Android Open Source - android.app.FlashLight Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.gss.flashlight;
//from ww w .  j  ava  2s . co  m
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.hardware.Camera;
import android.os.Bundle;
import android.app.Activity;
import android.content.Context;
import android.util.DisplayMetrics;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.AbsoluteLayout;
import android.widget.Button;
import android.widget.ImageView;

public class MainActivity extends Activity implements OnClickListener {
  private utils mUtils = utils.GetInstance();
  private Drawable mBtnDrawable_on;
  private Drawable mBtnDrawable_off;
  private Paint mPaint;
  private FlashLightView mFlashLightView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    mFlashLightView = (FlashLightView)findViewById(R.id.flashlightview);
    
    DisplayMetrics dm = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);
     int width = dm.widthPixels;
     int height = dm.heightPixels;
     
     // ???????,????button ???
    AbsoluteLayout layout = new AbsoluteLayout(this);
    AbsoluteLayout.LayoutParams params = new AbsoluteLayout.LayoutParams(
        AbsoluteLayout.LayoutParams.WRAP_CONTENT,
        AbsoluteLayout.LayoutParams.WRAP_CONTENT, 
        width*4/9 - width/35, height*7/11);
    
    Button btn = new Button(this);
    btn.setOnClickListener(this);
    
    mBtnDrawable_on = getResources().getDrawable(R.drawable.btn_led_on);
    mBtnDrawable_off = getResources().getDrawable(R.drawable.btn_led_off);
    btn.setBackground(mUtils.FlashLight_getStatus()?mBtnDrawable_on:mBtnDrawable_off);
    layout.addView(btn, params);
    this.addContentView(layout, new AbsoluteLayout.LayoutParams(width, height, 0, 0));
    btn.setBackground(mUtils.FlashLight_getStatus()?mBtnDrawable_on:mBtnDrawable_off);
  }

  @Override
  public void onClick(View v) {
    mUtils.FlashLight_opt(!mUtils.FlashLight_getStatus());
    v.setBackground(mUtils.FlashLight_getStatus()?mBtnDrawable_on:mBtnDrawable_off);
    mFlashLightView.invalidate();
  }
}

Java Source Code List

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