Android 中的全文搜索示例

Android 中的全文搜索示例

java
dependencies {
    implementation 'androidx.appcompat:appcompat:1.3.1'
    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
    implementation 'androidx.recyclerview:recyclerview:1.2.1'
    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
    implementation 'androidx.room:room-runtime:2.3.0'
    implementation 'androidx.room:room-ktx:2.3.0'
    kapt 'androidx.room:room-compiler:2.3.0'
    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
    implementation 'com.google.android.material:material:1.4.0'
}

xml
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
            android:id="@+id/searchView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
            android:id="@+id/recyclerView"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

java
public class MainActivity extends AppCompatActivity {
    private SearchView searchView;
    private RecyclerView recyclerView;
    private MyAdapter adapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        searchView = findViewById(R.id.searchView);
        recyclerView = findViewById(R.id.recyclerView);
        adapter = new MyAdapter();
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        recyclerView.setAdapter(adapter);
        // 设置搜索框监听器
        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                // 在这里进行搜索操作
                search(query);
                return true;
            }
            @Override
            public boolean onQueryTextChange(String newText) {
                // 在这里进行搜索框输入变化的操作
                search(newText);
                return true;
            }
        });
    }
    private void search(String keyword) {
        // 在这里进行全文搜索操作
        // 可以使用数据库、网络请求等方式获取搜索结果
        List searchResult = new ArrayList<>();
        // 假设搜索结果已经获取到，将其设置给适配器
        adapter.setData(searchResult);
    }
}