drawlayout（二）

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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <Button        android:id="@+id/button1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:gravity="center"        android:text="切换" />    <android.support.v4.widget.DrawerLayout        android:id="@+id/drawerlayout"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:background="@drawable/ic_launcher" >        <LinearLayout            android:id="@+id/lin_center"            android:layout_width="match_parent"            android:layout_height="match_parent"            android:orientation="vertical"             android:background="#1111E7"            >        </LinearLayout>        <LinearLayout            android:id="@+id/lin_left"            android:layout_width="250dp"            android:layout_height="match_parent"            android:orientation="vertical"             android:layout_gravity="start"            android:background="#63F138">        </LinearLayout>        <LinearLayout            android:id="@+id/lin_right"            android:layout_width="250dp"            android:layout_height="match_parent"            android:orientation="vertical"             android:layout_gravity="end"            android:background="#F30F37">        </LinearLayout>    </android.support.v4.widget.DrawerLayout></LinearLayout>

public class MainActivity extends Activity implements OnClickListener {    private DrawerLayout drawerLayout;    private Button button;    private LinearLayout lin_center, lin_left, lin_right;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        Utils_log.d1("myTag", "onCreate1111");        drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);        lin_center = (LinearLayout) findViewById(R.id.lin_center);        lin_left = (LinearLayout) findViewById(R.id.lin_left);        lin_right = (LinearLayout) findViewById(R.id.lin_right);        button = (Button) findViewById(R.id.button1);        button.setOnClickListener(MainActivity.this);        // 监听抽屉的事件        drawerLayout.setDrawerListener(new DrawerListener() {            /**             * 当抽屉的状态发生改变是回调 滑动中：1 滑动结束：2 恢复闲置：0             * */            public void onDrawerStateChanged(int arg0) {            }            /**             * 滑动的百分比：滑动的距离是0-1             * */            public void onDrawerSlide(View arg0, float arg1) {                if (arg0 == lin_left) {// 如果滑动的是左侧的抽屉                    // 将中间的抽屉向右移动                    lin_center.setX(200 * (arg1 * 100.0f) / 100.0f);                    // 创建缩放动画                    float fromX = 1.0f;                    float toX = 1- (arg1*0.4f);                    float fromY = 1.0f;                    ScaleAnimation scaleAnimation = new ScaleAnimation(fromX,                            toX, fromY, toX, Animation.RELATIVE_TO_PARENT, 0f,                            Animation.RELATIVE_TO_PARENT, 0.5f);                    scaleAnimation.setFillAfter(true);                    scaleAnimation.setDuration(2);                    fromX = toX;                    fromY = toX;                    lin_center.startAnimation(scaleAnimation);                }            }            @Override            public void onDrawerOpened(View arg0) {            }            @Override            public void onDrawerClosed(View arg0) {            }        });    }    @Override    public void onClick(View v) {        switch (v.getId()) {        case R.id.button1:            if (drawerLayout.isDrawerOpen(Gravity.LEFT)                    || drawerLayout.isDrawerOpen(Gravity.RIGHT)) {                drawerLayout.closeDrawers();            } else {                drawerLayout.openDrawer(Gravity.LEFT);            }            break;        default:            break;        }    }}

这里写图片描述

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