Android实现类似支付宝客户端手势密码锁功能：Android-Lock9View
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Usage

Gradle

compile 'com.takwolf.android:lock9view:0.0.2'

Layout

<com.takwolf.android.lock9.Lock9View      android:id="@+id/lock_9_view"      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:layout_gravity="center"      app:nodeSrc="@drawable/lock_9_view_node_normal"      app:nodeOnSrc="@drawable/lock_9_view_node_highlighted"      app:lineColor="#ff006699"      app:lineWidth="8dp" />

Activity

Lock9View lock9View = (Lock9View) findViewById(R.id.lock_9_view);  lock9View.setCallBack(new CallBack() {      @Override      public void onFinish(String password) {          Toast.makeText(MainActivity.this, password, Toast.LENGTH_SHORT).show();      }  });

项目主页：http://www.open-open.com/lib/view/home/1428463070776