Android Open Source - SlideMenu Main Activity

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From Project

Back to project page SlideMenu.

License

The source code is released under:

Eclipse Public License - v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECI...

Java Source Code

package ti.gerobakjen.slidemenu;
/* w w w  .j a v  a2s .  co  m*/
import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.TranslateAnimation;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {

  ImageButton menu_button; 
  Button p1, p2, p3, p4;
  TextView paragraph;
  LinearLayout content, menu;
  LinearLayout.LayoutParams contentParams;
  TranslateAnimation slide;
  int marginX, animateFromX, animateToX = 0;
  boolean menuOpen = false;
  String[] paragraphs; 
  
  @SuppressWarnings("deprecation")
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    paragraphs = getResources().getStringArray(R.array.text);
    
    menu = (LinearLayout)findViewById(R.id.menu);
    
    content = (LinearLayout)findViewById(R.id.content);
    contentParams = (LinearLayout.LayoutParams)content.getLayoutParams();
    contentParams.width = getWindowManager().getDefaultDisplay().getWidth();  // Ensures constant width of content during menu sliding
    contentParams.leftMargin = -(menu.getLayoutParams().width);    // Position the content at the start of the screen
    content.setLayoutParams(contentParams);
    
    
    menu_button = (ImageButton)findViewById(R.id.menu_button);
    menu_button.setOnClickListener(this);
    
    paragraph = (TextView)findViewById(R.id.paragraph);
    paragraph.setText(paragraphs[0]);
    
    p1 = (Button)findViewById(R.id.p1);
    p1.setOnClickListener(this);
    
    p2 = (Button)findViewById(R.id.p2);
    p2.setOnClickListener(this);
    
    p3 = (Button)findViewById(R.id.p3);
    p3.setOnClickListener(this);
    
    p4 = (Button)findViewById(R.id.p4);
    p4.setOnClickListener(this);  
  }
  
  public boolean onKeyDown(int keyCode, KeyEvent keyEvent) {
    if(keyCode == KeyEvent.KEYCODE_BACK) {
      if(menuOpen) {
        slideMenuIn(0, -(menu.getLayoutParams().width), -(menu.getLayoutParams().width));   // Pass slide in paramters
        menuOpen = false;
        return true;
      }
    }
    return super.onKeyDown(keyCode, keyEvent);
  }
  
  public void onClick(View v) {
    switch(v.getId()) {
    case R.id.p1:
      paragraph.setText(paragraphs[0]);
      break;
    case R.id.p2:
      paragraph.setText(paragraphs[1]);
      break;
    case R.id.p3:
      paragraph.setText(paragraphs[2]);
      break;
    case R.id.p4:
      paragraph.setText(paragraphs[3]);
      break;
    }
    
    if(contentParams.leftMargin == -(menu.getLayoutParams().width)) {  // Menu is hidden (slide out parameters)
      animateFromX = 0;
      animateToX = (menu.getLayoutParams().width);
      marginX = 0;
      menuOpen = true;
    } else {  // Menu is visible (slide in parameter)
      animateFromX = 0;
      animateToX = -(menu.getLayoutParams().width);
      marginX = -(menu.getLayoutParams().width);
      menuOpen = false;
    }
    slideMenuIn(animateFromX, animateToX, marginX);
  }
    
  public void slideMenuIn(int animateFromX, int animateToX, final int marginX){
    slide = new TranslateAnimation(animateFromX, animateToX, 0, 0);
    slide.setDuration(300);
    slide.setFillEnabled(true);
    slide.setAnimationListener(new AnimationListener() {
      public void onAnimationEnd(Animation animation) {    // Make movement of content permanent after animation has completed 
        contentParams.setMargins(marginX, 0, 0, 0);      // by positioning its left margin
        content.setLayoutParams(contentParams);
      }

      public void onAnimationRepeat(Animation animation) { }
      public void onAnimationStart(Animation animation) { }
    });
    content.startAnimation(slide);    // Slide menu in or out
  }
}

Java Source Code List

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