android 仿写 screen lock

程序参考com.android.settings：

程序中使用：import com.android.internal.widget.LockPatternUtils;

import com.android.internal.widget.LockPatternView;

import com.android.internal.widget.LockPatternView.Cell;

这三个类属于隐藏类，程序需要在源码中build。（该程序需系统权限）

package com.wistron.screen.lock;import java.util.ArrayList;import java.util.Arrays;import java.util.Collections;import java.util.List;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.os.Vibrator;import android.R.integer;import android.app.Activity;import android.app.admin.DevicePolicyManager;import android.content.DialogInterface;import android.util.Log;import android.view.Gravity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemSelectedListener;import android.widget.BaseAdapter;import android.widget.Button;import android.widget.Spinner;import android.widget.TextView;import android.widget.Toast;import com.android.internal.widget.LockPatternUtils;import com.android.internal.widget.LockPatternView;import com.android.internal.widget.LockPatternView.Cell;import com.wistron.screen.lock.CustomPattern.OnChangePointListenter;public class ScreenLock extends Activity implements OnClickListener, OnChangePointListenter, OnItemSelectedListener {private final int SCREEN_LOCK_NONE = 0;private final int SCREEN_LOCK_SLIDE = 1;private final int SCREEN_LOCK_PATTERN = 2;private final int SCREEN_LOCK_PIN = 3;private final int SCREEN_LOCK_PASSWORD = 4;private DevicePolicyManager mDevicePolicyManager;private LockPatternUtils mLockPatternUtils;private Spinner mScreenModeSpinner;private Button mUpdateButton;private CustomPattern mCustomPattern;private int mQuilty;private boolean mMode;private int mSelectID = -1;protected List<LockPatternView.Cell> mChosenPattern = null;private int mRequestedQuality = DevicePolicyManager.PASSWORD_QUALITY_NUMERIC;private ArrayList<PatternPoint> mPatternPointsList = new ArrayList<ScreenLock.PatternPoint>();private Vibrator mVibrator;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_screen_lock);findView();mDevicePolicyManager = (DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE);mLockPatternUtils = new LockPatternUtils(ScreenLock.this);mVibrator = (Vibrator)getSystemService(VIBRATOR_SERVICE);mChosenPattern = new ArrayList<LockPatternView.Cell>();//mChosenPattern.add(LockPatternView.Cell.of(0, 0));//mChosenPattern.add(LockPatternView.Cell.of(0, 1));//mChosenPattern.add(LockPatternView.Cell.of(1, 1));//mChosenPattern.add(LockPatternView.Cell.of(2, 1));}public void findView() {mScreenModeSpinner = (Spinner) findViewById(R.id.select_mode);mUpdateButton = (Button) findViewById(R.id.update);String[] mode = getResources().getStringArray(R.array.screen_lock_mode);List<String> mModeList = new ArrayList<String>();mModeList = Arrays.asList(mode);SpinnerTest mSpinnerTest = new SpinnerTest(mModeList);mScreenModeSpinner.setAdapter(mSpinnerTest);mScreenModeSpinner.setOnItemSelectedListener(this);mCustomPattern = (CustomPattern)findViewById(R.id.pattern_view);mCustomPattern.SetOnChangePointListener(this);mCustomPattern.setVisibility(View.GONE);mUpdateButton.setOnClickListener(this);}private void updateUnlockMethodAndFinish(int quality, boolean disabled) {// TODO Auto-generated method stubint minQuality = mDevicePolicyManager.getPasswordQuality(null);if (quality < minQuality) {quality = minQuality;}quality = upgradeQualityForEncryption(quality);if (quality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC) {mRequestedQuality = Math.max(quality, mLockPatternUtils.getRequestedPasswordQuality());mLockPatternUtils.clearLock(true);mLockPatternUtils.saveLockPassword("123456", mRequestedQuality);} else if (quality == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) {mLockPatternUtils.clearLock(true);mLockPatternUtils.setLockScreenDisabled(disabled);} else if (quality == DevicePolicyManager.PASSWORD_QUALITY_SOMETHING) {saveChosenPatternAndFinish();}}private int