Android Open Source - android_tutorial_projects Overview Activity

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License

The source code is released under:

Copyright (c) 2013, Uthcode All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redi...

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Java Source Code

package com.uthcode.overview;
/* ww w.  java 2 s. com*/
import android.app.Activity;
import android.os.Bundle;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

public class OverviewActivity extends Activity {

    protected Object mActionMode;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        // define the contextual action mode
        View view = findViewById(R.id.myView);
        view.setOnLongClickListener( new View.OnLongClickListener() {
            public boolean onLongClick(View view) {
                if (mActionMode != null) {
                    return false;
                }
                mActionMode = OverviewActivity.this.startActionMode(mActionModeCallback);
                view.setSelected(true);
                return true;
            }
        });
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.overview, 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.
        Toast.makeText(this, "Just a test.", Toast.LENGTH_SHORT).show();
        return true;
    }

    private ActionMode.Callback mActionModeCallback = new ActionMode.Callback() {
        public boolean onCreateActionMode(ActionMode mode, Menu menu) {
            MenuInflater inflater = mode.getMenuInflater();
            if (inflater != null) {
                inflater.inflate(R.menu.contextual, menu);
            }
            return true;
        }

        public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
            return false;
        }

        public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
            switch (item.getItemId()) {
                case R.id.toast:
                    Toast.makeText(OverviewActivity.this, "Selected menu", Toast.LENGTH_SHORT).show();
                    mode.finish();
                    return true;
                default:
                    return false;
            }
        }

        public void onDestroyActionMode(ActionMode actionMode) {
            mActionMode = null;
        }
    };
}

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