public class LockAppService extends Service {
private boolean isWatch = true;
private AppLockDB mAppLockDB;
private ArrayList<String> mPackageNames;
private String mSkipPackageName;
private InnerReceiver innerReceiver;
private MyObserver myObserver;
private ActivityManager activityManager;
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
mAppLockDB = AppLockDB.getInstance(this);
mPackageNames = mAppLockDB.queryAll();
//注册广播接收者，来接收可以跳过的packagename(即输入密码后可以进入)
innerReceiver = new InnerReceiver();
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction("android.intent.action.SKIP");
registerReceiver(innerReceiver, intentFilter);
//使用内容观察者监听数据库改变，实时更新被锁的包名列表
myObserver = new MyObserver(new Handler());
getContentResolver().registerContentObserver(Uri.parse("content://applock/change"), false, myObserver);
//获取活动管理者对象
//获取活动管理者对象
activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
watch();
}
class InnerReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
mSkipPackageName = intent.getStringExtra("packagename");
}
}
private void watch() {
new Thread(new Runnable() {
@Override
public void run() {
while (isWatch) {
//获得最近打开的任务栈信息
ActivityManager.RunningTaskInfo taskInfo = activityManager.getRunningTasks(1).get(0);
//获取栈顶的Activity包名。
String packageName = taskInfo.topActivity.getPackageName();
if(!packageName.equals(mSkipPackageName)) {
if (mPackageNames.contains(packageName)) {
Intent intent = new Intent(getApplicationContext(), InterceptActivity.class);
//在服务中开启Activity，要开启新栈,要添加开栈权限
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra("packagename", packageName);
startActivity(intent);
}
}
//每500毫秒运行一次
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}).start();
}
@Override
public void onDestroy() {
if (innerReceiver != null)
unregisterReceiver(innerReceiver);
if (myObserver != null)
getContentResolver().unregisterContentObserver(myObserver);
super.onDestroy();
}
class MyObserver extends ContentObserver {
/**
* Creates a content observer.
*
* @param handler The handler to run {@link #onChange} on, or null if none.
*/
public MyObserver(Handler handler) {
super(handler);
}
//当程序锁包名数据库改变时要重新获取数据库中的数据。
@Override
public void onChange(boolean selfChange) {
new Thread(new Runnable() {
@Override
public void run() {
mPackageNames = mAppLockDB.queryAll();
}
}).start();
super.onChange(selfChange);
}
}
public class InterceptActivity extends AppCompatActivity{
private String mPackageName;
private TextView mTvName;
private ImageView mIvIcon;
private Button mBtn;
private EditText mEdit;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_intercept);
mPackageName = getIntent().getStringExtra("packagename");
initUI();
initData();
}
private void initData() {
try {
PackageManager pm =getPackageManager();
ApplicationInfo mAppInfo = pm.getApplicationInfo(mPackageName,0);
Drawable icon = mAppInfo.loadIcon(pm);
mIvIcon.setBackgroundDrawable(icon);
mTvName.setText(mAppInfo.loadLabel(pm).toString());
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
mBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String edit = mEdit.getText().toString();
if(TextUtils.isEmpty(edit))
{
Toast.makeText(getApplicationContext(),"密码不能为空",Toast.LENGTH_SHORT).show();
}
else
{
if(edit.equals("123"))
{
//发送一个广播通知服务不要拦截该应用,将该包名跳过
Intent intent = new Intent("android.intent.action.SKIP");
intent.putExtra("packagename",mPackageName);
sendBroadcast(intent);
finish();
}
else
{
Toast.makeText(getApplicationContext(),"密码输入错误",Toast.LENGTH_SHORT).show();
}
}
}
});
}
private void initUI() {
mTvName = (TextView) findViewById(R.id.intercept_appname);
mIvIcon = (ImageView) findViewById(R.id.intercept_appicon);
mBtn = (Button) findViewById(R.id.intercept_btn);
