11 2019 档案
摘要：public class DbOpenHelper extends SQLiteOpenHelper { private static String name = "test.db"; /* 数据库名称 */ private static int version = 1; /* 数据库版本号 */ public DbOpenHelper(Context context) { ...
阅读全文
摘要：出现问题原因：编译socket.dll时，用到了openssl库。使用libeay32.lib、ssleay32.lib生成socket.dll，就会报这样的错误解决办法：使用libeay32.dll、ssleay32.dll生成socket.dll
阅读全文
摘要：完成共享参数的读写public class SharedPreference { private Context context; public SharedPreference(Context context) { // TODO Auto-generated constructor stub this.context = context; } ...
阅读全文
摘要：出现如下错误：DDMS files not found: xxx\hprof-conv.exeThe connection to adb is down, and a severe error has occuredPlease ensure that adb is correctly located at 'D:\tools\android-sdk\platform-tools\adb.exe'...
阅读全文
摘要：private NotificationManager manager; private Notification.Builder builder; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
阅读全文
摘要：protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button = (Button) findViewById(R.id.button); ...
阅读全文
摘要：private int hourOfDay, minute; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
阅读全文
摘要：private int year; private int monthOfYear; private int dayOfMonth; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setC...
阅读全文
摘要：public class CustomDilaog { private Context context; private Dialog dialog; public CustomDilaog(Context context) { this.context = context; dialog = new Dialog(context); } ...
阅读全文
摘要：protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button = (Button) findViewById(R.id.button); ...
阅读全文
摘要：protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button = (Button) findViewById(R.id.button); ...
阅读全文
摘要：添加一个数组 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button = (Button) findViewB...
阅读全文
摘要：private Button button; private final CharSequence items[] = { "北京", "上海", "广州" }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);...
阅读全文
摘要：private Button button; private final CharSequence[] items = { "北京", "上海", "广州" }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);...
阅读全文
摘要：private Button button; private final CharSequence[] items = { "北京", "上海", "广州" }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);...
阅读全文
摘要：@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button = (B
阅读全文
摘要：@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button = (Button) this.findViewBy...
阅读全文
摘要：public class MainActivity extends Activity { private Button button; private ActionMode actionMode; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(save...
阅读全文
摘要：public class MainActivity extends Activity { private ListView listView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setCon...
阅读全文
摘要：@Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); ...
阅读全文
摘要：@Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present.// getMenuInflater().inflate(R.menu.main, menu); ...
阅读全文
摘要：属性介绍stretchColumns：列被拉伸shrinkColumns：列被收缩collapseColumns：列被隐藏举例测试 ...
阅读全文
摘要：android:layout_above="@+id/main"android:layout_below="@+id/main"android:layout_toLeftOf="@+id/main"android:layout_toRightOf="@+id/main"
阅读全文
摘要：<?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientat
阅读全文
摘要：<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" an
阅读全文
摘要：垂直布局 vertical 水平布局 horizontal
阅读全文