upgradeQualityForEncryption(int quality) {int encryptionStatus = mDevicePolicyManager.getStorageEncryptionStatus();boolean encrypted = (encryptionStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE)|| (encryptionStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING);if (encrypted) {if (quality < DevicePolicyManager.PASSWORD_QUALITY_NUMERIC) {quality = DevicePolicyManager.PASSWORD_QUALITY_NUMERIC;}}return quality;}public class SpinnerTest extends BaseAdapter {private List<String> mList;public SpinnerTest(List<String> list) {mList = list;}@Overridepublic int getCount() {// TODO Auto-generated method stubreturn mList.size();}@Overridepublic Object getItem(int position) {// TODO Auto-generated method stubreturn mList.get(position);}@Overridepublic long getItemId(int position) {// TODO Auto-generated method stubreturn position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {// TODO Auto-generated method stubTextView mView = new TextView(ScreenLock.this);mView.setText(mList.get(position));mView.setTextSize(25);mView.setGravity(Gravity.CENTER);return mView;}}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.screen_lock, menu);return true;}@Overridepublic void onClick(View v) {// TODO Auto-generated method stubif (v == mUpdateButton) {getScreenLockMode();updateUnlockMethodAndFinish(mQuilty, mMode);if(mSelectID == SCREEN_LOCK_PATTERN){mCustomPattern.ClearTrack();mCustomPattern.RetryTrack();}}}public void getScreenLockMode() {int id = -1;id = (int) mScreenModeSpinner.getSelectedItemId();mSelectID = id;Log.i("Flag", "id= " + id);switch (id) {case SCREEN_LOCK_NONE:mQuilty = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;mMode = true;break;case SCREEN_LOCK_SLIDE:mQuilty = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;mMode = false;break;case SCREEN_LOCK_PATTERN:mQuilty = DevicePolicyManager.PASSWORD_QUALITY_SOMETHING;mMode = false;break;case SCREEN_LOCK_PIN:mQuilty = DevicePolicyManager.PASSWORD_QUALITY_NUMERIC;mMode = false;break;case SCREEN_LOCK_PASSWORD:mQuilty = DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC;mMode = false;break;}}private void saveChosenPatternAndFinish() {LockPatternUtils utils = mLockPatternUtils;final boolean lockVirgin = !utils.isPatternEverChosen();Log.i("Flag", "lockVirgin= " + lockVirgin);utils.saveLockPattern(mChosenPattern);utils.setLockPatternEnabled(true);if (lockVirgin) {// utils.setVisiblePatternEnabled(true);// utils.setTactileFeedbackEnabled(false);}}@Overridepublic void isVibration(int x, int y) {// TODO Auto-generated method stubPatternPoint mPatternPoint = new PatternPoint();mPatternPoint.mXValue = x;mPatternPoint.mYValue = y;mPatternPointsList.add(mPatternPoint);mHandler.sendEmptyMessage(0);}@Overridepublic void isDone() {// TODO Auto-generated method stubmHandler.sendEmptyMessage(2);}@Overridepublic void isTouchDown() {// TODO Auto-generated method stubmHandler.sendEmptyMessage(1);}public Handler mHandler = new Handler(){@Overridepublic void handleMessage(Message msg) {// TODO Auto-generated method stubsuper.handleMessage(msg);if(msg.what == 0){mVibrator.vibrate(50);}else if(msg.what == 1){mUpdateButton.setEnabled(false);}else if(msg.what == 2){mUpdateButton.setEnabled(true);if(mPatternPointsList.size() < 4){Toast.makeText(ScreenLock.this, getString(R.string.pattern_point_less),Toast.LENGTH_LONG).show();}else {for(int i = 0 ; i < mPatternPointsList.size() ; i ++){mChosenPattern.add(LockPatternView.Cell.of(mPatternPointsList.get(i).mXValue, mPatternPointsList.get(i).mYValue));}}}}};public class PatternPoint{int mXValue;int mYValue;}@Overridepublic void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {// TODO Auto-generated method stubif(arg2 == SCREEN_LOCK_PATTERN){mCustomPattern.setVisibility(View.VISIBLE);}else {mCustomPattern.setVisibility(View.GONE);}}@Overridepublic void onNothingSelected(AdapterView<?> arg0) {// TODO Auto-generated method stub}}

