Examples with ContentObserver android.database.ContentObserver used on opensource projects

Example 81 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by DirtyUnicorns.

the class KeyguardUpdateMonitor method watchForDeviceProvisioning.

private void watchForDeviceProvisioning() {
    mDeviceProvisionedObserver = new ContentObserver(mHandler) {

        @Override
        public void onChange(boolean selfChange) {
            super.onChange(selfChange);
            mDeviceProvisioned = isDeviceProvisionedInSettingsDb();
            if (mDeviceProvisioned) {
                mHandler.sendEmptyMessage(MSG_DEVICE_PROVISIONED);
            }
            if (DEBUG)
                Log.d(TAG, "DEVICE_PROVISIONED state = " + mDeviceProvisioned);
        }
    };
    mContext.getContentResolver().registerContentObserver(Settings.Global.getUriFor(Settings.Global.DEVICE_PROVISIONED), false, mDeviceProvisionedObserver);
    // prevent a race condition between where we check the flag and where we register the
    // observer by grabbing the value once again...
    boolean provisioned = isDeviceProvisionedInSettingsDb();
    if (provisioned != mDeviceProvisioned) {
        mDeviceProvisioned = provisioned;
        if (mDeviceProvisioned) {
            mHandler.sendEmptyMessage(MSG_DEVICE_PROVISIONED);
        }
    }
}

Example 82 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by DirtyUnicorns.

the class SettingsProviderTest method setSettingAndAssertSuccessfulChange.

private void setSettingAndAssertSuccessfulChange(Runnable setCommand, final int type, final String name, final String value, final int userId) throws Exception {
    ContentResolver contentResolver = getContext().getContentResolver();
    final Uri settingUri = getBaseUriForType(type);
    final AtomicBoolean success = new AtomicBoolean();
    ContentObserver contentObserver = new ContentObserver(new Handler(Looper.getMainLooper())) {

        public void onChange(boolean selfChange, Uri changeUri, int changeId) {
            Log.i(LOG_TAG, "onChange(" + selfChange + ", " + changeUri + ", " + changeId + ")");
            assertEquals("Wrong change Uri", changeUri, settingUri);
            assertEquals("Wrong user id", userId, changeId);
            String changeValue = getStringViaFrontEndApiSetting(type, name, userId);
            assertEquals("Wrong setting value", value, changeValue);
            success.set(true);
            synchronized (mLock) {
                mLock.notifyAll();
            }
        }
    };
    contentResolver.registerContentObserver(settingUri, false, contentObserver, userId);
    try {
        setCommand.run();
        final long startTimeMillis = SystemClock.uptimeMillis();
        synchronized (mLock) {
            if (success.get()) {
                return;
            }
            final long elapsedTimeMillis = SystemClock.uptimeMillis() - startTimeMillis;
            if (elapsedTimeMillis > WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS) {
                fail("Could not change setting for " + WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS + " ms");
            }
            final long remainingTimeMillis = WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS - elapsedTimeMillis;
            try {
                mLock.wait(remainingTimeMillis);
            } catch (InterruptedException ie) {
            /* ignore */
            }
        }
    } finally {
        contentResolver.unregisterContentObserver(contentObserver);
    }
}

Example 83 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by ResurrectionRemix.

the class SettingsProviderTest method setSettingAndAssertSuccessfulChange.

private void setSettingAndAssertSuccessfulChange(Runnable setCommand, final int type, final String name, final String value, final int userId) throws Exception {
    ContentResolver contentResolver = getContext().getContentResolver();
    final Uri settingUri = getBaseUriForType(type);
    final AtomicBoolean success = new AtomicBoolean();
    ContentObserver contentObserver = new ContentObserver(new Handler(Looper.getMainLooper())) {

        public void onChange(boolean selfChange, Uri changeUri, int changeId) {
            Log.i(LOG_TAG, "onChange(" + selfChange + ", " + changeUri + ", " + changeId + ")");
            assertEquals("Wrong change Uri", changeUri, settingUri);
            assertEquals("Wrong user id", userId, changeId);
            String changeValue = getStringViaFrontEndApiSetting(type, name, userId);
            assertEquals("Wrong setting value", value, changeValue);
            success.set(true);
            synchronized (mLock) {
                mLock.notifyAll();
            }
        }
    };
    contentResolver.registerContentObserver(settingUri, false, contentObserver, userId);
    try {
        setCommand.run();
        final long startTimeMillis = SystemClock.uptimeMillis();
        synchronized (mLock) {
            if (success.get()) {
                return;
            }
            final long elapsedTimeMillis = SystemClock.uptimeMillis() - startTimeMillis;
            if (elapsedTimeMillis > WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS) {
                fail("Could not change setting for " + WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS + " ms");
            }
            final long remainingTimeMillis = WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS - elapsedTimeMillis;
            try {
                mLock.wait(remainingTimeMillis);
            } catch (InterruptedException ie) {
            /* ignore */
            }
        }
    } finally {
        contentResolver.unregisterContentObserver(contentObserver);
    }
}

Example 84 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by ResurrectionRemix.

the class BatteryService method onBootPhase.

@Override
public void onBootPhase(int phase) {
    if (phase == PHASE_ACTIVITY_MANAGER_READY) {
        // check our power situation now that it is safe to display the shutdown dialog.
        synchronized (mLock) {
            ContentObserver obs = new ContentObserver(mHandler) {

                @Override
                public void onChange(boolean selfChange) {
                    synchronized (mLock) {
                        updateBatteryWarningLevelLocked();
                    }
                }
            };
            final ContentResolver resolver = mContext.getContentResolver();
            resolver.registerContentObserver(Settings.Global.getUriFor(Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL), false, obs, UserHandle.USER_ALL);
            updateBatteryWarningLevelLocked();
        }
    } else if (phase == PHASE_BOOT_COMPLETED) {
        SettingsObserver observer = new SettingsObserver(new Handler());
        observer.observe();
    }
}

Example 85 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by ResurrectionRemix.

the class KeyguardUpdateMonitor method watchForDeviceProvisioning.

private void watchForDeviceProvisioning() {
    mDeviceProvisionedObserver = new ContentObserver(mHandler) {

        @Override
        public void onChange(boolean selfChange) {
            super.onChange(selfChange);
            mDeviceProvisioned = isDeviceProvisionedInSettingsDb();
            if (mDeviceProvisioned) {
                mHandler.sendEmptyMessage(MSG_DEVICE_PROVISIONED);
            }
            if (DEBUG)
                Log.d(TAG, "DEVICE_PROVISIONED state = " + mDeviceProvisioned);
        }
    };
    mContext.getContentResolver().registerContentObserver(Settings.Global.getUriFor(Settings.Global.DEVICE_PROVISIONED), false, mDeviceProvisionedObserver);
    // prevent a race condition between where we check the flag and where we register the
    // observer by grabbing the value once again...
    boolean provisioned = isDeviceProvisionedInSettingsDb();
    if (provisioned != mDeviceProvisioned) {
        mDeviceProvisioned = provisioned;
        if (mDeviceProvisioned) {
            mHandler.sendEmptyMessage(MSG_DEVICE_PROVISIONED);
        }
    }
}