第二阶段--最终作业

设置圆角的有点击事件的资源的background…

<selector xmlns:android="http://schemas.android.com/apk/res/android">    <item android:state_pressed="true">        <shape>             //圆角            <corners android:radius="8dp"></corners>            //填充            <solid android:color="#aae7bfa0"></solid>            //外边框            <stroke android:width="1dp" android:color="#f56b09"></stroke>        </shape>    </item>    <item>        <shape>            <corners android:radius="8dp"></corners>            <solid android:color="#AA444444"></solid>            <stroke android:width="1dp" android:color="#b6b1b1"></stroke>        </shape>    </item></selector>

Toolbar的使用…
xml

<android.support.v7.widget.Toolbar    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    android:id="@+id/id_toolbar"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:background="#000000"    app:navigationIcon="@drawable/back"    app:titleTextColor="#ffffff" />

class

protected void setUpToolbar() {        Toolbar toolbar = (Toolbar) findViewById(R.id.id_toolbar);        //必要        setSupportActionBar(toolbar);        toolbar.setNavigationOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                onBackPressed();            }        });    }