自定义Pattern:

package com.wistron.screen.lock;import java.util.ArrayList;import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Paint.Style;import android.os.Handler;import android.os.Message;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.View;public class CustomPattern extends View {private Paint mPaint, mSizePaint, mLinePaint;private int mScreenWidth;private int mScreenHeight;private float mXActionDown, mYActionDown;private int mCircleRadiu = 25;private int mSide = 20 + mCircleRadiu;private boolean isFirstPoint = false;private float mOldPointX, mOldPointY;private ArrayList<CirclePoint> mCirclePointsList = new ArrayList<CustomPattern.CirclePoint>();private boolean isActionUp = false;private boolean isClear = true;public CustomPattern(Context context) {super(context);// TODO Auto-generated constructor stubinit(context);}public CustomPattern(Context context, AttributeSet attrs) {super(context, attrs);// TODO Auto-generated constructor stubinit(context);}public CustomPattern(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);// TODO Auto-generated constructor stubinit(context);}public void init(Context context) {mPaint = new Paint();mPaint.setColor(Color.WHITE);mPaint.setStyle(Style.STROKE);mSizePaint = new Paint();mSizePaint.setColor(Color.GREEN);mSizePaint.setStyle(Style.STROKE);mLinePaint = new Paint();mLinePaint.setColor(Color.GRAY);invalidate();}@Overrideprotected void onDraw(Canvas canvas) {// TODO Auto-generated method stubsuper.onDraw(canvas);mScreenWidth = getWidth();mScreenHeight = getHeight();canvas.drawColor(Color.BLACK);for (int j = 0; j < 3; j++) {for (int i = 0; i < 3; i++) {canvas.drawCircle(mSide + i * mScreenWidth / 3, mSide + j * mScreenHeight / 3, 5, mPaint);}}for (int j = 0; j < 3; j++) {for (int i = 0; i < 3; i++) {float distance = Distance(mSide + i * mScreenWidth / 3, mSide + j * mScreenHeight / 3, mXActionDown, mYActionDown);if (distance < mCircleRadiu) {float mTempX = mSide + i * mScreenWidth / 3;float mTempY = mSide + j * mScreenHeight / 3;boolean isHave = false;for (int k = 0; k < mCirclePointsList.size(); k++) {if (mCirclePointsList.get(k).x == mTempX) {if (mCirclePointsList.get(k).y == mTempY) {isHave = true;}}}if (!isHave && isClear) {mOldPointX = mTempX;mOldPointY = mTempY;CirclePoint mCirclePoint = new CirclePoint();mCirclePoint.x = mOldPointX;mCirclePoint.y = mOldPointY;mCirclePointsList.add(mCirclePoint);isFirstPoint = true;Message message = new Message();message.what = 0;message.arg1 = j;message.arg2 = i;handler.sendMessage(message);}}}}for (int i = 0; i < mCirclePointsList.size(); i++) {canvas.drawCircle(mCirclePointsList.get(i).x, mCirclePointsList.get(i).y, mCircleRadiu, mSizePaint);}if (mCirclePointsList.size() >= 2) {for (int i = 0; i < mCirclePointsList.size() - 1; i++) {canvas.drawLine(mCirclePointsList.get(i).x, mCirclePointsList.get(i).y, mCirclePointsList.get(i + 1).x,mCirclePointsList.get(i + 1).y, mLinePaint);}}if (isFirstPoint && !isActionUp) {canvas.drawLine(mOldPointX, mOldPointY, mXActionDown, mYActionDown, mLinePaint);}}public float Distance(float x0, float y0, float x1, float y1) {return (float) Math.sqrt(((x1 - x0) * (x1 - x0)) + ((y1 - y0) * (y1 - y0)));}public void RetryTrack(){isClear = true;}public void ClearTrack(){isClear = false;mCirclePointsList.clear();invalidate();}@Overridepublic boolean onTouchEvent(MotionEvent event) {// TODO Auto-generated method stubaddTouchEvent(event);return true;}public void addTouchEvent(MotionEvent event) {mXActionDown = event.getX();mYActionDown = event.getY();postInvalidate();if (event.getAction() == MotionEvent.ACTION_UP) {isActionUp = true;handler.sendEmptyMessage(1);}if (event.getAction() == MotionEvent.ACTION_DOWN) {handler.sendEmptyMessage(2);mCirclePointsList.clear();}}public class CirclePoint {float x;float y;}public OnChangePointListenter mChangePointListenter;public void SetOnChangePointListener(OnChangePointListenter listenter) {this.mChangePointListenter = listenter;}private Handler handler = new Handler() {@Overridepublic void handleMessage(Message msg) {// TODO Auto-generated method stubsuper.handleMessage(msg);if (msg.what == 0) {mChangePointListenter.isVibration(msg.arg1, msg.arg2);} else if (msg.what == 1) {mChangePointListenter.isDone();} else if (msg.what == 2) {mChangePointListenter.isTouchDown();}}};public abstract interface OnChangePointListenter {public abstract void isVibration(int x, int y);public abstract void isDone();public abstract void isTouchDown();}}

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