今天学习了android studio中的开关按钮。
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_pressed="true" android:drawable="@drawable/switch_btn_pressed"/> <item android:state_pressed="false" android:drawable="@drawable/switch_btn_normal"/> </selector>
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_checked="true" android:drawable="@drawable/switch_btn_bg_green"/> <item android:state_checked="false" android:drawable="@drawable/switch_btn_bg_white"/> </selector>
<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" tools:context=".MainActivity"> <ToggleButton android:id="@+id/tbtn_open" android:layout_width="wrap_content" android:layout_height="wrap_content" android:checked="true" android:textOff="关闭声音" android:textOn="打开声音" /> <Switch android:id="@+id/swh_status" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textOff="" android:textOn="" android:thumb="@drawable/thumb_selctor" android:track="@drawable/track_selctor" /> </LinearLayout>
public class MainActivity extends AppCompatActivity implements CompoundButton.OnCheckedChangeListener{ private ToggleButton tbtn_open; private Switch swh_status; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tbtn_open = (ToggleButton) findViewById(R.id.tbtn_open); swh_status = (Switch) findViewById(R.id.swh_status); tbtn_open.setOnCheckedChangeListener(this); swh_status.setOnCheckedChangeListener(this); } @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { switch (compoundButton.getId()){ case R.id.tbtn_open: if(compoundButton.isChecked()) Toast.makeText(this,"打开声音",Toast.LENGTH_SHORT).show(); else Toast.makeText(this,"打开声音",Toast.LENGTH_SHORT).show(); break; case R.id.swh_status: if(compoundButton.isChecked()) Toast.makeText(this,"开关:ON",Toast.LENGTH_SHORT).show(); else Toast.makeText(this,"开关:OFF",Toast.LENGTH_SHORT).show(); break; } } }