Android Open Source - android-virtual-layout Main Activity

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License

The source code is released under:

MIT License

Java Source Code

package trikita.anvil.example;
//from   ww w.j a v a 2s  . com
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.SparseArray;
import android.view.View;

import java.util.ArrayDeque;
import java.util.ArrayList;

import static trikita.anvil.Render.*;
import static trikita.anvil.v10.Props.*;

//
// Main actiivty. Acts a placeholder for two content screens (using views instead of
// fragments). Activity manages the backstack of content screen.
//
public class MainActivity extends Activity {

  public final static String tag = "MainActivity";

  private Backstack mBackstack = new Backstack(this, (v) -> {
    setContentView(v);
  });

  @Override
  public void onCreate(Bundle b) {
    super.onCreate(b);
    if (b != null) {
      mBackstack.load(b);
    } else {
      mBackstack.navigate(new StartView(this));
    }
  }

  @Override
  public void onPause() {
    super.onPause();
    Tasks.getInstance().save(this);
    if (Tasks.getInstance().getCurrent() != null &&
        Tasks.getInstance().getCurrent().isRunning()) {
      // Here's a good place to show notification informing that the task is
      // still "ticking" in the background.
    }
  }

  @Override
  public void onResume() {
    super.onPause();
    Tasks.getInstance().load(this);
    Tasks.Task t = Tasks.getInstance().getCurrent();
    // Task may have been finished while the app was paused
    if (t != null && t.isRunning() && t.getRemainder() < 0) {
      t.stop();
    }
  }

  @Override
  public void onSaveInstanceState(Bundle b) {
    mBackstack.save(b);
    super.onSaveInstanceState(b);
  }

  @Override
  public void onBackPressed() {
    if (!mBackstack.back()) {
      finish();
    }
  }

  public Backstack getBackstack() {
    return mBackstack;
  }
}

Java Source Code List

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