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Android/自作画像view

提供: 初心者エンジニアの簡易メモ
移動: 案内検索
  • src/MyImageViewTestActivity.java
public class MyImageViewTestActivity extends Activity {
 @Override
 public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.imagelist_layout);
 }
}
  • src/MyImageView.java
public class MyImageView extends ImageView implements View.OnClickListener {
 private Context mContext;
 public MyImageView(Context context) {
   super(context);
   mContext = context;
   setOnClickListener(this);
 }
 public MyImageView(Context context, AttributeSet attrs) {
   super(context, attrs);
   mContext = context;
   setOnClickListener(this);
 }
 @Override
 public void onClick(View v) {
   Toast.makeText(mContext, "onclick", Toast.LENGTH_LONG).show();
 }
}
  • res/imagelist_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:orientation="vertical" >
 <com.example.androidhelloworld.MyImageView
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:src="@drawable/ic_launcher"
     />
 <com.example.androidhelloworld.MyImageView
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:src="@drawable/ic_launcher"
     />
</LinearLayout>

InflateException

android.view.InflateException: Binary XML file

なエラーが出るときはタグが絶対パスでない可能性がある。

<MyImageView

↓に変更してみる

<com.example.androidhelloworld.MyImageView