Android 中的介面回撥
阿新 • • 發佈:2019-02-17
方式和上面介紹的一樣,感興趣的朋友可以自己去實現其他效果的。import android.app.Dialog; import android.content.Context; import android.os.Bundle; import android.text.TextPaint; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.TextView; import com.fanfou.app.opensource.R; /** * * */ public class AlertInfoDialog extends Dialog implements View.OnClickListener { //建立介面 public static interface OnOKClickListener { public void onOKClick(); } private final Context mContext; private TextView mTitleView; private TextView mTextView; private Button mButtonOk; private CharSequence mTitle; private CharSequence mText; //生命介面物件 private OnOKClickListener mClickListener; public AlertInfoDialog(final Context context, final String title, final String text) { super(context, R.style.Dialog); this.mContext = context; this.mTitle = title; this.mText = text; } private void init() { setContentView(R.layout.dialog_alert); this.mTitleView = (TextView) findViewById(R.id.title); final TextPaint tp = this.mTitleView.getPaint(); tp.setFakeBoldText(true); this.mTitleView.setText(this.mTitle); this.mTextView = (TextView) findViewById(R.id.text); this.mTextView.setText(this.mText); this.mButtonOk = (Button) findViewById(R.id.button_ok); this.mButtonOk.setOnClickListener(this); } @Override public void onClick(final View v) { final int id = v.getId(); switch (id) { case R.id.button_ok: cancel();//呼叫 if (this.mClickListener != null) { this.mClickListener.onOKClick(); } break; default: break; } } @Override protected void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); setBlurEffect(); init(); } protected void setBlurEffect() { final Window window = getWindow(); final WindowManager.LayoutParams lp = window.getAttributes(); // lp.alpha=0.8f; lp.dimAmount = 0.6f; window.setAttributes(lp); window.addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); // window.addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND); } public void setMessage(final CharSequence message) { this.mText = message; this.mTextView.setText(this.mText); } public void setMessage(final int resId) { this.mText = this.mContext.getResources().getText(resId); this.mTextView.setText(this.mText); } //設定監聽器 也就是例項化介面 public void setOnClickListener(final OnOKClickListener clickListener) { this.mClickListener = clickListener; } @Override public void setTitle(final CharSequence title) { this.mTitle = title; this.mTitleView.setText(this.mTitle); } @Override public void setTitle(final int resId) { this.mTitle = this.mContext.getResources().getText(resId); this.mTitleView.setText(this.mTitle); } }