实用代码分享,实现点击几回某个控件,显示隐藏功能。代码很简单但却很实用,好比能够实现测试环境和正式环境的切换功能,隐藏提交应用日志等等。java
直接上代码android
Activity数组
public class MainActivity extends AppCompatActivity { //全局属性 private TextView mTitleView; private Spinner mSpinnerView; private int touchCount = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); setListener(); } private void initView(){ mSpinnerView = (Spinner) findViewById(R.id.spinner); mSpinnerView.setVisibility(View.INVISIBLE); mTitleView = (TextView) findViewById(R.id.textViewTitle); } private void setListener(){ mTitleView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { touchCount += 1; if (touchCount == 5) { mSpinnerView.setVisibility(View.VISIBLE); touchCount = 0; } else { Toast.makeText(getApplicationContext(), "Click more " + Integer.toString(5 - touchCount), Toast.LENGTH_SHORT).show(); } } }); } }
代码中设置spinner值,并设置监听事件ide
//赋值 String[] arrayStr= { "111", "222", "333", "444", "555" }; //定义数组 //将可选内容与ArrayAdapter链接, ArrayAdapter adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, arrayStr); mSpinnerView.setAdapter(adapter); //设置监听事件 mSpinnerView.setOnItemSelectedListener(new Spinner.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { String selectEmail = getResources().getStringArray(R.array.select_email)[position]; String usename = userNameArray[position]; mEtEmail.setText(selectEmail); mEtName.setText(usename); } @Override public void onNothingSelected(AdapterView<?> parent) { } });
布局文件布局
<?xml version="1.0" encoding="utf-8"?> <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:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:background="@android:color/darker_gray" tools:context="cc.lielang.filedemo.MainActivity"> <TextView android:id="@+id/textViewTitle" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:layout_marginBottom="0dp" android:text="点我" android:textColor="#FFFFFF" android:textSize="24sp" android:textStyle="bold" /> <Spinner android:id="@+id/spinner" android:layout_width="match_parent" android:layout_height="30dp" android:layout_gravity="center" android:background="#FFFFFF" android:entries="@array/select_url" android:textAlignment="center" /> </LinearLayout>
资源文件测试
<?xml version="1.0" encoding="utf-8"?> <resources> <string-array name="select_url"> <item>1</item> <item>2</item> <item>3</item> <item>4</item> <item>5</item> </string-array> </resources>
overthis