| 1 | package ro.ieval.fonbot; |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | |
| 5 | import org.eclipse.jdt.annotation.Nullable; |
| 6 | |
| 7 | import android.app.admin.DevicePolicyManager; |
| 8 | import android.content.ComponentName; |
| 9 | import android.content.Intent; |
| 10 | import android.content.pm.ApplicationInfo; |
| 11 | import android.os.Bundle; |
| 12 | import android.preference.CheckBoxPreference; |
| 13 | import android.preference.EditTextPreference; |
| 14 | import android.preference.Preference; |
| 15 | import android.preference.Preference.OnPreferenceChangeListener; |
| 16 | import android.preference.PreferenceActivity; |
| 17 | import android.util.Log; |
| 18 | import android.widget.Toast; |
| 19 | |
| 20 | /* |
| 21 | * Copyright © 2013 Marius Gavrilescu |
| 22 | * |
| 23 | * This file is part of FonBot. |
| 24 | * |
| 25 | * FonBot is free software: you can redistribute it and/or modify |
| 26 | * it under the terms of the GNU General Public License as published by |
| 27 | * the Free Software Foundation, either version 3 of the License, or |
| 28 | * (at your option) any later version. |
| 29 | * |
| 30 | * FonBot is distributed in the hope that it will be useful, |
| 31 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 32 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 33 | * GNU General Public License for more details. |
| 34 | * |
| 35 | * You should have received a copy of the GNU General Public License |
| 36 | * along with FonBot. If not, see <http://www.gnu.org/licenses/>. |
| 37 | */ |
| 38 | |
| 39 | /** |
| 40 | * Preference activity. Lets the user change app preferences. |
| 41 | * |
| 42 | * @author Marius Gavrilescu <marius@ieval.ro> |
| 43 | */ |
| 44 | public final class FonBotPreferenceActivity extends PreferenceActivity { |
| 45 | /** |
| 46 | * Preference for toggling device admin permissions. |
| 47 | */ |
| 48 | private CheckBoxPreference adminPreference; |
| 49 | |
| 50 | @SuppressWarnings("deprecation") |
| 51 | @Override |
| 52 | protected void onCreate(@Nullable final Bundle icicle) { |
| 53 | super.onCreate(icicle); |
| 54 | setTitle("FonBot Preferences"); |
| 55 | addPreferencesFromResource(R.xml.prefs); |
| 56 | |
| 57 | adminPreference=(CheckBoxPreference) findPreference("admin"); |
| 58 | final DevicePolicyManager dpm=(DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE); |
| 59 | final ComponentName adminReceiver=new ComponentName(this,FonBotAdminReceiver.class); |
| 60 | adminPreference.setChecked(dpm.isAdminActive(adminReceiver)); |
| 61 | |
| 62 | adminPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() { |
| 63 | |
| 64 | @Override |
| 65 | public boolean onPreferenceChange(final @Nullable Preference preference, final @Nullable Object newValue) { |
| 66 | if(newValue==null){ |
| 67 | Log.wtf(FonBotPreferenceActivity.class.getName(), "newValue in OnPreferenceChange is null"); |
| 68 | throw new AssertionError("Log.wtf did not terminate the process"); |
| 69 | } |
| 70 | |
| 71 | final boolean isChecked=((Boolean) newValue).booleanValue(); |
| 72 | if(isChecked){ |
| 73 | if(dpm.isAdminActive(adminReceiver)) |
| 74 | return true; |
| 75 | |
| 76 | final Intent intent=new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN); |
| 77 | intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, adminReceiver); |
| 78 | startActivityForResult(intent, 0); |
| 79 | return false; |
| 80 | } |
| 81 | dpm.removeActiveAdmin(adminReceiver); |
| 82 | return true; |
| 83 | } |
| 84 | }); |
| 85 | |
| 86 | final CheckBoxPreference foregroundPreference=(CheckBoxPreference) findPreference("foreground"); |
| 87 | foregroundPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() { |
| 88 | @Override |
| 89 | public boolean onPreferenceChange(final @Nullable Preference preference, final @Nullable Object newValue) { |
| 90 | startService(new Intent(FonBotPreferenceActivity.this, FonBotMainService.class)); |
| 91 | return true; |
| 92 | } |
| 93 | }); |
| 94 | |
| 95 | final CheckBoxPreference systemPreference=(CheckBoxPreference) findPreference("system"); |
| 96 | final ApplicationInfo info=getApplicationInfo(); |
| 97 | final boolean isSystem=(info.flags&ApplicationInfo.FLAG_SYSTEM)!=0; |
| 98 | systemPreference.setChecked(isSystem); |
