msg_disabled_by_admin">Disabled by your admin</string>



    <!-- Strings for settings -->

    <!-- Title for Allow Rotation setting. [CHAR LIMIT=50] -->

    <string name="allow_rotation_title">Allow Home screen rotation</string>

    <!-- Text explaining when the home screen will get rotated. [CHAR LIMIT=100] -->

    <string name="allow_rotation_desc">When phone is rotated</string>

    <!-- Text explaining that rotation is disabled in Display settings. 'Display' refers to the Display section in system settings [CHAR LIMIT=100] -->

    <string name="allow_rotation_blocked_desc">Current Display setting doesn\'t permit rotation</string>

    <!-- Title for Notification dots setting. Tapping this will link to the system Notifications settings screen where the user can turn off notification dots globally. [CHAR LIMIT=50] -->

    <string name="icon_badging_title">Notification dots</string>

    <!-- Text to indicate that the system icon badging setting is on [CHAR LIMIT=100] -->

res/xml/launcher_preferences.xml

+7 −2
Original line number Diff line number Diff line
@@ -34,8 +34,13 @@ 
        android:title="@string/auto_add_shortcuts_label"

        android:summary="@string/auto_add_shortcuts_description"

        android:defaultValue="true"

        android:persistent="true"

        />

        android:persistent="true" />



    <SwitchPreference

        android:key="pref_allowRotation"

        android:title="@string/allow_rotation_title"

        android:defaultValue="@bool/allow_rotation"

        android:persistent="true" />



    <ListPreference

        android:key="pref_override_icon_shape"

src/com/android/launcher3/SettingsActivity.java

+41 −0
Original line number Diff line number Diff line
@@ -16,6 +16,9 @@ 


package com.android.launcher3;



import static com.android.launcher3.states.RotationHelper.ALLOW_ROTATION_PREFERENCE_KEY;

import static com.android.launcher3.states.RotationHelper.getAllowRotationDefaultValue;



import android.annotation.TargetApi;

import android.app.Activity;

import android.app.AlertDialog;
@@ -84,6 +87,7 @@ public class SettingsActivity extends Activity { 
    public static class LauncherSettingsFragment extends PreferenceFragment {



        private IconBadgingObserver mIconBadgingObserver;

        private RotationLockObserver mRotationLockObserver;



        private String mPreferenceKey;

        private boolean mPreferenceHighlighted = false;
@@ -123,6 +127,22 @@ public class SettingsActivity extends Activity { 
                    getPreferenceScreen().removePreference(iconShapeOverride);

                }

            }



            // Setup allow rotation preference

            Preference rotationPref = findPreference(ALLOW_ROTATION_PREFERENCE_KEY);

            if (getResources().getBoolean(R.bool.allow_rotation)) {

                // Launcher supports rotation by default. No need to show this setting.

                getPreferenceScreen().removePreference(rotationPref);

            } else {

                mRotationLockObserver = new RotationLockObserver(rotationPref, resolver);



                // Register a content observer to listen for system setting changes while

                // this UI is active.

                mRotationLockObserver.register(Settings.System.ACCELEROMETER_ROTATION);



                // Initialize the UI once

                rotationPref.setDefaultValue(getAllowRotationDefaultValue());

            }

        }



        @Override
@@ -181,6 +201,10 @@ public class SettingsActivity extends Activity { 
                mIconBadgingObserver.unregister();

                mIconBadgingObserver = null;

            }

            if (mRotationLockObserver != null) {

                mRotationLockObserver.unregister();

                mRotationLockObserver = null;

            }

            super.onDestroy();

        }
@@ -204,6 +228,23 @@ public class SettingsActivity extends Activity { 
        }

    }



    private static class RotationLockObserver extends SettingsObserver.System {



        private final Preference mRotationPref;



        public RotationLockObserver(Preference rotationPref, ContentResolver resolver) {

            super(resolver);

            mRotationPref = rotationPref;

        }



        @Override

        public void onSettingChanged(boolean enabled) {

            mRotationPref.setEnabled(enabled);

            mRotationPref.setSummary(enabled

                    ? R.string.allow_rotation_desc : R.string.allow_rotation_blocked_desc);

        }

    }



    /**

     * Content observer which listens for system badging setting changes,

     * and updates the launcher badging setting subtext accordingly.

