support temporary allow debugging

Signed-off-by: Tommy Alex <iptux7@gmail.com>

Author: iptux

UsbDebugging/src/main/java/net/iptux/xposed/usbdebugging/RelockRunnable.java

@@ -0,0 +1,28 @@
+package net.iptux.xposed.usbdebugging;
+
+import android.content.SharedPreferences;
+import android.preference.SwitchPreference;
+
+import java.lang.ref.WeakReference;
+
+class RelockRunnable implements Runnable {
+	SharedPreferences sharedPreferences;
+	WeakReference<SwitchPreference> weakReference;
+
+	RelockRunnable(SharedPreferences sharedPreferences, SwitchPreference switchPreference) {
+		this.sharedPreferences = sharedPreferences;
+		this.weakReference = new WeakReference<>(switchPreference);
+	}
+
+	@Override
+	public void run() {
+		SwitchPreference preference = weakReference.get();
+		if (null != preference) {
+			preference.setChecked(true);
+		} else {
+			SharedPreferences.Editor editor = sharedPreferences.edit();
+			editor.putBoolean(Settings.PREF_DENY_USB_DEBUGGING, true);
+			editor.apply();
+		}
+	}
+}

UsbDebugging/src/main/java/net/iptux/xposed/usbdebugging/Settings.java

@@ -21,7 +21,9 @@
 import de.robv.android.xposed.XSharedPreferences;
 
 class Settings {
-	private static final String PREF_DENY_USB_DEBUGGING = "deny_usb_debugging";
+	static final String PREF_DENY_USB_DEBUGGING = "deny_usb_debugging";
+	static final String PREF_TEMPORARY_ALLOW = "temporary_allow";
+	static final String PREF_TEMPORARY_ALLOW_INTETVAL = "temporary_allow_interval";
 	static final String PREF_VERSION_NAME = "version_name";
 
 	private static class SingletonHelper {

UsbDebugging/src/main/java/net/iptux/xposed/usbdebugging/SettingsActivity.java

@@ -18,16 +18,42 @@
 
 package net.iptux.xposed.usbdebugging;
 
+import android.content.SharedPreferences;
 import android.preference.PreferenceActivity;
 import android.os.Bundle;
+import android.preference.SwitchPreference;
 
-public class SettingsActivity extends PreferenceActivity {
+public class SettingsActivity extends PreferenceActivity
+		implements SharedPreferences.OnSharedPreferenceChangeListener {
+	SwitchPreference denyUsbDebuggingPreference;
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 		getPreferenceManager().setSharedPreferencesMode(MODE_WORLD_READABLE);
+		getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
 		addPreferencesFromResource(R.xml.preferences);
 
+		denyUsbDebuggingPreference = (SwitchPreference) findPreference(Settings.PREF_DENY_USB_DEBUGGING);
 		findPreference(Settings.PREF_VERSION_NAME).setSummary(BuildConfig.VERSION_NAME);
 	}
+
+	@Override
+	public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+		switch (key) {
+		case Settings.PREF_DENY_USB_DEBUGGING:
+			if (!sharedPreferences.getBoolean(key, true)) {
+				scheduleRelock(sharedPreferences);
+			}
+			break;
+		}
+	}
+
+	void scheduleRelock(SharedPreferences sharedPreferences) {
+		if (sharedPreferences.getBoolean(Settings.PREF_TEMPORARY_ALLOW, true)) {
+			String value = sharedPreferences.getString(Settings.PREF_TEMPORARY_ALLOW_INTETVAL, "10");
+			long interval = Long.parseLong(value);
+			RelockRunnable runnable = new RelockRunnable(sharedPreferences, denyUsbDebuggingPreference);
+			findViewById(android.R.id.content).postDelayed(runnable, interval * 1000);
+		}
+	}
 }

UsbDebugging/src/main/res/values/strings.xml

@@ -25,6 +25,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 	<string name="pref_deny_usb_debugging">deny_usb_debugging</string>
 	<string name="pref_title_deny_usb_debugging">Deny USB Debugging</string>
 	<string name="pref_summery_deny_usb_debugging">If this option as no effect, you may need to disable this module and then reboot to allow debugging again.</string>
+	<string name="pref_title_temporary_allow">Temporary Allow USB Debugging</string>
+	<string name="pref_summery_temporary_allow">re-enable the `Deny USB Debugging\' option after disabled.\nUseful if you want to temporary allow USB debugging.</string>
+	<string name="pref_temporary_allow" translatable="false">temporary_allow</string>
+	<string name="pref_title_temporary_allow_interval">Temporary Allow Interval (seconds)</string>
+	<string name="pref_temporary_allow_interval" translatable="false">temporary_allow_interval</string>
 	<string name="pref_title_about">About</string>
 	<string name="pref_title_author">Author</string>
 	<string name="pref_title_email">E-mail</string>

UsbDebugging/src/main/res/xml/preferences.xml

@@ -30,6 +30,19 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 			android:key="@string/pref_deny_usb_debugging"
 			android:defaultValue="true"
 			/>
+		<SwitchPreference
+			android:title="@string/pref_title_temporary_allow"
+			android:summary="@string/pref_summery_temporary_allow"
+			android:key="@string/pref_temporary_allow"
+			android:defaultValue="true"
+			/>
+		<EditTextPreference
+			android:title="@string/pref_title_temporary_allow_interval"
+			android:dependency="@string/pref_temporary_allow"
+			android:key="@string/pref_temporary_allow_interval"
+			android:inputType="number"
+			android:defaultValue="10"
+			/>
 	</PreferenceCategory>
 	<PreferenceCategory
 		android:title="@string/pref_title_about"