摘要： public class MainActivity extends Activity { private EditText pathText; private ImageView imageView; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); pathText = (EditText) this.... 阅读全文

摘要： 内容提供者对外提供共享数据，需要在清单文件中进行配置，必须在应用的包或者子包下。ContentProvider类public class PersonProvider extends ContentProvider //必须继承ContentProvider类{ private DBOpenHelper dbOpenHelper; private static final UriMatcher MATCHER = new UriMatcher(UriMatcher.NO_MATCH); private static final int PERSONS = 1; pr... 阅读全文