githubソースコード
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
xmlns:tools="http://schemas.android.com/tools" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" | |
tools:context=".MainActivity" > | |
<TextView | |
android:id="@+id/textView0" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:layout_centerHorizontal="true" | |
android:layout_centerVertical="true" | |
android:text="@string/hello_world" /> | |
<Button | |
android:id="@+id/button0" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:text="stop" | |
android:layout_gravity="center"> | |
</Button> | |
</RelativeLayout> |
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package com.example.andrunnable2; | |
import android.os.Bundle; | |
import android.os.Handler; | |
import android.os.Message; | |
import android.app.Activity; | |
import android.view.View; | |
import android.view.View.OnClickListener; | |
import android.widget.Button; | |
import android.widget.TextView; | |
public class MainActivity extends Activity implements OnClickListener,Runnable{ | |
private int counter = 0; | |
private boolean end_flg = true; | |
private Button button0; | |
public void run() { | |
while(! end_flg){ | |
try { | |
Thread.sleep(3000); | |
} catch (InterruptedException e) {} | |
counter += 1; | |
handler.sendEmptyMessage(0); | |
} | |
} | |
private Handler handler = new Handler() { | |
public void handleMessage(Message msg) { | |
TextView textView = (TextView) findViewById(R.id.textView0); | |
textView.setText("counter="+counter); | |
} | |
}; | |
@Override | |
public void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_main); | |
end_flg = false; | |
button0=(Button)findViewById(R.id.button0); | |
button0.setOnClickListener(this); | |
Thread thread = new Thread(this); | |
thread.start(); | |
} | |
public void onClick(View v){ | |
end_flg=true; | |
//finish(); | |
} | |
} |
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