mEdit = (EditText) findViewById(R.id.intercept_edit);
}
@Override
public void onBackPressed() {
//返回开启桌面Activity
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
startActivity(intent);
}
}
public class AppLockDB {
private AppLockDBHelper mBNDBH;
private static AppLockDB mBNDB;
private String mDataTable = "applock";
private static Context mContext;
private AppLockDB(Context context) {
mBNDBH = new AppLockDBHelper(context);
mContext=context;
}
public static AppLockDB getInstance(Context context) {
if (mBNDB == null) {
mBNDB = new AppLockDB(context);
}
return mBNDB;
}
public void insert(String packagename) {
SQLiteDatabase sd = mBNDBH.getWritableDatabase();
ContentValues cv = new ContentValues();
cv.put("packagename", packagename);
sd.insert(mDataTable, null, cv);
sd.close();
//通知内容观察者数据库改变了
mContext.getContentResolver().notifyChange(Uri.parse("content://applock/change"),null);
}
public void Delete(String packagename) {
SQLiteDatabase sd = mBNDBH.getWritableDatabase();
int result =sd.delete(mDataTable, "packagename = ?", new String[]{packagename});
sd.close();
//通知内容观察者数据库改变了
mContext.getContentResolver().notifyChange(Uri.parse("content://applock/change"),null);
}
public void deleteAll()
{
SQLiteDatabase sd = mBNDBH.getWritableDatabase();
sd.delete(mDataTable,null,null);
}
public void Update(String phone, String mode) {
SQLiteDatabase sd = mBNDBH.getWritableDatabase();
ContentValues cv = new ContentValues();
cv.put("mode", mode);
sd.update(mDataTable, cv, "phone=?", new String[]{phone});
sd.close();
}
public ArrayList<String> queryAll() {
SQLiteDatabase sd = mBNDBH.getWritableDatabase();
Cursor cursor = sd.query(mDataTable, new String[]{"packagename"}, null, null, null, null, "_id desc");
ArrayList<String> listBean = new ArrayList<String>();
while (cursor.moveToNext()) {
listBean.add(cursor.getString(0));
}
sd.close();
return listBean;
}
}
public class AppLockDBHelper extends SQLiteOpenHelper {
public AppLockDBHelper(Context context) {
super(context, "applock.db", null,1);
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("create table applock (_id integer primary key autoincrement ,packagename varchar(30));");
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
public class AppLockActivity extends AppCompatActivity implements View.OnClickListener{
private Button mLockBtn;
private Button mUnLockBtn;
private LinearLayout mUnLockLL;
private LinearLayout mLockLL;
private TextView mLockTv;
private TextView mUnLockTv;
private ListView mUnLockListView;
private ListView mLockListView;
private Context mContext;
private LinearLayout mParent;
private ArrayList<AppInfoBean> mAppList;
private ArrayList<AppInfoBean> mUnLockList;
private ArrayList<AppInfoBean> mLockList;
private AppLockDB mAppLockDB;
private LockAdapter mLockAdapter;
private LockAdapter mUnLockAdapter;
private Handler mHandler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
mLockAdapter = new LockAdapter(true);
mLockListView.setAdapter(mLockAdapter);
mUnLockAdapter = new LockAdapter(false);
mUnLockListView.setAdapter(mUnLockAdapter);
WaitUtil.closeWait(mParent);
return false;
}
});
private TranslateAnimation mTranslateAnimation;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_applock);
mContext = this;
initUI();
initData();
}
private void initUI() {
mLockBtn = (Button) findViewById(R.id.applock_lockbtn);
mUnLockBtn = (Button) findViewById(R.id.applock_unlockbtn);
mUnLockLL = (LinearLayout) findViewById(R.id.applock_unlockLl);
mLockLL = (LinearLayout) findViewById(R.id.applock_lockLl);
mLockTv = (TextView) findViewById(R.id.applock_tvlock);
mUnLockTv = (TextView) findViewById(R.id.applock_tvunlock);
mUnLockListView = (ListView) findViewById(R.id.applock_unlocklist);
