文章分类 - Android
摘要：新建广播接收器 右击包名->New->Other->Broadcast Receiver 编写接收器逻辑代码 package com.example.demoapplication; import android.content.BroadcastReceiver; import android.c
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摘要：新建广播接收器 public class MyBroadcastReceiver extends BroadcastReceiver { private final String TAG = "MyBroadcastReceiver"; @Override public void onReceive
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摘要：新建广播接收器（在动态监听基础上加的） 修改广播接收器代码 public class BootCompleteReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent in
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摘要：在MainActivity中动态注册/取消广播 public class MainActivity extends AppCompatActivity { /** * 意图过滤器，当我们隐式的启动系统组件的时候，就会根据IntentFilter来筛选出合适的进行启动 */ private Inten
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摘要：注意该方法在MainActivity中 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activit
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摘要：优化前 public class FruitAdapter extends ArrayAdapter<Fruit> { private final int resourceId; @NonNull @Override @SuppressLint("ViewHolder") public View g
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摘要：新建fruit实体类 public class Fruit { private String name; private int imageId; public Fruit(String name, int imageId) { this.name = name; this.imageId = im
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摘要：在activity_main.xml中添加ListView控件 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:
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摘要：创建Android项目 创建自定义控件布局文件 在res/layout目录下新建title.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/r
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