AboutActivity.java

package info.guardianproject.otr.app.im.ui;

import info.guardianproject.otr.app.im.R;
import info.guardianproject.otr.app.im.app.AccountListActivity;
import info.guardianproject.otr.app.im.app.ThemeableActivity;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class AboutActivity extends ThemeableActivity implements OnClickListener {
   
    private int title[] = { R.string.about_welcome_title, R.string.about_otr_title,
                           R.string.about_security_title };

    private int msg[] = { R.string.about_welcome, R.string.about_otr, R.string.about_security,
                         R.string.setup_passphrase };

    private View.OnClickListener listener[][] = {

    { null, new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            nextContent();
        }
    } },

    { new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            prevContent();
        }
    }, new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            nextContent();
        }
    } },

    { new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            prevContent();
        }
    }, new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            finish();
            Intent intent = new Intent(getBaseContext(), AccountListActivity.class);
            startActivity(intent);
        }
    } },

    };

    private int contentIdx = -1;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    protected void onStart() {
        super.onStart();
        if (contentIdx == -1) {
            setContentView(R.layout.scrollingtext_buttons_view);
            nextContent();
        }
    }

    private void prevContent() {
        contentIdx--;
        showContent(contentIdx);
    }

    private void nextContent() {
        contentIdx++;
        showContent(contentIdx);
    }

    private void showContent(int contentIdx) {

        String buttons[][] = {{ null, getString(R.string.btn_next) },
                              { getString(R.string.btn_back), getString(R.string.btn_next) },
                              { getString(R.string.btn_back), getString(R.string.btn_next) },
                              { getString(R.string.btn_back), getString(R.string.btn_next) }};

        TextView txtTitle = ((TextView) findViewById(R.id.WizardTextTitle));
        txtTitle.setText(getString(title[contentIdx]));

        TextView txtBody = ((TextView) findViewById(R.id.WizardTextBody));
        txtBody.setText(getString(msg[contentIdx]));

        Button btn1 = ((Button) findViewById(R.id.btnWizard1));
        if (buttons[contentIdx][0] != null) {
            btn1.setText(buttons[contentIdx][0]);
            btn1.setOnClickListener(listener[contentIdx][0]);
            btn1.setVisibility(Button.VISIBLE);
        } else {
            btn1.setVisibility(Button.INVISIBLE);
        }

        Button btn2 = ((Button) findViewById(R.id.btnWizard2));
        if (buttons[contentIdx][1] != null) {
            btn2.setText(buttons[contentIdx][1]);
            btn2.setOnClickListener(listener[contentIdx][1]);
            btn2.setVisibility(Button.VISIBLE);

        } else {
            btn2.setVisibility(Button.INVISIBLE);
        }
    }

    @Override
    protected void onResume() {
        super.onResume();
    }

    @Override
    public void onClick(DialogInterface arg0, int arg1) {
    }

}