| 99 | systemPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() { |
| 100 | @Override |
| 101 | public boolean onPreferenceChange(final @Nullable Preference preference, final @Nullable Object newValue) { |
| 102 | if(newValue==null) |
| 103 | return false; |
| 104 | final boolean isChecked=((Boolean)newValue).booleanValue(); |
| 105 | if(isChecked==isSystem) |
| 106 | return true; |
| 107 | |
| 108 | try { |
| 109 | final String privapp = android.os.Build.VERSION.SDK_INT < 19 ? "app" : "priv-app"; |
| 110 | final String remountCommand="mount -o remount,rw /system"; |
| 111 | final String copyToSystemCommand="cp "+info.sourceDir+" /system/" + privapp + "/FonBot.apk"; |
| 112 | final String chmodSystemCommand="chmod 644 /system/" + privapp + "/FonBot.apk"; |
| 113 | final String rmSystemCommand="rm /system/" + privapp + "/FonBot.apk"; |
| 114 | final String copyToUserCommand="cp "+info.sourceDir+" /data/app/FonBot.apk"; |
| 115 | final String chmodUserCommand="chmod 644 /data/app/FonBot.apk"; |
| 116 | final String rmUserCommand="rm "+info.sourceDir; |
| 117 | |
| 118 | if(isChecked){ |
| 119 | Runtime.getRuntime().exec(new String[]{ |
| 120 | "su", "-c", |
| 121 | remountCommand+';'+copyToSystemCommand+';'+chmodSystemCommand+';'+rmUserCommand |
| 122 | }).waitFor(); |
| 123 | |
| 124 | Toast.makeText(FonBotPreferenceActivity.this, |
| 125 | "Reboot to make FonBot a system application", Toast.LENGTH_LONG).show(); |
| 126 | } else { |
| 127 | Runtime.getRuntime().exec(new String[]{ |
| 128 | "su", "-c", |
| 129 | remountCommand+';'+copyToUserCommand+';'+chmodUserCommand+';'+rmSystemCommand |
| 130 | }).waitFor(); |
| 131 | Toast.makeText(FonBotPreferenceActivity.this, |
| 132 | "Reboot to make FonBot a non-system application", Toast.LENGTH_LONG).show(); |
| 133 | } |
| 134 | } catch (IOException e) { |
| 135 | return false; |
| 136 | } catch (InterruptedException e) { |
| 137 | return false; |
| 138 | } |
| 139 | return true; |
| 140 | } |
| 141 | }); |
| 142 | |
| 143 | final EditTextPreference protocolPreference=(EditTextPreference) findPreference("protocol"); |
| 144 | protocolPreference.setSummary(protocolPreference.getText()); |
| 145 | protocolPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() { |
| 146 | @Override |
| 147 | public boolean onPreferenceChange(final @Nullable Preference preference, final @Nullable Object newValue) { |
| 148 | if(newValue==null) |
| 149 | return false; |
| 150 | |
| 151 | protocolPreference.setSummary(newValue.toString()); |
| 152 | return true; |
| 153 | } |
| 154 | }); |
| 155 | |
| 156 | final EditTextPreference hostnamePreference=(EditTextPreference) findPreference("hostname"); |
| 157 | hostnamePreference.setSummary(hostnamePreference.getText()); |
| 158 | hostnamePreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() { |
| 159 | @Override |
| 160 | public boolean onPreferenceChange(final @Nullable Preference preference, final @Nullable Object newValue) { |
| 161 | if(newValue==null) |
| 162 | return false; |
| 163 | |
| 164 | hostnamePreference.setSummary(newValue.toString()); |
| 165 | return true; |
| 166 | } |
| 167 | }); |
| 168 | |
| 169 | final EditTextPreference portPreference=(EditTextPreference) findPreference("port"); |
| 170 | portPreference.setSummary(portPreference.getText()); |
| 171 | portPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() { |
| 172 | @Override |
| 173 | public boolean onPreferenceChange(final @Nullable Preference preference, final @Nullable Object newValue) { |
| 174 | if(newValue==null) |
| 175 | return false; |
| 176 | |
| 177 | try{ |
| 178 | Integer.parseInt(newValue.toString()); |
| 179 | } catch (NumberFormatException e){ |
| 180 | return false; |
| 181 | } |
| 182 | portPreference.setSummary(newValue.toString()); |
| 183 | return true; |
| 184 | } |
| 185 | }); |
| 186 | } |
| 187 | |
| 188 | @Override |
| 189 | protected void onActivityResult(final int requestCode, final int resultCode, @Nullable final Intent data) { |
| 190 | final DevicePolicyManager dpm=(DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE); |
| 191 | final ComponentName adminReceiver=new ComponentName(this,FonBotAdminReceiver.class); |
| 192 | adminPreference.setChecked(dpm.isAdminActive(adminReceiver)); |
| 193 | } |
| 194 | |
| 195 | } |