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android activity页面跳转示例(入门级)

java

2020-6-28

package com.example.jiemian;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;


public class MainActivity extends Activity {

	private Button button1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        button1=(Button)this.findViewById(R.id.button1);
        button1.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				Intent intent=new Intent();
				intent.setClass(MainActivity.this,ActivityA.class);
				startActivity(intent);

			}
		});
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

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资源文件列表
░┤╝ⁿ/.classpath , 475
░┤╝ⁿ/.project , 843
░┤╝ⁿ/.settings/org.eclipse.jdt.core.prefs , 177
░┤╝ⁿ/AndroidManifest.xml , 1005
░┤╝ⁿ/bin/AndroidManifest.xml , 1005
░┤╝ⁿ/bin/classes/com/example/jiemian/ActivityA$1.class , 1063
░┤╝ⁿ/bin/classes/com/example/jiemian/ActivityA.class , 1559
░┤╝ⁿ/bin/classes/com/example/jiemian/BuildConfig.class , 347
░┤╝ⁿ/bin/classes/com/example/jiemian/MainActivity$1.class , 1078
░┤╝ⁿ/bin/classes/com/example/jiemian/MainActivity.class , 1574
░┤╝ⁿ/bin/classes/com/example/jiemian/R$attr.class , 343
░┤╝ⁿ/bin/classes/com/example/jiemian/R$dimen.class , 464
░┤╝ⁿ/bin/classes/com/example/jiemian/R$drawable.class , 410
░┤╝ⁿ/bin/classes/com/example/jiemian/R$id.class , 491
░┤╝ⁿ/bin/classes/com/example/jiemian/R$layout.class , 447
░┤╝ⁿ/bin/classes/com/example/jiemian/R$menu.class , 423
░┤╝ⁿ/bin/classes/com/example/jiemian/R$string.class , 698
░┤╝ⁿ/bin/classes/com/example/jiemian/R$style.class , 434
░┤╝ⁿ/bin/classes/com/example/jiemian/R.class , 683
░┤╝ⁿ/bin/classes.dex , 818232
░┤╝ⁿ/bin/dexedLibs/android-support-v4-468639efc90dec83fcb1368586babd85.jar , 273657
░┤╝ⁿ/bin/jarlist.cache , 119
░┤╝ⁿ/bin/res/drawable-hdpi/ic_launcher.png , 5964
░┤╝ⁿ/bin/res/drawable-mdpi/ic_launcher.png , 3112
░┤╝ⁿ/bin/res/drawable-xhdpi/ic_launcher.png , 9355
░┤╝ⁿ/bin/res/drawable-xxhdpi/ic_launcher.png , 17889
░┤╝ⁿ/bin/resources.ap_ , 42541
░┤╝ⁿ/bin/zuoye_2.apk , 321069
░┤╝ⁿ/gen/com/example/jiemian/BuildConfig.java , 161
░┤╝ⁿ/gen/com/example/jiemian/R.java , 3233
░┤╝ⁿ/ic_launcher-web.png , 51394
░┤╝ⁿ/libs/android-support-v4.jar , 758727
░┤╝ⁿ/proguard-project.txt , 781
░┤╝ⁿ/project.properties , 563
░┤╝ⁿ/res/drawable-hdpi/ic_launcher.png , 7658
░┤╝ⁿ/res/drawable-mdpi/ic_launcher.png , 3777
░┤╝ⁿ/res/drawable-xhdpi/ic_launcher.png , 12516
░┤╝ⁿ/res/drawable-xxhdpi/ic_launcher.png , 24777
░┤╝ⁿ/res/layout/activity_activity.xml , 1020
░┤╝ⁿ/res/layout/activity_main.xml , 1018
░┤╝ⁿ/res/menu/activity.xml , 366
░┤╝ⁿ/res/menu/main.xml , 369
░┤╝ⁿ/res/values/dimens.xml , 220
░┤╝ⁿ/res/values/strings.xml , 558
░┤╝ⁿ/res/values/styles.xml , 697
░┤╝ⁿ/res/values-v11/styles.xml , 334
░┤╝ⁿ/res/values-v14/styles.xml , 391
░┤╝ⁿ/res/values-w820dp/dimens.xml , 381
░┤╝ⁿ/src/com/example/jiemian/ActivityA.java , 1472
░┤╝ⁿ/src/com/example/jiemian/MainActivity.java , 1525
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