src/com/android/launcher3/states/RotationHelper.java

+37 −23
Original line number Diff line number Diff line
@@ -18,28 +18,43 @@ package com.android.launcher3.states; 
import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LOCKED;

import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;

import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;

import static android.provider.Settings.System.ACCELEROMETER_ROTATION;

import static android.provider.Settings.System.getUriFor;

import static android.util.DisplayMetrics.DENSITY_DEVICE_STABLE;



import static com.android.launcher3.Utilities.ATLEAST_NOUGAT;



import android.app.Activity;

import android.content.ContentResolver;

import android.database.ContentObserver;

import android.os.Handler;

import android.provider.Settings;

import android.content.SharedPreferences;

import android.content.SharedPreferences.OnSharedPreferenceChangeListener;

import android.content.res.Resources;



import com.android.launcher3.R;

import com.android.launcher3.Utilities;



/**

 * Utility class to manage launcher rotation

 */

public class RotationHelper extends ContentObserver {

public class RotationHelper implements OnSharedPreferenceChangeListener {



    public static final String ALLOW_ROTATION_PREFERENCE_KEY = "pref_allowRotation";



    public static boolean getAllowRotationDefaultValue() {

        if (ATLEAST_NOUGAT) {

            // If the device was scaled, used the original dimensions to determine if rotation

            // is allowed of not.

            Resources res = Resources.getSystem();

            int originalSmallestWidth = res.getConfiguration().smallestScreenWidthDp

                    * res.getDisplayMetrics().densityDpi / DENSITY_DEVICE_STABLE;

            return originalSmallestWidth >= 600;

        }

        return false;

    }



    public static final int REQUEST_NONE = 0;

    public static final int REQUEST_ROTATE = 1;

    public static final int REQUEST_LOCK = 2;



    private final Activity mActivity;

    private final ContentResolver mCr;

    private final SharedPreferences mPrefs;



    private final boolean mIgnoreAutoRotateSettings;

    private boolean mAutoRotateEnabled;
@@ -60,23 +75,24 @@ public class RotationHelper extends ContentObserver { 
    private int mLastActivityFlags = -1;



    public RotationHelper(Activity activity) {

        super(new Handler());

        mActivity = activity;



        // On large devices we do not handle auto-rotate differently.

        mIgnoreAutoRotateSettings = mActivity.getResources().getBoolean(R.bool.allow_rotation);

        if (!mIgnoreAutoRotateSettings) {

            mCr = mActivity.getContentResolver();

            mCr.registerContentObserver(getUriFor(ACCELEROMETER_ROTATION), false, this);

            mAutoRotateEnabled = Settings.System.getInt(mCr, ACCELEROMETER_ROTATION, 1) == 1;

            mPrefs = Utilities.getPrefs(mActivity);

            mPrefs.registerOnSharedPreferenceChangeListener(this);

            mAutoRotateEnabled = mPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,

                    getAllowRotationDefaultValue());

        } else {

            mCr = null;

            mPrefs = null;

        }

    }



    @Override

    public void onChange(boolean selfChange) {

        mAutoRotateEnabled = Settings.System.getInt(mCr, ACCELEROMETER_ROTATION, 1) == 1;

    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {

        mAutoRotateEnabled = mPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,

                getAllowRotationDefaultValue());

        notifyChange();

    }
@@ -104,8 +120,8 @@ public class RotationHelper extends ContentObserver { 
    public void destroy() {

        if (!mDestroyed) {

            mDestroyed = true;

            if (mCr != null) {

                mCr.unregisterContentObserver(this);

            if (mPrefs != null) {

                mPrefs.unregisterOnSharedPreferenceChangeListener(this);

            }

        }

    }
@@ -121,19 +137,17 @@ public class RotationHelper extends ContentObserver { 
                    SCREEN_ORIENTATION_LOCKED : SCREEN_ORIENTATION_UNSPECIFIED;

        } else if (mCurrentStateRequest == REQUEST_LOCK) {

            activityFlags = SCREEN_ORIENTATION_LOCKED;

        } else if (mIgnoreAutoRotateSettings || mCurrentStateRequest == REQUEST_ROTATE) {

        } else if (mIgnoreAutoRotateSettings || mCurrentStateRequest == REQUEST_ROTATE

                || mAutoRotateEnabled) {

            activityFlags = SCREEN_ORIENTATION_UNSPECIFIED;

        } else if (mAutoRotateEnabled) {

            // If auto rotation is on, lock to device orientation

            activityFlags = SCREEN_ORIENTATION_NOSENSOR;

        } else {

            // If auto rotation is off, allow rotation on the activity, in case the user is using

            // forced rotation.

            activityFlags = SCREEN_ORIENTATION_UNSPECIFIED;

            activityFlags = SCREEN_ORIENTATION_NOSENSOR;

        }

        if (activityFlags != mLastActivityFlags) {

            mLastActivityFlags = activityFlags;

            mActivity.setRequestedOrientation(mLastActivityFlags);

            mActivity.setRequestedOrientation(activityFlags);

        }

    }

}