mLockListView = (ListView) findViewById(R.id.applock_locklist);
mParent = (LinearLayout) findViewById(R.id.applock_ll);
mLockBtn.setOnClickListener(this);
mUnLockBtn.setOnClickListener(this);
}
private void initData() {
WaitUtil.showWait(mContext, mParent);
new Thread(new Runnable() {
@Override
public void run() {
mAppList = AppInfoUtil.getAppInfoList(mContext);
mLockList = new ArrayList<AppInfoBean>();
mUnLockList = new ArrayList<AppInfoBean>();
mAppLockDB = AppLockDB.getInstance(mContext);
ArrayList<String> packageNameList = mAppLockDB.queryAll();
for (AppInfoBean bean : mAppList) {
if (packageNameList.contains(bean.packageName)) {
mLockList.add(bean);
} else {
mUnLockList.add(bean);
}
}
mHandler.sendEmptyMessage(0);
}
}).start();
mLockBtn.setBackgroundColor(Color.GRAY);
mUnLockBtn.setBackgroundColor(Color.GREEN);
mLockLL.setVisibility(View.GONE);
mUnLockLL.setVisibility(View.VISIBLE);
initTranslateAnimation();
}
@Override
public void onClick(View v) {
switch (v.getId())
{
case R.id.applock_unlockbtn:
mLockLL.setVisibility(View.GONE);
mUnLockLL.setVisibility(View.VISIBLE);
mLockBtn.setBackgroundColor(Color.GRAY);
mUnLockBtn.setBackgroundColor(Color.GREEN);
break;
case R.id.applock_lockbtn:
mUnLockLL.setVisibility(View.GONE);
mLockLL.setVisibility(View.VISIBLE);
mUnLockBtn.setBackgroundColor(Color.GRAY);
mLockBtn.setBackgroundColor(Color.GREEN);
break;
}
}
private void initTranslateAnimation()
{
mTranslateAnimation = new TranslateAnimation(
Animation.RELATIVE_TO_SELF,0,Animation.RELATIVE_TO_SELF,1,Animation.RELATIVE_TO_SELF,0,
Animation.RELATIVE_TO_SELF,0
);
mTranslateAnimation.setDuration(500);
}
class LockAdapter extends BaseAdapter{
private boolean mIsLock;
public LockAdapter(boolean isLock) {
mIsLock = isLock;
}
@Override
public int getCount() {
if (mIsLock) {
mLockTv.setText("加锁应用总数:"+mLockList.size());
return mLockList.size();
}
else {
mUnLockTv.setText("未加锁应用总数:"+mUnLockList.size());
return mUnLockList.size();
}
}
@Override
public Object getItem(int position) {
if (mIsLock)
return mLockList.get(position);
else
return mUnLockList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder = null;
if (convertView == null) {
viewHolder = new ViewHolder();
convertView = View.inflate(mContext, R.layout.locklist_item, null);
viewHolder.tv_name = (TextView) convertView.findViewById(R.id.lock_tv);
viewHolder.iv_lock = (ImageView) convertView.findViewById(R.id.lock_ivlock);
viewHolder.iv_name = (ImageView) convertView.findViewById(R.id.lock_ivapp);
convertView.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) convertView.getTag();
}
final AppInfoBean appInfoBean = (AppInfoBean) getItem(position);
viewHolder.tv_name.setText(appInfoBean.name);
if (mIsLock)
viewHolder.iv_lock.setBackgroundResource(R.mipmap.lock);
else
viewHolder.iv_lock.setBackgroundResource(R.mipmap.unlock);
viewHolder.iv_name.setBackgroundDrawable(appInfoBean.icon);
final View animationView = convertView;
viewHolder.iv_lock.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mTranslateAnimation.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
if(mIsLock)
{
mLockList.remove(appInfoBean);
mUnLockList.add(appInfoBean);
mAppLockDB.Delete(appInfoBean.packageName);
mLockAdapter.notifyDataSetChanged();
}
else
{
mLockList.add(appInfoBean);
mUnLockList.remove(appInfoBean);
mAppLockDB.insert(appInfoBean.packageName);
mUnLockAdapter.notifyDataSetChanged();
}
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
animationView.startAnimation(mTranslateAnimation);
}
});
return convertView;
}
<!--拦截Activity单独占一个栈,exclude为false不显示图标-->
<activity android:name=".activity.InterceptActivity" android:launchMode="singleInstance"
android:excludeFromRecents="true">
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