Android之省市区三级联动

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:su="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity"
android:orientation="vertical"
>

<TextView
android:id="@+id/tv_name"
android:layout_width="match_parent"
android:layout_height="56dp"
android:gravity="center"
android:textColor="#FF0000"
android:textSize="22sp"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="选择地址"
/>
<com.city.linkage.CityPickerView
android:id="@+id/citypicker"
android:layout_width="fill_parent"
android:layout_height="156dp"
android:layout_gravity="center"
android:gravity="center"></com.city.linkage.CityPickerView>
<Button
android:id="@+id/btn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="确定"
/>

</LinearLayout>

public class MainActivity extends AppCompatActivity {

private CityPickerView cityPicker;
private TextView tv;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
cityPicker = (CityPickerView) findViewById(R.id.citypicker);
tv=(TextView)findViewById(R.id.tv_name);
findViewById(R.id.btn).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
tv.setText(cityPicker.getCity_string());
}
});
}
}

由于代码太多，完整代码未给出，源码直接下载即可

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